Generac Power Systems 2100PSI 1974-0 User manual

Owner’s Manual / Manual del Propietario
Questions? Help is just a moment away!
Preguntas? La ayuda es justa un momento lejos!
Call: Generac Pressure Washer Helpline
Llame: Línea Directa del Lavador a Presión de Generac - 1-800-270-1408 M-F 8-5 CT
Web: www.generac-portables.com
Model No. 1974-0 (2100 PSI Pressure Washer) Manual No. 193729GS Revision 0 (09/17/2003)
2100PSI
Generac Portable Products is a licensed trademark of Briggs & Stratton Power Products.
Generac Portable Products es una marca registrada licenciada de Briggs & Stratton Power Products.

Generac Portable Products 2100 PSI Pressure Washer
2
TABLE OF CONTENTS
Safety Rules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Know Your Pressure Washer. . . . . . . . . . . . . . . . . . . . . . . . 5
Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10
Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-13
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-17
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.
Every effort has been made to ensure that information in
this manual is accurate and current. However, we reserve
the right to change, alter or otherwise improve the product
and this document at any time without prior notice.
SAFETY RULES
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.
The safety alert symbol ( ) is used with a signal word
(DANGER, CAUTION,WARNING), a pictorial and/or a
safety message to alert you to hazards. DANGER indicates
a hazard which, if not avoided, will result in death or serious
injury. WARNING indicates a hazard which, if not avoided,
could result 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 injury or death.
Hazard Symbols and Meanings
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. If you equip the muffler with a spark arrester,
it must be maintained in effective working order.
The engine exhaust from this product contains
chemicals known to the State of California to cause
cancer, birth defects, or other reproductive harm.
WARNING
Fire Explosion
Toxic Fumes
Hot Surface
Moving Parts
Electrical Shock
Slippery Surface Fall
Kickback
Flying Objects
Fluid Injection

Generac Portable Products 2100 PSI Pressure Washer
3
• Keep water spray away from electric wiring or fatal electric
shock may result.
Spray contact with electrical wiring can result in
electrocution.
WARNING
• Operate pressure washer ONLY outdoors.
• 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.
Running engine gives off carbon monoxide, an
odorless, colorless, poison gas.
Some chemicals or detergents may be harmful if
inhaled or ingested, causing severe nausea,
fainting or poisoning.
Breathing carbon monoxide will cause nausea,
fainting or death.
DANGER
• Keep spray nozzle between 8 to 24 inches away from cleaning
surface.
• Operate this unit on a stable surface.
• The cleaning area should have adequate slopes and drainage to
reduce the possibility of a fall due to slippery surfaces.
• Be extremely careful if you must use the pressure washer from
a ladder, scaffolding or any other relatively unstable location.
• Firmly grasp spray gun with both hands when using high
pressure spray to avoid injury if gun kicks back.
Use of pressure washer can create puddles and
slippery surfaces.
High pressure spray could cause you to fall if
you are too close to the cleaning surface.
WARNING
WHEN ADDING FUEL
• Turn pressure washer OFF and let it cool at least 2 minutes
before removing gas cap.
• Fill fuel tank outdoors.
• DO NOT overfill tank.Allow space for fuel expansion.
• Keep fuel away from sparks, open flames, pilot lights, heat, and
other ignition sources.
• DO NOT light a cigarette or smoke.
WHEN OPERATING EQUIPMENT
• DO NOT tip engine or equipment at angle which causes fuel
to spill.
• DO NOT spray flammable liquids.
WHEN TRANSPORTING OR REPAIRING EQUIPMENT
• Transport/repair with fuel tank EMPTY or with fuel shutoff
valve OFF.
WHEN STORING FUEL OR EQUIPMENT WITH FUEL
IN TANK
• Store away from furnaces, stoves, water heaters, clothes
dryers or other appliances that have pilot light or other
ignition source because they can ignite fuel vapors.
Fuel and its vapors are extremely flammable and
explosive.
Fire or explosion can cause severe burns or
death.
WARNING
• NEVER aim spray gun at people, animals or plants.
• DO NOT allow CHILDREN to operate pressure washer.
• NEVER repair high pressure hose. Replace it.
• Keep high pressure hose connected to pump and spray gun
while system is pressurized.
The high pressure stream of water that this
equipment produces can pierce skin and its
underlying tissues, leading to serious injury and
possible amputation.
WARNING

