Graco 308441ZAG, Husky 1590 AODD Pumps, Metal Instructions

Graco 308441ZAG, Husky 1590 AODD Pumps, Metal Instructions

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Graco 308441ZAG, Husky 1590 AODD Pumps, Metal Instructions | Manualzz
Instructions – Parts List
ALUMINUM AND STAINLESS STEEL
Huskyt 1590 Air-Operated
Diaphragm Pumps
308441ZAG
EN
1.5–inch AODD pump for fluid transfer applications.
For professional use only.
See Models on page 2 for a list of pump models and descriptions.
120 psi (0.8 MPa, 8 bar) Maximum Fluid Working Pressure
120 psi (0.8 MPa, 8 bar) Maximum Air Input Pressure
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
Model No. DB3777 shown
03263B
Table of Contents
Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Safety Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Service
Repairing the Air Valve . . . . . . . . . . . . . . . . . . . . . . 14
Ball Check Valve Repair . . . . . . . . . . . . . . . . . . . . . 16
Diaphragm Repair . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Bearing and Air Gasket Removal . . . . . . . . . . . . . 20
Pump Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair Kit Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Warranties . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Models
Model No.
Description
*DB3______
Aluminum Pumps
*DC3______
Aluminum Pumps, Remote
*DB4______
Stainless Steel Pumps
*DC4______
Stainless Steel Pumps, Remote
*DBC______
Aluminum BSPT Pumps
*DCC______
Aluminum BSPT Pumps, Remote
*DBD______
Stainless Steel BSPT Pumps
*DCD______
Stainless Steel BSPT Pumps, Remote
*DT4______
Stainless Steel Plus Pumps
*DU4______
Stainless Steel Plus Pumps, Remote
*DTD______
Stainless Steel BSPT Plus Pumps
*DUD______
Stainless Steel BSPT Plus Pumps, Remote
253485
Aluminum Pump
232502
Private–Label Aluminum Pump
24B780
Stainless Steel Plus Pump with overmolded diaphragms
24B781
Stainless Steel Pump with overmolded diaphragms
24G411
Aluminum BSPT Pump with overmolded diaphragms
24J358
Aluminum Pump with overmolded diaphragms
24J359
Aluminum Pump with overmolded diaphragms
25A017
Aluminum Pump with overmolded diaphragms, SST balls
* Refer to the Pump Matrix on page 22 to determine the Model No. of your pump.
NOTE: Plus Models include stainless steel center sections.
2
308441
22
23
24
28
30
32
33
34
34
Symbols
Warning Symbol
Caution Symbol
WARNING
CAUTION
This symbol alerts you to the possibility of serious
injury or death if you do not follow the instructions.
This symbol alerts you to the possibility of damage to
or destruction of equipment if you do not follow the
instructions.
WARNING
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.
INSTRUCTIONS
This equipment is for professional use only.
Read all instruction manuals, tags, and labels before operating the equipment.
Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor.
Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
Check equipment daily. Repair or replace worn or damaged parts immediately.
Do not exceed the maximum working pressure of the lowest rated component in your system.
This equipment has a 120 psi (0.8 MPa, 8 bar) maximum working pressure at 120 psi (0.8
MPa, 8 bar) maximum incoming air pressure.
Use fluids and solvents which are compatible with the equipment wetted parts. Refer to the
Technical Data section of all equipment manuals. Read the fluid and solvent manufacturer’s
warnings.
Do not use 1,1,1–trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or
fluids containing such solvents in pressurized aluminum equipment. Such use could result in a
chemical reaction, with the possibility of explosion.
Do not use hoses to pull equipment.
Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose Graco hoses to temperatures above 82C (180F) or below –40C (–40F).
Do not lift pressurized equipment.
Comply with all applicable local, state, and national fire, electrical, and safety regulations.
308441
3
WARNING
TOXIC FLUID HAZARD
Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the
skin, inhaled, or swallowed.
Know the specific hazards of the fluid you are using.
Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,
state and national guidelines.
Always wear protective eyewear, gloves, clothing and respirator as recommended by the fluid
and solvent manufacturer.
Pipe and dispose of the exhaust air safely, away from people, animals, and food handling areas.
If the diaphragm fails, the fluid is exhausted along with the air. See Air Exhaust Ventilation on
page 9.
FIRE AND EXPLOSION HAZARD
Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and
result in a fire or explosion and serious injury.
Ground the equipment. Refer to Grounding on page 5.
If there is any static sparking or you feel an electric shock while using this equipment, stop
pumping immediately. Do not use the equipment until you identify and correct the problem.
Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid
being sprayed.
Pipe and dispose of the exhaust air safely, away from all sources of ignition. If the diaphragm
fails, the fluid is exhausted along with the air. See Air Exhaust Ventilation on page 9.
Keep the work area free of debris, including solvent, rags, and gasoline.
Electrically disconnect all equipment in the work area.
Extinguish all open flames or pilot lights in the work area.
Do not smoke in the work area.
Do not turn on or off any light switch in the work area while operating or if fumes are present.
Do not operate a gasoline engine in the work area.
4
308441
Installation
General Information
Grounding
WARNING
The typical installation shown in Fig. 2 is only a
guide for selecting and installing system components. Contact your Graco distributor for assistance
in planning a system to suit your needs.
FIRE AND EXPLOSION HAZARD
This pump must be grounded. Before
operating the pump, ground the system
as explained below. Also, read the section FIRE AND EXPLOSION HAZARD,
on page 4.
Always use Genuine Graco Parts and Accessories.
Refer to Product Data Sheet 305646.
Reference numbers and letters in parentheses refer
to the callouts in the figures and the parts lists on
pages 25–24.
Lift the pump by grasping the outlet manifold (1)
securely. See Fig. 3 on page 8.
WARNING
To reduce the risk of static sparking, ground the pump
and all other equipment used or located in the pumping
area. Check your local electrical code for detailed
grounding instructions for your area and type of equipment. Ground all of this equipment:
Pump: Connect a ground wire and clamp as shown
in Fig. 1. Loosen the grounding screw (W). Insert
one end of a 12 ga (1.5 mm) minimum ground wire
(Y) behind the grounding screw and tighten the
screw securely. Connect the clamp end of the
ground wire to a true earth ground. Order Part
No. 222011 Ground Wire and Clamp.
TOXIC FLUID HAZARD
Hazardous fluid or toxic fumes can
cause serious injury or death if splashed
in the eyes or on the skin, inhaled, or
swallowed.
Y
1. Read TOXIC FLUID HAZARD on page 4.
2. Use fluids and solvents which are compatible
with the equipment wetted parts. Refer to the
Technical Data section of all equipment manuals. Read the fluid and solvent manufacturer’s
warnings.
W
Tightening Screws Before First Use
Before using the pump for the first time, check and
retorque all external fasteners. See Torque Sequence, page 28. After the first day of operation,
retorque the fasteners. Although pump use varies, a
general guideline is to retorque fasteners every two
months.
02646B
Fig. 1
Air and fluid hoses: Use only grounded hoses with
a maximum of 500 ft (150 m) combined hose
length to ensure grounding continuity.
Air compressor: Follow the manufacturer’s recommendations.
All solvent pails used when flushing: Follow the
local code. Use only metal pails, which are conductive. Do not place the pail on a non-conductive
surface, such as paper or cardboard, which interrupts the grounding continuity.
Fluid supply container: Follow the local code.
308441
5
Installation
c.
Mountings
CAUTION
The pump exhaust air may contain contaminants.
