Generac Portable Products 1539-0 User manual

GEN RAC °]
Portable Products
Pressure Washer Owner's Manual I
Questions? Help is just amoment away!
Preguntas? La ayuda es justa un momento lejos!
Call: Generac Pressure Washer Helpline /Ltame:Linea Oirecta del
Lavador a Presi6n de Generac - 1-800-270-1408 M-F 8-5 CT
Web: www.generac-portables.com or www.briggsandstratton.com
Model No. 1539-0 (3,000 PSiHigh Pressure Washer) ManualNo. 187701 Revision 7 (09/19/2002)

GeneracPortableProducts3000PSIPressureWasher
TABLE OF CONTENTS
SafetyRules.................................. 2-3
Know Your PressureWasher ...................... 4
Assembly.................................... 5-7
Operation .................................. 8- I0
Product Specifications........................... I I
Maintenance ............................... I I- 13
Storage...................................... 14
Troubleshooting ............................... 15
Replacement Parts........................... 16-21
Warranty ............................... Last Page
EQUIPMENT
DESCRIPTION
Read this manual carefully and become familiar
with your pressure washer. Know its applications,
its limitations and any hazards involved.
Everyeffort hasbeen madeto ensure that informationin
this manualisaccurateand current However, Generac
reservesthe right to change,alter or otherwise improve the
product andthis document at anytime without prior notice.
WARNING
The engine exhaust from this product contains
chemicals known to the State of California to cause
cancer, birth defects, or other reproductive harm.
the State of California a spark arrester isrequired by law
Section 4442 of the California PublicResourcesCode).
)ther states may havesimilar laws.Federal lawsapplyon
Federallands.If you equip the muffler with a spark arrestel
t must be maintained ineffective working order.
SAFETY RULES
The safety alert symbol (_.) isusedwith a signalword
(DANGER, CAUTION, WARNING), a pictorial and/or a
safety messageto alert you to hazards.DANGER
indicates a hazardwhich, ifnot avoided, will result in death
or serious injury.WARNING indicatesa hazardwhich, if
not avoided, couldresult in death or serious injury.
CAUTION indicates a hazard which, if not avoided, might
result in minor or moderate injury.CAUTION, when
used without the alert symbol, indicates a situation that
could result in equipment damage.Follow safety messages
to avoid or reduce the risk of injuryor death.
WARNING
WHEN ADDING FUEL
Turnpressure washer OFF and let it cool at [east2 minutes
before removing gascap.
Fillfuel tank outdoors.
Do not overfill tank. Allow spacefor fuel expansion.
Keep gasoline awayfrom sparks, open flames, pilot lights, heat,
and other ignitionsources.
Do not lightacigarette or smoke.
eVHEN OPERATING EQUIPMENT
Do not tip engine or equipment at anglewhich causes
gasolineto spill
Do not sprayflammable liquids.
'HEN TRANSPORTING OR REPAIRING EQUIPMENT
Transport/repair with fuel tank EMPTY or with fuel shutoff
valve OrE
eVHEN STORING GASOLINE OR EQUIPMENT WITH
FUEL IN TANK
Store awayfrom furnaces, stoves,water heaters, clothes
dryers or other appliancesthat have pilot lightor other
ignitionsource becausethey can ignite gasolinevapors.
WARNING
Keepwater sprayawayfrom electricwiringor fatalelectric
shockmayresult.
WARNING
Never aim the spraygun at people, animalsor plants.
Do not allow CHILDREN to operate the pressure washer.
Never repair high pressure hose. Replaceit.
/2

Generac Portable Products 3000 PSIPressureWasher
,_ WARNING
Keepspray nozzle between 8 to 24 inches awayfrom cleaning
surface.
Beextremely careful if you must usethe pressure washer from
a ladder, scaffolding or any other relatively unstable location.
The cleaning area should haveadequate slopes and drainage to
reduce the possibility of afall due to slippery surfaces.
Operate this unit on a stable surface.
,_ WARNING
Do not wear loose clothing, jewelry or anything that may be
caught in the starter or other rotating parts.
Tie up long hair and remove jewelry.
,_ WARNING
Always wear eye protection when you usethis equipment or
when you are in the vicinity where the equipment is in use.
,_ DANGER
Operate pressure washer ONLY outdoors.
Use a respirator or mask whenever there is a chance that
vapors may be inhaled.
Readall instructions with mask so you are certain the maskwill
provide the necessaryprotection againstinhaling harmful vapors.
,_ WARNING
Do not touch hot surfaces.
Allow equipment to cool before touching.
,_ WARNING
Disconnect the spark plug wire from the spark plug and place
the wire where it cannot contact spark plug.
,_ CAUTION
Do not tamper with governed speed.
Do not operate the pressure washer abovethe rated pressure.
CAUTION
Do not point spray gun at glasswhen in the jet spray mode.
Never aim the spraygun at plants.
/3

