Generac Power Systems 1439-0 User manual

High Pressure Washer Owner’s Manual
This is the safety alert symbol. It is used to alert you to potential personal injury hazards.
Obey all safety messages that follow this symbol to avoid possible injury or death.
2100PSI
GENERAC
The Reliable Ones
Model No. 14 9-0 (2,100 PSI High Pressure Washer) Manual No. B5700 Revision 1 (5/18/2000)
Visit our Generac website: www.generac-portables.com
Problems?
Questions?
Before taking your unit
back to the store,
call the pressure washer
helpline at
1-800- 70-1408
M-F 8-5 CT

Generac Portable Products 2,100 PSI High Pressure Washer
2
EQUIPMENT DESCRIPTION
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.
This manual contains information for a high pressure
washer that operates at 2,100 PSI at a flow rate of
2.0 gallons per minute. This high quality residential
system features 9 wheels, axial cam pump with
stainless steel pistons, automatic cool down system,
chemical injection system, adjustable spray nozzle.
Includes safety goggles, heavy duty 25 hose, and
more.
Please read and retain this manual. The instructions
will enable you to assemble your unit without tools,
and maintain your high pressure washer properly.
Every effort has been made to ensure that the
information in this manual is both accurate and
current. However, Generac reserves the right to
change, alter or otherwise improve the product and its
documentation at any time without prior notice.
Should you experience any problem you cannot easily
remedy, call the pressure washer helpline at
1-800- 70-1408.
CUSTOMER
RESPONSIBILITIES
 Read and observe the safety rules.
 Follow regular schedule in maintaining, caring for
and using your high pressure washer.
 For off-season storage, review Preparing the Unit
for Storage on page 14.
SAFETY RULES
CAUTION! When setting up, transporting,
adjusting or making repairs to your high
pressure washer, always disconnect the spark
plug wire from the spark plug and place the
wire where it cannot contact spark plug.
DANGER! 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.
DANGER! 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.
Read this manual carefully and become familiar
with your pressure washer. Know its applications,
its limitations, and any hazards involved.
 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.
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects, or other reproductive harm.
WARNING:

Generac Portable Products 2,100 PSI High Pressure Washer
 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.
Never use a spray gun which does not have a trigger
lock or trigger guard in place and in working order.
 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.
 Units with broken or missing parts, or without
protective housing or covers, should NEVER be
operated.
 Operate and store this unit on a stable surface.
 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.
Do Not secure the spray gun in the open position.
 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.
Never aim the spray gun at people, animals or
plants. The high pressure stream of water that this
equipment produces can pierce skin and its
underlying tissues, leading to serious injury and
possible amputation.
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.
 Always wear eye protection when you use this
equipment or when you are in the vicinity where the
equipment is in use.
 High pressure spray can cause paint chips or other
particles to become airborne.
Do Not operate the pressure washer above the
rated pressure.
Never move the machine by pulling on the high
pressure hose. Use the handle provided on the unit.
 Always be certain the spray gun, nozzles and
accessories are correctly attached.
 High pressure spray may damage fragile items
including glass. Do Not point spray gun at glass
when in the jet spray mode.
 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 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 as you could be
severely burned.
 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
exceeds maximum pressure rating of your unit.
 The muffler and air cleaner must be installed and in
good condition before operating the pressure
washer. These components act as spark arresters if
the engine backfires.
In the State of California a spark arrester 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 muffler with a spark arrester, it
must be maintained in effective working order. You can
order a spark arrester through your authorized Briggs
and Stratton service dealer.

Generac Portable Products 2,100 PSI High Pressure Washer
4
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.
Adjustable Nozzle  Always attached to nozzle
extension. Adjustable nozzle allows you to adjust
spray pressure 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.
Choke Lever  Prepares a cold engine for starting.
High Pressure Hose  Connect one end to water
pump and the other end to spray gun.
High Pressure Outlet  Connection for high
pressure hose.
Oil Fill/Dipstick  Check and fill with oil here.
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 Control Lever  Sets engine in starting
mode for recoil starter and stops a running engine.
Water Inlet  Connection for garden hose.
High Pressure Hose
Adjustable Nozzle
Throttle Control Lever
High Pressure Outlet
Pump equipped with
Automatic Cool Down
System
Spray Gun
Water Inlet
Oil Fill/Dipstick
Recoil Starter
Choke Lever
Air Cleaner