Generac Portable Products 2100 PSI Pressure Washer
4
• DO NOT tamper with governed speed.
• DO NOT operate pressure washer above rated pressure.
Excessively high or low operating speeds increase risk
of injury and damage to pressure washer.
CAUTION
WHEN ADJUSTING OR MAKING REPAIRS TO YOUR
PRESSURE WASHER
• Disconnect spark plug wire from spark plug and place wire
where it cannot contact spark plug.
Unintentional sparking can result in fire or
electric shock.
WARNING
• DO NOT point spray gun at glass when in jet spray mode.
• NEVER aim spray gun at plants.
High pressure spray may damage fragile items including
glass.
CAUTION
• 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.
Starter and other rotating parts can entangle
hands, hair, clothing, or accessories.
WARNING
• Always wear eye protection when using this equipment or in
vicinity of where equipment is in use.
High pressure spray can cause paint chips or
other particles to become airborne.
WARNING
• DO NOT secure spray gun in open position.
• DO NOT leave spray gun unattended while machine is
running.
• NEVER use a spray gun which does not have a trigger lock or
trigger guard in place and in working order.
• Always be certain spray gun, nozzles and accessories are
correctly attached.
A pressure washer produces a high pressure spray
which increases risk of injury and damage to unit.
CAUTION
• If you have questions about intended use, ask dealer or
contact Briggs & Stratton Power Products.
• NEVER operate units with broken or missing parts, or
without protective housing or covers.
• DO NOT by–pass any safety device on this machine.
• Before starting pressure washer in cold weather, check all
parts of the equipment to be sure ice has not formed there.
• NEVER move machine by pulling on high pressure hose. Use
handle provided on unit.
• Check 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 pressure
washer.
• This equipment is designed to be used with Briggs & Stratton
Power Products authorized parts ONLY. If equipment is used
with parts that DO NOT comply with minimum specifications,
user assumes all risks and liabilities.
Improper treatment of pressure washer can damage it
and shorten its life.
CAUTION
• DO NOT touch hot surfaces.
• Stay clear of exhaust gases.
• Allow equipment to cool before touching.
Running engines produce heat and hot exhaust
gases.Temperature of muffler and nearby areas
can reach or exceed 150°F (65°C).
Fire or severe burns can occur.
WARNING

Generac Portable Products 2100 PSI Pressure Washer
5
KNOWYOUR PRESSURE WASHER
Read this owner’s manual and safety rules before operating your pressure washer.
Compare the illustrations with your pressure washer to familiarize yourself with the locations of various controls and
adjustments. Save this manual for future reference.
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 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.
FuelTank — Fill tank with regular unleaded fuel.
High Pressure Hose — Connect one end to water
pump and the other end to spray gun.
High Pressure Outlet — Connection for high pressure
hose.
Data Tag (not shown, near rear of base plate) –
Provides model and serial number of pressure washer.
Please have these readily available if calling for assistance.
Primer Bulb — Prepares a cold engine for starting.
Pump — Develops high water 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.
Water Inlet — Connection for garden hose.
Air Cleaner
Primer Bulb
Fuel Tank
Pump equipped with
Automatic Cool Down
System
Recoil Starter
High Pressure Outlet
& Water Inlet
Chemical Injection
Siphon/Filter
Spray Gun
High Pressure Hose

Generac Portable Products 2100 PSI Pressure Washer
6
ASSEMBLY
IMPORTANT: Read entire owner’s manual before you
attempt to assemble or operate your new pressure washer.
Remove Pressure Washer From
Carton
1. Remove the parts bag, accessories, and inserts included
with pressure washer.
2. Slice two corners at the end of carton from top to
bottom so the panel can be folded down flat.
3. Remove pressure washer from carton.
Carton Contents
Items in the carton include:
• Main Unit
• Handle
• High Pressure Hose
• Spray Gun
• Nozzle Extension
• Safety Goggles
• Oil Bottle
• Parts Bag (which includes the following):
• Owner’s Manual
• Engine Manual
• Owner’s Registration Card
• Handle Attachment Hardware
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 1-800-270-1408. If calling for
assistance, please have the model, revision, and serial
number from the data tag available.
To prepare your pressure washer for operation, you
will need to perform these tasks:
1. Fill out and send in registration card.
2. Attach handle to main unit.
3. Add oil to engine crankcase.
4. Add fuel to fuel tank.
5. Connect high pressure hose to spray gun and pump.
6. Connect water supply to pump.
7. Attach nozzle extension to spray gun.
Attach Handle
1. Place handle assembly onto handle supports connected
to main unit. Make sure holes in handle align with
holes on 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.
2. Insert carriage bolts through holes from outside of
unit and attach a plastic knob from inside of unit
(Figure 2).Tighten by hand.
3. Insert one “L” hooks through hole just under billboard
on left side of handle (viewing from rear of unit). Hold
hook in place with pliers and attach locknut with
7/16” wrench (Figure 3).
4. Insert other “L” hook through hole just above
billboard on right side of handle (viewing from rear of
unit). Hold hook in place with pliers and attach locknut
with 7/16” wrench (Figure 3).
Align Holes
Handle
Handle
Supports
Figure 1 — Attach Handle to Base
Figure 2 — Secure Handle
Hose Hook
Spray Gun
Hook
Figure 3 — Attach “L” Hooks to Handle