Generac Portable Products 3000 PSIPressureWasher
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. Savethis manualfor future reference.
Nozzle Extension with GasTank Throttle Lever
Quick Connect Choke Lever
Pressure _ FuelValve
Control Knob \. Starter
(on front of engine)
Air Filter
Spray Oil Fill Cap
High Pressure Hose
Pump equipped with
Automatic Coot Down System
Chemical Injection Siphon/Filter
Air Filter -- Protects engine by filtering dust and debris out
of intake air.
Automatic Cool Down System -- Cycles water through
pump when water reaches 125°-155°F. Warm water will
discharge from pump onto ground. This system prevents
internal pump damage.
Chemical Injection Siphon/Filter -- Use to siphon
detergent or other pressure washer chemicals into the low
pressure stream.
Choke Lever -- Prepares a cold engine for starting.
Fuel Valve -- Used to turn fuel on and off to engine.
Gas Tank -- Fill tank with regular unleaded gasoline. Always
leave room for fuel expansion.
High Pressure Hose -- Connect one end to the water
pump and the other end to the spray gun.
High Pressure Outlet with Quick Connect -- To
connect high pressure hose.
High Pressure Outlet
with Quick Connect
Water Inlet
Nozzle Extension with Quick Connect -- Allows you to
switch between four different spray nozzles.
Oil Fill Cap -- Fill engine with oil here.
Pressure Control Knob -- Varies the pressure of the high
pressure spray.
Pump -- Develops high pressure.
Recoil Starter -- Use for starting the engine manually.
Spray Gun -- Controls the application of water onto
cleaning surface with trigger device. Includes safety latch.
Spray Nozzles -- Chemical injection (25°), 0°, t5°, 25°, and
40°: for various cleaning applications.
Throttle Lever--Sets engine in starting mode for recoil
starter and stops a running engine.
Water Inlet -- Connect garden hose here.
/4

Generac Portable Products 3000 PSIPressureWasher
IMPORTANT: Read entire owner's manual before you PREPARING PRESSURE
attempttoassembleor operateyournew pressurewasher, WASHER FOR USE
REMOVE PRESSURE
WASHER FROM
CARTON
• Removethe high pressure hose, handle,and parts box
inctuded with pressure washer.
• Slicetwo corners at the end of carton from top to
bottom so the panel can be folded down fiat, then
remove all packing material.
• Roll pressure w_her out of carton.
Carton Contents
Items in the carton include:
• Main unit
• High pressure hose
• Handle
• Pump oil dipstick (hanging on pump)
If you haveany problems with the assemblyof your
pressure washer or if parts are missingor damaged,call the
pressure washer helpllne at 1-800-270-1408.
To prepare your pressure washer for operation, you
will need to perform these tasks:
• Fill out and sendin the registration card.
• Attach the handle to the main unit.
• Add oil to the engine.
• Add fuel to the fuel tank.
• Connect the high pressure hoseto the spray gun and the
pump.
• Connect the water supply to the pump.
•Connect nozzle extension to spray gun.
• Select and installdesired nozzle.
Attach Handle to the Pressure
Washer
• Accessory box (includes the following):
(2) bottles of engine oil Use either a 13ramor adjustable wrench to attach the
handle to the pressure washer.
Owner's registration card
Safetygoggles
Bagcontaining 5 multi-colored quick connect nozzles
Maintenancekit
Owner's manual
Enginemanual
To attach handle to the pressure washer:
• Slowly tip the pressure washer forward and let it gently
rest on the front bumper.
• Align the holes on the handle with the holes on the base.
• Insert the carriage bolts provided to hold the handle in
place (Figure I).
Enginewarranty card
Emissionscontrol warranty card
Spark arrestor screen
Spraygun with quick connect fitting
Nozzle extension with quick connect fitting
Handle hardware, including 4 carriage bolts and
4 flange nuts
If any of the above parts are missingor damaged,call the
pressure washer helpline at 1-800-270-1408.
/5