Ventilate to a remote area if the contaminants
could affect your fluid supply. See Air Exhaust
Ventilation on page 9.
1. Be sure the mounting surface can support the
weight of the pump, hoses, and accessories, as
well as the stress caused during operation.
2. For all mountings, be sure the pump is bolted
directly to the mounting surface.
3. For ease of operation and service, mount the
pump so the air valve cover (2), air inlet, and fluid
inlet and outlet ports are easily accessible.
4. Rubber Foot Mounting Kit 236452 is available to
reduce noise and vibration during operation.
Air Line
WARNING
A bleed-type master air valve (B) is required in
your system to relieve air trapped between this
valve and the pump. Trapped air can cause the
pump to cycle unexpectedly, which could result in
serious injury, including splashing in the eyes or on
the skin, injury from moving parts, or contamination
from hazardous fluids. See Fig. 2.
1. Install the air line accessories as shown in Fig. 2.
Mount these accessories on the wall or on a
bracket. Be sure the air line supplying the accessories is grounded.
a. Install an air regulator (C) and gauge to control
the fluid pressure. The fluid outlet pressure will
be the same as the setting of the air regulator.
b. Locate one bleed-type master air valve (B)
close to the pump and use it to relieve trapped
air. See the WARNING above. Locate the
other master air valve (E) upstream from all air
line accessories and use it to isolate them
during cleaning and repair.
6
308441
The air line filter (F) removes harmful dirt and
moisture from the compressed air supply.
2. Install a grounded, flexible air hose (A) between
the accessories and the 1/2 npt(f) pump air inlet
(N). See Fig. 3. Use a minimum 1/2 in. (13 mm) ID
air hose. Screw an air line quick disconnect coupler (D) onto the end of the air hose (A), and screw
the mating fitting into the pump air inlet snugly. Do
not connect the coupler (D) to the fitting until you
are ready to operate the pump.
Installation of Remote Pilot Air Lines
1. Refer to Parts Drawings. Connect air line to pump
as in preceding steps.
2. Connect 1/4 in. O.D. tubing to push type connectors (14) on air motor of pump.
NOTE: by replacing the push type connectors, other
sizes or types of fittings may be used. The new fittings
will require 1/8 in. npt threads.
3. Connect remaining ends of tubes to external air
signal, such as Graco’s Cycleflo (P/N 195264) or
Cycleflo II (P/N195265) controllers.
NOTE: the air pressure at the connectors must be at
least 30% of the air pressure to the air motor for the
pump to operate.
Fluid Suction Line
1. Use grounded fluid hoses (G). The pump fluid
inlet (R) is 1–1/2 in. npt(f). Screw the fluid fitting
into the pump inlet securely.
2. If the fluid inlet pressure to the pump is more than
25% of the outlet working pressure, the ball check
valves will not close fast enough, resulting in
inefficient pump operation.
3. At inlet fluid pressures greater than 15 psi
(0.1 MPa, 1 bar), diaphragm life will be shortened.
4. See the Technical Data on page 32 for maximum
suction lift (wet and dry).
Installation
1. Use grounded fluid hoses (L). The pump fluid
outlet (S) is 1–1/2 in. npt(f). Screw the fluid fitting
into the pump outlet securely.
Fluid Outlet Line
WARNING
A fluid drain valve (J) is required to relieve pressure in the hose if it is plugged. The drain valve
reduces the risk of serious injury, including splashing in the eyes or on the skin, or contamination
from hazardous fluids when relieving pressure.
Install the valve close to the pump fluid outlet. See
Fig. 2.
2. Install a fluid drain valve (J) near the fluid outlet.
See the WARNING above.
3. Install a shutoff valve (K) in the fluid outlet line.
TYPICAL FLOOR-MOUNT INSTALLATION
KEY
A
B
C
D
E
F
G
H
J
K
L
R
S
Y
Air supply hose
Bleed-type master air valve
(required for pump)
Air regulator
Air line quick disconnect
Master air valve (for accessories)
Air line filter
Fluid suction hose
Fluid supply
Fluid drain valve (required)
Fluid shutoff valve
Fluid hose
1.5 npt(f) fluid inlet port
1.5 npt(f) fluid outlet port
Ground wire (required; see page 5
for installation instructions)
B
E
C F
A
D
S
K
L
Y
H
J
R
G
Muffler not included
on Model No. 253485
03265B
Fig. 2
308441
7
Installation
Changing the Orientation of the Fluid Inlet
and Outlet Ports
The pump is shipped with the fluid inlet (R) and outlet
(S) ports facing the same direction. See Fig. 3. To
change the orientation of the inlet and/or outlet port:
1. Remove the screws (106) holding the inlet (102)
and/or outlet (103) manifold to the covers (101).
2. Reverse the manifold and reattach. Install the
screws, and torque according to the torque notes
in Fig. 3.
Fluid Pressure Relief Valve
CAUTION
Some systems may require installation of a pressure relief valve at the pump outlet to prevent
overpressurization and rupture of the pump or
hose. See Fig. 4.
Thermal expansion of fluid in the outlet line can
cause overpressurization. This can occur when
using long fluid lines exposed to sunlight or ambient heat, or when pumping from a cool to a warm
area (for example, from an underground tank).
KEY
N
P
R
S
1
2
1/2 npt(f) air inlet port
Muffler. Air exhaust port
is 3/4 npt(f) . (Not included
on Model No. 253485)
1.5 npt(f) fluid
inlet port
1.5 npt(f) fluid
outlet port
101 Covers
102 Fluid inlet manifold
103 Fluid outlet manifold
106 Manifold and cover screws
112 Bottom cover screws
Apply medium-strength (blue) Loctite or equivalent to the
threads. Torque to 120–150 in-lb (14–17 Nm). See Torque
Sequence, page 28.
KEY
Apply medium-strength (blue) Loctite or equivalent to the
threads. Torque to 190–220 in-lb (22–25 Nm). See Torque
Sequence, page 28.
103
106
Overpressurization can also occur if the Husky
pump is being used to feed fluid to a piston pump,
and the intake valve of the piston pump does not
close, causing fluid to back up in the outlet line.
1
R
S
V
1.5 npt(f) fluid inlet port
1.5 npt(f) fluid outlet port
Pressure relief valve (Order Part No. 112119 for stainless steel
pumps)
1
Install valve between fluid inlet and outlet ports.
2
Connect fluid inlet line here.
3
Connect fluid outlet line here.
4
Muffler not included on Model No. 253485
3
S
S
N
106
2
V
1
101
112
2
2
P
R
102
4
03263B
Aluminum Model Shown
8
03461B
Fig. 4
Fig. 3
308441
R
Installation
The air exhaust port is 3/4 npt(f). Do not restrict the air
exhaust port. Excessive exhaust restriction can cause
erratic pump operation.
Air Exhaust Ventilation
WARNING
If the muffler (P) is installed directly to the air exhaust
port, apply PTFE thread tape or anti–seize thread
lubricant to the muffler threads before assembly.
FIRE AND EXPLOSION HAZARD
Be sure to read and follow the warnings
and precautions regarding TOXIC
FLUID HAZARD, and FIRE OR EXPLOSION HAZARD on page 4, before operating this pump.
To provide a remote exhaust:
1. Remove the muffler (P) from the pump air exhaust
port.
Be sure the system is properly ventilated for your
type of installation. You must vent the exhaust to a
safe place, away from people, animals, food handling areas, and all sources of ignition when pumping
flammable or hazardous fluids.
