Graco 308441J Husky 1590 Air-Operated Diaphragm Pumps Owner's Manual

INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
308–441
First choice when
quality counts.
Rev. J
Supersedes Rev. H
INSTRUCTIONS
Husky 1590 Air-Operated
Diaphragm Pumps
120 psi (0.8 MPa, 8 bar) Maximum Fluid Working Pressure
120 psi (0.8 MPa, 8 bar) Maximum Air Input Pressure
*Model No. DB3–______ Aluminum Pumps
*Model No. DB4–______ Stainless Steel Pumps
Model No. 232–502 Private-Label Aluminum 1590 Pump (See page 22.)
*NOTE: Refer to the Pump Matrix on page 22 to
determine the Model No. of your pump.
US and Foreign Patents Pending
Aluminum Model
Shown
03263A
GRACO INC.
P.O. BOX 1441 MINNEAPOLIS, MN
http://www.graco.com
COPYRIGHT 1994, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
55440–1441
Table of Contents
Safety Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Service
Repairing the Air Valve . . . . . . . . . . . . . . . . . . . . . . 14
Ball Check Valve Repair . . . . . . . . . . . . . . . . . . . . . 16
Diaphragm Repair . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Bearing and Air Gasket Removal . . . . . . . . . . . . . 20
Pump Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Repair Kit Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Performance Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Graco Standard Warranty . . . . . . . . . . . . . . . . . . . . . . 32
Graco Phone Number . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Symbols
Warning Symbol
WARNING
This symbol alerts you to the possibility of serious
injury or death if you do not follow the instructions.
Caution Symbol
CAUTION
This symbol alerts you to the possibility of damage to
or destruction of equipment if you do not follow the
instructions.
WARNING
WARNING
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.
INSTRUCTIONS
D This equipment is for professional use only.
D Read all instruction manuals, tags, and labels before operating the equipment.
D Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor.
D Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
D Check equipment daily. Repair or replace worn or damaged parts immediately.
D 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.
D 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.
D 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.
D Do not use hoses to pull equipment.
D Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose Graco hoses to temperatures above 82_C (180_F) or below –40_C (–40_F).
D Do not lift pressurized equipment.
D Comply with all applicable local, state, and national fire, electrical, and safety regulations.
WARNING
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 8.
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 4.
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 8.
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.
Installation
General Information
D 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.
D Always use Genuine Graco Parts and Accessories.
Refer to Product Data Sheet 305–646.
D Pump: Connect a ground wire and clamp as shown
in Fig. 1. Loosen the grounding lug locknut (W) and
washer (X). Insert one end of a 12 ga (1.5 mm@)
minimum ground wire (Y) into the slot in the lug (Z)
and tighten the locknut securely. Connect the clamp
end of the ground wire to a true earth ground.
Order Part No. 222–011 Ground Wire and Clamp.
D Reference numbers and letters in parentheses refer
to the callouts in the figures and the parts lists on
pages 24–25.
D Lift the pump by grasping the outlet manifold (1)
securely. See Fig. 3 on page 7.
Y
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.
1. Read TOXIC FLUID HAZARD on page 3.
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.
Grounding
WARNING
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 3.
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.
Z
X
W
Fig. 1
D Air and fluid hoses: Use only grounded hoses with
a maximum of 500 ft (150 m) combined hose
length to ensure grounding continuity.
D Air compressor: Follow the manufacturer’s recommendations.
D All solvent pails used when flushing, according to
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.
D Fluid supply container: Follow the local code.
Installation
Mountings
c.
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 8.
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 236–452 is available to
reduce noise and vibration during operation.
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” (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.
Fluid Suction Line
1. Use grounded fluid hoses (G). The pump fluid
inlet (R) is 1–1/2” 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.
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.
4. See the Technical Data on page 29 for maximum
suction lift (wet and dry).
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.
1. Use grounded fluid hoses (L). The pump fluid
outlet (S) is 1–1/2” npt(f). Screw the fluid fitting into
the pump outlet securely.
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.
308-441
5
Installation
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 4
for installation instructions)
B
C
D
S
K
L
Y
R
6
E
A
J
Fig. 2
F
H
G
03265A
308-441
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 to 120–150 in–lb (14–17 N.m).
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).
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.