GeneracPortableProducts3000PSIPressureWasher
• Securehandletothepressurewasherusingthefour
providedflangenuts.
• Slowlytipthepressurewasherbackinplaceandinsert
themulti-colorednozzlesinthespacesprovidedinthe
handle.
Install Oil Dipstick on Pump
CAUTION! You MUST remove the pump'sshipping cap
and installthe oil dipstick. Failureto do so will void the
warranty and damagethe pump.
To install the oil dipstick:
• Make sure your unit is on a level surface.
• Remove and discard the shipping cap located on the
pump (Figure 2).
Pump Oil
Dipstick
• Install the oil dipstick.
Add Engine Oil
IMPORTANT: Any attempt to crankor start the engine
before it hasbeen properly serviced with the
recommended oil may result in an engine failure.
• Placepressure washer on a levelsurface.
• Refer to the engine owners manual to add recommended
oil to engine.
NOTE: Check oil often during engine break-in. Refer to
engine owner's manualfor recommendations.
Add Gasoline
_IL WARNING! Never fill fuel tank indoors. Never
fill fuel tank when engine is running or hot. Do Not
smoke when filling fuel tank.
_IL ARNING! Never fill fuel tank completely full.
Provide spacefor fuel expansion. Wipe awayany
fuel spillagefrom engine and equipment before
starting.
• Use clean regular unleadedfuel and store inapproved
clean covered containers. Use cleanfill 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.
Slowly filltank to the bottom of the filler neck (Figure 3).
__ Maximum FuelLevel
Install the fuel cap and wipe up anyspilled gasoline.
Connect Hose and Water Supply to
Pump
IMPORTANT: You must attach all hoses before you start
the engine. Starting engine without all hoses connected and
water supplied willdamagethe pump.
• Uncoil high pressure hose and attach quick connect end
of hose to the baseof the spraygun (Figure 4). Pull
down on the collar of the quick connect, slide onto the
spray gun and let go of collar. Tugon hoseto be sure of
a tight connection.
/6

GeneracPortableProducts3000PSIPressureWasher
_ here.
IMPORTANT: Do Not siphon standing water for the
water supply.Use ONLY coldwater (tessthan 100°F).
•Connect the garden hoseto the water inlet.Tighten by
hand (Figure5).
CAUTION! There MUST be at leastten feet of
unrestricted garden hose between the pressure washer
inletand anyflow shut off device,such as a 'Y' shut-off
connector or other convenience-type water shut-o_ valve.
Damage to pressure washer resulting from disregarding this
warning wilt not be covered by the warranty.
• Similarly, attach the other end of the high pressure hose
to the high pressure outlet on the pump. Pull clown on
the collar of the quick connect, slide onto the pump and
let go of collar. Pull on hose to be sure of a tight
connection.
• Before you connect your garden hoseto the water inlet,
inspect the inlet screen (Figure 5). Clean the screen if it
contains debris, replace if damaged.DO NOT RUN THE
PRESSUREWASHER IF THE SCREENIS DAMAGED.
• Turn ON the water and squeezethe trigger on the gun
to purge the pump system of air and debris.
_AUTION! Before starting the pressure washer,
be sure you are wearing adequate eyeprotection.
Checklist Before Starting Engine
Review the unit's assemblyto confirm you haveperformed
all of the following:
Inspectinlet
screen. Do Not
useif damaged;
cleanif dirty.
• Make sure the handle is secure.
• Check for properly tightened hose connections.
• Check to make sure that there are no kinks, cuts, or
damageto the high pressure hose.
• Check that oil hasbeen added to the proper level in the
engine crankcase.
• Add the proper gasolineto fuel tank.
• Provide a proper water supply (not to exceed 100°F)at
a minimum flow of 3.3 gallons per minute.
• Be sure to read "Safety Rules" and "How To Use Your
• Runwater through your garden hose for 30 seconds to PressureWasher" before usingthe pressure washer.
clean out anydebris. Turn off water.
/7