2. Install a grounded air exhaust hose (T) and connect the muffler (P) to the other end of the hose.
The minimum size for the air exhaust hose is 3/4
in. (19 mm) ID. If a hose longer than 15 ft (4.57 m)
is required, use a larger diameter hose. Avoid
sharp bends or kinks in the hose. See Fig. 5.
Diaphragm failure will cause the fluid being
pumped to exhaust with the air. Place an appropriate container at the end of the air exhaust line to
catch the fluid. See Fig. 5.
3. Place a container (U) at the end of the air exhaust
line to catch fluid in case a diaphragm ruptures.
VENTING EXHAUST AIR
KEY
A
B
E
F
C
B
A
C
D
E
F
P
T
U
D
Air supply line
Bleed-type master air valve
(required for pump)
Air regulator
Air line quick disconnect
Master air valve (for accessories)
Air line filter
Muffler (not included on
Model No. 253485)
Grounded air exhaust hose
Container for remote air exhaust
T
U
P
03267A
Fig. 5
308441
9
Operation
Pressure Relief Procedure
WARNING
PRESSURIZED EQUIPMENT HAZARD
The equipment stays pressurized until pressure is
manually relieved. To reduce the risk of serious
injury from pressurized fluid, accidental spray from
the gun or splashing fluid, follow this procedure
whenever you:
Are instructed to relieve pressure,
Stop pumping,
Check, clean or service any system equipment,
Install or clean fluid nozzles.
1. Shut off the air to the pump.
2. Open the dispensing valve, if used.
3. Open the fluid drain valve to relieve all fluid pressure, having a container ready to catch the drainage.
Flush the Pump Before First Use
The pump was tested in water. If water could contaminate the fluid you are pumping, flush the pump thoroughly with a compatible solvent. Follow the steps
under Starting and Adjusting the Pump.
Starting and Adjusting the Pump
WARNING
TOXIC FLUID HAZARD
To reduce the risk of serious injury,
splashing in the eyes or on the skin, and
toxic fluid spills, never move or lift a
pump under pressure. If dropped, the fluid section
may rupture. Always follow the Pressure Relief
Procedure above before lifting the pump.
1. Be sure the pump is properly grounded. Refer to
Grounding on page 5.
2. Check all fittings to be sure they are tight. Be sure
to use a compatible liquid thread sealant on all
male threads. Tighten the fluid inlet and outlet
fittings securely.
3. Place the suction tube (if used) in the fluid to be
pumped.
10
308441
NOTE: If the fluid inlet pressure to the pump is more
than 25% of the outlet working pressure, the ball check
valves will not close fast enough, resulting in inefficient
pump operation.
4. Place the end of the fluid hose (L) into an appropriate container.
5. Close the fluid drain valve (J). See Fig. 2.
6. Close the pump air regulator (C). Open all bleedtype master air valves (B, E).
7. If the fluid hose has a dispensing device, hold it
open while continuing with the following step.
8. Slowly open the air regulator (C) until the pump
starts to cycle. Allow the pump to cycle slowly until
all air is pushed out of the lines and the pump is
primed.
If you are flushing, run the pump long enough to
thoroughly clean the pump and hoses. Close the
air regulator. Remove the suction tube from the
solvent and place it in the fluid to be pumped.
Operation of Remote Piloted Pumps
1. Follow preceding steps 1 through 7 of Starting
and Adjusting Pump.
2. Open air regulator (C).
WARNING
The pump may cycle once before the external signal is applied. Injury is possible. If pump cycles,
wait until end before proceeding.
3. Pump will operate when air pressure is alternately
applied and relieved to push type connectors (14).
NOTE: Leaving air pressure applied to the air motor for
extended periods when the pump is not running may
shorten the diaphragm life. Using a 3–way solenoid
valve to automatically relieve the pressure on the air
motor when the metering cycle is complete prevents
this from occurring.
Pump Shutdown
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure at left.
At the end of the work shift, relieve the pressure.
Maintenance
Lubrication
Flushing and Storage
The air valve is designed to operate unlubricated,
however if lubrication is desired, every 500 hours of
operation (or monthly) remove the hose from the pump
air inlet and add two drops of machine oil to the air
inlet.
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 10.
CAUTION
Do not over-lubricate the pump. Oil is exhausted
through the muffler, which could contaminate your
fluid supply or other equipment. Excessive lubrication can also cause the pump to malfunction.
Tightening Threaded Connections
Flush the pump often enough to prevent the fluid you
are pumping from drying or freezing in the pump and
damaging it. Use a compatible solvent.
Always flush the pump and relieve the pressure before
storing it for any length of time.
Before each use, check all hoses for wear or damage,
and replace as necessary. Check to be sure all
threaded connections are tight and leak–free.
Check fasteners. Tighten or retorque as necessary.
Although pump use varies, a general guideline is to
retorque fasteners every two months. See Torque
Sequence, page 28.
308441
11
Troubleshooting
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 10.
Relieve the pressure before checking or servicing
the equipment.
Check all possible problems and causes before
disassembling the pump.
PROBLEM
CAUSE
SOLUTION
Pump cycles at stall or fails to hold
pressure at stall.
Worn check valve balls (301), seats
(201) or o-rings (202).
Replace. See page 16.
Pump will not cycle, or cycles once
and stops.
Air valve is stuck or dirty.
Disassemble and clean air valve.
See pages 14–15. Use filtered air.
Check valve ball (301) severely
worn and wedged in seat (201) or
manifold (102 or 103).
Replace ball and seat. See page
16.
Check valve ball (301) is wedged
into seat (201), due to overpressurization.
Install Pressure Relief Valve
(see page 8).
Dispensing valve clogged.
Relieve pressure and clear valve.
Clogged suction line.
Inspect; clear.
Sticky or leaking balls (301).
Clean or replace. See page 16.
Diaphragm ruptured.
Replace. See pages 17–19.
Restricted exhaust.
Remove restriction.
Suction line is loose.
Tighten.
Diaphragm ruptured.
Replace. See pages 17–19.
Loose inlet manifold (102), damaged seal between manifold and
seat (201), damaged o-rings (202).
Tighten manifold bolts (106) or replace seats (201) or o-rings (202).
See page 16.
Loose diaphragm shaft bolt (107).
Tighten or replace. See pages
17–19.
Damaged o-ring (108).
Replace. See pages 17–19.
Pump operates erratically.
Air bubbles in fluid.
12
308441
Troubleshooting
PROBLEM
CAUSE
SOLUTION
Fluid in exhaust air.
Diaphragm ruptured.
Replace. See pages 17–19.
Loose diaphragm shaft bolt (107).
Tighten or replace. See pages
17–19.
Damaged o-ring (108).
Replace. See pages 17–19.
Worn air valve block (7), o-ring (6),
plate (8), pilot block (18), u-cups
(10), or pilot pin o-rings (17).
Repair or replace. See pages
14–15.
Worn shaft seals (402).
Replace. See pages 17–19.
Pump exhausts excessive air at
stall.
Pump leaks air externally.
Air valve cover (2) or air valve cover Tighten screws. See page 15.
screws (3) are loose.
Air valve gasket (4) or air cover
gasket (22) is damaged.
Inspect; replace. See pages 14–15,
20–21.
Air cover screws (25) are loose.
Tighten screws. See pages 20–21.
Pump leaks fluid externally from ball Loose manifolds (102, 103), damcheck valves.
aged seal between manifold and
seat (201), damaged o-rings (202).
