Graco Pressure Washer 3A0465C User Manual

Instructions  
G-Force Direct-Drive Pressure Washer 3A0465C  
EN  
-For high pressure water cleaning-  
-For outdoor use only-  
IMPORTANT SAFETY INSTRUCTIONS  
Read all warnings and instructions in this manual.  
SAVE THESE INSTRUCTIONS.  
Model Horse Power and Maximum Working  
Motor Brand  
Pressure  
PSI MPa bar  
2500 17.24 172.4  
2700 18.62 186.2  
3000 20.68 206.8  
3500 24.13 241.3  
2525  
2730  
3030  
3540  
160cc Honda  
200cc Honda  
270cc Honda  
390cc Honda  
proven quality. leading technology.  
37-1097 020813  
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The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The  
exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-spe-  
cific risks. When these symbols appear in the body of this manual, refer back to these Warnings. Product-  
specific hazard symbols and warnings not covered in this section may appear throughout the body of this  
manual where applicable.  
CONTENTS  
Installation & Preparation instructions........................ 7  
Storage & Maintenance Instructions......................... 14  
Pump............................................................................. 14  
Pump Service: 2525 Model Pressure Washers ......... 17  
Pump Service: 2730 Model Pressure Washers ......... 18  
Pump Service: 3030 And 3540 Model Pressure  
WARNING  
IMPORTANT USER INFORMATION  
The engine exhaust from this product contains chemicals known to the State of California to cause cancer,  
birth defects or other reproductive harm.  
This product contains one or more chemicals known to the State of California to cause cancer and birth  
defects or other reproductive harm.  
The following is required by California State law, Section 4442 of the California Public Resources Code.  
Other states may have similar laws. Federal laws apply on federal lands.  
• A spark arrester must be added to the muffler of this engine if it is to be used on any forest covered,  
brush covered or grass covered unimproved land. The arrester must be maintained in effective working  
order by the operator.  
• See your engine or equipment dealer for spark arrester muffler options.  
SPRAY PRECAUTIONS  
Risk of injection or severe cutting injury. If an accident does occur and the spray appears to have pen-  
etrated the skin, seek emergency medical care. Do not treat as a simple cut. If you are using cleaning  
agents, be prepared to tell a physician exactly what kind.  
Keep clear of nozzle.  
• Do not direct discharge stream at persons or pets.  
• Only trained operators should use this product. When operating this unit, basic precautions should  
always be observed.  
• Keep away from the spray. Because of the high pressure and velocity of the spray, fluids can penetrate  
the skin, causing serious injury.  
• Never point the gun at yourself or anyone else. Never put your hand, fingers or body directly over the  
spray nozzle. Always keep operating area clear of all persons. Use extreme caution when operating  
near children.  
Always wear protective goggles when operating the unit to shield the eyes from flying debris and deter-  
gents. Other protective equipment such as rubber suits, gloves and respirators are advisable, especially  
when using cleaning detergents. Use extreme caution when operating near children.  
• Stay alert-watch what you are doing. Do not operate the unit when fatigued or under the influence of  
alcohol or drugs.  
• Never squeeze the trigger unless securely braced. The thrust from the water traveling through the  
nozzle may be powerful enough to cause the operator to lose balance if unprepared. Do not overreach  
or stand on unstable support. Wet surfaces can be slippery, wear protective foot gear and keep good  
footing and balance at all times. Never trigger the gun while on a ladder or roof.  
Caution should be used when directing spray toward fragile materials such as glass. Shattering could  
result in serious injury.  
• Always hold on firmly to the gun/wand assembly when starting and operating the unit. Failure to do so  
can cause the wand to fall and whip dangerously. Never operate the gun with the trigger wired in the  
open position. To prevent accidental discharge, the trigger gun should be securely locked when not in  
use.  
THIS SPARK IGNITION SYSTEM COMPLIES WITH  
CANADIAN ICES-002.  
CE SYSTÈME D’ALLUMAGE PAR ÈTINCELLE EST  
CONFORME À LA NORME NMB-002 DU CANADA.  
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WARNING  
WARNING  
• Do not direct spray on or into electrical installations of any kind! This includes electrical outlets, light  
bulbs, fuse boxes, transformers, etc. Severe electrical shock may occur.  
MISCEllANEOUS SAFETY PRECAUTIONS  
Never allow children or adolescents to operate this unit.  
• Even after you shut off the unit, there is high pressure water left in the pump, hose and gun until you  
release it by triggering the gun. Before removing the spray nozzle or servicing the unit, always shut off  
the unit and trigger the gun to release trapped pressure.  
Read and follow all handling, operations, maintenance and safety instructions listed in this manual and the  
engine operator’s manual that accompanies this unit, and provide such information to anyone who will be  
operating this unit.  
FIRE & VENTIlATION PRECAUTIONS  
In freezing temperatures, the unit must always be warm enough to ensure there is no ice formation in the  
pump. Do not start this unit if it has been transported in an open or under heated vehicle without first al-  
lowing the pump to thaw.  
• This unit was designed for outdoor use only. Never operate this unit in an enclosed area. Always make  
certain there is adequate air (oxygen) for combustion as well as ventilation to prevent the presence of  
poisonous carbon monoxide gases. Beware of poorly ventilated areas or exhaust fans which can cause  
inadequate combustion or engine overheating.  
When connecting the water inlet to the water supply mains, local regulations of your water company must  
be observed. In some areas the unit must not be connected directly to the public drinking water supply.  
This is to ensure that there is no feedback of the detergents into the water supply. (Direct connection is  
permitted if a back flow preventer is installed.)  
• Never operate this unit in the presence of flammable vapors or combustible dust, gases or other com-  
bustible materials. (A spark may cause an explosion or fire.) When servicing this machine, be especial-  
ly careful to properly dispose of any flammable materials. Do not spray flammable liquids.  
Do not allow any part of your body or the high pressure hose to make contact with the muffler. Avoid  
dragging the hose over an abrasive surface such as cement. This causes wear and eventual rupturing.  
• Do not smoke while filling engine fuel tank  
• Never fill the engine fuel tank while the unit is running or hot. Allow the engine to cool two minutes  
before refueling.  
High pressure hoses should be inspected daily for signs of wear. If evidence of failure exists, promptly re-  
place all suspect hoses to prevent the possibility of injury from the high pressure spray. If a hose or fitting  
is leaking , never place your hand directly on the leak.  
• Do not refuel indoors or in a poorly ventilated area.  
Do not operate the unit without all protective covers in place.  
• Always refuel slowly to avoid the possibility of spilled fuel which may cause a risk of fire.  
Never run the unit with the governor disconnected or operate at excessive speeds.  
• Do not operate the unit if gasoline is spilled. Wipe unit clean and move the unit away from the spill.  
Avoid creating any ignition until the gasoline has evaporated.  
To reduce the risk of injury, maintain a safe distance for persons while operating this unit. Close supervi-  
sion is necessary when operating the unit near children.  