Generac Portable Products 3000 PSIPressureWasher
HOW TO USE YOUR
PRESSURE WASH ER
If you haveany problems operating your pressure washer,
pleasecall the pressure washer helpline at
1-800-270-1408.
How to Start Your Engine
The best way to start your pressure washer for the first
time isto follow these instructionsstep-by-step. This
starting informationalso appliesif havelet the pressure
washer sit idlefor at least a day.
•Placethe pressure washer in anarea close enough to an
outside water source that can flow at a rate of
3.3 gallons per minute or more.
• Make sure the unit isin a level position.
• Check that the high pressure hose is connected to the
spray gun and to the pump. See"Preparing Pressure
Washer for Use" on page5.
• Connect the garden hose to the water inlet on the
pressure washer pump and turn on the water.
CAUTION! Do Not run the pump without the water
supply connected and turned on. You must follow this
caution or the pump will be damaged.
• Squeezethe trigger on the spray gun to relieve the air
pressure caused by turning ON the water. Water will
discharge from the spray gun in a thin stream. Hold the
trigger until a steady stream of water appears. This will
make it easier to putl start the engine. Releasethe
trigger.
• Apply the safety latch to the spray gun trigger (Figure 6).
J
• Move the fuel valve to the "On" position (Figure 7).
Off
•Move the throttle leverto the "Fast" position
(Figure8).
• To start a cold engine, move the choke leverto the
"Closed" position. To restart a warm engine, leave
the choke lever in the "Open" position (Figure9).
Closed
• Setthe engine switch to the "On" position (Figure 10).
EngineSwitch
Grasp starter grip and pull slowly until you feel some
resistance. Then pull cord out with rapid full arm stroke.
Let rope return slowly. Do Not let rope "snap back"
against starter.
/8

Generac Portable Products 3000 PSIPressureWasher
• Ifthe choke lever hasbeen moved to the "Closed"
position to start the engine,gradually move it to the
"Open" position asthe enginewarms up.
• Attach the nozzle extension to the spray gun.Tighten by
hand (Figure I I).
• Select the desired quick connect nozzle and insertit into
the end of the nozzle extension (see "How To Use the
Nozzles").
• Disengagethe safety latch on the spraygun.
How to Stop Your Pressure Washer
• Move the throttle lever to the "Slow" position.
• Move the fuel valve to the "Off" position.
• Wait for the engine to idledown.
• Move the engine switch to the "Off" 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.
Flow to Use the Nozzles
_CAUTION! Never exchange nozzleswithout
lockingthe safety latchon the trigger.
The quick-connect on the nozzle extension allows you to
switch between five different nozzles. The nozzles varythe
spray pattern asshown below (Figure 12).
Follow these instructions to change nozzles:
• Engagethe safety latch on the spray gun.
•Putl back the collar on the quick-connect and pult the
current nozzle off. Store the nozzle in the space provided
on the handlesstorage panel.
NOTE: For a more gentle rinse, select the white 40° or
green 25°nozzle. To scour the surface, select the yellow
15°or red 0° nozzle. To applychemical, select the black
nozzle.
•Putl back on the collar, insertthe new nozzle and release
the collar. Tug on the nozzle to make sure it issecurely
in place.
• For most effective cleaning,keep the spray nozzle
between B to 24 inchesawayfrom the cleaningsurface. If
you get the spray nozzle too close, you maydamagethe
cleaningsurface.
Low Pressure
apply
chemical
Black
25 °
High Pressure
White Green Yellow Red
40° 25° 15° 0°
/9

Generac Portable Products 3000 PSIPressureWasher
Cleaning and Applying Chemical
CAUTION! You must attach all hoses before you
start the engine.Starting the enginewithout all the hoses
connected and without the water turned ON wilt damage
the pump.
IMPORTANT: Use soaps designed specifically for
pressure washers. Household detergents could damage
the pump.
To apply detergent follow these steps:
•Reviewthe useof the nozzles.
• Prepare the detergent solution as required by the
manufacturer.
• Placethe chemical injectionsiphon/fitter into the
detergent container.
CAUTION! Keep the chemical injection tube from
coming in contact with the hot muffler.
• Make sure the black nozzle is installed.
NOTE: Detergent cannotbe applied with the high
pressure nozzles(White, Green, Yellow, or Red).
• Make sure the garden hose isconnected to the water
inlet.Check that the high pressure hose isconnected to
the spraygun and the pump and start the engine.
• Apply the detergent to a dry surface, starting at lower
portion of area to be washed and work upward, using
long,even, overlapping strokes. Do Not allow the
detergent to dry on (prevents streaking).
• Allow the detergent to soak in between 3-5 minutes
before washing and rinsing. Reapplyas needed to prevent
surface from drying.
Pressure Washer Rinsing
_ARNING! Be extremely careful ifyou must
use the pressure washer from a ladder,scaffolding
or anyother relatively unstable location.Hose
water pressure builds asyou climb. When you press
the trigger, the recoil from the initialspray canbe
very strong. The high pressure spray could cause
you to falt ifyou are too close to the cleaning
surface.
After you have applied detergent, scour the surface
and rinse it clean as follows:
• Apply safety latch to spray gun.
• Remove the black chemical nozzle from the nozzle
extension.
• Select and installthe desired high pressure nozzle
following the instructions"How to Use the Nozzles" on
page9.
• Keep the spray gun a safedistance from the area you
plan to spray.
•Increaseor decrease spray pressure by turning the
pressure control knob counterclockwise or clockwise
respectively (Figure 13).Use lower pressure to wash
itemssuch a asa car or boat. Use higher pressure to
strip paint and degreasedriveways.
• Apply a high pressure spray to a small area and then
check the surface for damage.If no damageisfound, you
can assumeit isokay to continue cleaning.
• Start at the top of the area to be rinsed, working down
with same overlapping strokes asyou usedfor cleaning.
Automatic Cool Down System
(Thermal Relief)
If you run the engine on your pressure washer for
3-5 minutes without pressingthe trigger on the spray gun,
circulating water in the pump can reach a temperature
between 125°-155°E At this temperature, the system
engagesand cools the pump by discharging the warm
water onto the ground. This system prevents internal
damageto the pump.
/10

