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The Reliable Ones
High Pressure Washer
Owner’s Manual
-270 CST
0
0
1-8 -F 8-5
M
This pressure
washer is equipped
with an Automatic
Cool Down System.
See page 11 for
details.
Model No. 1195–0 (1800 PSI High Pressure Washer) Manual No. B2808 Revision 1 (6/9/98)
This symbol points out important safety instructions, which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all
instructions in the manual before attempting to operate this unit.
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CAUTION: Always disconnect spark plug wire and place wire where it cannot contact spark
plug to prevent accidental starting when setting up, transporting, adjusting or making repairs
to your high pressure washer.
• The high pressure stream of water that this equipment produces
can pierce skin and its underlying tissues, leading to serious
injury and possible amputation.
• Always wear eye protection when you use this equipment or
when you are in the vicinity where the equipment is in use.
• Operate the pressure at no more than the PSI fluid pressure
rated for your pressure washer.
• Never move the machine by pulling on the high pressure hose.
Use the handle provided on the top of the unit.
• Always be certain the spray gun, nozzles and accessories are correctly attached.
• Never use a spray gun which does not have a trigger lock or trigger guard in place and in working order.
• Use a respirator or mask whenever there is a chance that vapors
may be inhaled. Read all instructions with mask so you are certain the mask will provide the necessary protection against inhaling
harmful vapors.
• High pressure spray may damage fragile items including glass.
Do not point spray gun at glass when in the jet spray mode.
• Keep the hose connected to machine or the spray gun while the
system is pressurized. Disconnecting the hose while the unit is
pressurized is dangerous.
• Hold the spray gun firmly in your hand before you start the unit.
Failure to do so could result in an injury from a whipping spray
gun. Do not leave the spray gun unattended while the machine
is running.
• The cleaning area should have adequate slopes and drainage to
reduce the possibility of a fall due to slippery surfaces.
• Keep water spray away from electric wiring or fatal electric shock
may result.
• Do not secure trigger gun in the pull-back (open) position.
• Do not by-pass any safety device on this machine.
• The muffler and engine heat up during operation and remain hot
immediately after shutting it down. Avoid contact with a hot muffler or engine or you could be severely burned.
• Operate and store this unit on a stable surface.
• High pressure hose can develop leaks from wear, kinking, abuse,
etc. Water spraying from a leak is capable of injecting material
into skin. Inspect hose each time before using it. Check all hoses
for cuts, leaks, abrasions or bulging of cover, or damage or movement of couplings. If any of these conditions exist, replace hose
immediately. Never repair high pressure hose. Replace it with
another hose that meets minimum pressure rating of your pressure washer.
• Engine exhaust gases contain DEADLY carbon monoxide gas.
This dangerous gas, if breathed in sufficient concentrations, can
cause unconsciousness or even death. Operate this equipment
only in the open air where adequate ventilation is available.
WARNING:
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects, or other reproductive harm.
• Gasoline is highly FLAMMABLE and its vapors are EXPLOSIVE.
Do not permit smoking, open flames, sparks or heat in the vicinity while handling gasoline. Avoid spilling gasoline on a hot engine.
Allow unit to cool for 2 minutes before refueling. Comply with all
laws regulating storage and handling of gasoline.
• Locate this pressure washer in areas away from combustible
materials, combustible fumes or dust.
• The high pressure equipment is designed to be used with Generac
authorized parts only. If you use this equipment with parts that
do not comply with minimum specifications, the user assumes all
risks and liabilities.
• Some chemicals or detergents may be harmful if inhaled or
ingested, causing severe nausea, fainting or poisoning. The harmful elements may cause property damage or severe injury.
• Do not allow CHILDREN to operate the Pressure Washer at any
time.
• Operate engine only at governed speed. Running the engine at
excessive speeds increases the hazard of personal injury. Do not
tamper with parts which may increase or decrease the governed
speed.
• Do not wear loose clothing, jewelry or anything that may be
caught in the starter or other rotating parts.
• Before starting the Pressure Washer in cold weather, check all
parts of the equipment and be sure ice has not formed there.
• Units with broken or missing parts, or without protective housing
or covers should NEVER be operated.
• The muffler and air cleaner must be installed and in good condition before operating the Pressure Washer. These components
act as spark arrestors if the engine backfires.
• Check the fuel system for leaks or signs of deterioration such as
chafed or spongy hose, loose or missing clamps or damaged tank
or cap. Correct all defects before operating the Pressure Washer.
• Do not spray flammable liquids.
• Never aim the gun at people, animals or plants.
• High pressure spray can cause paint chips or other particles to
become airborne and fly at high speeds.
• Never allow any part of the body to come in contact with the fluid
stream. DO NOT come in contact with a fluid stream created by
a leak in the high pressure hose.