Tighten manifold bolts (106) or replace seats (201) or o-rings (202).
See page 16.
308441
13
Service
Repairing the Air Valve
3
Tools Required
2
2
Torque wrench
4
Torx (T20) screwdriver or 7 mm (9/32 in.) socket
wrench
Needle-nose pliers
O-ring pick
Lithium base grease
NOTE: Air Valve Repair Kits 236273 (aluminum center
housing models) and 255061 (sst center housing
models) are available. Refer to page 23. Parts included
in the kit are marked with a symbol, for example (4).
Use all the parts in the kit for the best results.
Disassembly
1
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 10.
1. Relieve the pressure.
2. With a Torx (T20) screwdriver or 7 mm (9/32 in.)
socket wrench, remove the six screws (3), air
valve cover (2), and gasket (4). See Fig. 6.
3. Move the valve carriage (5) to the center position
and pull it out of the cavity. Remove the valve
block (7) and o-ring (6) from the carriage.
Using a needle-nose pliers, pull the pilot block (18)
straight up and out of the cavity. See Fig. 7.
Muffler not included on
Model No. 253485
1
Torque to 50–60 in-lb
(5.6–6.8 Nm).
2
03268B
Fig. 6
1
See Detail at right.
2
Grease.
3
Grease lower face.
4. Pull the two actuator pistons (11) out of the bearings (12). Remove the u-cup packings (10) from
the pistons. Pull the pilot pins (16) out of the
bearings (15). Remove the o-rings (17) from the
pilot pins. See Fig. 8.
5
2
6
3
7
18
5. Inspect the valve plate (8) in place. If damaged,
use a Torx (T20) screwdriver or 7 mm (9/32 in.)
socket wrench to remove the three screws (3).
Remove the valve plate (8) and, on aluminum
center housing models only, remove the seal (9).
See Fig. 9.
3
5
1
11
6. Inspect the bearings (12, 15) in place. See Fig. 8.
The bearings are tapered and, if damaged, must
be removed from the outside. This requires disassembly of the fluid section. See page 20.
7. Clean all parts and inspect for wear or damage.
Replace as needed. Reassemble as explained on
page 15.
14
308441
Fig. 7
03269
Service
Reassembly
1
Insert narrow end first.
2
Grease.
3
Install with lips facing
narrow end of piston (11).
4
Insert wide end first.
10
2
2. On aluminum center housing models, install the
valve plate seal (9) into the groove at the bottom of the valve cavity. The rounded side of the
seal must face down into the groove. See Fig. 9.
3
11
1. If you removed the bearings (12, 15), install new
ones as explained on page 20. Reassemble the
fluid section.
3. Install the valve plate (8) in the cavity. On aluminum center housing models, the plate is reversible,
so either side can face up. Install the three screws
(3), using a Torx (T20) screwdriver or 7 mm (9/32
in.) socket wrench. Tighten until the screws bottom
out on the housing. See Fig. 9.
4
12
4. Install an o-ring (17) on each pilot pin (16).
Grease the pins and o-rings. Insert the pins into
the bearings (15), narrow end first. See Fig. 8.
2
17
15 16
5. Install a u-cup packing (10) on each actuator
piston (11), so the lips of the packings face the
narrow end of the pistons. See Fig. 8.
1
03270
Fig. 8
1
2
Rounded side must face down
(aluminum center housing models only).
Tighten screws until
they bottom out on the
housing.
3
6. Lubricate the u-cup packings (10) and actuator
pistons (11). Insert the actuator pistons in the
bearings (12), wide end first. Leave the narrow
end of the pistons exposed. See Fig. 8.
2
8
9
1
7. Grease the lower face of the pilot block (18) and
install so its tabs snap into the grooves on the
ends of the pilot pins (16). See Fig. 7.
8. Grease the o-ring (6) and install it in the valve
block (7). Push the block onto the valve carriage
(5). Grease the lower face of the valve block. See
Fig. 7.
9. Install the valve carriage (5) so its tabs slip into the
grooves on the narrow end of the actuator pistons
(11). See Fig. 7.
10. Align the valve gasket (4) and cover (2) with the
six holes in the center housing (1). Secure with six
screws (3), using a Torx (T20) screwdriver or 7
mm (9/32 in.) socket wrench. Torque to 50–60 in-lb
(5.6–6.8 Nm). See Fig. 6.
Fig. 9
03271
308441
15
Service
Ball Check Valve Repair
1
Tools Required
Torque wrench
13 mm socket wrench
O-ring pick
Apply medium-strength (blue) Loctite or equivalent to the
threads. Torque to 120–150 in-lb (14–17 Nm). See Torque
Sequence, page 28.
2
Arrow (A) must point toward
outlet manifold (103).
3
Not used on some models.
4
Beveled seating surface
must face ball (301).
Disassembly
NOTE: A Fluid Section Repair Kit is available. Refer to
page 23 to order the correct kit for your pump. Parts
included in the kit are marked with an asterisk, for
example (201*). Use all the parts in the kit for the best
results.
1
106
103
NOTE: To ensure proper seating of the balls (301),
always replace the seats (201) when replacing the
balls. Also, on some models, replace the o-rings (202).
301*
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 10.
201*
4
202*
3
101
A
1. Relieve the pressure. Disconnect all hoses.
2
2. Remove the pump from its mounting.
3. Using a 13 mm socket wrench, remove the four
bolts (106) holding the outlet manifold (103) to the
fluid covers (101). See Fig. 10.
4. Remove the o-rings (202, not used on some
models), seats (201), and balls (301) from the
manifold.
3
301*
5. Turn the pump over and remove the inlet manifold
(102). Remove the o-rings (202, not used on some
models), seats (201), and balls (301) from the fluid
covers (101).
201*
4
202*
3
Reassembly
102
1. Clean all parts and inspect for wear or damage.
Replace parts as needed.
2. Reassemble in the reverse order, following all
notes in Fig. 10. Be sure the ball checks are
assembled exactly as shown. The arrows (A) on
the fluid covers (101) must point toward the outlet
manifold (103).
16
308441
106
Fig. 10
1
03272B
Service
Diaphragm Repair
WARNING
Tools Required
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 10.
Torque wrench
13 mm socket wrench
15 mm socket wrench (aluminum models) or
1 in. socket wrench (stainless steel models)
19 mm open–end wrench
O-ring pick
1. Relieve the pressure.
2. Remove the manifolds and disassemble the ball
check valves as explained on page 16.
Lithium-base grease
Disassembly
NOTE: A Fluid Section Repair Kit is available. Refer to
page 23 to order the correct kit for your pump. Parts
included in the kit are marked with an asterisk, for
example (401*). Use all the parts in the kit for the best
results.
3. Using a 13 mm socket wrench, remove the screws
(106 and 112) holding the fluid covers (101) to the
air covers (23). Pull the fluid covers (101) off the
pump. See Fig. 11.
1
Apply medium-strength (blue) Loctite or equivalent to
the threads. Torque to 190–220 in-lb (22–25 Nm).
See Torque Sequence, page 28.
2
Arrow (A) must point toward air valve (B).
3
Muffler not included on Model No. 253485.
B
23
101
A
2
106
1
3
112
1
03273C
Fig. 11
308441
17
Service
4. Loosen but do not remove the diaphragm shaft
bolts (107), using a 15 mm socket wrench (1 in. on
stainless steel models) on both bolts. NOTE: This
step does not apply to pumps with overmolded
diaphragms.
a. Install the o-ring (108*) on the shaft bolt (107).