KEY
N
P
1/2 npt(f) air inlet port
101 Covers
Muffler. Air exhaust port
102 Fluid inlet manifold
is 3/4 npt(f) .
103 Fluid outlet manifold
R 1.5 npt(f) fluid
106 Manifold and cover
inlet port
screws
S 1.5 npt(f) fluid
112 Bottom cover screws
outlet port
Apply medium-strength (blue) Loctite or equivalent to the
threads. Torque to 120–150 in-lb (14–17 N.m).
KEY
R
S
V
103
106
Fluid Pressure Relief Valve
1.5 npt(f) fluid inlet port
1.5 npt(f) fluid outlet port
Pressure relief valve (Order Part No. 110–134 for
aluminum pumps, Part No. 112–119 for stainless steel pumps)
Install valve between fluid inlet and outlet ports.
Connect fluid inlet line here.
S
Connect fluid outlet line here.
S
N
106
V
101
112
P
R
102
R
Fig. 3
Aluminum Model Shown
03263A
03461A
Fig. 4
308-441
7
Installation
Air Exhaust Ventilation
The air exhaust port is 3/4 npt(f). Do not restrict the air
exhaust port. Excessive exhaust restriction can cause
erratic pump operation.
WARNING
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 3, 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
D
C
D
E
F
P
T
U
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
Grounded air exhaust hose
Container for remote air exhaust
T
U
P
03267A
Fig. 5
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.
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.
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.
1. Shut off the air to the pump.
5. Close the fluid drain valve (J). See Fig. 2.
2. Open the dispensing valve, if used.
6. Close the pump air regulator (C). Open all bleedtype master air valves (B, E).
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 the 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 4.
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.
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.
308-441
9
Maintenance
Lubrication
Tightening Threaded Connections
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.
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.
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.
Flushing and Storage
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 9.
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.
At least every six months, check and retorque all
threaded connections, including manifold screws,
cover screws, and air valve screws.
Preventive Maintenance Schedule
Establish a preventive maintenance schedule, based
on the pump’s service history. This is especially important for prevention of spills or leakage due to diaphragm failure.
Notes
Troubleshooting
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 9.
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 7).
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.
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.
Service
Repairing the Air Valve
3{
2
Tools Required
D Torque wrench
4{
D Torx screwdriver or 8 mm (or 5/16”) socket wrench
D Needle-nose pliers
D O-ring pick
D Lithium base grease
NOTE: Air Valve Repair Kit 236–273 is available.
Refer to page 23. Parts included in the kit are marked
with a symbol, for example (3{). Use all the parts in
the kit for the best results.
Disassembly
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 9.
1. Relieve the pressure.
Torque to 28–33 in–lb
(3.2–3.7 N.m).
2. With a torx screwdriver or 8 mm (or 5/16”) socket
wrench, remove the six screws (3), air valve cover
(2), and gasket (4). See Fig. 6.
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.
See Detail at right.
Grease.
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.
03268A
5
{6
{7
18{
5. Inspect the valve plate (8) in place. If damaged,
use a torx screwdriver or 8 mm (or 5/16”) socket
wrench to remove the three screws (3). Remove
the valve plate (8) and seal (9). See Fig. 9.
5
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.
Fig. 7
03269
Service
Reassembly
1
Insert narrow end first.
2
Grease.
3
Install with lips facing
narrow end of piston (11).
Insert wide end first.
4
10
2
2. 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.
4
3. Install the valve plate (8) in the cavity. The plate is
reversible, so either side can face up. Install the
three screws (3), using a torx screwdriver or 8
mm (or 5/16”) socket wrench. Tighten until the
screws bottom out on the housing. See Fig. 9.
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
Rounded side must face down.
3
2
Tighten screws until
they bottom out on the
housing.
8
9
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
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 screwdriver or 8 mm (or
5/16”) socket wrench. Torque to 28–33 in–lb
(3.2–3.7 N.m). See Fig. 6.
Fig. 9
03271
308-441
15
Service
Ball Check Valve Repair
Tools Required
D Torque wrench
D 13 mm socket wrench
D O-ring pick
1
Apply medium-strength (blue) LoctiteR or equivalent to the
threads. Torque to 120–150 in–lb (14–17 N.m).
2
Arrow (A) must point toward
outlet manifold (103).
3
Not used on some models.
4
Beveled seating surface
must face ball (301).
Disassembly
1
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.
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 9.