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CONGRATULATIONS on your purchase of a
GENERAC high pressure washer. It has been
designed, engineered and manufactured to give you
the best possible dependability and performance.
Should you experience any problem you cannot
easily remedy, please contact your nearest GENERAC Authorized Service facility, or call the 1-800
number listed on the front of this manual. We have
competent, well-trained technicians and the proper
tools to service or repair this unit.
Please read and retain this manual. The instructions
will enable you to assemble and maintain your high
pressure washer properly.
Model Number
PRODUCT SPECIFICATIONS
Pressure Washer Specifications
Outlet Pressure . . . . 1800 psi
Flow Rate . . . . . . . . . 2.0 gallons per minute (gpm)
Detergent Mix . . . . . . Use undiluted detergent
approved for pressure
washers
Water Supply . . . . . . Not to Exceed 140°F
Temperature
Automatic Cool . . . . Will cycle when water
Down System
reaches 140°-145°F
1195-0
Engine Specifications
Serial Number
Engine Model . . . . . .
Rated Horsepower . .
Displacement . . . . . .
Spark Plug
Type . . . . . . . .
Set Gap To: . .
Gasoline Capacity . .
Oil . . . . . . . . . . . . . . .
Date of Purchase
The model and serial numbers will be found on
a decal attached to the pressure washer. You
should record both serial number and date of
purchase and keep in a safe place for future
reference.
CUSTOMER
RESPONSIBILITIES
Honda GC 135
4.0
135cc
NGK:BPR6ES
028-.031 inch (.7-.8mm)
1.8 U.S. quarts
SAE 10W30
In the State of California a spark arrestor is required
by law (Section 4442 of the California Public
Resources Code). Other states may have similar
laws. Federal laws apply on federal lands.
NOTE: If you equip the engine of your pressure
washer with a spark arrestor muffler, the spark
arrestor must be maintained in effective working order
by the owner/operator.
You can order a spark arrestor through your
authorized Honda service dealer.
• Read and observe the safety rules.
• Follow regular schedule in maintaining, caring for
and using your high pressure washer.
• Follow the instructions under “Customer
Responsibilities” and “Storage” sections of this
Owner's Manual.
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KNOW YOUR PRESSURE WASHER
Read this owner’s manual and safety rules before operating your high pressure washer.
Compare the illustrations with your high pressure washer to familiarize yourself with the locations of various
controls and adjustments. Save this manual for future reference.
Goggles
Spray Gun
Choke Rod
High Pressure Hose
High Pressure Outlet
Air Cleaner
Chemical Injection Tube
Pump equipped with
Automatic Cool Down
System
Throttle Lever
Water Inlet
Oil Fill
Recoil Starter
Adjustable Nozzle
Adjustable Nozzle — You must attach this to the spray
gun to provide high pressure stream. Adjustable nozzle
allows you to adjust force of spray and spray pattern.
Air Cleaner — Dry type filter element limits the amount
of dirt and dust that gets in the engine.
Automatic Cool Down System — Cycles water
through pump when water reaches 140°-145°F. Warm
water will discharge from pump onto ground. This
system prevents internal pump damage.
Chemical Injection Tube—Used to siphon chemical
from the detergent container to the pump.
Choke Rod— Prepares a cold engine for starting.
Goggles — Always use the enclosed goggles or other
eye protection when running your pressure washer.
High Pressure Hose — Connect one end to water
pump and the other end to spray wand.
High Pressure Outlet — Connection for high pressure
hose.
Oil Fill—Oil input area.
Pump — Develops high pressure.
Recoil Starter — Used for starting the engine manually.
Spray Gun — Controls the application of water onto
cleaning surface with trigger device. Includes safety
latch.
Throttle Lever—Sets engine in starting mode for recoil
starter and stops a running engine.
Water Inlet — Connection for garden hose.
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• Add oil to the engine crankcase.
• Add fuel to the fuel tank.
Read entire Owner’s manual before you attempt to
assemble or operate your new pressure washer.
Your new pressure washer has been assembled at
the factory with exception of those parts left unassembled for shipping purposes.
Secure Handle and Wire Form
• Lift the handle upward and allow the locking caps to
slide over the bottom part of the handle to secure it
in place. (Figure 1).
REMOVE PRESSURE
WASHER FROM CARTON
• Remove parts box included with pressure washer.
• Slice two corners at guide handle end of carton
from top to bottom so the panel can be folded down
flat, then remove all packing material.
• Roll pressure washer out of carton.
Figure 1 — Lift the handle into an upright
position.
Lift the handle
to an upright
position and
slide the
locking caps
into place
CARTON CONTENTS
Items in the carton include:
• Main Unit
• High Pressure Hose
• Parts Box (which includes the following):
• Wireform
• Goggles
• Nozzle Cleaning Kit
• Owner’s Manual
• Engine Manual
• Spray Gun
• Nozzle Extension
If any of the above parts are missing or damaged, call
the pressure washer helpline at 1–800–270–1408.