• Do not store the unit near an open flame or any equipment such as a stove, furnace, water heater, etc.,  
which utilizes a pilot light or devices which can create a spark.  
Do not leave pressurized unit unattended. Shut off the unit and release trapped pressure before leaving.  
Do not move the unit by pulling on the hose.  
CARBON MONOXIDE HAZARD  
Exhaust contains poisonous carbon monoxide, which is colorless and odorless. Breathing carbon monox-  
ide can cause death.  
ADjUSTMENT PRECAUTIONS  
• Never alter or modify the equipment, be sure any accessory items and system components being used  
will withstand the pressure developed. Use only genuine parts for repair of your pressure washer. Fail-  
ure to do so can cause hazardous operating conditions and will void warranty.  
• Do not operate in an enclosed area.  
DETERGENT ClEANING PRECAUTIONS  
• Never make adjustments to the machinery while it is connected to the engine without first removing the  
ignition cable from spark plug. Turning the machinery over by hand during adjustment or cleaning might  
start the engine and machinery with it, causing serious injury to the operator.  
• Do not use solvents or highly corrosive detergents or acid type cleaners with this pressure washer.  
• Know your detergent. Be prepared to tell a physician exactly what you are using in the event of an  
emergency. Read the Material Safety Data Sheet (MSDS) provided with your detergent and all deter-  
gent labels. Follow all appropriate instructions regarding preparation use, safety and transportation.  
Keep all detergents out of the reach of children.  
• Know how to stop the pressure washer and bleed pressures quickly. Be thoroughly familiar with con-  
trols.  
• Before servicing the unit; turn the unit off, relieve the water pressure, and allow the unit to cool down.  
Do not make repairs while unit is running. Service in a clean, dry, flat area. Block the wheels to prevent  
the unit from moving.  
• Do not use this pressure washer to dispense hazardous detergents.  
• Do not alter the detergent injection feature in any manner not prescribed in this manual. Use only genu-  
ine replacement parts for necessary repairs.  
• Follow the maintenance instructions specified in this manual.  
BURN HAZARD  
PERSONAl PROTECTIVE EQUIPMENT  
Equipment surfaces and fluid that’s heated can become very hot during operation. To avoid severe burns:  
• Do not touch hot fluid or equipment.  
You must wear appropriate protective equipment when operating, servicing, or when in the operating area  
of the equipment to help protect you from serious injury, including eye injury, hearing loss, inhalation of  
toxic fumes, and burns. This equipment includes but is not limited to:  
• Protective eyewear, and hearing protection.  
• Respirators, protective clothing, and gloves as recommended by the detergent manufacturer.  
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INSTAllATION & PREPARATION  
INSTRUCTIONS  
Component Identification  
Do not allow the unit to be exposed to rain, snow or  
freezing temperatures. If any part of the unit becomes  
frozen, excessive pressure may build up in the unit  
which could cause it to burst resulting in possible seri-  
ous injury to the operator or bystanders.  
Attire  
Proper attire is essential to your safety. It is advised to  
utilize whatever means necessary to protect eyes, ears,  
and skin. Additional safety attire (such as respiratory  
mask) may be required when using detergent cleaning  
agents with this washer.  
Before initial use, ensure the oil cap/dipstick is inserted  
into the pump. Because of varying shipping require-  
ments, the pump may need to be shipped with an oil  
travel plug instead of the dipstick in the pump. If your  
pump has been shipped with an oil travel plug, you  
will need to remove it and replace the plug with the oil  
dipstick provided with the unit.  
Setup  
This unit should only be placed on a level surface to en-  
sure proper lubrication for the engine and water pump  
while operating.  
Once properly installed, check the oil sight glass on the  
pump crankcase. Be certain the oil level is in the center  
of the sight glass before each use. If the level appears  
to be low, add pump oil and fill only to the center of the  
oil sight glass. (Refer to the parts listing for the correct  
pump oil) do not overfill!  
Do not use unit in an area:  
• with insufficient ventilation.  
• where there is evidence of oil or gas leaks.  
• where flammable gas vapors may be present.  
Be certain to block the wheels to prevent the unit from  
moving while operating.  
Item Description  
1.  
Detergent Strainer  
2.  
Detergent Hose  
3.  
Water Inlet  
4.  
Water Inlet Strainer  
Water Outlet  
5.  
6.  
Decal - Warning/Caution/Operation  
Oil Sight Glass  
7.  
8.  
Pump  
9.  
Adjustable Unloader Knob  
Decal - Caution: Risk Of Fire  
Decal - Warning: Risk Of Burns  
Engine  
10.  
11.  
12.  
13.  
14.  
15.  
16.  
17.  
Thermal Relief Valve  
High Pressure Discharge Hose  
Gun Assembly  
Decal - Warning: Risk Of Injection  
Quick Connect Nozzle  
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The 0° nozzle (RED): This is a blasting nozzle. It deliv-  
ers a very concentrated stream of water. Be cautious  
when using the straight narrow stream. It is not recom-  
mended for use on painted or wood surfaces, or items  
attached with adhesive backings. Uses: Removing  
weeds from sidewalk cracks, stubborn stains from con-  
crete, masonry, aluminum and steel, caked mud from  
equipment, and cleaning lawn mower undersides.  
1. Using a screw driver, remove the screen from the water  
INSTAllATION & PREPARATION  
INSTRUCTIONS  
INSTAllATION & PREPARATION  
INSTRUCTIONS  
inlet.  
2. Clean or replace if necessary.  
Engine Fuel Tank  
Connect the hoses.  
1. Connect one end of the water supply hose to the water  
inlet of the unit.  
2. Connect the other end of the hose to your pressurized  
water supply.  
Nozzle Connection  
Review “Fire & Ventilation Precautions” pg. 4, before  
fueling.  
Be certain the trigger gun is locked in the “OFF” posi-  
tion.  
The 15° nozzle (YELLOW): This is a chiseling nozzle.  
The spray should be directed at a 45° angle to the  
surface and used like a scraper to remove paint, grease  
and dirt. Uses: Surface preparation (removing mildew  
stains and paint chips).  
Note: Do not use a non-pressurized water supply (i.e.  
from a pond or well) with this unit.  
Locate the Safety Decals on your unit and heed their  
warnings.  
3. Connect the high pressure discharge hose to the water  
outlet of the unit.  
A minimum of 86 octane fuel is recommended for use  
with this unit. Do not mix oil with gasoline.  
The 25° nozzle (GREEN): This is a flushing nozzle.  
This pattern is best suited for flushing dirt, mud, and  
grime. Uses: Wet sweeping leaves from walks, curbs  
and driveways, cleaning stable floors, washing swim-  
ming pool bottoms, degreasing engines.  
4. Securely connect the other end of the hose to the  
gun assembly. (A wrench may be required on some  
models.)  
5. Connect the wand assembly to the gun/hose  
assembly.  
Purchase fuel in quantities that may be used within 30  
days. Use of clean, fresh lead free gasoline is recom-  
mended. Leaded gasoline may be used if lead-free is  
unavailable. Do not use gasoline containing methanol  
or alcohol.  