SPECIFICATIONS
Rated Pressure ..... 3,000 PSI
Flow Rate .......... 3.0 gallonsper minute (gpm)
Detergent .......... Use detergent approved for
pressure washers
Water Supply
Temperature ....... Not to exceed 100°F
Automatic Cool .... Will cyclewhen water
Down System reaches 125°-155°F
Shipping Weight .... 142lbs.
GENERAL MAINTENANCE
RECOMMENDATIONS
The pressure washer warranty does not cover items that
have been subjected to operator abuse or negligence. To
receive 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 maintenance in this manualand the engine owner's
manual should be madeat leastonce eachseason.
• Once a year you should cleanor replace the spark plug,
clean or replacethe air filter and check the spray gun and
nozzle extension assemblyfor wear. A new spark plug
and cleanair filter assureproper fuebair mixture and
help your engine run better and lastlonger.Pleaserefer
to your engine owner's manualfor more details.
Before Each Use
Check engineoil level.
Check water inletscreen for damage.
Check in-line filter for damage.
Check high pressure hose for leaks.
Check detergent siphoning tube and filter for damage.
Check spraygun, nozzle extension, and nozzles for leaks.
Rinseout garden hoseto flush out debris.
PRESSURE WASHER
MAINTENANCE
Check and Clean Inlet Screen
Examinethe screen on the water inlet.Clean it if the
screen isclogged or replace it if screen is damaged.
Check High Pressure Hose
The high pressure hose candevelop leaksfrom wear,
kinking, or abuse. Inspect the hose eachtime before using
it. Check for cuts, leaks,abrasions or bulgingof cover,
damageor movement of couplings. If any of these
conditions exist, replace the hose immediately.
_ARNING! Never repair a high pressure hose.
Replace it with another hose that exceedsthe
maximum pressure rating of your pressure washer.
Check Detergent Siphoning Tube
Examinethe filter on the detergent tube and clean if
clogged. The tube should fit tightly on the barbed fitting.
Examinethe tube for leaksor tears. Replacethe filter or
tube ifeither isdamaged.
Cleaning Detergent Siphoning Tube
If you used the detergent siphoning tube, you must flush it
with clean water before stopping the engine.
•Placethe chemical injectionsiphon/fitter in a bucket full
of clean water.
• Attach the black low pressure nozzle.
• Flush for I-2 minutes.
• Shut off the engine.
IMPORTANT: Simply shutting OFF engine wilt not
release pressure in the system. When the engine has
shut down, squeeze the trigger on the spray gun to
relieve the pressure in the hose.
/II