Generac Portable Products 2100 PSI Pressure Washer
7
Add Engine Oil and Fuel
• Place pressure washer on a level surface.
• Refer to engine owner’s manual and follow oil and fuel
recommendations and instructions.
NOTE: Check oil often during engine break–in. Refer to
engine owner’s manual for recommendations.
Connect Hose and Water Supply to
Pump
IMPORTANT: To avoid pump damage, you must assemble
the nozzle extension to the spray gun and attach all hoses
before you start the engine.
1. Uncoil high pressure hose and attach one end of hose
to base of spray gun (Figure 4).Tighten by hand.
NOTE: Remove and discard all pump shipping caps before
attaching hoses.
2. Attach other end of high pressure hose to high
pressure outlet on pump (Figure 5).Tighten by hand.
3. Before connecting garden hose to water inlet, inspect
inlet screen (Figure 6). Clean screen if it contains
debris or have it replaced if damaged. Refer to the
section “O-Ring Maintenance” if inlet screen is
damaged. DO NOT RUN PRESSURE WASHER IF
INLET SCREEN IS DAMAGED.
4. Run water through your garden hose for 30 seconds
to clean out any debris.
IMPORTANT: DO NOT siphon standing water for the
water supply. Use ONLY cold water (less than 100°F).
5. Connect the garden hose (not to exceed 50 feet in
length) to the water inlet.Tighten by hand (Figure 6).
6. Turn ON the water and squeeze the trigger on the
gun to purge the pump system of air and impurities.
Connect high pressure
hose here
Figure 4 — Connect High Pressure Hose to Spray Gun
Figure 5 — Connect High Pressure Hose to Pump
CAUTION
• Refer to engine manual for oil and fuel fill information.
• Damage to equipment resulting from failure to follow this
instruction will void warranty.
Any attempt to crank or start the engine before it has
been properly filled with the recommended oil will result
in equipment failure.
CAUTION
• Damage to equipment resulting from failure to follow this
instruction will void warranty.
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.
Inspect inlet
screen, DO NOT
use if damaged;
clean if dirty.
Figure 6 — Connect the Garden Hose to Water Inlet
• Always wear eye protection when using this equipment or in
vicinity of where equipment is in use.
• Before starting the pressure washer, be sure you are wearing
adequate eye protection.
High pressure spray can cause paint chips or
other particles to become airborne.
WARNING

Generac Portable Products 2100 PSI Pressure Washer
8
CHECKLIST BEFORE
STARTING ENGINE
Review the unit’s assembly to ensure you have performed
all of the following.
1. Make sure handle is in place and secure.
2. Check that oil has been added to proper level in the
engine crankcase.
3. Add proper gasoline to fuel tank.
4. Check for properly tightened hose connections.
5. Check to make sure there are no kinks, cuts, or
damage to high pressure hose.
6. Provide a proper water supply at an adequate flow.
7. Be sure to read “Safety Rules” and “How To UseYour
Pressure Washer” before using pressure washer.
HOW TO USEYOUR
PRESSURE WASHER
If you have any problems operating your pressure washer,
please call the pressure washer helpline at
1-800-270-1408.
How to StartYour Pressure Washer
To start your pressure washer for the first time, follow
these instructions step-by-step.This starting information
also applies if you have let the pressure washer sit idle for
at least a day.
1. Place pressure washer near an outside water source
capable of supplying water at a flow rate greater than
3.0 gallons per minute and no less than 20 PSI at
pressure washer end of garden hose.
2. Check that high pressure hose is tightly connected to
spray gun and pump. See “Preparing Pressure Washer
for Use” for illustrations.
3. Make sure unit is in a level position.
4. Connect garden hose to water inlet on pressure
washer pump. Turn ON water.
5. Attach adjustable nozzle extension to spray gun
(Figure 7).Tighten by hand.
6. Position nozzle in low pressure mode (see “How to
Use the Adjustable Nozzle”) and squeeze trigger on
spray gun to relieve air pressure caused by turning ON
water.Water will flow out of spray gun in a thin
stream. Continue to hold trigger until there is a steady
stream of water and no air remains in system.This will
make it easier to pull start engine. Release trigger.
7. Engage safety latch to spray gun trigger (Figure 8).
8. Start engine according to instructions given in engine
owner’s manual.
NOTE: If the recoil starter is hard to pull, squeeze the
spray gun trigger to relieve internal pump pressure.
NOTE: Always keep the throttle lever in the “Fast”
position when operating the pressure washer.
CAUTION
• Damage to equipment resulting from failure to follow this
instruction will void warranty.
DO NOT run the pump without the water supply
connected and turned on.
Figure 7 — Connect Nozzle Extension to Spray Gun
Safety Latch
Figure 8 — Spray Gun with Safety Latch Engaged
CAUTION
• Squeeze trigger on spray gun each time recoil starter is
pulled and engine fails to start.
Avoid injury from kickback.