5. Unscrew one bolt from the diaphragm shaft (24)
and remove the o-ring (108), fluid side diaphragm
plate (105), PTFE diaphragm (403, used on PTFE
models only), diaphragm (401), and air side diaphragm plate (104). See Fig. 12.
c.
For overmolded diaphragms: Grip both diaphragms securely around the outer edge and
rotate counterclockwise. One diaphragm assembly
will come free and the other will remain attached to
the shaft. Remove the freed diaphragm and air
side plate.
6. Pull the other diaphragm assembly and the diaphragm shaft (24) out of the center housing (1).
Hold the shaft flats with a 19 mm open–end
wrench, and remove the bolt (107) from the shaft.
Disassemble the remaining diaphragm assembly.
For overmolded diaphragms: Pull the other diaphragm assembly and the diaphragm shaft (24)
out of the center housing (1). Hold the shaft flats
with a 19 mm open–end wrench and remove the
diaphragm and air side plate from the shaft.
7. Inspect the diaphragm shaft (24) for wear or
scratches. If it is damaged, inspect the bearings
(19) in place. If the bearings are damaged, refer to
page 20.
8. Reach into the center housing (1) with an o-ring
pick and hook the u-cup packings (402), then pull
them out of the housing. This can be done with the
bearings (19) in place.
9. Clean all parts and inspect for wear or damage.
Replace parts as needed.
Reassembly
1. Install the shaft u-cup packings (402*) so the lips
face out of the housing (1). Lubricate the packings. See Fig. 12.
2. Install the diaphragm assembly on one end of the
shaft (24) as follows. For pumps with overmolded
diaphragms, go directly to step g.
18
308441
b. Install the fluid side diaphragm plate (105) on
the bolt so the rounded side faces in, toward
the diaphragm (401).
On PTFE models only, install the PTFE diaphragm (403*). Make certain the side marked
AIR SIDE faces the center housing (1).
d. Install the diaphragm (401*) on the bolt. Make
certain the side marked AIR SIDE faces the
center housing (1).
e. Install the air side diaphragm plate (104) so
the recessed side faces the diaphragm (401).
f.
Apply medium-strength (blue) Loctite or
equivalent to the bolt (107) threads. Screw the
bolt (107) into the shaft (24) hand tight.
g. For overmolded diaphragms: Assemble the air
side plate (104) onto the diaphragm (403). The
wide, radiused side of the plate must face the
diaphragm. Apply medium–strength (blue)
Loctite or equivalent to the threads of the
diaphragm assembly. Screw the assembly into
the shaft (24) hand tight.
3. Grease the length and ends of the diaphragm shaft
(24), and slide it through the housing (1).
4. Assemble the other diaphragm assembly to the
shaft as explained in step 2.
5. Hold one shaft bolt (107) with a wrench and torque
the other bolt to 20–25 ft-lb (27–34 Nm) at 100
rpm maximum. NOTE: This step does not apply to
pumps with overmolded diaphragms.
6. Align the fluid covers (101) and the center housing
(1) so the arrows (A) on the covers face the same
direction as the air valve (B). Apply mediumstrength (blue) Loctite or equivalent to the
threads of screws (106) and (112), and secure the
covers with the screws handtight. Install the
longer screws (112) in the bottom holes of the
covers. See Fig. 11. Using a 13 mm socket
wrench, torque the screws oppositely and evenly
to 190–220 in-lb (22–25 Nm). See Torque Sequence, page 28.
7. Reassemble the ball check valves and manifolds
as explained on page 16.
Service
19
402* 1
105
2
107
5
403*
3
1
24
4
104
7
6
1
401*
3
03274A
03275A
Cutaway View, with Diaphragms in Place
Cutaway View, with Diaphragms Removed
24
4
104
7
401*
3
403*
3
5
105
2
1
24
4
108*
107
8
1
Lips face out of housing (1).
2
Rounded side faces diaphragm (401).
3
Air Side must face center housing (1).
4
Grease.
5
Used on pumps with PTFE diaphragms only.
6
7
Apply medium-strength (blue) Loctite or equivalent. Torque to 20 to 25 ft-lb (27 to 34 N-m) at 100
rpm maximum.
Recessed side faces diaphragm (401).
8
Muffler not included on Model No. 253485.
6
03276C
Fig. 12
308441
19
Service
Bearing and Air Gasket Removal
Tools Required
Torque wrench
10 mm socket wrench
Bearing puller
O-ring pick
Press, or block and mallet
Disassembly
NOTE: Do not remove undamaged bearings.
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 10.
1. Relieve the pressure.
2. Remove the manifolds and disassemble the ball
check valves as explained on page 16.
3. Remove the fluid covers and diaphragm assemblies as explained on page 17.
NOTE: If you are removing only the diaphragm shaft
bearing (19), skip step 4.
4. Disassemble the air valve as explained on page
14.
7. Use a bearing puller to remove the diaphragm
shaft bearings (19), air valve bearings (12) or pilot
pin bearings (15). Do not remove undamaged
bearings.
8. If you removed the diaphragm shaft bearings (19),
reach into the center housing (1) with an
o-ring pick and hook the u-cup packings (402),
then pull them out of the housing. Inspect the
packings. See Fig. 12.
Reassembly
1. If removed, install the shaft u-cup packings (402*)
so the lips face out of the housing (1).
2. The bearings (12, 15, and 19) are tapered and can
only be installed one way. Insert the bearings into
the center housing (1), tapered end first. Using a
press or a block and rubber mallet, press-fit the
bearing so it is flush with the surface of the center
housing.
3. Reassemble the air valve as explained on page
15.
4. Align the new air cover gasket (22) so the pilot pin
(16) protruding from the center housing (1) fits
through the proper hole (H) in the gasket.
5. Align the air cover (23) so the pilot pin (16) fits in
the middle hole (M) of the three small holes near
the center of the cover. Apply medium-strength
(blue) Loctite or equivalent to the threads of
screws (25), and install the screws handtight. See
Fig. 13. Using a 10 mm socket wrench, torque the
screws oppositely and evenly to 130–150 in-lb
(15–17 Nm).
5. Using a 10 mm socket wrench, remove the screws
(25) holding the air covers (23) to the center
housing (1). See Fig. 13.
6. Install the diaphragm assemblies and fluid covers
as explained on page 17.
6. Remove the air cover gaskets (22). Always replace
the gaskets with new ones.
7. Reassemble the ball check valves and manifolds
as explained on page 16.
20
308441
Service
12
1
Insert bearings tapered end first.
2
Press-fit bearings flush with surface of center housing (1).
3
Apply medium-strength (blue) Loctite or equivalent. Torque
to 130–150 in-lb (15–17 Nm).
4
Muffler not included on Model No. 253485.
1
2
03277
1
15
1
16
19
2
Detail of Air Valve Bearings
2
1
M
H
23
22
25
3
4
03278B
Fig. 13
308441
21
Pump Matrix
Husky 1590 Aluminum and Stainless Steel Pumps, Series A
Your Model No. is marked on the pump’s serial plate. To determine the Model No. of your pump from the following
matrix, select the six digits which describe your pump, working from left to right. The first digit is always D,
designating Husky diaphragm pumps. The remaining five digits define the materials of construction. For example, a
pump with an aluminum air motor, aluminum fluid section, polypropylene seats, PTFE balls, and PTFE diaphragms
is Model No. D B 3 9 1 1. To order replacement parts, refer to the part lists on pages 25–24. The digits in the
matrix do not correspond to the ref. nos. in the parts drawing and lists.
