Graco Inc. 800-064 Pressure Washer User Manual
1 i t.
This manual contains
READ AND RETAIN FOR REFERENCE
800-064 SERIES A
1500 psi(103 bar) OPERATING
bar) MAXIMUM WORKING
, ~ ~ ~ ~ , ~ ~ ~ ~ ~ ~ ~ " ~ ~ ~ ~ ~ , ~ ~ ~ * ~ ~ ~ ~ ~ ~ ~ ' ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ F i
Fluids under high pressure from spray or leaks can penetrate the skin and cause extremely serious injury, including the need for amputation.
Do not spray flammable liquids.
not operate the engine where combustible fumes or dust may present. be
NEVER point the spray gun at anyone or any part of the body.
G A S
~ W E ~ A ~ K
NEVER put hand or fingers over the spray tip,
NEVER fill fuel tank while engine is running
Avoid the possibility of spilled fuel causing a fire.
Always refuel slowly to avoid spillage.
NEVER try to stop or deflect leaks with your hand or body.
have the tip guard in place when spraying.
NEVER operate engine in a closed building unlessthe exhaust is piped outside. The exhaust contains carbon monoxide, a poisonous, odorlessand invisible
~ ~ ~ ~ ~ F \ m E ~ ~
~~~~~~~~~~~~~~~~~~ possibly death.
S O ~ $ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
If any fluid appears to penetrate your skin,
D O NOT
&S A SIMPLE GUT.
Tell the doctor exactly what fluid was iniected. For treatment instruction's have your doctor call the
POISON CENTER NETWORK
NEVER make adjustments on machinery while it is connected to the engine; first remove the ignition cable from the spark plug. Turning over the machinery by hand during adjusting might start the engine and machinery. causing serious injury to the operator. or cleaning
NEVER run the engine with governor disconnected. or operats a t speeds in excess of
Even after you shut off the gasoline engine, there is high pressure in the pump, hose and gun until you release it by triggering the gun. So before removing the spray tip or servicing the unit, always shut offthe unit and trigger the gun to release pressure.
When starting the engine, maintain from moving parts of the equipment. a safe distance g:
E A h
~ " ~
Be sure that all accessory items and system components will withstand the pressure developed.
NEVER exceed the pressure rating of any component in system..NEVER alter or modify equipment -your personal safety, as well as the function of the equipment, isatstake. Maximum working pressure
1800 PSI (124 bar).
Before each use, check hose for weak, worn or damaged conditions caused by traffic, sharp corners, pinching or kinking. Tighten all fluid connections securely before each use. Replace any damaged hose.
NEVER run the unit with the belt guard removed. precautions. Avoid getting detergent or other liquids in your eyes. Follow the directions on the container regarding contact with eyes. nose, and skin, breathing fumes, etc. Always wear full goggles to protect your eyes from the spray as wejl as any debris dislodged by the spray. If necessary. wear gloves or other protective clothing. If antidotes or treatment are recommended, be prepared
not use chemicalsor agentswhich are not compatible with Buna-N and PVC or neoprene cover of hose.
D O N 1
spray toxic chemicals such as insecticide or weed killer.
Do not leave a pressurized off the
~ ~ ~
~ ~ .
~ ~ ~ ~ ~ ~
~ , ~ ~
~ ~ ~
should be consulted in connection with your use of airless spray equipment.
.~ .. . . .
~ ~ ~ ~ ~ ~ ~ ~ ~ * ~ ~ ?
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
ENGINE KILL LEVER
Refer to the engine instruction booklet provided with the unit.
Connect To Water Supply
Install Hose and Spray Gun
Connect the spray hose to the spray gun by inserting the pin a t the end of the hose into the quick disconnect coupler the fluid outlet on the gun. Connect the hose t o in the same way.
Before attaching to water supply. check local plumbing code regarding cross-connection to water supply.
Do not exceed 1 60°F (70%) water temperature to pump in a direct supply system.
For spraying detergent
other cleaning solution, we recommend using a chemical injector kit.
Accessories and instruction manual 801-645 for
Connect a hose w i t h at least a
ID from your city water supply to the unit's
3/4 in. garden hose threaded inlet. The supply hose should not be more than 5 0 ft.
installation and operation.