The 40° nozzle (WHITE): This is a wash nozzle. This  
wide spray pattern disperses the water pressure over a  
large area and is recommended for moderate washing.  
Uses: Washing down aluminum siding, cleaning win-  
dows, washing vehicles, spraying sidewalks, driveways  
and patios. (not available for Model 2525)  
Follow the incoming water requirements listed below:  
Check the engine oil level before starting the engine.  
(See engine manual.)  
The nozzle assembly should be disconnected from  
the gun/wand assembly at this time by retracting the  
locking ring on the quick-connect fitting to remove the  
nozzle.  
1. Water pressure must be a minimum of 25 pounds per  
square inch (PSI) and a maximum of 125 PSI. (A typical  
outdoor faucet will generally supply this PSI if turned  
completely “ON”.)  
Fill the fuel tank according to accompanying engine  
manual instructions.  
Occasional carburetor and choke adjustments will be  
necessary for the engine. Refer to the engine manual  
supplied with this unit for proper adjustment proce-  
dures.  
2. Incoming GPM must be approximately one gallon more  
than the outgoing GPM stated on the pressure washer  
nameplate. (You can check GPM by timing how long  
it takes to fill a 5 gallon container.)  
The 65° nozzle (BLACK): This is a low pressure de-  
tergent application nozzle. This broad spray pattern  
distributes solution over vast areas under low pressure.  
Uses: Detergent application, misting or rinsing.  
Review the engine manual accompanying this pressure  
washer for correct engine start-up and maintenance  
procedures.  
NOTICE  
Incoming water temperature must not exceed 125°F  
for Model 2525, and 145°F for other models. Exces-  
sive pump damage may result if the water tempera-  
ture exceeds this acceptable level.  
Nozzle Review  
Water Supply  
Select a water supply hose which is a quality grade of  
garden hose measuring at least 3/4” ID and no longer  
than 50 feet.  
Various nozzles may be quick-connected into the end  
of the wand to change the spray pattern or use the  
detergent feature. When using Quick Connects (Q.C.),  
be certain the connection is securely locked. If not,  
the high pressure water may shoot the nozzle from the  
wand, causing severe injury or serious damage.  
NOTICE  
Damage to the equipment could occur. Never allow  
the unit to operate without the incoming water line  
attached and the water supply completely turned on.  
Check the water inlet strainer to ensure it is clean and  
free of any obstructions. Periodic cleaning of the water  
strainer will help prevent pump problems.  
NOTICE  
To determine spray fan, refer to the actual number  
stamped on the nozzle. The first two digits indicate the  
spray fan in degrees, i.e.; 0=0°, 15=15°, 25=25°, 40 =  
40°, 65=detergent/low pressure.  
As a strainer becomes obstructed, it restricts proper  
flow of water to the pump. This can result in cavita-  
tions which will cause premature failure of pump  
packings.  
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Thermal Relief Valve  
INSTAllATION & PREPARATION  
INSTRUCTIONS  
OPERATING INSTRUCTIONS  
NOTICE  
To ensure the water temperature does not exceed  
acceptable levels, never allow the pressure washer to  
operate in the bypass mode (with the unit running and  
the trigger gun closed) for more than three minutes.  
Be certain the nozzle is not connected to the unit  
while priming the pump. Priming allows mineral de-  
posits to be released from the system which would  
obstruct or damage the nozzle assembly resulting in  
costly repairs.  
Priming the Pump  
It is essential to prime the pump on initial start-up and  
each time the water supply is disconnected from the  
unit after initial use.  
Unloader  
The unloader will either be adjustable or factory preset  
depending on the model you purchased.  
A “thermal relief valve” has been added to this unit to  
protect the pump. It may begin to open and release  
water if the water temperature in the pump has ex-  
ceeded 140°F. This will allow fresh, cool water to enter  
the system.  
1. Lay the high pressure hose out to remove any loops.  
Water flow will constrict the hose, creating tight loops  
if the hose is not straight.  
Adjustable  
The unloader valve on your machine is equipped with  
an adjustment knob to adjust the pressure. Should  
less pressure be required, simply turn the adjustment  
knob counterclockwise. To set back to maximum, turn  
adjustment knob completely clockwise. Do not over-  
tighten.  
Note: The nozzle assembly should not be connected  
to the gun assembly at this time. See “Nozzle Connec-  
tion” pg. 9.  
Pre-Start Inspection Procedures  
Before starting the unit, perform the following proce-  
dures:  
2. With the trigger gun locked in the “OFF” position, turn  
the water supply completely on. Pointing the gun in a  
safe direction, unlock the trigger gun and squeeze the  
trigger.  
1. Check the oil level in the pump and engine.  
2. Inspect the water inlet strainer. Clean or replace if  
necessary. See “Water Supply” pg. 9.  
3. Check all hose connections to ensure they are securely  
tightened. See “Water Supply” pg. 9.  
Low pressure water will begin flowing from the hose/  
gun assembly. This allows the unit to prime and purge  
any air from the system. The unit is primed when water  
flow is uninterrupted by air.  
3. Once the unit is primed, release the trigger and lock  
the gun in the “OFF” position. Securely connect the  
nozzle assembly. (See “Nozzle Connection” pg. 9)  
Factory Preset (2525 DD Only)  
Inspect for system fuel leaks. If a fuel leak is found,  
do not start unit. See “Fire & Ventilation Precau-  
tions” pg. 4. Be sure that all damaged parts are  
replaced and that the mechanical problems are cor-  
rected prior to operation of the unit. If you require  
service, contact Graco Customer Service.  
The unloader valve on your machine is factory preset  
and should only be adjusted by a trained representative.  
Do not adjust the pressure on your own.  
Inspect high pressure hoses for kinking, cuts and  
leaks. If a cut or leak is found, do not use hose.  
Replace hose before starting unit. See “Miscel-  
laneous Safety Precautions” pg. 5. Be sure that all  
damaged parts are replaced and that the mechani-  
cal problems are corrected prior to operation of the  
unit. If you require service, contact Graco Customer  
Service.  
NOTICE  
Do not overtighten the unloader. Breakage could  
result in immediate loss of water pressure and  
costly repairs.  
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3. To apply solution; unlock the trigger gun and squeeze  
the trigger. In a few moments a detergent/water mixture  
will exit the low pressure nozzle. Start spraying the  
lower portion of the surface being cleaned and move  
up, using long overlapping strokes. Applying from the  
bottom up helps avoid streaking. Allow to soak briefly.  
Do not allow detergent solution to dry on the surface.  
(Avoid working on hot surfaces or in direct sunlight to  
minimize the chances of the detergent drying, which  
may result in damaging painted surfaces.) Be certain  
to rinse a small section at a time.  
4. To rinse; lock the trigger gun in the “OFF” position,  
securely quick-connect the desired high pressure  
nozzle into the end of the wand. Unlock the trigger gun  
and spray. It will take about 30 seconds to purge all  
detergent from the line. For best rinsing results, start  
at the top and work down.  