Generac Portable Products 2,100 PSI High Pressure Washer
5
Read entire owners manual before you attempt
to assemble or operate your new pressure
washer.
REMOVE PRESSURE
WASHER FROM CARTON
 Remove the high pressure hose and parts box
included with pressure washer.
 Slice two corners at the 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.
Carton Contents
Items in the carton include:
 Main Unit
 Parts Box (which includes the following):
 Wireform
 Goggles
 Handle Assembly
 Handle Fastening Hardware
 Nozzle Cleaning Kit
 High Pressure Hose
 Owners Manual
 Engine Manual
 Owners Registration Card
 Spray Gun
 Nozzle Extension
 Oil Bottle
 O-Ring Maintenance Kit
If any of the above parts are missing or damaged, call
the pressure washer helpline at 1800 701408.
PREPARING 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- 70-1408.
To prepare your pressure washer for operation,
you will need to perform these tasks:
 Attach the handle and wire form.
 Add oil to the engine crankcase.
 Add fuel to the fuel tank.
 Connect the high pressure hose to the spray gun
and the pump.
 Connect the water supply to the pump.
Attach Handle and Wire Form
NOTE: All assembly operations given in this section
will be described from the perspective of assembling
the pressure washer from the rear.
 Place the handle onto the handle supports already
connected to the main unit. Make sure the holes in
the handle align with the holes on the handle
supports (Figure 1).
NOTE: It may be necessary to move the handle
supports from side to side in order to align the handle
so it will slide over the handle supports.
Make sure the
holes on the
handle are
aligned with
the holes on
the handle
supports
Handle
Handle
Supports
Figure 1  Attach Handle to Base

Generac Portable Products 2,100 PSI High Pressure Washer
6
 Insert the carriage bolt through the left hole (from
the rear of the unit) and attach a plastic knob.
Tighten by hand (Figure 2).
 Insert the carriage hook through the right hole (from
the rear of the unit). Pull the recoil handle out slowly.
Place the recoil string through the hook and attach
the plastic knob. Tighten by hand (Figure 2).
 Insert the wire form with the longer arm positioned
on the left. From the rear of the unit, the hook
should resemble a J (Figure ).
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.
 Place pressure washer on a level surface.
 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 manual for recommendations.
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.
WARNING! Never fill fuel tank completely full.
Provide space for fuel expansion. Wipe away
any fuel spillage from engine and equipment
before starting.
Use fresh, clean unleaded automotive gasoline 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 area around fuel fill cap, remove cap.
 Slowly add UNLEADED regular gasoline to fuel
tank. Use a funnel to prevent spillage. Slowly fill tank
to about 1/2 below the bottom of the filler neck
(Figure 5).
 Install fuel cap and wipe up any spilled 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 will damage the pump.
 Uncoil the high pressure hose and attach one end of
the hose to the base of the spray gun (Figure 6).
Tighten by hand.
Figure  Attach Wire Form to Handle
Figure 2  Secure Handle
Figure 5  Add Gasoline to Fuel Tank

Generac Portable Products 2,100 PSI High Pressure Washer
7
 Attach the other end of the high pressure hose to
the high pressure fitting on the pump (Figure 7).
Tighten by hand.
 Before you connect your garden hose to the water
inlet, inspect the inlet screen (Figure 8). Clean the
screen if it contains debris, replace it if it is
damaged. DO NOT RUN THE PRESSURE
WASHER IF THE SCREEN IS DAMAGED.
 Run water through your garden hose for 0 seconds
to clean out any debris. Turn off water.
 Connect the garden hose to the water inlet. Tighten
by hand (Figure 8).
WARNING! There MUST be at least ten feet
of unrestricted garden hose between the
pressure washer inlet and any flow shut off
device, such as a Y shut-off connector or other
convenience-type water shut-off valve. Damage
to pressure washer resulting from disregarding
this warning will not be covered by the warranty.
 Turn ON the water and squeeze the trigger on the
spray gun to purge the pump system of air and
impurities.
CAUTION: Before starting the pressure
washer, be sure you are wearing adequate eye
protection.
CHECKLIST BEFORE
STARTING ENGINE
Review the units assembly to confirm you have
performed all of the following:
 Make sure the handle and wire form are in place
and secure.
 Check that oil has been added to the proper level in
the engine crankcase.
 Add the proper gasoline to fuel tank.
 Check for properly tightened hose connections.
 Check to make sure that there are no kinks, cuts, or
damage to the high pressure hose.
 Provide a proper water supply (not to exceed 140°F)
at an adequate flow.
 Be sure to read Safety Rules and How To Start
Your Engine before using the pressure washer.
Connect High Pressure
Hose Here
Figure 6  Connect High Pressure Hose to Spray Gun
Figure 7  Connect High Pressure Hose to Water
Outlet
Inlet Screen
Figure 8  Connect Garden Hose to Water Inlet