For a direct supply system. your wafer source at the unit
have a flow rate of
For removing rust and old paint we recommend using a water sandblaster. See Accessoriesand instruction manual 801-646 for installation and operation.
LEAST 5 GPM (19 LITER/MINJ.
contact our Customer Service Department for assistance.
-. setup instructions.
Check the oil and gasoline levels daily.
Turn on the water supply
Trigger the gun to release any back pressure
NOT wire or tie the gun
Set the choke and open the fuel valve.
For easier starting, hold the gun trigger open while pulling the rope.
Put your foot on the frame or wheel to steady the unit when you pull the starter rope. Hold the gun in your left hand with the trigger open while starting the engine.
Grasp the starter rope grip and rapidly pull out the cord two or three feet (1 m). Repeat if necessary with the choke opened slightly. When the engine starts, im- mediately release the gun trigger. Open the choke gradually.
Never run the cleaning unit dry. Costlydamage to is completely turned on before operating.
Inspect all connections for necessary. any leaks. Tighten if
For Hydra-Clean technique. see the Chemical Injector manual, 801 -645.
For abrasive cleaning, manual,
801 -646. see the Water Sandblaster
1. Shut off the cleaning unit and trigger the gun to relieve pressure. Engage the trigger safety.
2. Keep the nozzle and the tube pointed away from you and everyone else.
Do not put your hand over the tip to push the nozzle into place. Grasp it from the side and keep your fingers away from the tip.
Do not let anyone else touch the spray valve while you are cleaning nozzles.
5. Be sure the slip ring is pushed forward to lock the nozzle in place before triggering the spray
~~~ ~~~ ~
S h u t d o w n a n d Care Of Unit
When unit is not in use, turn off water supply
When shutting down for the day or weekend, shut off unit, shut off water supply valve, and trigger gun to release pressure. Wipe off the unit with a damp rag.
Shut off cleaning unit when not actually spraying. for longer pump life. The pump will overheat if left running for over 10 minutes without spraying.
Check the filter screen in the water inlet connection as often as necessary. at least daily. Do not operate the unit with the inlet and filter screen removed.
DO NOT try to adjust the unloader valve or change the sive pressure, interminent unloader operation, wasted fuel and increased wear on parts and will void the warranry.
PUMP MUST NOT BE RUN DRY and must be drained of water prior to exposure to freezing temperatures. Use and store the unit where it will not be subjected to freezing temperatures. If water does freeze in the unit, thaw before trying to start. A 50% anti-freeze solution may be pumped prior to cold weather storage.
Use only spray tips that are matched to the unit to avoid excessive cycling and wear of the unloader valve. See
ACCESSORIES. temperature change plungers.
~~ ~~ ~~ may crack
Do not pump caustic materials. the ceramic
Before extended storage, flush the pump with light oil.
Avoid dragging hose over an abrasive surface such as cement. This causes excessive wear and shorter hose life.
Clean the intake line strainer daily.
Lubrication and Care
Change the engine oil after every 100 hoursof opera- tion. Drain oil with e'ngine warm. Engine requires
pints (1.4 liters) 30W oil. See separate instruction manual for maintenance procedures.
Fill pump crankcase to dot on oil gauge window with
(0.47 liters) of crankcase oil (part no.
801-14441 or equivalent SAE 40 weight hydraulic oil with antiwear and rust inhibitor additives. Change initial fill after 50 hour running period. Change oil &ery
3 months or a t
XI0 hour intervals.
ingine Will Not Start
)r Hard To Start.
Engine Misses Or Lacks
No gasoline in fuel tank or carburetor.
Water in gasoline or old fuel.
Fill the tank with gasoline, open fuel shut-off valve.
Check fuel line and carburetor.
Drain fuel tank and carburetor.
Use new fuel and dry spark plug.
Choked improperly. Flooded engine.
Dirty carburetor air filter.
Spark plug dirty or improper gap.
Spray gun closed. clear out the gas.
Remove and clean.
Clean, adjust the gap or replace.
Partially plugged air filter.
Spark plug dirty, wrong gap, or wrong type.
Incorrect ignition timing.
Trigger spray gun.
Remove and clean.
Clean, adjust the gap, or replace.
Replace w i t h nozzle of proper size.
Tighten or replace; use correct beltsand replace both at same time.