OPERATING INSTRUCTIONS  
OPERATING INSTRUCTIONS  
Start-Up  
Cleaning with Detergents  
Inspect high pressure hoses for kinking, cuts and  
leaks. If a cut or leak is found, do not touch hose at  
leak. Turn unit off immediately. Replace hose before  
restarting the unit. See “Miscellaneous Safety Pre-  
cautions” pg. 5. Be sure that all damaged parts are  
replaced and that the mechanical problems are cor-  
rected prior to operation of the unit. If you require  
service, contact Graco Customer Service.  
Refer to the “Safety Precautions” pgs. 3-5 before start-  
ing the unit.  
Refer to “Detergent Cleaning Precautions” pg. 4 before  
working with detergents. Be certain to wear protective  
safety attire.  
Locate the Safety Decals on your unit and heed their  
warnings.  
Prepare detergent solution according to label directions.  
Never pump acids, alkaline, abrasive fluids or solvents  
through the unit.  
6. Trigger the gun several times. Be certain to lock the  
trigger gun in the “OFF” position whenever changing  
the quick connect nozzles.  
Never look directly into the nozzle. High pressure water  
creates a risk of severe injury.  
Some units are equipped with adjustable detergent  
knobs. Locate the clear vinyl hose which leads to the  
pump head.  
1. With the gun locked in the “OFF” position, point the  
trigger gun away from yourself or anyone else. Ensure  
the water supply is completely turned on.  
2. Disengage the safety lock-off on the gun and squeeze  
the trigger. Low pressure water will begin flowing from  
the nozzle.  
3. Be certain the trigger gun remains in an open position  
while starting the engine. Brace yourself as the gun  
will kickback from the high pressure created by the  
pump once the engine has started.  
4. Steady the unit during engine start-up. (Refer to the  
engine manual accompanying this pressure washer for  
the correct procedures needed to start the engine.)  
5. Once the engine has started, perform the following  
procedures with the gun open:  
NOTICE  
Do not allow unit to operate in bypass mode (with  
trigger closed) for more than three minutes without  
triggering the gun. Failure to follow this simple rule  
can cause premature failure of pump packing seals,  
resulting in costly pump repair.  
• If your injector is equipped with an adjustment knob  
on the pump head, you may adjust the amount of  
detergent desired by turning the knob completely  
counterclockwise to set at the maximum siphon rate.  
• If your injector is not equipped with an adjustment  
knob, the detergent ratio is preset and cannot be  
adjusted.  
5. Siphon a gallon of water through the low pressure  
detergent injection system after each use. This  
prevents the possibility of corrosion or detergent  
residue causing mechanical problems during the next  
use.  
Because your pressure washer delivers a high pressure  
spray and a variety of spray patterns, there are many  
cleaning jobs that can be done without the use of de-  
tergents. If a cleaning agent is required, see “Cleaning  
With Detergents” pg. 13 for the correct procedures.  
Shutdown  
1. Immerse the detergent strainer into the detergent  
solution to allow detergent to siphon.  
2. With the trigger gun locked in the “OFF” position,  
secure quick-connect the detergent spray nozzle  
(#6540° BLACK) into the end of the wand.  
1. Turn engine “OFF” as directed in the engine manual.  
2. Turn the water supply “OFF”.  
NOTICE  
Do not allow spray pattern to remain on a fixed area  
for an extended period of time. Possible damage  
may occur to the area.  
3. Pointing the gun in a safe direction, trigger gun  
momentarily to relieve any trapped pressure.  
4. Once pressure is relieved, disconnect the nozzle  
assembly.  
5. Disconnect and drain gun, wand and hoses.  
6. Wipe unit clean and store with gun, wand and hoses  
in a safe, non-freezing area.  
Inspect for system oil leaks and fuel leaks. If a fuel leak  
is found, turn unit off immediately. See “Fire & Ventila-  
tion Precautions” pg. 4. Be sure that all damaged parts  
are replaced and that the mechanical problems are  
corrected prior to operation of the unit. If you require  
service, contact Graco Customer Service.  
Note: This injection system is designed to apply deter-  
gents under low pressure only. It will not allow deter-  
gent solutions to be introduced into the system unless  
the nozzle assembly is in the low pressure detergent  
mode.  
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3. Relieve system pressure by pointing the trigger gun in  
a safe direction and squeezing the trigger until water  
flow ceases to exit the nozzle.  
4. Lock the trigger gun in an OFF position and remove  
the nozzle.  
5. In one 5 gallon container, mix the antifreeze and water  
according to manufacturer’s recommendations for the  
temperature to which you are winterizing.  
Nozzles  
STORAGE & MAINTENANCE  
INSTRUCTIONS  
STORAGE & MAINTENANCE  
INSTRUCTIONS  
Water flow through the spray nozzle will erode the ori-  
fice, making it larger, resulting in a pressure loss. Noz-  
zles should be replaced whenever pressure is less than  
85% of the maximum. The frequency of replacement  
will depend upon such variables as mineral content in  
the water and number of hours the nozzle is used.  
Engine  
Winterizing  
The engine instructions that accompany your unit detail  
specific procedures for maintenance of the engine. Fol-  
lowing the engine manufacturer’s recommendations will  
extend engine work life.  
For storage and transportation purposes in subfreezing  
ambient temperatures, it will be necessary to winter-  
ize this unit. This unit must be protected to the lowest  
incurred temperature for the following reasons:  
Quick Couplers  
Note: Proper winterizing is based on the recommend-  
ed manufacturer’s instructions listed on the “Protec-  
tion Chart” shown on the back label of most antifreeze  
containers.  
There is an o-ring seal inside the female quick coupler.  
This o-ring will deteriorate or, if the unit is allowed to  
pump without the high pressure hose or nozzle at-  
tached, the o-ring may be blown out occasionally.  
Simply insert a replacement o-ring to correct the leak.  
(Additional o-rings can be purchased from your dealer.)  
Pump  
The pump oil must be changed after the first 25 hours  
of operation on all units. Once the initial oil change has  
been completed, it is recommended the oil be changed  
every 3 months or 250 hour intervals. If oil appears  
dirty or milky, changes may be required at a greater  
frequency. Add pump oil and fill only to the center of  
the sight glass (Refer to the parts listing for the correct  
pump oil). Do not overfill.  
• If any part of the pumping system becomes frozen;  
excessive pressure may build up in the unit which  
could cause the unit to burst resulting in possible  
serious injury to the operator or bystanders.  
The pumping system in this unit may be permanently  
damaged if frozen. Freeze damage is not covered by  
warranty.  
6. Remove the water supply hose from the unit and  
attach the 3 foot hose securely to the inlet connection.  
Submerge the other end into the antifreeze solution.  
7. Shut off the detergent injector if applicable.  
8. Point the wand into the empty container and start the  
unit.  
9. Trigger the gun until the antifreeze begins to exit the  
wand. Release the trigger for 3 seconds, then trigger  
the gun for 3 seconds. Continue cycling the gun  
several times until all the antifreeze mixture is siphoned  
from the container.  
