ASM AllPro APB2525H User manual
309882GOperating Instructions
Manufactured by
APB2525H Pressure Washer
Important Safety Instructions
Read all warnings and instructions in this
manual. Save These instructions.
Model 246797, Series A & Series B
2300 psi (159 bar, 15.8 MPa) Maximum Operating Pressure
2500 psi (172 bar, 17.2 MPa) Maximum Working Pressure
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Table of Contents
Symbols 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Component Identification 4. . . . . . . . . . . . . . . . . . . . . . . .
Pressure Relief Procedure 6. . . . . . . . . . . . . . . . . . . . . . .
Installing and Changing Spray Tips 11. . . . . . . . . . . . . .
Pump Service 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Drawing 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ASM Phone Number 24. . . . . . . . . . . . . . . . . . . . . . . . . . .
Warning Symbol
WARNING
This symbol alerts you to the possibility of serious inju-
ry or death if you do not follow instructions.
Caution Symbol
CAUTION
This symbol alerts you to the possibility of damage to
or destruction of equipment if you do not follow instruc-
tions.
Equipment Misuse Hazard:
Misuse of pressure washer or accessories can cause the equipment to rupture or malfunction and
result in serious injury.
Do not alter or modify any part or factory–setting
Check equipment daily. Repair or replace worn or damaged parts immediately.
Do not exceed maximum working pressure (MWPR) of the lowest–rated system component
Use fluids and solvents that are compatible with the equipment wetted parts. See Specification
page for this information.
Wear hearing protection when operating this equipment.
Do not “blow back” fluid; this is not an air spray system
Follow Pressure Relief, page 6 before cleaning, checking or servicing equipment.
SKIN INJECTION HAZARD:
Spray from gun, leaks or ruptured components can inject fluid into your body and cause serious
injury. Fluid splashed in eyes or on skin can also cause serious injury.
Fluid injected into skin might look like just a cut, but it is a serious injury. Get immediate surgi-
cal treatment.
Do not point gun at anyone or any part of the body.
Do not stop or deflect leaks with hand, body, glove, or rag.
Do not put your hand or fingers over the spray tip.
TIghten fluid connections before you start this equipment.
Engage the gun safety whenever you stop spraying.
Follow Pressure Relief Procedure, page 6 if the spray tip clogs and before you clean, check
or service this equipment.
Repair or replace worn or damaged parts immediately.
Check hoses, tubes, and couplings daily. Do not repair high–pressure couplings. Replace entire
hose. Fluid hoses must have spring guards on both ends to prevent kinks and rupture.
TOXIC FLUID HAZARD:
Hazardous fluid or toxic fumes can cause serious injury or death if splashed in eyes or on skin,
inhaled, or swallowed.
Know specific hazards of fluids you are using and take protective measures as recommended by
the fluid and solvent manufacturer.
Fuel Hazard:
Fuel is combustible. When spilled on a hot surface it can ignite and cause a fire.
Do not fill fuel tank while engine is running or hot.
Exhaust Hazard:
Exhaust contains poisonous carbon monoxide, which is colorless and odorless. Do not operate this
equipment in a closed building.
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Component Identification
Gun and Wand
High Pressure
Hose Connection
On/Off Engine Switch (side)
Water Pump Oil Fill
Engine Oil Fill
Tip Storage Hose Rack (a) /
Gun Holder (b)
(b) (a)
Garden Hose
Connection
Pressure Unloader
Adjustment Knob
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Thermal Valve
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Shipping Damage
Check pressure washer for shipping damage. Notify carrier immediately if there is any damage.
Setup
Connect High–Pressure Hose and Gun
Connect high–pressure hose between the pump outlet and gun inlet.
Install Spray Tip
Install spray tip on wand. Installing and Changing Spray Tips,
page 11). If you are using a Sandblasting Kit, see its separate
manual for installation instructions.
Connect to Water Supply
Connect hose with at least a 3/4 in. (19 mm) ID from water supply
to 3/4 in. garden hose inlet on the pressure washer. The supply
hose should not be more than 50 ft (15 m) long.
Before you connect garden hose to pres-
sure washer, check local plumbing codes
regarding cross–connection to water
supply. If required, install backflow pre-
venter.
If inlet water pressure is over 60 psi (4.1
bar), a regulating water valve must be
installed at garden hose connection.
Do not exceed 104°F (40°C) inlet water
temperature.
CAUTION
Note: Water source must have a minimum flow rate equal to that of pressure washer.
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PRESSURE RELIEF
Follow these instructions whenever you are instructed to relieve pressure, stop spraying for
more than 10 minutes, check or service the equipment, or install or clean the spray nozzle.
1. Engage trigger safety latch
2. Turn pressure washer off
3. Remove ignition cable from spark plug.
4. Shut off water supply. Disconnect from water.
5. Disengage trigger safety latch. Trigger gun to relieve
pressure. Then re–engage the safety latch.
Note: If you suspect that the spray tip or hose is clogged or that pressure has not been fully relieved after
following the steps above, disengage the trigger safety latch and trigger the gun to relieve pressure.
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1. Check oil level of engine.
Startup
Always use this startup procedure to ensure that the pressure washer is started
safely and properly.
Always engage gun trigger safety latch when you stop spraying. This reduces the risk of fluid injection or
splashing in eyes or on skin if gun is bumped or accidentally triggered.
Always observe the CAUTIONS in this section to avoid costly damage to pressure washer.
If you use the Sandblaster Kit, see Sandblaster Kit Manual for detailed cleaning information.
.
Operation
2. Check fuel level.
3. Turn on water supply.
Never run pressure washer without wa-
ter. Costly pump damage will result.
Always be sure water supply is complete-
ly turned on before you run pressure
washer.
CAUTION
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4. Trigger gun until a constant stream of water sprays from tip indicating air is purged from the system.
5. Be sure spark plug ignition cable is pushed firmly onto spark plug.
6. Move throttle to Rabbit (fast) position and choke to CHOKE
position.
Do not allow pressure washer to idle more than 10
minutes. This causes circulating water to overheat and
serious damage to the pump. The pump is equipped
with a thermal valve to help prevent severe damage if
circulating water is overheating.
Turn off pressure washer if it will not be spraying at
least every 10 minutes or if thermal valve activates. If
heated inlet water is used, reduce this time.
Do not operate pressure washer with inlet water
screen removed. This screen helps keep abrasive
sediment which could clog pump or damage cylinders,
out of pump.
Do not pump caustic materials.
CAUTION
7. Pull the starter rope quickly to start the engine. Pull and return the
rope until the engine starts. HINT: Placing one foot on the pres-
sure washer as a brace provides better leverage.
NOTE: For easier starting, have one person start pressure washer while another triggers gun.
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Trigger Safety Latch
Always engage the safety latch when you stop spraying.
Always engage trigger safety latch when you stop spraying even for a moment. The engaged
safety latch prevents the gun from being triggered accidentally by hand or when dropped or
bumped. Be sure latch is pushed fully down or it will not prevent the gun from being triggered.
Safety ON Safety OFF
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1. Follow Pressure Relief Procedure, page 6.
Chemical Injector Operation
2. Push end of chemical injector hose over chemical injector fitting on
pump. Place other end in container of chemical solution.
3. Install the black, large–orifice, chemical tip. (Installing and Changing Spray Tips page 11).
4. Trigger gun for a few seconds. Chemical solution will begin mixing in spray pattern.
The large orifice of the chemical tip causes a drop in pressure that actuates the chemical injector.
Changing back to a small orifice spray tip deactivates the chemical injector and produces high pressure
for rinsing. The chemical filter can be left in the chemical container during high–pressure use.
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