Disassemble, reseal, and reassemble.
Relief valve stuck, partially plugged or improperly adjusted; valve seat worn.
Clean, and adjust relief valve; check for worn and dirty valve seats. Kit available.
Inlet suction strainer clogged
01 improper size.
Clean. Use adequate size. Check more frequently.
Worn packing. Abrasives in pumped fluid or severe cavita- tion. Inadequate water supply.
Install proper filter. Check flow available to pump.
Nater kaka he manifolcf! e from under valves.
Worn inlet or discharge valves.
Leakv discharge hose
Replace worn valves, valve seats and/or discharge hose.
'ump runs extremely rough
Restricted inlet or air entering the inlet plumbing.
Inlet restrictions and/or air leaks. Stuck inlet or discharge valve.
Leaking H.P. seals.
Pro er size inlet plumbing; check for air tight sear
Install new packing.
Nater in pump crankcase. May be caused by humid air the crankcase.
Change oil at
Oil month or
200 hours) P.N.
Hour intervals using
(other ap roved oil every month or
)f the packmg.
Damaged or worn plungers.
Abrasive material being pumped. in the fluid
Excessive pressure and./or temperature of fluld bemg pumped.
Over pressure of pumps.
Running pump dry.
Reduce inlet pressure.
Install proper filtration on pump inletplumbing. jure they are w i t h i n specifled range.
not run pump without water. strong surging at the inlet nnd low pressure on the lischarge side.
Foreign particles in the inlet or discharge valve, or worn inlet and/or discharge valves.
:heck for smooth lap surfaces on inlet and
$ischar e valve seats. Discharge valve seats and
.. . .
Pressure Washer Assembly,
see parts drawing/list page
TIP. 0006 MEG, 1/4
TIP, 1506 MEG, 1/4
kt., 1 x 1 -3/4"
5/16-18 x 1"
3/6-16 x 1-1/4"
x 20 MM
1 /4-20 NC x
HOSE, H.P.. 1/4 x 50 ft.
34 '801 -552
TIP. 2506 M E G I 1/4
TIP. 4006 MEG. 1/4
Order p a r k b y name and series letter of the assembly for which you are ordering.
'Recommended "tool bow" spare parts.
PSI (103 bar) Max.
Unloader Assembly, 800-132'
NO. NO. DESCRIPTION
Order parts by name and series letter
of the assembly for
which you are ordering.
. . . .
. ~ . . ~ . ,
. . . . . .
Three sizes of metric wrenches are necessary for servicing the
M10 and M 6 Allen wrench. pump;
2. Examine O-ring
(4) under plug and replace if cuts or distortion exist.
3. Remove valve unit and O-ring
Valve unit may comeapartduring removal.
4. Replace valve unit with P/N 801 -472.
5. Replace hex plug and torque t o 7 5 f t . Ibs.
Hex plug should be re-torqued after 5 hours operation.
1. Remove the eight Allen head cap screws (1) from the manifold using the M6 Allen wrench.
Lubricate each plunger and carefully slide manifold onto crankcase.
9. Replace the eight capscrews and snug them
(2.2 K/m). up.
The eight capscrews must be torqued evenly to apply equal pressure on the manifold
so that it seats properly and doesn't bind or jam. This is best done by torquing bolts closest to the center of the manifold first and then working out from those bolts.
Use packing repair kit PIN 801-662.
After removing the eight capscrews and the manifold carefully pull packing retainer (14) from the manifold. Examine O-ring (15) and replace if necessary.
Remove low pressure packing (12) and head ring
Pull intermediate retainer ring(l3)from manifold,
It may be necessary to tap manifold lightly with mallet to loosen.
Carefully examine each plunger (21) for any scoring and replace if necessary.
Loosen plunger retaining screw (17) 5-6 turns, using "10 wrench. Push plunger towards crankcase. This retaining screw. will separate plunger and
2. Remove retaining screw from plunger and examine O-ring (1
bearing/gasket washer (18). Replace if necessary using plunger repair kit P/N 801-663.
Remove plunger from plunger rod and remove copper flinger (22). Clean or replace if necessary. on plunger rod.