If you must store your unit in an area where the tem-  
perature may fall below 32°F, you can protect your unit  
by following the procedure outlined below.  
10 Stop the unit.  
11. Detach the 3 foot hose from the unit and drain any  
excess antifreeze back into the 5 gallon container.  
12 Disconnect the hose/gun/wand assembly from the unit  
and drain any excess antifreeze back into the 5 gallon  
container.  
32˚F  
0˚C  
13. Store the hose, gun and wand with the unit in a safe,  
non-freezing area.  
14. Store antifreeze solution for next use or dispose of  
according to state EPA laws.  
NOTICE  
Do not store/operate unit in a freezing environment.  
Damage to washer could occur.  
Optional Procedure:  
1. Shut the unit and water supply off.  
Gather the following items:  
2. Relieve system pressure by pointing the trigger gun in  
a safe direction and squeezing the trigger until water  
flow ceases to exit the nozzle.  
3. Disconnect and drain the hose, gun and wand.  
4. Start the unit and allow it to run until all the water exits  
the unit. Once the water has stopped flowing from the  
unit, turn the unit off.  
Two 5 gallon containers.  
One gallon of antifreeze. (Graco® recommends an  
environmentally safe antifreeze.)  
• Water supply.  
• Three foot hose, 1/2-3/4 I.D. with a 3/4 inch male  
garden hose fitting.  
Procedure:  
NOTICE  
1. To start winterizing, unit must be run and primed  
according to the “Start-up Procedures” listed on page  
12.  
2. After running and priming, shut off the unit and water  
supply.  
When using this procedure, caution should be used  
as ice chips can form from drops of water which  
could cause the unit to burst if starting before com-  
pletely thawed.  
14  
15  
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Servicing V-Packings  
PUMP SERVICE: 2525 MODEl  
PRESSURE WASHERS  
Troubleshooting  
Cause  
1. Remove manifold as described in Valve Replacement  
Problem  
Solution  
Section.  
Engine will not start.  
Various engine problems.  
Refer to the engine manual accom-  
panying your unit.  
2. Remove white retaining ring, this may be stuck on the  
Repair kits are available. See the Parts List, page 24.  
For the best results, use all parts in kits.  
piston.  
3. Remove packing from manifold.  
4. Inspect all parts and replace as necessary.  
5. Thoroughly clean packing cavities and inspect for  
damage.  
6. Lightly grease packing cavities. Replace packings in  
the following order:  
Unit components are frozen.  
Allow to thaw. If any part of the unit  
becomes frozen; excessive pres-  
sure may build up in the unit which  
could cause the unit to burst result-  
ing in possible serious injury to the  
operator or bystanders.  
Follow Shutdown Procedure, page 13, to relieve system  
pressure.  
• Drain and refill pump after 25 hours of operation.  
• packing  
retainer ring  
No discharge at nozzle when trig-  
ger mechanism is squeezed.  
Inadequate water supply.  
Ensure hose is 3/4” (19.05mm) di-  
ameter and incoming water supply  
is turned on.  
For Outlet Valves  
1. Remove hex plug from the manifold using a 14mm  
wrench.  
2. Examine o-ring located under hex plug. Replace if cut  
or distorted.  
3. Remove valve assembly from cavity. The assembly  
may come apart!  
NOTICE  
Low or fluctuating pressure.  
Kink in water inlet hose.  
Remove kink.  
Packings must be installed in the proper order and  
facing the correct direction. Improperly installed  
parts will cause the pump to malfunction.  
Kink in high pressure discharge  
hose.  
Replace hose.  
Water inlet screen obstructed.  
Remove screen, clean or replace.  
7. Remove brass retainer located around the piston.  
Pump sucking air. (Prime eliminated)  
Tighten all water intake connec-  
tions. Eliminate leaks in intake line.  
4. Install new valve, o-ring and hex plug. Torque to 14.75  
ft-lb (20 Nm)  
8. Remove the outer and inner o-rings on the brass  
retainer.  
Not in high pressure mode.  
Insert a high pressure nozzle.  
Remove, clean or replace.  
9. Replace o-rings, reinstall brass retainer around  
piston.  
Note: Re-torque the plug after 5 hours operation.  
Obstructed or worn spray nozzle.  
For Inlet Valves  
Damaged or obstructed valve as-  
sembly on pump.  
Remove, inspect, clean or replace.  
10. Reassemble manifold. Torque hex bolt to 14.75 ft-lb  
1. Remove 4 hex bolts from the manifold using a 6mm  
(20 Nm).  
hex bit.  
Pump packing worn.  
Replace packings.  
2. Carefully separate manifold from crankcase. You may  
have to lightly tap the manifold with a soft mallet to  
loosen it.  
Bypass valve not operating correctly. Repair or replace.  
Water is leaking from the “Heat  
Dump Valve”.  
Water temperature is too high.  
Do not allow the unit to operate in  
the bypass mode (with trigger gun  
closed) for more than 3 minutes.  
3. Using a screwdriver, press valves out of the manifold  
through the 3 holes located on the backside of the  
manifold (look for the stainless valve seats through the  
holes).  
Defective valve.  
Water in oil.  
Replace.  
Oil appears milky or foamy.  
Oil leaking from unit.  
Change pump oil. Fill to proper  
level.  
4. Remove the valve.  
Do Not Use.  
Contact Customer Service.  
5. Install new o-ring. Then install new valve assembly.  
Detergent will not siphon into Low  
Pressure Detergent mode.  
Detergent strainer is not completely  
submerged in detergent solution.  
Check, submerge if necessary.  
Reinsert brass plugs.  
6. Reinstall manifold to pump. Torque hex bolts to 14.75  
Detergent strainer is obstructed.  
Detergent hose cut, obstructed.  
Inspect, clean or replace.  
Inspect, clean or replace.  
ft-lb (20 Nm).  
Servicing Plungers or Internal Bearings  
Detergent adjusting knob on pump  
turned to closed position. (If appli-  
cable.)  
Open adjusting knob. Refer to  
“Cleaning with Detergents” pg.13.  
1. Damage to the plungers or any internal parts in the  
pump housing is considered a catastrophic failure  
and is not recommended for service. Replace pump if  
necessary.  
Not in low pressure mode.  
Nozzle assembly is plugged.  
Insert 6540° (BLACK) nozzle.  
Clean or replace.  
Too many high pressure hose exten-  
sions attached to the water outlet.  
Use one extension maximum.  
Ball and Spring in Venturi stuck.  
Remove, clean or replace.  
Remove, clean or replace.  
Water flows back into detergent  
Ball and Spring in Venturi reversed,  
container.  
missing or corroded.  
Water flows from the nozzle when  
the trigger gun is locked in the  
“OFF” position.  
Gun is malfunctioning.  
Repair or replace.  
17  
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5. Lightly grease the flinger (and oil seal if it is being  
replaced) on plunger shaft. Then install plunger.  