Generac Portable Products 2100 PSI Pressure Washer
9
How to StopYour Pressure Washer
1. Let engine idle for two minutes.
2. Turn engine off according to instructions given in
engine owner’s manual.
3. 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 should now know how to START and STOP your
pressure washer.The information in this section will tell
you how to adjust the spray pattern and to apply detergent
or other cleaning chemicals.
1. Slide nozzle forward when you wish to adjust spray to
low pressure mode (Figure 9). Slide nozzle backward
to achieve high pressure.
2. Point nozzle down towards a firm surface and press
trigger to test pattern (Figure 10).
3. Twisting nozzle adjusts spray pattern from a narrow
pattern to a fan pattern (Figure 11).
4. For most effective cleaning, keep spray nozzle from
8 to 24 inches away from cleaning surface.
5. If you get spray nozzle too close, especially using high
pressure mode, you may damage surface being cleaned.
6. DO NOT get closer than 6 inches when cleaning tires.
• NEVER adjust spray pattern when spraying.
• NEVER put hands in front of nozzle to adjust spray pattern.
A pressure washer produces a high pressure spray
which increases risk of injury and damage to unit.
CAUTION
Slide nozzle backward
for High Pressure
Mode
Slide nozzle forward for low
pressure mode and
detergent application
Figure 9 — Adjusting Nozzle for Pressure
Figure 10 — Testing the Spray Pattern
Figure 11 — Adjusting the Nozzle for Spray Pattern
Rotate nozzle
counterclockwise for fan
spray pattern
Rotate nozzle clockwise
for narrow spray pattern

Generac Portable Products 2100 PSI Pressure Washer
10
Applying Detergent with the
Adjustable Nozzle
IMPORTANT: Use soaps designed specifically for
pressure washers. Household detergents could damage
the pump.
To apply detergent, follow these steps:
1. Review use of adjustable nozzles.
2. Prepare detergent solution as required by job.
3. Place filter end of chemical injection hose into
detergent container.
4. Slide adjustable nozzle forward to low pressure mode.
Detergent cannot be applied with nozzle in high
pressure position.
5. Make sure garden hose is connected to water inlet.
Check that high pressure hose is connected to spray
gun and pump. Start engine.
6. Apply detergent to a dry surface, starting at lower
portion of area to be washed and work upward, using
long, even, overlapping strokes.
7. Allow detergent to "soak in" for 3-5 minutes before
washing and rinsing. Reapply as needed to prevent
surface from drying. DO NOT allow detergent to dry
on (prevents streaking).
IMPORTANT: You must flush the chemical injection
system after each use by placing the filter into a bucket of
clean water, then run the pressure washer in low pressure
for 1-2 minutes.
Pressure Washer Rinsing
For Rinsing:
1. 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 chemical injection hose from bottle.
2. Keep the spray gun a safe distance from the area you
plan to spray.
3. 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.
4. 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
3-5 minutes without pressing the trigger on the spray gun,
circulating water in the pump can reach temperatures
above 125°F.The system engages to cool the pump by
discharging the warm water onto the ground.
CAUTION
• Starting the engine without all the hoses connected and
without the water turned ON will damage the pump.
• Damage to equipment resulting from failure to follow this
instruction will void warranty.
You must attach all hoses before you start the engine.
CAUTION
• When inserting the filter into a detergent solution bottle,
route the tube so as to keep it from inadvertently contacting
the hot muffler.
Keep the chemical injection tube from coming in contact
with the hot muffler.
• Keep spray nozzle between 8 to 24 inches away from cleaning
surface.
• Operate this unit on a stable surface.
• Be extremely careful if you must use the pressure washer from
a ladder, scaffolding or any other relatively unstable location.
• Firmly grasp spray gun with both hands when using high
pressure spray to avoid injury if gun kicks back.
High pressure spray could cause you to fall if
you are too close to the cleaning surface.
WARNING