Diaphragm
Pump
Air Motor
Fluid Section
–
Seats
Balls
Diaphragms
232502*
aluminum
aluminum
–
TPE
acetal
TPE
253485*
aluminum
aluminum
–
Buna–N
Buna–N
Buna–N
D (for all pumps)
B aluminum
(standard)
1 (not used)
–
1 (not used)
1 (PTFE)
1 (PTFE)
24B780*
C aluminum
(remote)
2 (not used)
–
2 (not used)
2 (acetal)
2 (not used)
24B781*
T sst (standard)
3 (aluminum)
–
3 (316 sst)
3 (not used)
3 (not used)
24G411*
U sst (remote)
4 (sst)
–
4 (17–4 PH sst)
4 (440C sst)
4 (not used)
5 (not used)
–
5 (TPE)
5 (TPE)
5 (TPE)
C (aluminum
BSPT)
–
6 (Santoprene)
6 (Santoprene)
6 (Santoprene)
D (sst BSPT)
–
7 (Buna–N)
7 (Buna–N)
7 Buna–N)
–
8 (Fluoroelastomer)
8 (Fluoroelastomer)
8 (Fluoroelastomer)
–
9 (polypropylene)
9 (not used)
9 (not used)
–
A (PVDF)
A (not used)
A (not used)
–
G (Geolast)
G (Geolast)
G (Geolast)
246451 Stainless Steel Air Motor Conversion Kit
Use kit 246451 and refer to manual 309643 (included
with kit) to convert from aluminum air motor to
stainless steel air motor.
* 232502, Aluminum 1590 Pump, Series D
Model No. 232502 is a private-label aluminum 1590
pump. This pump is the same as Model No. DB3525
except for the label and:
Ref. Nos. 10 and 402 are 115666 Packing, U–cup,
Fluoroelastomer
Ref. No. 17 is 168518 O–ring, Fluoroelastomer
Use 243492 as the Air Valve Repair Kit
Ref. 106 is 112416 SCREW, SST; M10 x 1.5, 30 mm
Ref. 112 is 112417 SCREW, SST; M10 x 1.5; 90 mm
* 253485, Aluminum 1590 Pump, Series A
Model No. 253485 is an aluminum 1590 pump. This
pump is the same as Model No. DB3777 except for the
label and that 253485 does not include Ref. No. 111
Muffler.
* 24B780 Stainless Steel Plus Pump
This pump is the same as Model DT4311 except for
the serial plate and parts listed in the chart below.
22
308441
* 24B781 Stainless Steel Pump
This pump is the same as Model DB4311 except for
the serial plate and parts listed in the chart below.
* 24G411 Aluminum Pump
This pump is the same as Model DBC311 except for
the serial plate and parts listed in the chart below.
* 24J358 Aluminum Pump
This pump is the same as Model DB3311 except for
the serial plate and parts listed in the chart below.
* 24J359 Aluminum Pump
This pump is the same as Model DB3321 except for
the serial plate and parts listed in the chart below.
* 25A017 Aluminum Pump
This pump is the same as Model DB3341 except for
the serial plate and parts listed in the chart below.
Ref.
No.
Part No.
Description
Qty
104
15H810
PLATE, air side; alum.
2
105
–––
not used
0
107
–––
not used
0
108
–––
not used
0
401
15G745
DIAPHRAGM, HD, overmolded;
PTFE/EPDM
2
Repair Kit Matrix
For Husky 1590 Aluminum and Stainless Steel Pumps, Series A
Repair Kits may be ordered separately. To repair the air valve, order Part No. 236273 for aluminum center housing
models or Part No. 255061 for stainless steel center housing models (see page 24). Parts included in the Air Valve
Repair Kit are marked with a symbol in the parts list, for example (3).
To repair your pump, select the six digits which describe your pump from the following matrix, working from left to
right. The first digit is always D, the second digit is always 0 (zero), and the third is always B. The remaining three
digits define the materials of construction. Parts included in the kit are marked with an asterisk in the parts list, for
example (201*). For example, if your pump has polypropylene seats, PTFE balls, and PTFE diaphragms, order
Repair Kit D 0 B 9 1 1. If you only need to repair certain parts (for example, the diaphragms), use the 0 (null)
digits for the seats and balls, and order Repair Kit D 0 B 0 0 1. The digits in the matrix do not correspond to the
ref. nos. in the parts drawing and lists on pages 24–25.
Diaphragm
Pump
Null
Shaft O-ring
–
Seats
Balls
Diaphragms
D (for all pumps)
0 (for all pumps)
B (PTFE)
–
0 (null)
0 (null)
0 (null)
–
1 (not used)
1 (PTFE)
1 (PTFE)
–
2 (not used)
2 (acetal)
2 (not used)
–
3 (316 sst)
3 (not used)
3 (not used)
–
4 (17–4 PH sst)
4 (440C sst)
4 (not used)
–
5 (TPE)
5 (TPE)
5 (TPE)
–
6 (Santoprene)
6 (Santoprene)
6 (Santoprene)
–
7 (Buna–N)
7 (Buna–N)
7 (Buna–N)
–
8 (Fluoroelastomer)
8 (Fluoroelastomer)
8 (Fluoroelastomer)
–
9 (polypropylene)
9 (not used)
9 (not used)
–
A (PVDF)
A (not used)
A (not used)
–
G (Geolast)
G (Geolast)
G (Geolast)
Part No. 253627: Husky 1590 HD Overmolded PTFE/EPDM Diaphragm Repair Kit.
Part No. 289225: Husky 1590 HD Overmolded PTFE/EPDM Diaphragm Repair Kit,
with new air side diaphragm plates.
Part No. 24F398: Husky 1590 PTFE/Santoprene Backer Diaphragm Repair Kit,
for metal pumps.
308441
23
Parts Drawing
2
3
4
11
5
10
6
7
8
17
16
18
3
9 1
16
17
12
14 }
10
11
22
110
106
23
20
103
15
25
111
1
301*
1
402* 19
201*
202*
13 }
24
1
106
Aluminum Model Shown
104
1
Not used on some models.
2
Used on PTFE models only.
3
Used on stainless steel models only.
101
401*
1
403*
} These parts are unique to remote piloted air motor, DC––––, DT––––
* These parts are included in the Pump Repair Kit,
which may be purchased separately.
Refer to the Repair Kit Matrix on page 23 to
determine the correct kit for your pump.
105
108*
107
3 113
112
*301
*201
202*
1
These parts are included in Air Valve Repair Kit 236273 (aluminum
center housing models), which may be purchased separately.
These parts are included in Air Valve Repair Kit 255061 (stainless
steel center housing models), which may be purchased separately.
Replacement Danger and Warning labels,
tags and cards are available at no cost.
24
308441
102
106
03279C
Parts
Air Motor Parts List (Matrix Column 2)
Ref.
Digit No.
Part No.
Description
Qty
Ref.
Digit No.
B
1
188838
HOUSING, center;
aluminum
1
C
2
188854
COVER, air valve;
aluminum
1
3
116344
SCREW, mach, hex
flange hd; M5 x 0.8;
12 mm (0.47 in.)
9
T
Part No.