• Insert the wire form into the handle with the longer arm
positioned on the left. From this view the hook should
resemble a “J” (Figure 2).
Figure 2 — Fit wire form on handle.
PREPARING THE PRESSURE
WASHER FOR USE
If you have any problems with the assembly of your
pressure washer or if parts are missing or damaged,
call the Pressure Washer Helpline at 1-800-270-1408.
To prepare your pressure washer for operation you
will need to perform these tasks:
• Unfold the handle and attach the wire form that
holds high pressure hose and spray gun.
• Connect the high pressure hose to the spray gun
and the pump and connect the water supply to the
pump.
Add Engine Oil
IMPORTANT: Any attempt to crank or start the
engine before it has been properly serviced with the
recommended oil may result in an engine failure.
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WARNING! Never fill fuel tank completely
full. Fill tank to about 1/2" below the
bottom of the filler neck to provide space
for fuel expansion. Wipe away any fuel
spillage from engine and equipment
before starting.
Note: When adding oil to the engine crankcase, use
only high quality detergent oil rated with API service
classification SF or SG rated SAE 10W30 weight.
Do Not Use SAE 10W40 Oil.
The manufacturer recommends fresh, clean unleaded
regular automotive gasoline.
• Use clean fuel and store in approved, clean covered containers. Use clean fill funnels. Never use
“stale” gasoline left over from last season or gasoline stored for long periods.
• Clean the area around the fuel fill cap, remove the
cap (Figure 4).
• Place the pressure washer on a level surface.
Figure 4 — Add gasoline to fuel tank.
• Clean the area around oil fill and remove the oil dipstick (Figure 3).
Figure 3 — Add oil to engine crankcase. Do not
attempt to start engine without
adding oil.
• Add “UNLEADED” regular gasoline, slowly, to fuel
tank. Use a funnel to prevent spillage.
• Install the fuel cap and wipe up any spilled gasoline.
• Wipe the dipstick clean.
• Insert and remove the dipstick without screwing it
into the filler neck. Check the oil level shown on the
dipstick.
• If the oil level is low, fill to the edge of the oil filler
hole with the recommended oil. DO NOT OVERFILL.
Connect Hose and Water
Supply to Pump
IMPORTANT: You must assemble the wand and
attach all hoses before you start the engine. Starting
engine without all hoses connected and water supplied will damage the pump.
• Uncoil the high pressure hose and attach one end
of the hose to the base of the spray gun. (Figure 5).
Tighten by hand.
• Attach the other end of the high pressure hose to
the high pressure fitting on the pump (Figure 6).
Tighten by hand.
• Reinstall the oil dipstick, hand tighten securely.
Note: Check Oil Often During Engine Break–in.
Add Gasoline
DANGER! Never fill fuel tank indoors.
Never fill fuel tank when engine is running or hot. Do not smoke when filling
fuel tank.
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Figure 5 — Connect high pressure hose
to spray gun.
Figure 7 — Connect the garden hose to water
inlet and turn ON the water.
Inspect inlet
screen, do not
use if damaged, clean if
dirty
Connect High Pressure
Hose Here
Figure 6 — Connect high pressure hose to
pump.
Figure 8 — Connect nozzle extension to spray
gun.
High Pressure Hose
Connection
• Before you connect your garden hose to the water
inlet, inspect the Inlet Screen (Figure 7). Clean the
screen if it contains debris or have it replaced if
damaged. DO NOT RUN THE PRESSURE
WASHER IF THE SCREEN IS DAMAGED.
• Connect the garden hose to the water inlet. Tighten
by hand (Figure 7).
• Turn ON the water.
• Squeeze the trigger on the gun to purge the pump
system of air and impurities.
CHECKLIST BEFORE
STARTING ENGINE
If you have reached this point, look back over the
assembly to see if you have performed all of the following.
• Check for properly tightened hose connections
(high pressure and water supply) and for tight connections and that there are no kinks, cuts, or
damage to the high pressure hose.
• Check that oil has been added to the proper level in
the engine crankcase before trying to start the pressure washer.
• Add the proper gasoline to fuel tank.
• Provide a proper water supply (not to exceed
140°F).
• Be sure to read the “Safety Rules” and “Operation
sections before using the pressure washer.
CAUTION: Before starting the pressure
washer, be sure you are wearing adequate eye protection.
• Attach the nozzle extension to the spray gun.
Tighten By Hand (Figure 8).
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HOW TO USE YOUR
PRESSURE WASHER
Figure 10 — Throttle control positions.
If you have any problems operating your pressure
washer, please call the pressure washer helpline at
1-800-270-1408.