Generac Portable Products 2100 PSI Pressure Washer
11
SPECIFICATIONS
Outlet Pressure . . . . . 2100 psi
Flow Rate . . . . . . . . . . 2.0 gallons per minute (gpm)
Detergent . . . . . . . . . . Use detergent approved for
pressure washers
Water Supply . . . . . . Not to Exceed 100°F
Temperature
Automatic Cool . . . . Will cycle when water
Down System reaches 125°-155°F
Shipping Weight . . . .54 lbs.
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 pressure washer as instructed in this manual.
• Some adjustments will need to be made periodically to
properly maintain your 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.
• If equipped with inflatable tires, keep the air pressure at
the value marked on the tire or within 15 and 40 psi.
Before Each Use
1. Check engine oil level.
2. Check water inlet screen for damage.
3. Check in-line filter for damage.
4. Check high pressure hose for leaks.
5. Check chemical injection hose and filter for damage.
6. Check spray gun and adjustable nozzle extension
assembly for leaks.
7. Rinse out garden hose to flush out debris.
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.
Check Chemical Injection Hose
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.
• NEVER repair high pressure hose. Replace it.
• Replacement hose rating MUST exceed maximum pressure
rating of unit.
The high pressure stream of water that this
equipment produces can pierce skin and its
underlying tissues, leading to serious injury and
possible amputation.
WARNING

Generac Portable Products 2100 PSI Pressure Washer
12
Purge Pump of Air and
Contaminants
To remove air from the pump, follow these steps:
1. Set up pressure washer as described in “Preparing
Pressure Washer For Use”. Connect water supply and
turn water on.
2. Pull trigger on spray gun and hold.
3. When water supply is steady and constant, engage
safety latch.
To remove contaminants from the pump, follow
these steps:
1. Set up pressure washer as described in “Preparing
Pressure Washer For Use”. Connect water supply and
turn water on.
2. Remove nozzle extension from spray gun.
3. Start engine according to instructions in “How To Use
Your Pressure Washer”.
4. Squeeze trigger on spray gun and hold.
5. When water supply is steady and constant, engage
safety latch and refasten nozzle extension.
Check In-Line Filter
Refer to Figure 12 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 screen, spray gun, and adjustable
nozzle extension with clean water to clear debris.
2. Place in-line filter screen into threaded end of nozzle
extension. Direction does not matter. Push screen in
with eraser end of pencil until it rests flat at bottom of
opening.Take care not to bend the screen.
3. Place o-ring into recess. Push o-ring snugly against in-
line filter screen.
4. Assemble nozzle extension to spray gun, as described
earlier in manual.
O–Ring Maintenance
Purchase an O–Ring/Maintenance Kit, part number
191922GS by contacting the nearest authorized service
center. It is not included with the pressure washer.This kit
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.
Cleaning Chemical Injection Hose
If you used the chemical injection hose, you must flush it
with clean water before stopping the engine.
1. Place chemical injection hose in a bucket full of clean
water.
2. Slide adjustable nozzle forward to low pressure
position. Flush for 1-2 minutes.
3. Shut off 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 Extension
Filter Screen
O-ring
Figure 12 — Clean In-Line Filter

Generac Portable Products 2100 PSI Pressure Washer
13
Pump Maintenance
Changing Pump Oil
Change oil every 50 hours or once yearly, whichever
occurs first.
NOTE: Purchase a premeasured bottle of pump oil, item
number 190586GS, by contacting the nearest authorized
service center.
Change pump oil as follows:
1. Drain engine oil and fuel from pressure washer.
2. Use a 8mm allen wrench to remove black pump oil
cap between high pressure outlet and garden hose
inlet (Figure 13).
3. Tilt pressure washer to drain oil into an approved
container until it drips slowly from pump.
4. Tilt pressure washer in opposite direction and empty
premeasured pump oil bottle into same opening (a
small funnel may be helpful).
5. Install black pump oil cap and tighten firmly.
6. Set pressure washer in upright position.Add fuel and
engine oil.
ENGINE MAINTENANCE
See the engine owner’s manual for instructions on how to
properly maintain the engine.
KEEP OUT OF REACH OF CHILDREN. DON'T
POLLUTE. CONSERVE RESOURCES. RETURN
USED OIL TO COLLECTION CENTERS.
Oil Cap
Figure 13 - Changing Pump Oil
• Used motor oil has been shown to cause skin cancer in
certain laboratory animals.
• Thoroughly wash exposed areas with soap and water.
Avoid prolonged or repeated skin contact with used
motor oil.
CAUTION