6. Lightly grease the retaining screw and outer end of the  
plunger. Place washer, o-ring and backup ring around  
screw and install nut through plunger. Torque to 11.0  
ft-lb (15 Nm).  
6. Lightly grease the retaining screw and outer end of the  
plunger. Place washer, o-ring and backup ring around  
screw and install nut through plunger. Torque to 11.0  
ft-lb (15 Nm).  
PUMP SERVICE: 2730 MODEl  
PRESSURE WASHERS  
PUMP SERVICE: 3030 AND 3540  
MODEl PRESSURE WASHERS  
Repair kits are available. See the Parts List, page 28  
(2730B). For the best results, use all parts in kits.  
Repair kits are available. See the Parts List, page 32,  
34. For the best results, use all parts in kits.  
Note: If replacing packings, see Servicing V-Packings.  
7. Lubricate outside of each plunger. Slide the manifold  
on the crankcase, being careful not to damage seals.  
8. Install caP screws and washers finger tight. Torque  
screws 14.7 ft-lb (20 Nm) following the tightening  
pattern in the following figure.  
Note: If replacing packings, see Servicing V-Packings.  
7. Lubricate outside of each plunger. Slide the manifold  
on the crankcase, being careful not to damage seals.  
8. Install capscrews and washers finger tight. Torque  
screws to 8.8 ft-lb (12 Nm) following the tightening  
pattern in the following figure.  
Follow Shutdown Procedure, page 13, to relieve system  
pressure.  
Follow Shutdown Procedure, page 13, to relieve system  
pressure.  
• Drain and refill pump after 25 hours of operation.  
• Drain and refill pump-after 25 hours of operation.  
5
8
1
3
4
2
7
6
Valves  
Valves  
For a set of six valves, order Valve Assembly Kit  
804402.  
For a set of six valves, order Valve Assembly Kit  
804402.  
5
8
1
3
4
2
7
6
1. Remove hex plug from the manifold using a 22mm  
wrench.  
1. Remove hex plug from the manifold using a 27mm  
wrench.  
2. Examine o-ring located under hex plug. Replace if cut  
or distorted.  
2. Examine o-ring located under hex plug. Replace if cut  
or distorted.  
3. Remove valve assembly from cavity. The assembly  
may come apart!  
4. Install new valve, o-ring and hex plug. Torque to 60  
ft-lb (81 Nm)  
3. Remove valve assembly from cavity. The assembly  
may come apart!  
4. Install new valve, o-ring and hex plug. Torque to 73  
ft-lb (99 Nm).  
NOTICE  
Uneven tightening could cause the manifold to bind  
or jam.  
NOTICE  
Uneven tightening could cause the manifold to bind  
or jam.  
Servicing V-Packings  
Note: Retorque the plug after 5 hours operation.  
Note: Retorque the plug after 5 hours operation.  
Two packing kits are available: one kit contains pack-  
ings only. The other includes packings, rings and retain-  
ers.  
Servicing V-Packings  
Pumping Section  
Pumping Section  
1. Remove manifold as described in Pumping Section.  
2. Carefully pull packing retainer from manifold. Examine  
o-ring. Replace o-ring if cut or damaged.  
3. Remove V-packing and head ring. Pull out retainer ring.  
Remove second V-packing and second head ring.  
4. Inspect all parts and replace as necessary.  
5. Thoroughly clean packing cavities and inspect for  
damage.  
1. Remove capscrews and lock washers from manifold.  
2. Carefully separate manifold from the crankcase. You  
may have to lightly tap the manifold with a soft mallet  
to loosen it.  
1. Remove capscrews and lock washers from manifold.  
2. Carefully separate manifold from the crankcase. You  
may have to lightly tap the manifold with a soft mallet  
to loosen it.  
1. Remove manifold as described in Pumping Section.  
2. Carefully pull packing retainer from manifold. Examine  
o-ring. Replace o-ring if cut or damaged.  
3. Remove V-packing and head ring. Pull out retainer ring.  
Remove second V-packing and second head ring.  
4. Inspect all parts and replace as necessary.  
5. Thoroughly clean packing cavities and inspect for  
damage.  
NOTICE  
NOTICE  
To avoid damage to plunger or seals, keep manifold  
properly aligned with the ceramic plungers when  
you remove it.  
To avoid damage to plunger or seals, keep manifold  
properly aligned with the ceramic plungers when  
you remove it.  
6. Lightly grease packing cavities. Replace packings in  
the following order:  
3. Carefully examine each plunger for any scoring or  
3. Carefully examine each plunger for any scoring or  
6. Lightly grease packing cavities. Replace packings in  
the following order:  
head ring  
• v-packing  
intermediate ring  
head ring  
• v-packing  
cracking. Replace as necessary.  
cracking. Replace as necessary.  
Servicing Plungers  
Servicing Plungers  
head ring  
• v-packing  
intermediate ring  
head ring  
• v-packing  
1. Loosen plunger retaining nut five or six turns using a  
13mm wrench. Push plunger toward the crankcase to  
separate plunger and retaining screw.  
2. Remove nut from plunger and examine and clean  
o-ring, backup ring, and copper bearing/gasket  
washer.  
3. Remove plunger and flinger from plunger shaft. Clean  
parts as necessary.  
4. Inspect plunger shaft for oil leaks from crankcase. If  
leaking is obvious, replace oil seals. Otherwise, DO  
NOT remove these seals because they cannot be  
reused. Oil Seal Kits are available for replacing seals.  
1. Loosen plunger retaining nut five or six turns using a  
13mm wrench. Push plunger toward the crankcase to  
separate plunger and retaining screw.  
2. Remove nut from plunger and examine and clean  
o-ring, backup ring, and copper bearing/gasket  
washer.  
• packing retainer  
• o-ring in retainer groove  
• packing retainer  
• o-ring in retainer groove  
NOTICE  
Packings must be installed in the proper order and  
facing the correct direction. Improperly installed  
parts will cause the pump to malfunction.  
3. Remove plunger and flinger from plunger shaft. Clean  
parts as necessary.  
NOTICE  
Packings must be installed in the proper order and  
facing the correct direction. Improperly installed  
parts will cause the pump to malfunction.  
4. Inspect plunger shaft for oil leaks from crankcase. If  
leaking is obvious, replace oil seals. Otherwise, DO  
NOT remove these seals because they cannot be  
reused. Oil Seal Kits are available for replacing seals.  
5. Lightly grease the flinger (and oil seal if it is being  
replaced) on plunger shaft. Then install plunger.  
7. Reassemble manifold following procedure described  
in Servicing Plungers.  
7. Reassemble manifold following procedure described  
in Servicing Plungers.  