201*
4
202*
3
101
A
2
1. Relieve the pressure. Disconnect all hoses.
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.
301*
4. Remove the o-rings (202, not used on some
models), seats (201), and balls (301) from the
manifold.
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).
Reassembly
201*
4
202*
3
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
308-441
106
Fig. 10
1
03272A
Service
Diaphragm Repair
Tools Required
D Torque wrench
D 13 mm socket wrench
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 9.
D 15 mm socket wrench (aluminum models) or
1” socket wrench (stainless steel models)
D 19 mm socket wrench
D O-ring pick
D 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.
1. Relieve the pressure.
2. Remove the manifolds and disassemble the ball
check valves as explained on page 16.
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.
Apply medium-strength (blue) LoctiteR or equivalent to
the threads. Torque to 120–150 in–lb (14–17 N.m).
Arrow (A) must point toward air valve (B).
B
23
101
A
Fig. 11
106
112
03273B
308-441
17
Service
4. Loosen but do not remove the diaphragm shaft
bolts (107), using a 15 mm socket wrench (1” on
stainless steel models) on both bolts.
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.
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 socket wrench,
and remove the bolt (107) from the shaft. Disassemble the remaining diaphragm assembly.
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:
a. Install the o-ring (108*) on the shaft bolt (107).
b. Install the fluid side diaphragm plate (105) on
the bolt so the rounded side faces in, toward
the diaphragm (401).
c.
OnPTFE 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.
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 N.m) at 100
rpm maximum.
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 120–150 in–lb (14–17 N.m).
7. Reassemble the ball check valves and manifolds
as explained on page 16.
Service
19
402*
1
105
2
107
5
403*
1
3
24
104
4
7
6
1
401*
3
Cutaway View, with Diaphragms in Place
03274A
24
03275A
Cutaway View, with Diaphragms Removed
4
104
7
401*
3
403*
6
3
105
2
1
108*
24
4
107
1
Lips face out of housing (1).
2
Rounded side faces diaphragm (401).
3
Air Side must face center housing (1).
4
Grease.
5
Apply medium-strength (blue) Loctite or equivalent.
Torque to 20 to 25 ft-lb (27 to 34 N-m) at 100 rpm
maximum.
6
Used on pumps withPTFE diaphragms only.
7
Recessed side faces diaphragm (401).
5
03276B
Fig. 12
308-441
19
Service
Bearing and Air Gasket Removal
Tools Required
D Torque wrench
D 10 mm socket wrench
D Bearing puller
D O-ring pick
D 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 9.
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.
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. Remove the air cover gaskets (22). Always replace
the gaskets with new ones.
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) LoctiteR 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 N.m).
6. Install the diaphragm assemblies and fluid covers
as explained on page 17.
7. Reassemble the ball check valves and manifolds
as explained on page 16.
Service
12
Insert bearings tapered end first.
Press-fit bearings flush with surface of center housing (1).
Apply medium-strength (blue) Loctite or equivalent. Torque
to 130–150 in–lb (15–17 N.m).
15
1
Detail of Air Valve Bearings
16
19
H
22
03277
M
23
25
03278A
Fig. 13
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 24–25. 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
232–502*
aluminum
aluminum
–
Hytrel
acetal
Hytrel
D (for all pumps)
B (aluminum)
1 (not used)
–
1 (not used)
1 (PTFE )
1 (PTFE )
2 (not used)
–
2 (not used)
2 (acetal)
2 (not used)
3 (aluminum)
–
3 (316 sst)
3 (not used)
3 (not used)
4 (stainless steel)
–
4 (17–4 PH sst)
4 (440C sst)
4 (not used)
5 (not used)
–
5 (Hytrel)
5 (Hytrel)
5 (Hytrel)
–
6 (Santoprene)
6 (Santoprene)
6 (Santoprene)
–
7 (not used)
7 (not used)
7 (not used)
–
8 (Viton)
8 (Viton)
8 (Viton)
–
9 (polypropylene)
9 (not used)
9 (not used)
–
A (Kynar)
A (not used)
A (not used)
* 232–502, Aluminum 1590 Pump, Series A
Model No. 232–502 is a private-label aluminum 1590 pump. Other than the label, it is the same
as Model No. DB3–525.