Generac Portable Products 2,100 PSI High Pressure Washer
8
HOW TO USE YOUR
PRESSURE WASHER
If you have any problems operating your pressure
washer, please call the pressure washer helpline at
1-800- 70-1408.
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. You may also refer to your engine
owners manual. 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 to an
outside water source capable of supplying water at a
flow rate greater than 2.2 gallons per minute.
 Check that the high pressure hose is tightly
connected to the spray gun and to the pump. See
Preparing Pressure Washer for Use on page 5.
 Make sure unit is in a level position.
 Connect the garden hose to the water inlet on the
pressure washer pump. 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.
 Move the choke lever to the Choke position
(Figure 9).
NOTE: For a warm engine, be sure the choke lever is
in the Run position.
 Move throttle lever to the Fast position, shown in
Figure 9 as a rabbit. Always keep the throttle in the
Fast position while pressure washing.
 Ensure the nozzle extension is NOT attached to the
spray gun. Stand at the rear of the unit, as shown in
Figure 10.
 While resting the heel of your hand on the units
handle as shown, grasp the spray gun with your left
hand. Squeeze the trigger on the spray gun. Water
will flow out of the spray gun in a thin stream.
Continue to squeeze the trigger. Your left hand will
also serve to steady the unit.
Throttle Lever
Choke Lever
Figure 9  Throttle and Choke Controls
Figure 10  Recommended Engine Starting Posture
Right Hand
pulls recoil
starter handle
Safety Goggles
Left Hand
stabilizes unit and
squeezes trigger
Do Not attach
either nozzle
extension

 Grasp the recoil starter handle with your right hand
and pull slowly until you feel some resistance. Then
pull rapidly to start the engine.
 Return the starter handle slowly. Do Not let rope
snap back against starter.
 If the choke lever was placed in the Choke
position to start the engine, move it slowly to the
Run position as the engine warms up enough to
run smoothly.
 If the engine fails to start, review instructions given
in the engine owners manual.
 Engage the safety latch to the spray gun trigger
(Figure 11).
 Attach the adjustable nozzle extension to the spray
gun. Tighten by hand (Figure 12).
How to Stop Your Pressure Washer
 Move throttle lever on engine to Stop position.
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.
How to Use the Adjustable Nozzle
You now should know how to START your pressure
washer and how to STOP it. The information in this
section will tell you how to adjust the spray pattern
and apply detergent or other cleaning chemicals.
DANGER! Never adjust spray pattern when
spraying. Never put hands in front of nozzle to
adjust spray pattern.
The adjustable nozzle affixed to the nozzle extension
permits you to adjust the spray pattern and the spray
pressure, as follows:
 Slide the nozzle forward to adjust the spray to low
pressure mode (Figure 1 ). Slide the nozzle
backward to achieve high pressure.
 Point the nozzle down towards a firm surface and
press the trigger to test the pattern (Figure 14).
Generac Portable Products 2,100 PSI High Pressure Washer
9
Safety Latch
Figure 11  Spray Gun with Safety Latch Engaged
Slide nozzle backward
for high pressure
mode.
Slide nozzle forward
for low pressure mode
and detergent
application.
Figure 1 - Adjusting Spray Pressure
Figure 14  Test the Spray Pattern
Figure 12  Connect Nozzle Extension to Spray Gun