Description
Qty
Same as B with the following exceptions
1
195921
HOUSING, center;
remote, aluminum
1
23
195918
COVER, air; remote
2
Same as B with the following exceptions
1
15K009
HOUSING, center;
stainless steel
1
2
15K696
COVER, air valve;
stainless steel
1
1
8
15H178
PLATE, air valve;
stainless steel
1
PLATE, air valve; sst
1
9
–
–
–
188617
SEAL, valve plate; buna-N
1
23
15A739
2
10
112181
PACKING, u-cup; nitrile
2
COVER, air; stainless
steel
11
188612
PISTON, actuator; acetal
2
25
112178
12
12
188613
BEARING, piston; acetal
2
SCREW; M8 x 1.25;
25 mm (1 in.), stainless
steel
13}
104765
PLUG, pipe; headless
2
14}
115671
FITTING, connector;
male
2
1
15K011
HOUSING, center;
remote, stainless steel
1
15
188611
BEARING, pin; acetal
2
2
15K696
1
16
188610
PIN, pilot; stainless steel
2
COVER, air valve;
stainless steel
17
157628
O-RING; buna-N
2
8
15H178
PLATE, air valve;
stainless steel
1
18
188614
BLOCK, pilot; acetal
1
9
–
–
–
19
188609
BEARING, shaft; acetal
2
23
15B795
2
20
116343
SCREW, grounding
1
COVER, air; remote,
stainless steel
22
188603
GASKET, air cover; foam
2
25
112178
12
23
189400
COVER, air; aluminum
2
SCREW; M8 x 1.25;
25 mm (1 in.), stainless
steel
24
189245
SHAFT, diaphragm; sst
1
25
115643
SCREW; M8 x 1.25;
25 mm (1 in.), aluminum
12
4
188618
GASKET, cover; foam
1
5
188855
CARRIAGE; aluminum
1
6
108730
O-RING; nitrile
1
7
188616
BLOCK, air valve; acetal
8
188615
9
U
Same as B with the following exceptions
308441
25
Parts
Fluid Section Parts List (Matrix Column 3)
Ref.
Digit No.
Part No.
Description
Qty
Ref.
Digit No.
Part No.
Description
Qty
3
101
15A615
COVER, fluid; aluminum
2
C
101
15A615
COVER, fluid; aluminum
2
102
189402
MANIFOLD, inlet;
aluminum
1
102
192078
MANIFOLD, inlet;
aluminum; BSPT
1
103
15A616
MANIFOLD, outlet;
aluminum
1
103
15A658
MANIFOLD, outlet;
aluminum; BSPT
1
104
15K448
PLATE, air side;
aluminum
2
104
15K448
PLATE, air side;
aluminum
2
105
189843
PLATE, fluid side;
carbon steel
2
105
189843
PLATE, fluid side;
carbon steel
2
106
115644
SCREW; M10 x 1.25;
35 mm (1.38 in.)
24
106
115644
SCREW; M10 x 1.25;
35 mm (1.38 in.)
24
107
189410
BOLT; M12 x 1.75;
55 mm (2.17 in.); 316 sst
2
107
189410
BOLT; M12 x 1.75;
55 mm (2.17 in.); 316 sst
2
108*
104319
O-RING; PTFE
2
108*
104319
O-RING; PTFE
2
110
188970
LABEL, warning
1
110
188970
LABEL, warning
1
111
102656
MUFFLER (not used on
Model No. 253485)
1
111
102656
MUFFLER
1
112
115645
115645
SCREW; M10 x 1.50;
90 mm (3.54 in.)
4
SCREW; M10 x 1.50;
90 mm (3.54 in.)
4
112
101
194169
COVER, fluid; sst
2
101
194169
COVER, fluid; sst
2
102
195574
194170
MANIFOLD, inlet; sst
1
MANIFOLD, inlet; sst;
BSPT
1
102
103
194221
MANIFOLD, outlet; sst
1
103
195575
MANIFOLD, outlet; sst;
BSPT
1
104
15K448
PLATE, air side;
aluminum
2
104
15K448
PLATE, air side;
aluminum
2
105
189309
PLATE, fluid side; sst
2
105
189309
PLATE, fluid side; sst
2
106
112416
SCREW; M10 x 1.25;
30 mm (1.18 in.); sst
24
106
112416
SCREW; M10 x 1.25;
30 mm (1.18 in.); sst
24
107
189410
BOLT; M12 x 1.75;
55 mm (2.17 in.); 316 sst
2
107
189410
BOLT; M12 x 1.75;
55 mm (2.17 in.); 316 sst
2
108*
104319
O-RING; PTFE
2
108*
104319
O-RING; PTFE
2
110
188621
LABEL, warning
1
110
188621
LABEL, warning
1
111
102656
MUFFLER
1
111
102656
MUFFLER
1
112
112417
SCREW; M10 x 1.50;
90 mm (3.54 in.); sst
4
112
112417
SCREW; M10 x 1.50;
90 mm (3.54 in.); sst
4
113
114862
NUT, hex, M10, fhn
8
4
26
308441
D
Parts
Seat Parts List (Matrix Column 4)
Qty
Ref.
Digit No.
Part No.
Description
Qty
SEAT; 316 stainless
steel
4
1
301*
112419
BALL; PTFE
4
2
301*
112423
BALL; acetal
4
112418
O-RING; PTFE
4
4
301*
112420
189319
SEAT; 17-4 stainless
steel
4
BALL; 440C stainless
steel
4
201*
5
301*
112831
BALL; TPE
4
202*
112418
O-RING; PTFE
4
6
301*
112421
BALL; Santoprene
4
201*
189322
SEAT; TPE
4
7
301*
15B490
BALL; Buna–N
4
202
None
Not Used
0
8
301*
15B489
BALL; Fluoroelastomer
4
201*
189320
SEAT; Santoprene
4
G
301*
114752
BALL; Geolast
4
202*
112418
O-RING; PTFE
4
201*
15B266
SEAT; Buna–N
4
202
None
Not used
0
Ref.
Digit No.
201*
15B264
SEAT; Fluoroelastomer
4
1
202
None
Not used
0
201*
193417
SEAT; polypropylene
4
202*
112418
O-RING; PTFE
4
201*
189732
SEAT; PVDF
4
202*
112418
O-RING; PTFE
4
201*
194213
SEAT; Geolast
4
202*
112418
O-RING; PTFE
4
Ref.
Digit No.
Part No.
Description
3
201*
189318
202*
4
5
6
7
8
9
A
G
Ball Parts List (Matrix Column 5)
Diaphragm Parts List (Matrix Column 6)
5
6
7
8
G
Part No.
Description
Qty
401*
Not sold
separately
DIAPHRAGM, backup;
polychloroprene (CR)
2
402*
112181
PACKING, u-cup; nitrile
2
403*
15K312
DIAPHRAGM; PTFE
2
401*
189425
DIAPHRAGM; TPE
2
402*
112181
PACKING, u-cup; nitrile
2
401*
189426
DIAPHRAGM; Santoprene
2
402*
112181
PACKING, u-cup; nitrile
2
401*
15B312
DIAPHRAGM; Buna–N
2
402*
112181
PACKING, u-cup; nitrile
2
401*
15B501
DIAPHRAGM;
Fluoroelastomer
2
402*
112181
PACKING, u-cup; nitrile
2
401*
194214
DIAPHRAGM;
Geolast
2
402*
112181
PACKING, u-cup; nitrile
2
* These parts are included in the pump repair kit, purchased
separately. See Repair Kit Matrix on page 23 to determine
the correct kit for your pump.
308441
27
Torque Sequence
Always follow torque sequence when instructed to torque fasteners.