Generac Portable Products 3000 PSIPressureWasher
Check Gun and Nozzle Extension
Examine the hose connection to the spray gun and make
sure it is secure.Test the trigger by pressingit andmaking
sure it springs back into placewhen you release it. Put the
safety latch in the on position and test the trigger. You
should not be able to pressthe trigger.
Check In-Line Filter
Refer to Figure 14and service the in-linefilter if it
becomes clogged,asfollows:
Nozzle Extension
I. Detach spray gun and nozzle extension from high
pressure hose. Detach nozzle extension from spray
gun and remove o-ring and screen from nozzle
extension. Flush the screen, spray gun, and adjustable
nozzle extension with cleanwater to clear debris.
2. If the screen is damaged,the o-ring kit contains a
replacement in-line filter screen and an o-ring. If
undamaged,reusescreen.
3. Placethe in-line filter screen into the threaded end of
the nozzle extension. Direction does not matter. Push
the screen in with the eraser end of a pencil until it
rests fiat at the bottom of the opening. Takecare to
not bend the screen.
4. Placethe o-ring intothe recess. Pushthe o-ring snugly
against the in-linefilter screen. 3.
5. Assemble the nozzle extension to the spray gun, as
described earlier in this manual. 4.
Purge Pump of Air and
Contaminants
To remove air from the pump, follow these steps:
•Set up the pressure washer asdescribed in "Preparing
PressureWasher For Use". Connect the water supply
and turn water on.
• Pull the trigger on the spraygun and hold.
• When the water supply issteady and constant, engage
the safety latch.
To remove contaminants from the pump, follow
these steps:
• Set up the pressure washer as described in "Preparing
PressureWasher For Use". Connect the water supply
and turn water on.
• Start the engineaccording to instructionsin "To Start
Your PressureWasher".
• Remove nozzle extension from spray gun.
• Squeezethe trigger on the spray gun and hold.
• When the water supply issteady and constant, engage
the safety latch and reattach the nozzle extension.
Nozzle Maintenance
A pulsing sensationfelt while squeezingthe spray gun
trigger may be caused by excessivepump pressure. The
principal causeof excessivepump pressure isa nozzle
clogged or restricted with foreign materials, such asdirt,
etc. To correct the problem, immediatelycleanthe nozzle
usingthe tools includedwith your pressure washer and
follow these instructions:
I. Shut off the engine and turn off the water supply.
2. Removethe nozzle from the end of the nozzle
extension (Figure 15).
Use wire here /._/
t° drebmi°ve_
5.
Remove the in-line filter from the other end of the
nozzle extension.
Use the wire included in the kit (or a small paper clip)
to free anyforeign material clogging or restricting the
nozzle (Figure 15).
Using a garden hose, remove additional debris by back
flushing water through the nozzle extension
(Figure 16).Back flush between 30 to 60 seconds.
/12

Generac Portable Products 3000 PSIPressureWasher
6. Reinstall the nozzle and in-line filter into the nozzle
extension. Do Not overtighten the nozzle with the
allen wrench.
7. Reconnect the nozzle extension to the spray gun.
8. Reconnect the water supply, turn on the water, and
start the engine.
9. Test the pressure washer by operating with each of the
Quick Connect nozzles.
O-Ring Maintenance
Through the normal operation of your pressure washer,
o-rings, which keep the connections of the hoses and spray
gun tight and leak-free, may become worn or damaged.
An O-Ring MaintenanceKit is provided with your pressure
washer which includes replacement o-rings, rubber washer
and water inlet filter. Refer to the instruction sheet
provided in the kit to service your unit's o-rings. Note that
not all of the parts in the kit will be used on your unit.
To remove a worn or damaged o-ring:
• Use a small flathead screwdriver to get underneath the
o-ring and pry it off.
Pump Maintenance
Changing Pump Oil
Change oil after first SO hours of operation and then every
200 hours or 3 months, whichever occurs first.
NOTE: When changingpump oil, useonly high quality
nondetergent 30 weight oil Use no special additives.
Change pump oil as follows:
• Clean area around brass oil drain plug at the bottom of
the pump.
• Remove oil drain plug. Drain oil completely into an
approved container.
• When oil has completely drained, install oil drain plug
and tighten firmly.
• Clean area around pump oil dipstick. Remove dipstick
and fill pump with recommended oil to the "Full" mark
on the dipstick.
• Install the pump oil dipstick.
• Wipe up any spilled oil.
ENGINE MAINTENANCE
See the engine owner's manual for instructions on how to
properly maintain the engine.
AAUTION! Avoid prolonged or repeated skincontact with used motor oil. Used motor oil has
been shown to causeskin cancer in certain
laboratory animals.Thoroughly wash exposed areas
with soapand water. KEEPOUT OF REACH OF
CHILDREN. DON'T POLLUTE. CONSERVE
RESOURCES.RETURN USED OIL TO
COLLECTION CENTERS.
/13