Generac Portable Products 2100 PSI Pressure Washer
14
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 30 days, follow this
procedure:
1. Flush chemical injection hose by placing filter into a pail
of clean water while running pressure washer in low
pressure mode (adjustable nozzle in forward position).
Flush for one to two minutes.
2. Shut off engine and let it cool, then remove high
pressure and garden hoses. Disconnect spark plug wire
from spark plug.
3. Empty pump of all pumped liquids by pulling recoil
handle about 6 times.This should remove most liquid
in pump.
4. Use PumpSaver to prevent corrosion build up and
freezing of pump.
5. Store unit in a clean, dry area.
Protecting the Pump
To protect the pump from damage caused by mineral
deposits or freezing, use PumpSaver to treat pump.This
prevents freeze damage and lubricates pistons and seals.
NOTE: PumpSaver is available as an optional accessory. It
is not included with the pressure washer. Contact the
nearest authorized service center to purchase 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: PumpSaver will drip from pump after treatment
and will stain wood and concrete.
NOTE: If PumpSaver is not available, draw RV antifreeze
(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.
CAUTION
• Failure to do so will permanently damage your pump and
render your unit inoperable.
• Freeze damage is not covered under warranty.
You must protect your unit from freezing temperatures.
• Always wear eye protection when using PumpSaver.
Read and follow all cautions and warnings on the
PumpSaver can label.
CAUTION

Generac Portable Products 2100 PSI Pressure Washer
15
TROUBLESHOOTING
Problem
Pump has following problems:
failure to produce pressure,
erratic pressure, chattering, loss
of pressure, low water volume.
Detergent fails to mix with spray.
Engine runs good at no-load but
"bogs" when load is added.
Pressure washer stops during
operation.
Cause
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 100°F.
7. High pressure hose is blocked or
leaks.
8. Gun leaks.
9. Nozzle is obstructed.
10. Pump is faulty.
1. Detergent siphoning tube is not
submerged.
2. Chemical filter is clogged or
cracked.
3. Dirty in-line filter.
4. Nozzle is in high pressure mode.
Engine speed is too slow.
Out of gasoline.
Correction
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. See "Check In-Line Filter".
4. Push nozzle forward for low
pressure mode.
Move throttle control to FAST
position. If engine still "bogs down",
contact Briggs and Stratton service
facility.
Fill fuel tank.

Generac Portable Products 2100 PSI Pressure Washer
16
EXPLODED VIEW AND PARTS LIST – MAIN UNIT
Item Part # Description
1 192419GS BASE
2 B191874GS HANDLE
3 191909GS BILLBOARD
4 190249GS HOSE
5 192525GS KIT, Pump Mounting Hardware
6 192128GS KIT, Hook
7 190132GS GUN
8 B2203GS KIT, Handle Connector
9 192310GS KIT,Vibration Mount
Item Part # Description
10 21760GS ORIFICE
11 192309GS KIT, Hook
12 192050GS KIT, E-Ring
13 188792HGS WAND,Adjustable Nozzle
14 192311GS KIT,Wheel
15 23139GS KEY
16 191693GS ASSY, Pump (see page 17)
900 NSP ENGINE
Items Not Illustrated:
Part # Description
193729GS MANUAL, Owner’s
193911GS KIT, Decals
BB3061BGS OIL, Engine

Generac Portable Products 2100 PSI Pressure Washer
17
Item Part # Description
19 190571GS CAP, Oil
28 190627GS MANIFOLD
29 190575GS O-RING
30 190576GS SCREW
34 190577GS CONNECTION, Chemical Inlet
45 190578GS PIN
46 190629GS VALVE, Seat Plate, Plastic
47 190630GS VALVE, Seat, Plastic
62 190581GS CAP
68 190582GS BALL, SS
69 190584GS O-RING
76 21783GS THERMO RELIEF
Item Part # Description
A NSP ASSY, CASE, PISTON
B 190632GS KIT,WATER INLET,ALUM
C 190634GS KIT, OUTLET,ALUM
E 190591GS KIT,CHECK VALVES
F 190592GS KIT, INLET CHECK
G 190593GS KIT, CHEMICAL INJECTION
H 190628GS KIT, UNLOADER STEM
J 189971GS KIT, CHEMICAL HOSE
K 190636GS KIT, SEAL SET
NOTE: Item letters B - K are service kits and include all
parts shown within the box.
EXPLODED VIEW AND PARTS LIST – PUMP