1. Left/Right Fluid Covers
Torque bolts to 190–220 in–lb (22–25 Nm).
1
15
18
17
16
3
8
5
9
10
TOP VIEW
7
6
4
2
SIDE VIEW
2. Inlet Manifold
Torque bolts to 120–150 in–lb (14–17 Nm).
11
14
13
12
BOTTOM VIEW
28
3. Outlet Manifold
Torque bolts to 120–150 in–lb (14–17 Nm).
308441
Notes
308441
29
Dimensions
FRONT VIEW
PUMP MOUNTING HOLE PATTERN
B
L
1/2 npt(f)
Air Inlet
3/4 npt(f)
Air Exhaust
D
F
G
H
C
J
D
M
1
Muffler not included on Model No. 253485.
1
E
Dimensions B, C, F, G, H and M can
vary by up to 1/4 in. (6.3 mm) depending
on the seat and diaphragm material
fitted in the pump.
SIDE VIEW
5.23 in.
(132.5 mm)
1.5 npt(f) Outlet Port
45°
1
K
1.5 npt(f) Inlet Port
6.0 in.
(152.5 mm)
10.46 in.
(265.5 mm)
30
308441
7438B
Dimensions
Aluminum
Center
Aluminum
Cover
Aluminum
Center
SST Cover
SST Center
Aluminum
Cover
SST Center
SST Cover
Dimension
in.
mm
in.
mm
in.
mm
in.
mm
B
7.7
197
8.3
210
7.7
197
8.3
210
C
10.8
273
10.8
273
10.8
273
10.8
273
D
6.0
152
6.0
152
6.0
152
6.0
152
E
15.9
404
15.9
403
15.9
404
15.9
403
F
16.8
427
16.3
414
16.8
427
16.3
414
G
18.3
465
17.8
451
18.3
465
17.8
451
H
19.6
497
19.0
482
19.6
497
19.0
482
J
1.5
38
1.4
37
1.5
38
1.4
37
K
0.25
6
0.25
6
0.25
6
0.25
6
L
6.0
152
6.0
152
6.0
152
6.0
152
M
4.8
121
5.2
133
4.8
121
5.2
133
308441
31
Technical Data
Maximum fluid working pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 psi
(0.8 MPa, 8 bar)
Air pressure operating range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20–120 psi
(0.14 –0.8 MPa, 1.4–8 bar)
Maximum air consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 scfm
Air consumption at 70 psi/60 gpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 scfm (see chart)
Maximum free-flow delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 gpm (378.5 l/min)
Maximum pump speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 cpm
Gallons (Liters) per cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 (1.9)
Maximum suction lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 ft (5.48 m) wet or dry
Maximum size pumpable solids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3/16 in. (4.8 mm)
* Maximum noise level at 100 psi, full flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 dBa
* Sound power level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 dBa
* Noise level at 70 psi, 50 cycles/min . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 dBa
Maximum operating temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150F (65.5C);
200F (93.3C) for models with PTFE diaphragms
Air inlet size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 npt(f)
Fluid inlet size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 npt(f)
Fluid outlet size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 npt(f)
Wetted parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Vary by Model. See pages 22–24.
Non-wetted external parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . aluminum, 302, 316 stainless steel, polyester (labels)
Weight
Aluminum pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.5 lb (15.2 kg)
Stainless steel pumps with aluminum center section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 lb (32.7 kg)
Stainless steel pumps with stainless steel center section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 lb (40 kg)
Geolast
is a registered trademarks of the ExxonMobil Chemical Co.
Santoprene is a registered trademarks of the Monsanto Co.
Loctiter is a registered trademark of the Loctite Corporation.
*
32
Noise levels measured with the pump mounted on the floor, using Rubber Foot Kit 236452. Sound power
measured per ISO Standard 9216.
308441
Performance Chart
Example of Finding Pump Air Consumption and Air Pressure at a Specific Fluid Delivery and Discharge Head:
To supply 60 gpm (227 liters) fluid flow (horizontal scale) at 40 psi (0.28 MPa, 2.8 bar) discharge head pressure (vertical scale) requires approximately 50 scfm (1.40 m/min) air consumption at 70 psi (0.49 MPa, 4.9 bar) inlet air pressure.
feet
(meters)
280
(85.3)
240
(73.2)
200
(61.0)
160
(48.8)
psi
(MPa, bar)
120
(0.8, 8)
A
100
(0.7, 7.0)
INLET AIR PRESSURES
E
B
A
120 psi air (0.8, 8 bar)
B
100 psi air (0.7, 7 bar)
C
70 psi air (0.49, 4.9 bar)
D
40 psi air (0.28, 2.8 bar)
80
(0.56, 5.6)
AIR CONSUMPTION
F
C
60
(0.42, 4.2)
120
(36.6)
80
(24.4)
40
(12.2)
G
40
(0.28, 2.8)
E
20 scfm (0.56 m/min)
F
40 scfm (1.12 m/min)
G
60 scfm (1.68 m/min)
H
80 scfm (2.24 m/min)
D
20
(0.14, 1.4)
H
0
0
0
15
30
45
60
75
90
105
120
(57)
(114)
(170)
(227)
(284)
(341)
(397)
(454)
FLUID FLOW GPM (lpm)
TEST CONDITIONS
Pump tested in water with PTFE diaphragm and inlet
submerged.
KEY
FLUID PRESSURE AND FLOW
SCFM AIR CONSUMPTION
308441
33
Graco Standard Husky Pump Warranty
Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or
limited warranty published by Graco, Graco will, for a period of five years from the date of sale, repair or replace any part of the equipment determined by Graco to be defective. This warranty applies only when the equipment is installed, operated and maintained in
accordance with Graco’s written recommendations.
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by
faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of non–Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of
Graco equipment with structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture,
installation, operation or maintenance of structures, accessories, equipment or materials not supplied by Graco.
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for
verification of the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts. The
equipment will be returned to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect
in material or workmanship, repairs will be made at a reasonable charge, which charges may include the costs of parts, labor, and
transportation.
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT
NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.
Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other
remedy (including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or property, or any
other incidental or consequential loss) shall be available. Any action for breach of warranty must be brought within six (6) years of the
date of sale.
GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD
BUT NOT MANUFACTURED BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches,
hose, etc.), are subject to the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making
any claim for breach of these warranties.
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment
hereunder, or the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract,
breach of warranty, the negligence of Graco, or otherwise.
FOR GRACO CANADA CUSTOMERS
The Parties acknowledge that they have required that the present document, as well as all documents, notices and legal proceedings
entered into, given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les parties reconnaissent avoir convenu que la rédaction du présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires
exécutés, donnés ou intentés, à la suite de ou en rapport, directement ou indirectement, avec les procédures concernées.
Graco Information
For the latest information about Graco products, visit www.graco.com.
For patent information, see www.graco.com/patents.
TO PLACE AN ORDER, contact your Graco distributor or call to identify the distributor closest to you:
Phone: 612–623–6921 or Toll Free: 1–800–328–0211 Fax: 612–378–3505
All written and visual data contained in this document reflects the latest product information available at the time of publication.
Graco reserves the right to make changes at any time without notice.
Original instructions. This manual contains English. MM 308441
Graco Headquarters: Minneapolis
International Offices: Belgium, China, Japan, Korea
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
Copyright 1995, Graco Inc. is registered to ISO 9001
www.graco.com
Revision ZAG, March 2015
34
308441

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