How to Start Your Engine
The best way to start your engine-powered pressure
washer for the first time is to follow these instructions
step-by-step. This starting information also applies
whenever you start the engine after you have let the
pressure washer sit idle for at least a day.
• Place the pressure washer in an area close enough
to an outside water source that can flow at a rate of
2 gallons per minute.
• Check that the high pressure hose is tightly connected to the spray gun and to the pump. See
“Preparing the Pressure Washer for First Use” for
illustrations.
• Connect the garden hose to the water inlet on the
pressure washer pump and turn on the water.
IMPORTANT: Do not run the pump without the water
supply connected and turned on. You must follow this
caution or the pump will be damaged.
• Pull the Choke to the CLOSED position (full choke)
(Figure 9).
• Squeeze the trigger on the spray gun (make sure
the nozzle is in low pressure mode) to relieve the
air pressure caused by turning ON the water.
Water will spew out of the gun in a thin stream.
Hold the trigger until a steady stream of water
appears. This will make it easier to pull start the
engine. Release the trigger.
• Apply the safety latch to the spray gun trigger
• Grasp the rope handle and pull slowly until you feel
some resistance. Then pull the cord rapidly to overcome compression, prevent kickback and start the
engine. Let the rope return to the starter slowly.
Note: Always keep the Throttle Control Lever in the
‘Fast’ position when operating the pressure washer.
• If the engine fails to start repeat above steps.
• If the choke was pulled to the CLOSED position to
start the engine, slowly push it to the OPEN position
as soon as the engine warms up enough to run
smoothly.
Figure 9 — Choke positions.
How to Stop Your Pressure
Washer
•
•
•
•
Move the Throttle Control Lever to the ‘Slow’ position.
Wait for the engine to idle down.
Move the Throttle Control Lever to the ‘Stop’ position.
Simply shutting off the engine will not release pressure in the system. Squeeze trigger on the spray
gun to relieve pressure in the hose.
Note: A small amount of water will squirt out when
you release the pressure.
• Move the Throttle Control Lever to the ‘Fast’
position (Figure 10).
Note: For a warm engine, be sure the Choke is in the
OPEN position (no choke).
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• Twisting the nozzle adjusts the spray pattern from a
narrow pattern to a fan pattern.
• For most effective cleaning, keep the spray nozzle
between 8 to 24 inches away from the cleaning surface.
• If you get the spray nozzle too close, especially
using high pressure mode, you may damage the
cleaning surface.
• Do not get closer than 8 inches when cleaning tires.
How to Use the Adjustable
Nozzle
The information in this section will tell you how to
adjust the spray pattern and apply detergent or any
other cleaning chemicals.
DANGER! Never adjust spray pattern
when spraying. Never put hands in front
of nozzle to adjust spray pattern.
On the end of your spray gun is a nozzle that you can
slide forward and backward and that you can also
twist from side to side. With the adjustable nozzle you
can adjust the spray pattern to be either high pressure or low pressure. You can also adjust the spray
so it is concentrated in a stream pattern or expanded
into a fan pattern.
• Slide the nozzle forward when you wish to adjust
the spray to low pressure mode (Figure 11). Slide
the nozzle backward to achieve high pressure.
• Point the nozzle toward the ground and press the
trigger to test the pattern (Figure 12).
Applying Detergent with the
Adjustable Nozzle
IMPORTANT: Use soaps designed specifically for
pressure washers. Household detergents could
damage the pump.
IMPORTANT: You must attach all hoses before you
start the engine. Starting the engine without all the
hoses connected and without the water turned ON will
damage the pump.
Figure 11 — Using the adjustable nozzle.
Slide nozzle backward
for high pressure
mode.
Slide nozzle forward
for low pressure
mode and detergent
application.
Twist nozzle counterclockwise for fan
spray pattern.
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Twist nozzle clockwise for narrow
spray pattern.
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Figure 13 — Insert the small filter into container
of cleaning solution.
Figure 12 — Test the spray pattern.
• Make sure the garden hose is connected to the
water inlet. Check that the high pressure hose is
connected to the spray gun and the pump (see
HOW TO USE YOUR PRESSURE WASHER), and
start the engine.
• Apply the detergent to a dry surface, starting from
the bottom and working up.
• Allow the detergent to soak in between 3-5 minutes
before washing and rinsing.
• For washing, start at lower portion of area to be
washed and work upward, using long, even, overlapping strokes. Do not allow the detergent to dry
on. This will prevent streaking.
To apply detergent follow these steps:
• Review the use of adjustable nozzles.
• Prepare the detergent solution as required by the
job.
• Hang the detergent solution on the hook of the
wireform on the handle as shown in Figure 13.
• Place the small filter of the clear, detergent siphoning tube into the detergent container.
• Slide the adjustable nozzle forward to low pressure
mode.
Note: Detergent cannot be applied with the nozzle in
high pressure position.