Generac Portable Products 2,100 PSI High Pressure Washer
10
 Twisting the nozzle adjusts the spray pattern from a
narrow pattern to a fan pattern (Figure 15).
 For most effective cleaning, keep the spray nozzle
between 8 to 24 inches away from cleaning surface.
 If you get the spray nozzle too close, especially
using high pressure mode, you may damage the
surface being cleaned.
Do Not get closer than 8 inches when cleaning tires.
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.
To apply detergent, follow these steps:
 Review the use of adjustable nozzles.
 Prepare detergent solution as required by the job.
 Hang the detergent solution on the hook of the
wireform attached to the handle, as shown in
Figure 16.
 Place the small filter end of the detergent siphoning
tube into the detergent container.
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 solution bottle, route the
tube so as to keep it from inadvertently
contacting the hot muffler.
 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.
 Start the engine and attach nozzle extension.
 Slide the adjustable nozzle forward to low pressure
mode. Detergent cannot be applied with the nozzle
in high pressure position.
 Apply detergent to a dry surface, starting from the
bottom and working up.
 Allow the detergent to soak in for -5 minutes
before washing and rinsing. Reapply as needed to
prevent surface from drying.
 For washing, start at lower portion of area to be
washed and work upward, using long, even,
overlapping strokes.
Figure 16  Insert Filter into Container
Twist nozzle
counterclockwise for
fan spray pattern.
Twist nozzle clockwise
for narrow spray
pattern.
Figure 15 - Adjusting Spray Pattern

Generac Portable Products 2,100 PSI High Pressure Washer
11
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 cause you to
fall. The high pressure spray could also cause
you to fall if you are too close to the cleaning
surface.
For Rinsing:
 Slide the nozzle backward to high pressure, press
the trigger and wait for the detergent to clear.
NOTE: You can also stop detergent from flowing by
simply removing detergent siphon tube from bottle.
 Keep the spray gun a safe distance from the area
you plan to spray.
 Apply a high pressure spray to a small area, then
check the surface for damage. If no damage is
found, it is okay to continue cleaning.
 Start at the top of the area to be rinsed, working
down with same overlapping strokes as you used for
washing and applying detergent.
Automatic Cool Down System
(Thermal Relief)
If you run the engine on your pressure washer for
-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.
SPECIFICATIONS
Outlet Pressure . . . . 2,100 psi
Flow Rate . . . . . . . . . 2.0 gallons per minute (gpm)
Detergent . . . . . . . . . Use detergent approved for
pressure washers
Water Supply Temp . Not to Exceed 140°F
Automatic Cool . . . . Will cycle when water
Down System . . . . . . reaches 140°-145°F

Generac Portable Products 2,100 PSI High Pressure Washer
12
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 manual and the engine
owners manual should be made at least once each
season.
 Once a year you should clean or replace the spark
plug, clean or replace the air filter and check the
spray gun and adjustable nozzle extension
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. Please refer to
your engine owners manual for more details.
BEFORE EACH USE
 Check engine oil level.
 Check water inlet screen for damage.
 Check in-line filter for damage.
 Check high pressure hose for leaks.
 Check detergent siphoning tube and filter for
damage.
 Check spray gun and adjustable nozzle extension
assembly for leaks.
 Rinse out garden hose to flush out debris before
connecting to pressure washer.
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.
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.
WARNING: 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 exceeds the maximum pressure
rating of your pressure washer.
Check Detergent Siphoning Tube
Examine the filter on the detergent tube 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.
Check Gun and Adjustable Nozzle
Extension
Examine the hose connection to the spray 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.