Lavadora de Presión 2100 PSI de Generac Portable Products
18
TABLA DE CONTENIDOS
Reglas De Seguridad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-20
Conozca Su Generador . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Ensamblaje . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-23
Funcionamiento. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-26
Especificaciones Del Producto . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Mantenimiento. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-29
Almacenamiento. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Diagnosticos De Averías. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Piezas De Recambio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-17
Garantia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
DESCRIPCIÓN DEL EQUIPO
Lea este manual de manera cuidadosa y
familiarícese con su lavadora a presión. Conozca
sus usos, sus limitaciones y cualquier peligro
relacionado con el mismo.
Se ha hecho cada esfuerzo posible para asegurarse que la
información que aparece en este manual es exacta y se encuentra
actualizada. Sin embargo, nosotros se reserva el derecho a
cambiar, alterar o de otra manera mejorar, el producto y este
documento en cualquier momento, sin previo aviso.
REGLAS DE SEGURIDAD
Éste es el símbolo de alerta de seguridad. Sirve
para advertir al usuario de un posible riesgo para
su integridad física. Siga todos los mensajes de
seguridad que figuren después de este símbolo
para evitar lesiones o incluso la muerte.
El símbolo de alerta de seguridad ( ) es usado con una palabra
(PELIGRO,ADVERTENCIA, PRECAUCIÓN), un mensaje por
escrito o una ilustración, para alertarlo acerca de cualquier
situación de peligro que pueda existir. PELIGRO indica un riesgo
el cual, si no se evita, causará la muerte o una herida grave.
ADVERTENCIA indica un riesgo el cual, si no se evita, puede
causar la muerte o una herida grave. PRECAUCIÓN indica un
riesgo, el cual, si no se evita, puede causar heridas menores o
moderadas. PRECAUCIÓN, cuando se usa sin el símbolo de
alerta, indica una situación que podría resultar en el daño del
equipo. Siga los mensajes de seguridad para evitar o reducir los
riesgos de heridas e inclusive la muerte.
Símbolos de Peligro y Significados
El escape del motor de este producto contiene
elementos químicos reconocidos en el Estado de
California por producir cáncer, defectos de nacimiento u
otros daños de tipo reproductivo.
ADVERTENCIA
En el estado de California es obligatorio, según la ley, el uso de
apagachispas (Sección 4442 del Código de Recursos Públicos de
California). Otros estados pueden tener leyes similares. Las leyes
federales se aplican en tierras federales. Si equipa el silenciador
con un apagachispas, este deberá ser mantenido en buenas
condiciones de trabajo.
Fuego Explosión
Gases Tóxicos
Superficie Caliente
Partes en Movimiento
Descarga Eléctrica
Superficies Resbalosas Caer
Contragolpe
Objetos Voladores
Inyección Líquida

Lavadora de Presión 2100 PSI de Generac Portable Products
19
• Mantenga el chorro del agua alejado de alambrados eléctricos, de lo
contrario podrían ocurrir descargas eléctricas fatales.
El contacto del rocío con alambrado eléctrico puede
tener como resultado electrocution.
ADVERTENCIA
• Opere el lavadora de presión SOLAMENTE al aire libre.
• Utilice un respirador o máscara siempre que exista la posibilidad de
inhalar vapores.
• Lea todas las instrucciones de la máscara para asegurarse de que le
brindará la protección necesaria contra la inhalación de vapores
nocivos.
Al motor funcionar, se produce monóxido de
carbono, un gas inodoro y venenoso.
El respirar el monóxido de carbono, producirá
náusea, desmayo o la muerte.
PELIGRO
• Mantenga la boquilla de rociado de 8 a 24 pulgadas de la superficie de
limpieza.
• Opere y almacene esta unidad sobre una superficie estable.
• El área de limpieza deberá tener inclinaciones y drenajes adecuados
para disminuir la posibilidad de caídas debido a superficies resbalosas.
• Sea extremadamente cuidadoso si usa la máquina lavadora a presión
desde una escalera, andamio o cualquier superficie relativamente
inestable.
• Sujete la pistola de la hidrolavadora firmemente con ambas manos
cuando utilice el rociado a alta presión. De esta manera evitará
lesiones producidas por el posible golpe de la pistola hacia atrás.
El uso de lavadora de presión puede crear los
charcos y superficies resbalosas.
El rociado de la alta presión podría hacerlo caer si
está muy cerca de la superficie de limpieza.
ADVERTENCIA
CUANDO AÑADA COMBUSTIBLE
• Apague el generador (posición OFF) y déjelo enfriar al menos por
2 minutos antes de remover la tapa de la gasolina.
• Llene el tanque al aire libre.
• NO llene demasiado el tanque. Permita al menos espacio para la
expansión del combustible.
• Mantenga la gasolina alejada de chispas, llamas abiertas, pilotos, calor y
otras fuentes de ignición.
• NO encienda un cigarrillo o fume.
CUANDO OPERE EL EQUIPO
• NO incline el motor o el equipo, de tal manera que la gasolina se
pueda derramar.
• NO rocíe líquidos inflamables.
CUANDO TRANSPORTE O REPARE EL EQUIPO
• Transporte o repare el equipo con el tanque de combustible vacío, o
con la válvula para apagar el combustible, apagada (posición OFF).
CUANDO ALMACENE O GUARDE EL EQUIPO CON
COMBUSTIBLE EN ELTANQUE
• Almacene alejado de calderas, estufas, calentadores de agua, secadoras
de ropa u otros aparatos electrodomésticos que posean pilotos u
otras fuentes de ignición, porque ellos pueden encender los vapores
de la gasolina.
La gasolina y sus vapores son extremadamente
inflamables y explosivos.
El fuego o una explosión pueden causar quemaduras
severas e inclusive la muerte.
ADVERTENCIA
• NUNCA apunte la pistola a la gente, animales o plantas.
• NO permita en ningún momento que NIÑOS operen la máquina
lavadora a presión.
• NUNCA repare la manguera de alta presión. Remplacela.
• Mantenga conectada la manguera a la máquina o a la pistola de
rociado cuando el sistema esté presurizado.
La corriente de agua de alta presión que produce
este equipo pueden perforar la piel y sus tejidos
profundos, ocasionando lesiones serias y posible
amputación.
ADVERTENCIA