18  
19  
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Pressure Washer - Parts  
Pressure Washer - Parts  
262292- Model 2525DD  
DESCRIPTION  
PART #  
QTY  
262292- Model 2525DD  
15 CAP  
16 BOLT  
17 WASHER  
18pDECAL - RISK OF FIRE (E/S/F)  
19pDECAL - RISK OF BURNS (E/S/F)  
20 ENGINE  
21 KEY  
22 PUMP  
16E491  
802127  
107194  
N/A  
2
4
8
1
1
1
1
1
4
4
1
1
1
1
1
1
1
1
DESCRIPTION  
PART #  
QTY  
1
2
-
GROMMET  
NOZZLE, 0°  
NOZZLE, 15°  
16E489  
805535  
805536  
805538  
805634  
16E123  
16E506  
N/A  
16E515  
111040  
16E475  
100521  
114251  
N/A  
5
1
1
1
1
1
1
1
1
10  
2
2
4
1
2
4
2
N/A  
-
-
3
4
NOZZLE, 40°  
16E657  
197792  
24E735  
100214  
108842  
154594  
N/A  
118124  
246674  
117760  
16E286  
N/A  
NOZZLE, DETERGENT  
DECAL - G-FORCE 2525DD  
BASEPLATE  
23 LOCKWASHER  
24 BOLT  
25 O-RING  
5p DECAL - WARNING/CAUTION (E/S/F)  
6
7
8
9
HANDLE  
LOCKNUT  
ISOLATOR  
BOLT  
26pDECAL - RISK OF INJECTION (E/S/F)  
27 LANCE ASSEMBLY  
28 GUN & WAND - 4000 PSI  
29 DETERGENT HOSE  
30 HOSE  
31 DECAL - OPERATIONS - (E/S/F)  
32pDECAL SET, SAFETY  
INCLUDES 5, 18, 19, 26, 31  
10 BOLT  
11 DECAL- SILVER STICKER  
12 SPACER  
13 WASHER  
14 WHEEL  
16E512  
111841  
16E476  
16E947  
pREPLACEMENT WARNING DECALS AVAILABLE AT NO COST.  
20  
21  
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Pump Assembly - Parts - Series A  
Pump Assembly - Parts  
24E735 (for use with Model 2525DD)  
DESCRIPTION  
24E735 (for use with Model 2525DD)  
PART # QTY  
KIT, REPAIR, VALVES  
INCLUDES 1  
KIT, REPAIR, PLUNGER  
INCLUDES 2  
KIT, REPAIR, OIL SEAL  
INCLUDES 3  
KIT, REPAIR, UNLOADER  
INCLUDES 4  
KIT, REPAIR, PACKINGS  
INCLUDES 5, 6, 7, 8  
KIT, REPAIR, CHEMICAL INJECTOR  
INCLUDES 9, 10, 11  
THERMAL RELIEF VALVE  
INCLUDES 12  
24E736  
24E737  
24E738  
24E739  
24E740  
24E741  
117759  
801112  
6
3
3
1
3
1
1
1
FILTER, INLET  
INCLUDES 13  
22  
23  
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Pump Assembly - Parts - Series B  
Pump Assembly - Parts  
24R713 (for use with Model 2525DD)  
24R713 (for use with Model 2525DD)  
DESCRIPTION  
KIT, REPAIR, VALVES  
INCLUDES 1  
THERMAL RELIEF VALVE  
INCLUDES 2  
FILTER, INLET  
INCLUDES 3  
KIT, REPAIR, PACKINGS  
INCLUDES 4  
KIT, REPAIR, OIL SEAL  
INCLUDES 5  
KIT, REPAIR, PISTION  
INCLUDES 6  
PART # QTY  
24R715  
117759  
801112  
24R718  
16V292  
16V302  
24R714  
24R716  
6
1
1
3
3
3
1
1
KIT, REPAIR, UNLOADER  
INCLUDES 7  
KIT, REPAIR, CHEMICAL INJECTOR  
INCLUDES 8  
24  
25  
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Pressure Washer - Parts  
Pressure Washer - Parts  
262293- Model 2730DD  
262293- Model 2730DD  
DESCRIPTION  
PART#  
QTY  
DESCRIPTION  
PART#  
QTY  
1
2
-
-
-
GROMMET  
NOZZLE, 0°  
NOZZLE, 15°  
NOZZLE, 25°  
16E489  
805535  
805536  
805537  
805538  
805634  
16E124  
16E506  
N/A  
16E515  
111040  
16E475  
100521  
114251  
N/A  
16E512  
111841  
16E476  
16E491  
100184  
100214  
107194  
802127  
107194  
5
1
1
1
1
1
1
1
1
1
10  
2
2
4
1
2
5
2
2
4
4
4
4
8
21 ENGINE  
16E658  
N/A  
1
1
1
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
22pDECAL - RISK OF FIRE (E/S/F)  
23pDECAL - RISK OF BURNS (E/S/F)  
24 DETERGENT HOSE  
25 KEY  
26 RELIEF VALVE  
27 PUMP  
28 QUICK CONNECT  
29 SWIVEL  
30 FILTER  
31 HOSE ASSEMBLY  
32 QC SOCKET  
33 HOSE  
34 O-RING  
35pDECAL - RISK OF INJECTION (E/S/F)  
36 O-RING  
37 GUN/WAND ASSEMBLY  
38 QUICK CONNECT  
39 WAND  
40 GRIP  
41 GUN  
42 QUICK CONNECT SOCKET  
43 DECAL - OPERATIONS - (E/S/F)  
44pDECAL SET, SAFETY  
INCLUDES 5, 22, 23, 35, 43  
N/A  
117760  
197792  
116461  
244749  
197428  
16E662  
801112  
244783  
N/A  
N/A  
156082  
N/A  
154594  
24E723  
N/A  
NOZZLE, 40°  
-
NOZZLE, DETERGENT  
DECAL - G-FORCE 2730DD  
BASEPLATE  
3
4
5p DECAL - WARNING/CAUTION (E/S/F)  
6
7
8
9
HANDLE  
LOCKNUT  
ISOLATOR  
BOLT  
10 BOLT  
11 DECAL- SILVER STICKER  
12 SPACER  
13 WASHER  
14 WHEEL  
15 CAP  
16 BOLT  
17 LOCKWASHER  
18 WASHER  
19 BOLT  
N/A  
N/A  
N/A  
N/A  
N/A  
20 WASHER  
16E947  
pREPLACEMENT WARNING DECALS AVAILABLE AT NO COST.  