Generac Portable Products 2,100 PSI High Pressure Washer
1
Check In-Line Filter
Refer to Figure 17 and service the in-line filter if it
becomes clogged, as follows:
1. 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 clean water
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, reuse screen.
. Place the 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 flat at the bottom of the opening. Take
care to not bend the screen.
4. Place the o-ring into the recess. Push the o-ring
snugly against the in-line filter screen.
5. Assemble the nozzle extension to the spray gun,
as described earlier in this manual.
Purge Pump of Air and
Contaminants
To remove air from the pump, follow these steps:
 Set up the pressure washer as described in
Preparing Pressure Washer For Use. Connect the
water supply and turn water on.
 Pull the trigger on the spray gun and hold.
 When the water supply is steady and constant,
engage the safety latch.
To remove contaminants from the pump, follow
these steps:
 Set up the pressure washer as described in
Preparing Pressure Washer For Use. Connect the
water supply and turn water on.
 Start the engine according to instructions in How To
Start Your Engine.
 Squeeze the trigger on the spray gun and hold.
 When the water supply is steady and constant,
engage the safety latch and attach the nozzle
extension.
Cleaning Detergent Siphoning Tube
If you 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.
 Slide the adjustable nozzle forward to the low
pressure position. 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 spray gun
to relieve the pressure in the hose.
Nozzle Maintenance
If the adjustable nozzle becomes restricted or clogged
with foreign materials such as dirt, excessive pump
pressure may develop. A partially clogged nozzle
causes a pulsing sensation during use.
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 spray gun.
 Adjust the nozzle extension to the stream position.
 Remove the nozzle from the end of the nozzle
extension (Figure 18) using a 2mm or 5/64 allen
wrench (like the one included in the kit).
Nozzle Extension
Filter Screen
O-ring
Figure 17  Clean In-Line Filter

Generac Portable Products 2,100 PSI High Pressure Washer
14
 Use the wire included in the kit (Figure 18) or a
small paper clip to free the foreign material clogging
or restricting the nozzle.
 Remove additional debris by back flushing water
through the nozzle extension (Figure 19). Back flush
between 0 to 60 seconds. Turn the nozzle
extension to stream spray and move the nozzle from
low to high while flushing.
 Reinstall the nozzle into the nozzle extension.
Do Not overtighten.
 Reconnect the water supply, turn on the water, and
start the engine.
 Reconnect the nozzle extension to the spray gun.
 Test the pressure washer by operating with nozzle in
the high and in the low positions.
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.
Provided with your pressure washer is an ORing
Maintenance Kit 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.
ENGINE MAINTENANCE
See the engine owners manual for instructions on
how to properly maintain the engine.
PREPARING THE UNIT FOR
STORAGE
Water should not remain in the unit for long periods of
time. Sediments or minerals can deposit on pump
parts and freeze pump action. If you do not plan to
use the pressure washer for more than 0 days, follow
this procedure:
1. Flush detergent siphoning tube by placing the filter
into a pail of clean water while running pressure
washer in low pressure mode (adjustable nozzle in
the forward position). Flush for one to two
minutes.
2. Shut off the engine and let it cool, then remove all
hoses. Disconnect spark plug wire from spark plug.
. 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 (non-alcohol) into the pump by
pouring the solution into a -foot section of garden
hose connected to inlet adapter and pulling recoil
handle twice.
4. Store unit in a clean, dry area.
Storing the Engine
See the engine owners manual for instructions on
how to properly prepare the engine for storage.
Nozzle
Figure 18  Removing and Cleaning Nozzle
Figure 19  Backflushing the Nozzle

Generac Portable Products 2,100 PSI High Pressure Washer
15
TROUBLESHOOTING
Problem Cause Correction
Pump has following
problems: failure to produce
pressure, erratic pressure,
chattering, loss of pressure,
low water volume.
1. Nozzle in low pressure mode.
2. Water inlet is blocked.
. Inadequate water supply.
4. Inlet hose is kinked or leaking.
5. Clogged inlet hose strainer.
6. Water supply is over 140°F.
7. High pressure hose is blocked or
leaks.
8. Gun leaks.
9. Nozzle is obstructed.
10. Pump is faulty.
1. Pull nozzle backward for high
pressure mode.
2. Clear inlet.
. 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.
Detergent fails to mix with
spray.
1. Detergent siphoning tube is not
submerged.
2. Chemical filter is clogged.
. Nozzle is in high pressure mode.
1. Insert detergent siphoning tube
into detergent.
2. Clean or replace filter/detergent
siphoning tube.
. Push nozzle forward for low
pressure mode.
Engine runs good at no-load
but bogs when load is
added.
Engine speed is too slow. Move throttle control to FAST
position. If engine still bogs down,
contact Briggs service facility.
Engine will not start; or
starts and runs rough.
1. Low oil level.
2. Dirty air cleaner.
. 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.
9. Excessively rich fuel mixture.
10. Intake valve stuck open or closed.
11. Engine has lost compression.
1. Fill crankcase to proper level.
2. Clean or replace air cleaner.
. Fill fuel tank.
4. Drain gas tank; fill with fresh fuel.
5. Connect wire to spark plug.
6. Replace spark plug.
7. Drain gas tank; fill with fresh fuel.
8. Open choke fully and crank
engine.
9. Contact Briggs service facility.
10. Contact Briggs service facility.
11. Contact Briggs service facility.
Engine shuts down during
operation. 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.