CAUTION: Keep the detergent siphoning
tube from coming in contact with the hot
muffler. This will damage the plastic tube.
When inserting the filter into a cleaning
agent bottle, route the tube so as to keep it
from inadvertently contacting the hot muffler.
IMPORTANT: Detergent cannot be applied without
the water source turned on.
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• Start at the top of the area to be rinsed, working
down with same overlapping strokes as you used
for cleaning.
Note: You can also stop detergent from flowing by
simply removing detergent siphoning tube from bottle.
Pressure Washer Rinsing
WARNING: Be extremely careful if you
must use the pressure washer from a
ladder, scaffolding or any other relatively
unstable location. Pressure in a running
washer builds as you climb. When you
press the trigger, the recoil from the initial
spray could force you to fall. The high pressure spray could also force you to fall if you
are too close to the cleaning surface.
Automatic Cool Down System
(Thermal Relief)
If you run the engine on your pressure washer for 3-5
minutes without pressing the trigger on the spray gun,
circulating water in the pump can reach a temperature between 140–145°F. When the water reaches
this temperature, the automatic cool down system
engages and cools the pump by discharging the
warm water onto the ground. This system prevents
internal damage to the pump.
For Rinsing:
• Slide the nozzle forward to high pressure and wait
for the detergent to clear.
• Keep the spray gun a safe distance from the area
you plan to spray.
• Apply a high pressure spray to an small area and
then check the surface for damage. If no damage
is found, you can assume it is okay to continue
cleaning.
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GENERAL MAINTENANCE
RECOMMENDATIONS
Check Detergent Siphoning Tube
Examine the filter on the detergent hose and clean if
clogged. The tube should fit tightly on the barbed fitting. Examine the tube for leaks or tears. Replace the
filter or tube if either is damaged.
The warranty of the high pressure washer does not
cover items that have been subjected to operator
abuse or negligence. To receive the full value from the
warranty, the operator must maintain the high pressure washer as instructed in this manual.
• Some adjustments will need to be made periodically
to properly maintain your high pressure washer.
• All adjustments in the Service and Adjustments section of this manual should be made at least once
each season.
• Once a year you should clean or replace the spark
plug and clean or replace the air filter and check the
gun and wand assembly for wear. A new spark plug
and clean air filter assure proper fuel-air mixture
and help your engine run better and last longer.
Check Gun and Wand
Examine the hose connection to the gun and make
sure it is secure. Test the trigger by pressing it and
making sure it springs back into place when you
release it. Put the safety latch in the ON position and
test the trigger. You should not be able to press the
trigger.
Purge Pump of Air and
Contaminants
To remove the air from the pump, follow these steps:
• Set up the pressure washer as described in the
“PREPARING THE PRESSURE WASHER FOR
FIRST USE” and connect the water supply.
• Remove the wand extension from the gun.
• Pull the trigger on the gun and hold.
To remove the contaminants from the pump, follow
these steps:
• Set up the pressure washer as described in the
HOW TO USE YOUR PRESSURE WASHER section, and connect the water supply.
• Remove the nozzle attachment from the gun.
• Start the engine according to instructions in OPERATION section.
• Squeeze the trigger on the gun and hold.
• When the water supply is steady and constant,
engage the safety latch and refasten the nozzle
attachment.
BEFORE EACH USE
•
•
•
•
Check engine oil level.
Check water inlet screen for damage.
Check high pressure hose for leaks.
Check detergent siphoning tube and filter for
damage.
• Check gun and wand assembly for leaks.
PRESSURE WASHER
MAINTENANCE
Check and Clean Inlet Screen
Examine the screen on the water inlet. Clean it if the
screen is clogged or replace it if screen is damaged.
Cleaning Detergent Siphoning
Tube
Check High Pressure Hose
The high pressure hose can develop leaks from wear,
kinking, or abuse. Inspect the hose each time before
using it. Check for cuts, leaks, abrasions or bulging of
cover, damage or movement of couplings. If any of
these conditions exist, replace the hose immediately.
If you have used the detergent siphoning tube you
must flush it with clean water before stopping the
engine.
• Place the detergent siphoning tube in a bucket full
of clean water.
• Flush for 1-2 minutes.
• Shut off the engine.
Important: Simply shutting OFF engine will not release
pressure in the system. When the engine has shut down,
squeeze the trigger on the gun to relieve the pressure
in the hose.
DANGER: Water spraying from a leak is
capable of injecting material into skin.
Inspect hose each time before using it.
Never repair a high pressure hose.
Replace it with another hose that meets
the maximum pressure rating of your
pressure washer.
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• Remove additional debris by back flushing the
water supply through the nozzle extension (Figure
15). Back flush between 30 to 60 seconds. Turn the
nozzle extension to stream spray and move the
nozzle from low to high while flushing.