GeneracPortableProducts3000PSIPressureWasher
PREPARING THE UNIT
FOR STORAGE
Water should not remain in the unit for long periods of
time. Sedimentsor minerals candeposit 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:
I. Flushdetergent siphoningtube by placingthe filter into
a pail of clean water while running pressure washer in
low pressure mode. Flushfor one to two minutes.
2. Shut off the engine and let it cool, then remove all
hoses. Disconnect spark plug wire from spark plug.
3. Emptythe pump of all pumped liquids by pulling the
recoil handle about 6 times. This should remove most
of the liquid in the pump.
4. Use Generac brand pump saverto prevent corrosion
build up and freezing of pump.
5. Store unit in a clean,dry area.
Protecting the Pump
To protect the pump from damagecaused by mineral
deposits or freezing, use the Generac PumpSaverto treat
pump. This prevents freeze damageand lubricates pistons
and seals.
NOTE: Generac PumpSaverisavailableasan optional
accessory.It is not includedwith the pressurewasher.
CAUTION! You must protect your unit from freezing
temperatures. Failure to do so will permanently damage
your pump and render your unit inoperable. Freeze damage
is not covered under warranty.
_ CAUTION! Readand follow all cautions and
warningson the PumpSavercan label.Always wear
eye protection when using PumpSaver.
To use PumpSaver, make sure the pressure washer is
turned off and disconnected from supply water. Read and
follow all instructions and warnings given on the PumpSaver
container.
NOTE: PumpSaverwill drip from pump after treatment
and will stain wood and concrete.
NOTE: If PumpSaverisnot available,draw RVantifreeze
(non-alcohol) into the pump by pouring the solution into a
3-foot section of garden hose connected to inlet adapter
and pulling recoil handle twice.
STORING THE ENGINE
See the engine owner's manual for instructions on how to
properly prepare the engine for storage.
I14

Generac Portable Products 3000 PSIPressureWasher
TROUBLESHOOTING
Problem
Pump has following
problems: failure to produce
pressure, erratic pressure,
chattering, loss of pressure,
low water volume.
Cause
I. Low pressure nozzle installed.
2. Water inletisblocked.
3. Inadequatewater supply.
4. Inlet hose iskinked or leaking.
5. Clogged inlet hose strainer.
6. Water supply isover 100°F.
7. High pressure hose is blocked
or leaks.
8. Gun leaks.
9. Nozzle is obstructed.
10. Pump isfaulty.
I. Detergent siphoning tube is not
submerged.
2. Chemical filter is clogged.Detergent fails to mix with
spray.
Engine runs good at no-load
but "bogs" when load is
added.
Engine will not start; or
starts and runs rough.
Engine shuts down during
operation.
Engine lacks power.
Engine "hunts" or falters.
3. Dirty in-linefilter.
4. High pressure nozzle installed.
Enginespeed istoo slow.
I. Low oil level.
2. Dirty air cleaner.
3. Out of gasoline.
4. Stalegasoline.
5. Sparkplug wire not connected
to spark plug.
6. Badspark plug.
7. Water ingasoline.
8. Overchoking.
9. Excessivelyrich fuel mixture.
10. Intake valvestuck open or
closed.
I I. Enginehaslost compression.
I. Out of gasoline.
2. Low oil level.
Dirty air filter.
Choke isopened too soon.
Correction
I. Replacenozzle with high pressure nozzle.
2. Clear inlet.
3. Provide adequatewater flow.
4. Straighten inlet hose, patch leak.
5. Check and clean inlethose strainer.
6. Provide cooler water supply.
7. Clear blocks inoutlet hose.
8. Replacegun.
9. Clean nozzle.
10. Contact Generac service facility.
I. Insert detergent siphoning tube into
detergent.
2. Clean or replacefitter/detergent
siphoning tube.
3. See"Check In-Line Filter" on page 12.
4. Replacenozzle with low pressure nozzle.
Move throttle control to FAST position. If
engine still "bogs down", contact Honda
service facility.
I. Fillcrankcaseto proper level.
2. Clean or replace air cleaner.
3. Fill fuel tank.
4. Drain gastank; fill with fresh fuel.
5. Connect wire to spark plug.
6. Replacespark plug.
7. Drain gastank; fill with fresh fuel.
8. Open choke fully and crank engine.
9. Contact Honda service facility.
10. Contact Honda service facility.
I I. Contact Honda service facility.
I. Fillfuel tank.
2. Fill crankcaseto proper level.
Replaceair filter.
Move choke to halfwayposition until engine
runs smoothly.
/15

GeneracPortableProducts3000PSIPressureWasher
2 ¸ _rs
EXPLODED VIEW --- UNIT
\\
\
17_ \
FRDNT VIEW
OF HANDLE
46_ \
33_ \
J
38 _
/16