Generac Portable Products 2,100 PSI High Pressure Washer
16
EXPLODED VIEW  UNIT

Generac Portable Products 2,100 PSI High Pressure Washer
17
PARTS LIST  UNIT
Item Part # Qty. Description
1 NSP 1 ENGINE
2 B1460 1 CAP, Vinyl Black
AB5697 1 BASE, VSPW
5 0809 1 GROMMET, Chem Hose
6 B5704 1 DECAL, Logo
7 B16 1B 1 BILLBOARD, Plastic
8 B19 2 1 DECAL, Instructions
9 B2142 2 TIRE, 2" X 9" Black Mag
10 75402 2 PUSHNUT, 1/2"
11 97178 2 KNOB, PW Handle
12 AB1945 1 HANDLE, VS PW
1 1669 1 BOLT, 1/4"-20 X 1.75 Carriage
14 B17 0 1 BOLT, Eye
15 B569 1 HOSE, 1/4" X 25'
16 B58 0 1 KIT, O-Ring Maintenance
17 B 26 1 GUN, High Pressure
18 B195 A 1 WIREFORM
19 BB 061B 1 OIL, 20oz
20 B5700 1 MANUAL, Owners
21 B 56 1 MANUAL, Engine
22 B216 1 KIT, Nozzle Cleaning
2 B 5 1 EXTENSION, Adjustable Nozzle
24 97566 1 HANG TAG, Nozzle
25 A1041 1 FILTER, Chemical Hose
26 98 00 1 SEAL, Engine Donut
27 87815 1 GOGGLES, Safety
28 21761 1 NOZZLE, 1.05 Yellow
29 480 1G 1 CLAMP, Hose Band
0 B 468A 1 PUMP, Assembly
1 B1880 NUT, M8 with Washer
B17 5 STUD, Double Ended
4 21424 1 CONNECTOR, Garden Hose
6 52858 5 NUT, M8 Locking Flange
7 A1040B 1 HOSE, Chemical
8 B1214 2 HHCS, M8 X 1.25 X 45
9 50190 2 WASHER, Flat, . 4" x 1"
40 27007 2 MOUNT, Rubber Foot
41 B4224 1 SCREEN, Gun Inlet
42 978 7 1 O-RING, Hi - Pressure
4 49808 2 WASHER, M12 Flat