Lavadora de Presión 2100 PSI de Generac Portable Products
20
• NO juegue con partes que puedan aumentar o disminuir la velocidad
de mando.
• NO opere la máquina lavadora a presión con un valor de presión
superior a su clasificación de presión.
Hacer funcionar el motor a velocidades excesivas aumenta el
riesgo de lesiones personales.
PRECAUCIÓN
• NO apunte la pistola de rociado al vidrio cuando esté en el modo de
rociado a chorro.
• NUNCA apunte la pistola a plantas.
El rociado de alta presión puede dañar elementos frágiles,
incluyendo el vidrio.
PRECAUCIÓN
• NO use ropa suelta, joyas o elementos que puedan quedar atrapados
en el arranque o en otras partes rotatorias.
• Ate para arriba el pelo largo y quite la joyería.
El arrancador y otras piezas que rotan pueden
enredar las manos, el pelo, la ropa, o los accesorios.
ADVERTENCIA
• Siempre use protección para los ojos cuando utilice este equipo o
cuando esté cerca de donde se esté usando el equipo.
El rociado de alta presión puede hacer que partículas
pequeñas de pintura u otras partículas salgan
disparadas y viajen a altas velocidades.
ADVERTENCIA
CUANDO AJUSTE O HAGA REPARACIONES A SU
MÁQUINA LAVADORA DE PRESIÓN
• Siempre desconecte el alambre de la bujía y colóquelo donde no
pueda entrar en contacto con la bujía.
Chispear involuntario puede tener como resultado el
fuego o el golpe eléctrico.
ADVERTENCIA
• NO toque las superficies calientes.
• Manténgase alejado de los gases de escape.
• Permita que el equipo se enfríe antes de tocarlo.
Los motores en funcionamiento producen calor y
gases de escape a altas temperaturas. La temperatura
del silenciador y de las zonas cercanas puede alcanzar
o superar los 65 ºC (150 ºF)
Se pueden producir incendios o quemaduras graves.
ADVERTENCIA
• NO asegure la pistola de rociado en la posición (open = abierto).
• NO abandone la pistola de rociado cuando la máquina esté en
funcionamiento.
• NUNCA utilice una pistola de rociado que no tenga un seguro para
gatillo o protección para gatillo en su lugar y en buenas condiciones.
• Siempre asegúrese de que la pistola de rociado, boquillas y accesorios
estén conectados correctamente.
El lavadora de presión produce un rocío alto de la presión
cuál riesgo de aumentos de la herida y dañe a la unidad.
PRECAUCIÓN
• Si usted tiene alguna pregunta acerca de las finalidades de uso del
generador, pregúntele a su concesionario o contacte a Briggs &
Stratton Power Products.
• NUNCA deberán ser operadas las unidades con partes rotas o
ausentes, o sin la caja o cubiertas de protección.
• NO eluda ningún dispositivo de seguridad de esta máquina.
• Antes de poner en marcha la máquina lavadora a presión en clima
frío, revise todas las partes del equipo y asegúrese de que no se haya
formado hielo sobre ellas.
• NUNCA mueva la máquina halando la manguera de alta presión.
Utilice la manija que viene con la unidad.
• Revise que el sistema de combustible no presente fugas o signos de
deterioro, como mangueras desgastadas o porosas, sujetadores flojos
o ausentes, tapa o tanque dañados. Corrija todos los defectos antes
de operar la máquina lavadora a presión.
• El equipo de alta presión está diseñado para ser utilizado
UNICAMENTE con las partes autorizadas Briggs & Stratton Power
Products. Si utiliza este equipo con partes que no cumplan con las
especificaciones mínimas, el usuario asume todos los riesgos y
responsabilidades.
El tratamiento inadecuado del lavadora de presión puede
dañarlo y acortar su vida productiva.
PRECAUCIÓN