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. 236–273 (see page 25). 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 r)
1 (PTFE r)
–
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 (Hytrelr)
5 (Hytrelr)
5 (Hytrelr)
–
6 (Santoprener)
6 (Santoprener)
6 (Santoprener)
–
7 (not used)
7 (not used)
7 (not used)
–
8 (Vitonr)
8 (Vitonr)
8 (Vitonr)
–
9 (polypropylene)
9 (not used)
9 (not used)
–
A (Kynarr)
A (not used)
A (not used)
Parts
Air Motor Parts List (Matrix Column 2)
Fluid Section Parts List (Matrix Column 3)
Ref.
Digit No.
Part No.
Description
Qty
Ref.
Digit No.
Part No.
Description
Qty
B
1
188–838
HOUSING, center; alum.
1
3
101
189–401
COVER, fluid; aluminum
2
2
188–854
COVER, air valve; alum.
1
102
189–402
MANIFOLD, inlet;
aluminum
1
3{
114–023
SCREW; M5 x 0.8;
12 mm (0.47 in.)
9
103
189–403
MANIFOLD, outlet;
aluminum
1
4{
188–618
GASKET, cover; foam
1
104
189–308
188–855
CARRIAGE; aluminum
1
PLATE, air side;
aluminum
2
5
6{
108–730
O-RING; nitrile
1
105
189–843
2
7{
188–616
BLOCK, air valve; acetal
1
PLATE, fluid side;
carbon steel
8
188–615
PLATE, air valve; sst
1
106
112–416
SCREW; M10 x 1.25;
35 mm (1.38 in.); sst
24
9{
188–617
SEAL, valve plate; buna-N
1
107
189–410
2
10{
112–181
PACKING, u-cup; nitrile
2
BOLT; M12 x 1.75;
55 mm (2.17 in.); 316 sst
11
188–612
PISTON, actuator; acetal
2
108*
104–319
O-RING; PTFE
2
12
188–613
BEARING, piston; acetal
2
110
Y
188–970
LABEL, warning
1
15
188–611
BEARING, pin; acetal
2
111
112–889
MUFFLER
1
16
188–610
PIN, pilot; stainless steel
2
112
112–417
4
17{
157–628
O-RING; buna-N
2
SCREW; M10 x 1.50;
90 mm (3.54 in.); sst
18{
188–614
BLOCK, pilot; acetal
1
101
189–411
COVER, fluid; sst
2
19
188–609
BEARING, shaft; acetal
2
102
189–412
MANIFOLD, inlet; sst
1
20
104–029
STUD, grounding
1
103
189–413
MANIFOLD, outlet; sst
1
21
104–582
WASHER, tab
1
104
189–308
PLATE, air side;
aluminum
2
22
188–603
GASKET, air cover; foam
2
105
189–309
PLATE, fluid side; sst
2
23
189–400
COVER, air; aluminum
2
106
112–416
189–245
SHAFT, diaphragm; sst
1
SCREW; M10 x 1.25;
35 mm (1.38 in.); sst
24
24
25
112–178
SCREW; M8 x 1.25;
25 mm (1 in.)
12
107
189–410
BOLT; M12 x 1.75;
55 mm (2.17 in.); 316 sst
2
108*
104–319
O-RING; PTFE
2
110
Y
188–621
LABEL, warning
1
111
112–889
MUFFLER
1
112
112–417
SCREW; M10 x 1.50;
90 mm (3.54 in.); sst
4
4
Parts Drawing
2
3{
{4
11
5
{10
{17
16
{18
6{
7{
8
{3
9{
16
17{
12
110Y
10{
11
22
21
20
106
23
103
15
25
111
301*
1
402* 19
201*
202*
24
106
104
101
401*
Aluminum Model Shown
Not used on some models.
Used onPTFE models only.
403*
105
108*
107
*201
* 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.
{
202*
102
These parts are included in Air Valve Repair Kit 236–273,
which may be purchased separately.
Y Replacement Danger and Warning labels,
tags and cards are available at no cost.
112
*301
106
03279B
Parts
Seat Parts List (Matrix Column 4)
Diaphragm Parts List (Matrix Column 6)
Ref.
Digit No.
Part No.
Description
Qty
Ref.
Digit No.
Part No.