Nozzle Maintenance
If the adjustable nozzle becomes restricted or
clogged with foreign materials, such as dirt, excessive
pump pressure may develop. If this nozzle becomes
partially clogged, it can cause a pulsing sensation
during use. This generally is not a pump related
problem, but rather a clogged or partially restricted
adjustable nozzle.
If the adjustable nozzle becomes clogged or partially
restricted, immediately clean the nozzle with the kit
included with your pressure washer by following
these instructions:
• Shut off the engine and turn off the water supply.
• Separate the nozzle extension from the gun.
• Adjust the nozzle extension to the stream position.
• Remove the nozzle from the end of the nozzle extension (Figure 14) using a 2mm or 5/64 allen wrench
(like the one included in the kit).
Figure 15 — Backflushing the nozzle.
• Reinstall the nozzle into the nozzle extension. DO
NOT over tighten.
• Reconnect the nozzle extension to the gun.
• Reconnect the water supply, turn on the water, and
start the engine.
• Test the pressure washer by operating with nozzle
in the high and in the low position.
Figure 14 — Removing and cleaning nozzle.
ENGINE MAINTENANCE
See the engine owner’s manual for instructions on
how to properly maintain the engine.
• Use the wire included in the kit (Figure 14) or a
small paper clip to free the foreign materials clogging or restricting the nozzle.
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CAUTION: Be sure lever is in “STOP”
position before you continue. If you start
engine without proper water supply connected, you can damage pump.
SERVICE AND
ADJUSTMENTS
See the engine Owner’s Manual for instructions on
how to properly service and adjust the engine.
4.Empty the pump of all pumped liquids by pulling the
recoil handle about 6 times. This should remove
most of the liquid in the pump.
NOTE: To protect the unit from freezing temperatures, draw RV antifreeze (no alcohol) into the pump
by pouring windshield washer fluid into a 3-foot section of garden hose connected to inlet adapter and
pulling recoil handle twice.
5.Store in a clean, dry area.
PREPARING THE UNIT FOR
STORAGE
Water should not remain in the unit for long periods of
time. Sediments of minerals can deposit on pump
parts and “freeze” pump action. If you do not plan to
use the pressure washer for more than 30 days,
follow this procedure:
1.Flush detergent siphoning tube by placing the filter
into a pail of clean water while running pressure
washer with nozzle in low pressure mode. Flush for
one to two minutes.
2.Shut off the engine and let it cool, then remove all
hoses.
3.Place the throttle lever in STOP position.
STORING THE ENGINE
See the engine Owner’s manual for instructions on
how to properly store the engine.
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TROUBLESHOOTING POINTS
Problem
Pump has following problems:
failure to produce pressure, erratic
pressure, chattering, loss of pressure,
low water volume.
Cause
Correction
1. Nozzle in low pressure mode.
2. Water inlet is blocked.
3. Inadequate water supply.
4. Inlet hose is kinked or leaking.
5. Clogged inlet hose strainer.
6. Water supply is over 140°F.
7. Outlet hose is blocked or leaks.
8. Gun leaks.
9. Nozzle is obstructed.
10. Pump is faulty.
Detergent fails to mix with spray.
1. Detergent siphoning tube
is not submerged.
2. Chemical filter is clogged.
3. Nozzle is in high pressure mode.
Engine runs good at no-load but “bogs”
when load is added.
Engine speed is too slow.
Engine will not start; or starts
and runs rough.
1. Low oil level.
2. Dirty air cleaner.
3. Out of gasoline.
4. Stale gasoline.
5. Spark plug wire not connected
to spark plug.
6. Bad spark plug.
7. Water in gasoline.
8. Overchoking.
Engine shuts down during operation.
1. Pull nozzle backward for high
pressure mode.
2. Clear inlet
3. Provide adequate water flow.
4. Straighten inlet hose, patch leak.
5. Check and clean inlet hose
strainer.
6. Provide cooler water supply.
7. Clear blocks in outlet hose.
8. Replace gun.
9. Clean nozzle.
10. Contact Generac service facility.
1. Insert detergent siphoning tube into
detergent.
2. Clean or replace filter/detergent
siphoning tube.
3. Push nozzle forward for low
pressure mode.
Move throttle control to FAST .
position. If engine still “bogs down”
contact Generac service facility.
1. Fill crankcase to proper level.
2. Clean or replace air cleaner.
3. Fill fuel tank.
4. Drain gas tank; fill with fresh fuel.
5. Connect wire to spark plug.
9. Excessively rich fuel mixture.
10. Intake valve stuck open or closed.
11. Engine has lost compression.
6. Replace spark plug.
7. Drain gas tank; fill with fresh fuel.
8. Open choke fully and crank
engine.