2 ¸ _rs
Generac Portable Products 3000 PSIPressureWasher
PARTS LIST--- UNIT
Item Part# Qty. Description
I NSP I ENGINE
2 B2043GS 4 BOLT,Carriage
3 B190548GS I BASE
4 CB3861CGS I HANDLE
5 B4160GS I DECAL, Instructions
6 99583GS 5 NUT
7 B2150GS I HOOK, Square Neck
8 B2516GS 2 CAP, Vinyl
9 CB4105GS I BUMPER
10 30809GS 5 GROMMET
II 187974AGS I DECAL, 5 QD Nozzles
12 187735GS I DECAL, Unit
13 88521GS 2 ASSY,Wheel
14 190146GS 2 PUSHNUT
15 48031GGS I CLAMP, Hose
16 AI040DGS I HOSE, Chemical Inject
17 AI041GS I FILTER,Chemical Hose
18 B4805GS I HOSE
19 87815GS I GOGGLES, Safety
20 BI436BGS I GUN, with Molded Grip
21 23645GS 4 SCREW
22 22237GS 4 WASHER, Lock
23 187701GS I MANUAL, Owners
24 B3858GS I ASSY,Wand Ext. with QD
25 B1464GS I MANUAL, Engine
26 BB3061BGS 2 BOTTLE, Oil
28 190862GS I KIT, Maintenance
29 188194GS 2 RIVET,Blind
31 191413GS 2 VIBE MOUNT, with Washer
33 B2126AGS I ASSY,Pump (see pages 18-21)
34 64416GS 4 BOLT
35 52859GS 4 NUT, Lock
36 B4224GS SCREEN,Gun Inlet
37 186839GS INLET, Garden Hose
38 97837GS O-RING, High Pressure Hose
39 95458GS CONNECT, Quick
40 B1554GS VALVE,Thermal Relief
41 186301GS KIT, Nozzles QD
42 63281GS KEY
43 187952GS DECAL, Cool Down System
44 187918GS DECAL, Quick Reference
45 B4196GS KIT, Handle Hardware
46 11287628PGS DIPSTICK, Pump
/17

Generac Portable Products 3000 PSIPressureWasher
2 ¸ _r3
EXPLODED VIEW 1PUMP
2
6
33
34
35_
3&
36
32
38
31
414
40
29
45 46
30
14
13 15
17
28
26 25 24 23
16
/18

2 ¸ _rs
Generac Portable Products 3000 PSIPressureWasher
PARTS LIST-- PUMP
Item Part #
I
2
3
4
5
6
7
8
9
I0
II
12
13
14
15
16
17
18
19
20
21
22
23
Qty Description
IIOB2126GS
10887628PGS
112B2126GS
113B2126GS
109B2126GS
11287628PGS
11087822PGS
11187822PGS
123B2126GS
11687628PGS
11587628PGS
115B2126GS
120B2126GS
119B2126GS
118B2126GS
117B2126GS
116B2126GS
12687628PGS
12587628PGS
149B2126GS
155B2327GS
152B2126GS
63281GS
Cap
Circtip
SnapRing
Bearing
Pump Body
Oil Cap/Dipstick
3 Nut
3 Piston Washer
3 Piston
3 Spacer Disc
3 O-Ring
3 Piston Pin
3 Guiding Piston
3 Con Rod
I Complete Rear Cover
6 Screw
I O-Ring
I SnapRing
I Bearing
I Hollow Shaft
4 Screw
I Grub Screw
I Key
Item Part # Qty Description
24 150B2126GS I Gas EngineFlange
25 22237GS 4 Washer, Lock
26 23645GS 4 Screw
27 151B2126GS I Bushing
28 12187822PGS I Seal
29 B1554GS I Valve,Thrmal Relief
30 10487628PGS 2 Plug
31 137B2126GS 8 Washer
32 10087822PGS 8 Screw
33 102B2126GS 6 Plug
34 10187822PGS 6 O-Ring
35 10287822PGS 6 Complete Valve
36 10387822PGS 6 O-Ring
37 11193360PGS I Plug
38 136B2126GS I Head
39 10387628PGS 2 O-Ring
40 106B2126GS 3 Support Ring
41 10587822PGS 3 Gasket
42 108B2126GS 3 Piston Guide
43 10393360PGS 3 Gasket
44 10493360PGS 3 O-Ring
45 131B2126GS 3 Rear Piston Guide
46 16593360PGS 3 Seal
Service Kits:
A
500-87628PGS
Valve Kit
Item Qty.
35 6
36 6
B
201-B2126GS
Piston Kit
Item Qty.
8 3
C
202-B2126GS
Oil Seat Kit
Item Qty.
I 1
17 I 40 3
46 3
D
203-B2126GS
Water SeatKit
Item Qty.
41 3
44 3
E
204-B2126GS
Support Ring
Kit
Item Qty.
/19

GeneracPortableProducts3000PSIPressureWasher
2 ¸ _r3
EXPLODED VIEW i UNLOADER
43 /
42
41 38
39
/
4O
/20