5. Replace plunger.
6. Lightly grease retaining screw assembly to avoid cutting O-ring. Lightly grease outer end of plunger.
7. Install retaining screw assembly into plunger and torque to 14.4 ft.
Ibs. (2 K/m).
Inspect all parts and replace if necessary.
If just the packings are'needed use kit
801-662. If rings or retainers need replacement use kit 801
5 . Thoroughly clean packing cavity in manifold and examine. Lightly grease packing cavity.
Replace packing assembly in the following order:
1). packing (12), packing retainer(l41 and O-ring (15).
Carefully study the location of each part and the position of the seals to assure proper reassembly and operation.
Lubricate each plunger and carefully slide manifold onto crankcase.
When replacing .the manifold onto plungers, extreme caution should be exercised
8. Replace the eight capscrews in the manifold and tighten as previously described (step
9 under servicing plungers).
. . . . -. . . .
VALVE UNIT OIL SEAL KIT
801 -472 801 -658
~ 1 5 ~ 1 6
*Three kits needed
N O .
PLUNGER RETAINING SCREW
HOSE CONN. NUT
HOSE, low pressure
UNLOADER ASSEMBLY. see parts drawing/list. page
33 801 -090
QUICK COUPLE, male
39 801 -524
Order parrs by name and series letter of the assembly for
which you are ordering.
access plate (14) by sliding plate backwards.
19 m m socket wrench.
Check inside housing to be
O-rings came out when cartridge was removed. If O-ring can be seen inside the housing, remove it, being careful not to damage internal threads in housing.
3. Throw away old cartridgeand install newcartridge using a small amount of pipe sealant on threads.
sure totighten cartridgefirmlyagainst housing.
4. Slide access plate into place and install access pin.
17 '801 -202
SPRAY GUN, lreDlaceable
pans include items
ACCESS P M T E
O-RING. quick couple
by name and series letter
which you are ordering.
"tool box" spare parts.
the assembly for
4 cycle, single cylinder air cooled, 7 hp
GASOLINE TANK 4 quarts (3.79 liter) capacity
WATER PUMP: 1500 PSI (103 bar) mar. pressure; 3-1 /2 GPM
WEITED PARTS: Stainless Steel. Aluminum.
Phenolic Plastic. Ceramic
Liners, Nitrile Rubber.
UNIT WEIGHT: 156 Ib I71 kg1
Widlh: 28" (711 mm)
24" (610 mm)
MAX. WATER TEMPERATURE: 160°
INLET HOSE CONNECTION: 3 / 4 garden hose (I)
THE GRACO WARRANTY
material and workmanshlp under
This warranty extends to the ortglnal
is installed and operated
accordance with written factory recommendations
This warrantydoes not
wear which. in the reasonable judgment of Graco, awes from misuse. abrasion.
negligence. accident, SubstltUtion of "on-Gram parts. faulty installation or tampering.
Thts warranty is conditmned upon the prepad return equipment clalmed
by Graco to verify the claimed defect. If the claimed defect is
or replace free of charge. any defective parts. verified.
Graco will repam
The equipment will be returned to the origlnal purchaser transportation prepald. If mspection of the equpment does not disclose any defect in warkmanshipor material, repam will bemadeatareasonablechargeandreturntransportation will be charged.
OR IMPLIED) INCLUDING WARRANTY OF MERCHANTABILITY OR WARRANTY
PARTICULAR PURPOSE AND
ANY NON-CONTRACTUAL LIABILITIES INCLUDING PRODUCT
LIABILITIES BASED O N NEGLIGENCE OR STRICT LIABILITY. EVERY FORM OF L l A B l L l N FOR
DIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES
LOSS IS EXPRESSLY EXCLUDED AND
EOUIPMENT NOT COVERED BY GRACO WARRANTY. Accessor~es components of equcpment sold
G r a m that are
Graco (such as electric motors, SwtCheS, hose, etc.)are
Graco will provide purchaserwlfh reasonable
Detroit. Los Angeles, West Caldwell (N.J.1
Subsidiary end Affiliate Companies: Canada: England: Switzerland: France; Germany:
Hang Kongi Japsn
GRACO IMC. P.Q. BOX 844'1 MINMEAPQLBS, MN 55440-1444
PRINTED IN U.S.A.
801-641 4/85 45-10058
. . . .... . . . .....,..
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project