9. Contact Generac service facility.
10. Contact Generac service facility.
11. Contact Generac service facility.
1. Out of gasoline.
2. Low oil level.
1. Fill fuel tank.
2. Fill crankcase to proper level.
Engine lacks power.
Dirty air filter.
Replace air filter.
Engine “hunts” or falters.
Choke is opened too soon.
Move choke to halfway position
until engine runs smoothly.
High Pressure Washer
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Drawing No. B2810
EXPLODED VIEW — PRESSURE WASHER
High Pressure Washer
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Drawing No. B2810
REPAIR PARTS — PRESSURE WASHER
ITEM
1
2
3
PART NO.
BB2789
B2537
B1262B
QTY.
1
1
1
4
5
6
7
8
9
BB2534
22129
52858
39287
27007
B2142
1
8
2
2
2
2
10
11
12
13
14
15
16
75402
B2168
B1460
B1779
B2347
46476
31669
2
1
4
2
2
2
1
17
B2071
2
18
B2759
1
19
20
21
22
23
24
25
26
B1631A
B2812
B2796
88056
nsp
20566
A1040A
A1041
1
1
1
1
1
1
1
1
DESCRIPTION
BASE, HSPW
ENGINE, Honda 4HP
PUMP, GPW - EG
Horizontal
HANDLE
LOCKWASHER, M8
NUT, M8 Locking Flange
HHCS, M8 x 45
MOUNT, Rubber Foot
WHEEL, 2" x 9" Black
Mag
PUSHNUT, 1/2"
HANGER, Hose
CAP, Vinyl
COVER, Hinge
CAP, End
CAPLUG
BOLT, 1/4" - 20 x 1-3/4"
Carriage
NUT, 1/4" - 20 Locking
Flange
HOOK, Square Neck
1/4" - 20
BILLBOARD
DECAL, 1800 PSI
DECAL, Instructions
DECAL, Data
OVERLAMINATE
DECAL, 1-800 #
HOSE, Chemical
FILTER, Chemical Hose
ITEM
27
28
29
30
PART NO.
A1408
21217
45771
21424
31
32
33
34
B1880
50190
48031G
B2218
3
2
2
2
35
36
37
38
B2486
97100
B1969
30209
1
1
1
4
39
40
41
42
43
44
45
46
B1861
42909
97739
98300
B2517
97566
B3094
B1867E
1
3
1
1
1
1
1
1
47
48
49
50
51
52
53
B2163
B2808
87815
30809
B3107
B3057
48031B
1
1
1
1
1
1
1
High Pressure Washer
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QTY.
1
4
8
1
DESCRIPTION
CAP, Garden Hose Inlet
MOUNT, Vibration
NUT, Hex M8 - 1.25
CONNECTOR, Garden
Hose
NUT, M8 with Washer
WASHER, M8 Flat
CLAMP, Hose 13/32"
O-RING, 1.625" I.D. x
.103"
ADAPTER, Engine
CAP, High Pressure
HOSE, 1/4" x 25’
HHCS, 5/16" - 24 x 1
1/4"
GUN, High Pressure
HHCS, M8 - 1.25 x 30
PLATE, Pump Mounting
SEAL, Engine Donut
DECAL, Recoil
TAG, Nozzle
DECAL 4 HP
WAND, Adjustable
Nozzle
KIT, Nozzle Cleaning
MANUAL, Owners
GOGGLES, Saftey
GROMMET, Drain Hose
HOSE, Thermal Relief
KIT, Maintenance
CLAMP, Hose 3/8"
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Drawing No. B3096
EXPLODED VIEW — PUMP
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Drawing No. B3096
REPAIR PARTS — PUMP
ITEM
PART NO.