Description
Qty
3
201*
189–318
SEAT; 316 stainless steel
4
1
401*
189–425
112–418
O-RING; PTFE
4
DIAPHRAGM, backup;
Hytrel
2
202*
201*
189–319
SEAT; 17-4 stainless steel
4
402*
112–181
PACKING, u-cup; nitrile
2
202*
112–418
O-RING; PTFE
4
403*
189–424
DIAPHRAGM; PTFE
2
201*
189–322
SEAT; Hytrel
4
401*
189–425
DIAPHRAGM; Hytrel
2
202
None
Not Used
0
402*
112–181
PACKING, u-cup; nitrile
2
201*
189–320
SEAT; Santoprene
4
401*
189–426
DIAPHRAGM; Santoprene
2
202*
112–418
O-RING; PTFE
4
402*
112–181
PACKING, u-cup; nitrile
2
201*
189–323
SEAT; Viton
4
401*
189–427
DIAPHRAGM; Viton
2
202
None
Not Used
0
402*
112–181
PACKING, u-cup; nitrile
2
201*
189–321
SEAT; polypropylene
4
202*
112–418
O-RING; PTFE
4
201*
189–732
SEAT; Kynar
4
202*
112–418
O-RING; PTFE
4
4
5
6
8
9
A
Ball Parts List (Matrix Column 5)
Ref.
Digit No.
Part No.
Description
Qty
1
301*
112–419
BALL; PTFE
4
2
301*
112–423
BALL; acetal
4
4
301*
112–420
BALL; 440C stainless
steel
4
5
301*
112–831
BALL; Hytrel
4
6
301*
112–421
BALL; Santoprene
4
8
301*
112–422
BALL; Viton
4
5
6
8
Notes
Dimensions
PUMP MOUNTING HOLE PATTERN
FRONT VIEW
7.75 in.
(197 mm)
6.0 in.
(152.5 mm)
1/2 npt(f)
Air Inlet
3/4 npt(f)
Air Exhaust
17.75 in.
(489 mm)
16.25 in.
(412.5 mm)
10.55 in.
(268 mm)
6.0 in.
(152.5 mm)
6.0 in.
(152.5 mm)
19 in.
(482.5 mm)
3.0 in.
(76 mm)
14.94 in.
(379.5 mm)
SIDE VIEW
5.23 in.
(132.5 mm)
1.5 npt(f) Outlet Port
45°
.45 in.
(11.5 mm)
1.5 npt(f) Inlet Port
6.0 in.
(152.5 mm)
10.46 in.
(265.5 mm)
7438A
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150_F (65.5_C);
200_F (93.3_C) for models with PTFE R 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 22–25.
Non-wetted external parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . aluminum, 302 stainless steel, polyester (labels)
Weight
Aluminum pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.5 lb (15.2 kg)
Stainless steel pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 lb (38.6 kg)
PTFE , VitonR, and HytrelR
SantopreneR is a registered trademark of the Monsanto Co.
KynarR is a registered trademark of Atochem North America, Inc.
*
Noise levels measured with the pump mounted on the floor, using Rubber Foot Kit 236–452. Sound power
measured per ISO Standard 9216.
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)
psi
(MPa, bar)
280
(85.3)
120
(0.8, 8)
240
(73.2)
A
100
(0.7, 7.0)
200
(61.0)
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)
160
(48.8)
AIR CONSUMPTION
F
C
60
(0.42, 4.2)
120
(36.6)
G
40
(0.28, 2.8)
80
(24.4)
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)
40
(12.2)
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 withPTFE diaphragm and inlet
submerged.
KEY
FLUID PRESSURE AND FLOW
SCFM AIR CONSUMPTION
Notes
Manual Change Summary
This manual went from Rev. H to Rev. J to add aluminum pump Model No. 232–502.
Graco Standard Warranty
Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the
date of sale by an authorized Graco distributor 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 twelve months 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 two (2) 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 procedures concernées.
Graco Phone Number
TO PLACE AN ORDER, contact your Graco distributor, or call this number to identify the distributor closest to you:
1–800–367–4023 Toll Free
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.
Sales Offices: Minneapolis, Detroit, Los Angeles
Foreign Offices: Belgium, Canada, England, Korea, France, Germany, Hong Kong, Japan
GRACO INC.
P.O. BOX 1441 MINNEAPOLIS, MN
55440–1441
http://www.graco.com
PRINTED IN U.S.A.
308–441
November 1994, Revised November 1997

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