Generac Portable Products 2,100 PSI High Pressure Washer
18
EXPLODED VIEW  PUMP

Generac Portable Products 2,100 PSI High Pressure Washer
19
PARTS LIST  PUMP
Item Part # Qty. Description
1 98300 1 SEAL, Engine Donut
9796 3 SHCS, M6 - 1 x 5
3 96795 3 SLEEVE, Grommet Spacer
4 14 9 6 BUSHING, Rubber Mount
5 97835 1 O-RING, Housing Seal
6 1783 1 THERMAL RELIEF
7 93680 3 SEAL, Oil Piston 15 TC4
8 97831 3 SPACER, Pilot
9 B 70 1 HOUSING, Piston
10 98 7 1 ADAPTER, Engine
11 B 310 0 KIT, AXIAL CAM SERV
1 . . . . . . 1 SEAL, Engine Donut
2 . . . . . . SHCS, M6 - 1 x 25
5 . . . . . . 1 O-RING, Housing Seal
12 . . . . . . 1 WASHER, Brg. 6 x 65 x 6
1 . . . . . . 1 ASSY., Brg. Cage 45 x 65
14 . . . . . . 1 WASHER, Brg. 45 x 65 x 1
15 . . . . . . 1 CAM, Axial 5.6 VS
16 . . . . . . 1 BALL BEARING, 5 x 72 x 17
17 185 87 0 KIT, CHEM INJECT
18 . . . . . . 1 FITTING, Chem Inject
19 . . . . . . 1 BALL, Chem Inject
20 . . . . . . 1 SPRING, Chem Inject
21 . . . . . . 1 O-RING, Venturi & Seat, Black
22 . . . . . . 1 VENTURI, Chem Inject
28 . . . . . . 1 O-RING, Venturi, Yellow
3 185711 0 KIT, UNLOADER
21 . . . . . . 1 O-RING, Venturi & Seat, Black
24 . . . . . . 1 CAP, Unloader
25 . . . . . . 1 O-RING, Unloader Cap
26 . . . . . . 1 SPRING, 2000 Unloader
27 . . . . . . 1 PISTON, Unloader
29 . . . . . . 1 SEAT, 2000 Unloader
30 B3513 0 KIT, CHECK VALVES
1 . . . . . . 6 O-RING, Check Valve
2 . . . . . . 6 ASSY., Check Valve
7 . . . . . . 4 SHCS, M6-1.0 x 5
Item Part # Qty. Description
33 B3 86 3 SEAL, Double-Lip
34 97837 1 O-RING, Hi-Pressure
Transfer
35 97841 3 CAP, Outlet Check Valve
36 97840 3 O-RING, Outlet CV Cap
37 40946 4 SHCS, M6-1.0 x 35
38 B4186 0 KIT, HEAD CASTING SFG
7 . . . . . . 4 SHCS, M6-1.0 x 5
9 . . . . . . 1 HEAD, Pump
40 . . . . . . 1 PLUG, 1/8-28 W/VIBR
41 B 31 0 KIT, PISTON & SPRING
1 . . . . . . 1 SEAL, Engine Donut
2 . . . . . . SHCS, M6 - 1 x 25
5 . . . . . . 1 O-RING, Housing Seal
42 . . . . . . RETAINER, Piston Spring
4 . . . . . . PISTON, Dia. 15 x 65
44 . . . . . . SPRING, Piston Return
45 B1933 0 KIT, O-RING/SEAL SERV
1 . . . . . . 1 SEAL, Engine Donut
2 . . . . . . SHCS, M6 - 1 x 25
5 . . . . . . 1 O-RING, Housing Seal
7 . . . . . . SEAL, Oil Piston 15 TC4
21 . . . . . . 2 O-RING, Venturi & Seat, Black
25 . . . . . . 1 O-RING, Unloader Cap
28 . . . . . . 1 O-RING, Venturi, Yellow
1 . . . . . . 6 O-RING, Check Valve
. . . . . . SEAL, Double-Lip
4 . . . . . . 1 O-RING, High Pressure
Transfer
6 . . . . . . O-RING, Outlet CV Cap
7 . . . . . . 4 SHCS, M6-1.0 x 5
Item numbers 11, 17, 2 , 0, 8, 41, and 45 are
service kits and include all parts shown within the box.
Certain parts may only be available as components of
a kit.

LIMITED PRESSURE WASHER WARRANTY
GENERAC PORTABLE PRODUCTS (hereafter referred to as the COMPANY) warrants to the original retail
purchaser, the pressure washer manufactured by the COMPANY 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 applications)
CONSUMER* COMMERCIAL*
All Other Engine-driven Engine: Warranted solely by Warranted solely by
Engine Manufacturer 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, the COMPANY will, at its option, repair or replace any part which, upon examination
by the COMPANY or COMPANY-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, pressure washers need periodic parts service and
replacement to perform well. This warranty does not cover repair when normal use has exhausted the life
of a part or pressure washer pump.
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, THE COMPANY 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 THE COMPANY'S NEGLIGENCE. THE COMPANY ALSO DISCLAIMS ANY
RESPONSIBILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES SUCH AS THE LOSS OF
TIME OR THE USE OF THE POWER EQUIPMENT, OR ANY COMMERCIAL LOSS DUE TO THE
FAILURE OF THE EQUIPMENT: AND ANY IMPLIED WARRANTIES ARE LIMITED TO THE
DURATION OF THIS WRITTEN WARRANTY.
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 COMPANY-Authorized warranty service facility or call 1-877-544-0982. Warranty
service can be performed only by a COMPANY-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
Jefferson, Wisconsin U.S. A.