DESCRIPTION
QTY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
39
40
41
42
43
44
45
96795
21640
21641
21642
93680
97828
93667
B2557
98227
20110
97830
97831
97832
A1111B
57018
21429
97835
97837
97838
97839
97840
97841
97842
97843
B1253
97845
A2731
97847
A2730
21424
A1575
96137
95379
95380
20631
97934
93873
40946
97851
97962
B3090
20876
B1077
SLEEVE, RUBBER GROMMET SPACER
ASSY., CAGE NEEDLE BEARING 45 X 65
WASHER, BRG. DIA. 45 x 65 x 1T (
WASHER, BRG. DIA. 36 x 65 x 6T [SPECIAL]
SEAL, OIL PISTON DIA. 15
SPRING, PISTON RETURN – EG
SEAL, U-CLIP
CAM, AXIAL 5.6mm w/INSERT
ADAPTER, ENGINE
HOUSING, PISTON AND UNLOADER
RETAINER, PISTON SPRING
SPACER, PILOT
PISTON, DIA. 15-65 LONG
HEAD, PUMP
BEARING, BALL RADIAL
BUSHING, RUBBER
“O” RING, HOUSING SEAL
“O” RING, HI-PRESSURE TRANSFER
ASS’Y, CHECK VALVE – INLET
ASS’Y, CHECK VALVE – OUTLET
“O” RING, INLET PORT CAP
CAP, INLET PORT
SEAT, UNLOADER
“O” RING, UNLOADER VENTURI
PISTON, UNLOADER
SEAL, UNLOADER “PARBACK”
SPRING, UNLOADER
“O” RING, UNLOADER CAP
CAP, UNLOADER
GARDEN HOSE CONNECTOR
BARB, HOSE WITH NYLON INSERT
PLUG, 1/8” NPT [WITH SEALANT]
BALL, DIA. 5.5 CHEMICAL INJECTOR
SPRING, CHEMICAL INJECTOR
VENTURI, CHEMICAL INJECTOR
“O” RING, CHECK VALVE – INLET
LOCK WASHER, M6 RIBBED
SOCKET HEAD CAPSCREW M6-1.0 x 35mm
“O” RING PISTON HOUSING
SOCKET HEAD CAPSCREW, M6-1.0 x 25mm
THERMAL RELIEF
.5 OZ. SEALANT, THREAD LOCKTITE 545
“O” RING VENTURI
High Pressure Washer
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3
1
1
1
3
3
3
1
1
1
3
3
3
1
1
6
1
1
3
3
3
3
1
1
1
2
1
1
1
1
1
1
1
1
1
3
7
4
3
3
1
O
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LIMITED PRESSURE WASHER WARRANTIES
(includes “Master Contractor”)
GENERAC, LLC warrants to the original retail purchaser, the pressure washer manufactured by GENERAC,
LLC to be free from defects in material and workmanship for the period(s) set forth below from the date of
original purchase. This warranty is not transferable. The term “original purchaser” means the person for
whom the pressure washer is originally purchased.
Warranty Schedules
Electric Power Washer
1 year (does not apply to commercial or rental operations)
CONSUMER*
Generac, llc GN-Series Engine-driven Engine: Warranted solely by
Power Washer
Engine Manufacturer
Pump:
1 year
All Other Engine-driven
Engine: Warranted solely by
Power Washers
Engine Manufacturer
COMMERCIAL*
Warranted solely by
Engine Manufacturer
90 days
Warranted solely by
Engine Manufacturer
Pump:
1 year
90 days
* NOTE: For the purpose of this warranty “consumer use” means personal residential household use
by original purchaser. “Commercial Use” means all other uses, including rental, construction, commercial and income producing purposes. Once a pressure washer has experienced commercial use,
it shall thereafter be considered a commercial use pressure washer for the purposes of this warranty.
During said warranty period, GENERAC, LLC will, at its option, repair or replace any part which, upon examination by GENERAC, LLC or GENERAC, LLC Authorized Dealers, is found to be defective under normal use
and service**. All transportation costs under warranty, including return to the factory if necessary, are to be
borne by the purchaser and prepaid by the purchaser.
** NORMAL WEAR: As with all mechanical devices, the GN-Series engines need periodic parts service and replacement to perform well. This warranty will not cover repair when normal use has
exhausted the life of a part or a pressure washer.
THIS WARRANTY DOES NOT INCLUDE: Used products and demonstration equipment. Parts such as
GUNS, HOSES, WANDS, NOZZLES or other wear items such as quick couplers, oil, gauges, belts, O-rings,
filters, pump packing, etc. Pumps which have been run without water supplied. Damage or malfunctions
resulting from: accidents, abuse, modifications, alterations, or improper servicing. Freezing or chemical deterioration. Normal maintenance such as adjustments, fuel system cleaning and obstruction (due to chemical,
dirt, carbon or lime, etc.).
THIS WARRANTY IS IN PLACE OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, SPECIFICALLY,
GENERAC, LLC MAKES NO OTHER WARRANTIES AS TO MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE. The duration of any implied warranties which cannot be disclaimed is limited to
the time period as specified in the express warranty. LIABILITY FOR CONSEQUENTIAL, INCIDENTAL, OR
SPECIAL DAMAGES UNDER ANY AND ALL WARRANTIES IS EXCLUDED, EVEN IF SUCH DAMAGES
ARE A DIRECT RESULT OF GENERAC, LLC’s NEGLIGENCE. Some states do not allow limitations on how
long an implied warranty lasts, or the exclusion or limitation of incidental or consequential damages, so the
above limitations or exclusions may not apply to you. This warranty gives you specific legal rights and you
may also have other rights, which vary from state to state.
For service, see your nearest GENERAC, LLC authorized warranty service facility or call 1-800-333-1322.
Warranty service can be performed only by a GENERAC, LLC authorized service facility. This warranty will
not apply to service at any other facility. At the time of requesting warranty service, evidence of original purchase date must be presented.
GENERAC PORTABLE PRODUCTS, LLC
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