26  
27  
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Pump Assembly - Parts  
Pump Assembly - Parts  
244749 (for use with Model 2730DD)  
244749 (for use with Model 2730DD)  
DESCRIPTION  
PART #  
QTY  
KIT, REPAIR, VALVES  
INCLUDES 24  
KIT, REPAIR, OIL SEAL  
INCLUDES 36  
KIT, REPAIR, PLUNGER  
INCLUDES 37  
KIT, REPAIR, PACKINGS  
INCLUDES 32, 33, 34, 35  
KIT, REPAIR, CHEMICAL INJECTOR  
INCLUDES 25-31  
804402  
804033  
804011  
804037  
24E748  
244803  
6
3
3
3
1
1
KIT, REPAIR, UNLOADER  
INCLUDES 1-23  
28  
29  
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Pressure Washer - Parts  
Pressure Washer - Parts  
262294- Model 3030DD  
262295- Model 3540DD  
262294- Model 3030DD  
262295- Model 3540DD  
DESCRIPTION  
PART #  
QTY  
DESCRIPTION  
PART #  
QTY  
1
2
-
-
-
-
-
-
-
GROMMET  
16E489  
805539  
805540  
805541  
805542  
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
6
2
2
4
1
2
2
1
1
2
1
4
19 WASHER  
20 LOCKNUT  
21 ENGINE (3030DD  
100731  
101566  
16E659  
16E660  
N/A  
8
4
1
1
1
1
1
1
1
1
4
4
4
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
NOZZLE (3030DD), 0°  
NOZZLE (3030DD), 15°  
NOZZLE (3030DD), 25°  
NOZZLE (3030DD), 40°  
-
ENGINE (3540DD)  
22pDECAL - RISK OF BURNS (E/S/F)  
23pDECAL - RISK OF FIRE (E/S/F)  
24 DETERGENT HOSE  
25 KEY  
NOZZLE (3540DD/3030DD), DETERGENT805634  
N/A  
NOZZLE (3540DD), 0°  
NOZZLE (3540DD), 15°  
NOZZLE (3540DD), 25°  
NOZZLE (3540DD), 40°  
DECAL - G-FORCE 3030DD  
DECAL - G-FORCE 3540DD  
FRAME  
805543  
805544  
805545  
805546  
16E125  
16E126  
16E507  
N/A  
16E515  
111040  
16E475  
100521  
114251  
N/A  
16E476  
119554  
16E662  
801112  
197428  
116461  
111803  
117760  
801137  
24E753  
24E750  
107194  
100133  
100004  
244783  
N/A  
N/A  
156082  
N/A  
154594  
24E723  
24E724  
N/A  
26 PUMP (3030DD)  
-
3
-
-
PUMP (3540DD)  
27 WASHER  
28 LOCKWASHER  
29 BOLT  
30 HOSE ASSEMBLY  
31 QC SOCKET  
32 HOSE  
33 O-RING  
34pDECAL - RISK OF INJECTION (E/S/F)  
35 O-RING  
4
5p DECAL - WARNING/CAUTION (E/S/F)  
6
7
8
9
HANDLE  
LOCKNUT  
ISOLATOR  
BOLT  
10 BOLT  
11 DECAL- SILVER STICKER  
12 WHEEL  
13 LOCKNUT  
14 SWIVEL  
15 FILTER  
16 QUICK CONNECT  
17 RELIEF VALVE  
18 BOLT  
36 GUN/WAND ASSEMLBY (3030DD  
-
GUN/WAND ASSEMLBY (3540DD)  
37 QUICK CONNECT  
38 WAND  
N/A  
N/A  
N/A  
N/A  
39 GRIP  
40 GUN  
41 QUICK CONNECT SOCKET  
42 DECAL - OPERATIONS - (E/S/F)  
43 DECAL SET, SAFETY  
INCLUDES 5, 22, 23, 34, 42  
N/A  
16E947  
pREPLACEMENT WARNING DECALS AVAILABLE AT NO COST.  
30  
31  
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Pump Assembly - Parts  
Pump Assembly - Parts  
24E753 (for use with Model 3030DD)  
24E750 (for use with Model 3540DD)  
24E753 (for use with Model 3030DD)  
24E750 (for use with Model 3540DD)  
DESCRIPTION  
PART #  
QTY  
6
KIT, REPAIR, VALVES  
INCLUDES 10  
KIT, REPAIR, OIL SEAL  
INCLUDES 18  
804402  
24E744  
24E745  
24E746  
24E747  
24E748  
244804  
244806  
3
3
3
3
1
1
1
KIT, PLUNGER  
INCLUDES 22  
KIT, REPAIR, PACKINGS  
INCLUDES 11-17  
KIT, REPAIR, PLUNGER  
INCLUDES 19, 20, 21, 23, 24  
KIT, REPAIR, CHEMICAL INJECTOR  
INCLUDES 3-9  
KIT, REPAIR, UNLOADER (3030)  
INCLUDES 1, 2  
KIT, REPAIR, UNLOADER (3540)  
INCLUDES 1, 2  
32  
33  
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Notes  
Technical Data  
Model 2525  
Model 2730  
2600-2700 psi  
2650 PSI  
Model 3030  
2800-2900 psi  
2850 PSI  
Model 3540  
3400-3500 psi  
3450 psi  
Working Pressure Range  
Operating Pressure  
Maximum Working Pressure  
Engine Size  
2250-2300 psi  
2275 psi  
2500 psi  
2700 psi  
3000 psi  
3500 psi  
160 cc  
200 cc  
270 cc  
390 cc  
Maximum Delivery  
2.3 gpm  
2.4 gpm  
3.0 gpm  
4.0 gpm  
(8.7 l/mn)  
25’ x 3/8”  
4000 psi  
(9.08 l/mn)  
50’ x 3/8”  
4000 psi  
(11.35 l/mn)  
50’ x 3/8”  
4000 psi  
(15.14 l/mn)  
50’ x 3/8”  
4000 psi  
High Pressure Hose  
Chemical Injector Hose  
Weight  
1/4” x 4’  
1/4” x 4’  
1/4” x 4’  
1/4” x 4’  
75 LB (28 lg)  
88 LB (32.8 kg)  
129 LB (48.2 kg)  
142 LB (53 kg)  
Dimensions  
Length  
37” (94 cm)  
21” (53 cm)  
24.5” (62 cm)  
3/4” ghf  
30” (76 cm)  
21” (53 cm)  
26” (66 cm)  
3/4” ghf  
34” (86 cm)  
23.5” (59.6 cm)  
25.5” (64.7 cm)  
3/4” ghf  
34” (86 cm)  
23.5” (59.6 cm)  
25.5” (64.7 cm)  
3/4” ghf  
Width  
Height  
Pump Inlet Fitting  
Storage Temperature Range  
-30° – 125°F  
(-34° – 52°C)  
40° – 125°F  
(4.4° – 51.6°C)  
90.4 dB(A)  
104.4 dB(A)  
0.5 gal  
-30° – 145°F  
(-34° – 62.7°C)  
40° – 125°F  
(4.4° – 51.6°C)  
89.6 dB(A)  
103.6 dB(A)  
0.95 gal  
-30° – 145°F  
(-34° – 62.7°C)  
40° – 125°F  
(4.4° – 51.6°C)  
93.1 dB(A)  
107.2 dB(A)  
1.6 gal  
-30° – 145°F  
(-34° – 62.7°C)  
40° – 125°F  
(4.4° – 51.6°C)  
92.2 dB(A)  
106.4 dB(A)  
1.7 gal  
Operating Temperature Range  
Sound Pressure  
Sound Power  
Gasoline Tank Capacity  
Maximum Input Pressure  
Maximum Operating Temperature  
125 psi  
125 psi  
125 psi  
125 psi  
125°F  
145°F  
145°F  
145°F  
(51.6°C)  
(62.7°C)  
(62.7°C)  
(62.7°C)  
34  
35  
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