Briggs & Stratton 3500PSI User Manual
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Model No. 1662-0 (3500 PSI Pressure Washer) Manual No. 190667GS Revision 1 (01/17/2002)
Owner’s Manual
3500PSI
Pressure Washer
Snapper 3500 PSI Pressure Washer
2
TABLE OF CONTENTS
Safety Rules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Know Your Pressure Washer. . . . . . . . . . . . . . . . . . . . . . 4
Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10
Product Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-13
Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14, 22 & 23
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.
Every effort has been made to ensure that information in
this manual is accurate and current. However, Snapper
reserves the right to change, alter or otherwise improve the
product and this document at any time without prior notice.
SAFETY RULES
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.
The engine exhaust from this product contains
chemicals known to the State of California to cause
cancer, birth defects, or other reproductive harm.
WARNING
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.
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 gasoline 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
gasoline 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 GASOLINE 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 gasoline vapors.
Gasoline and its vapors are extremely
flammable and explosive.
Fire or explosion can cause severe burns or
death.
WARNING
• Keep water spray away from electric wiring or fatal electric
shock may result.
Spray contact with electrical wiring can result in
electrocution.
WARNING
• Never aim the spray gun at people, animals or plants.
• Do not allow CHILDREN to operate the pressure washer.
• Never repair high pressure hose. Replace it.
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
Snapper 3500 PSI Pressure Washer
3
• 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
• Do not touch hot surfaces.
• Allow equipment to cool before touching.
Running engines produce heat. Temperature of
muffler and nearby areas can reach or exceed
150°F (65°C).
Severe burns can occur on contact.
WARNING
• Keep spray nozzle between 8 to 24 inches away from cleaning
surface.
• Be extremely careful if you must use the pressure washer from
a ladder, scaffolding or any other relatively unstable location.
• The cleaning area should have adequate slopes and drainage to
reduce the possibility of a fall due to slippery surfaces.
• Operate this unit on a stable surface.
The high pressure spray could also cause you to
fall if you are too close to the cleaning surface.
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.
Use of pressure washer can create puddles and
slippery surfaces.
WARNING
• Do not tamper with governed speed.
• Do not operate the pressure washer above the rated pressure.
Excessively high or low operating speeds increase risk
of injury and damage to pressure washer.
CAUTION
• Do not point spray gun at glass when in the jet spray mode.
• Never aim the 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
WHEN ADJUSTING OR MAKING REPAIRS TO YOUR
PRESSURE WASHER
• Disconnect the spark plug wire from the spark plug and place
the wire where it cannot contact spark plug.
Unintentional sparking can result in fire or
electric shock.
WARNING
• 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.
WARNING
Snapper 3500 PSI 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.
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 140°-145°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.
Nozzle Extension with Quick Connect — Allows you to
switch between four different spray nozzles.
Oil Fill Cap/Dipstick — 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.
Rocker Switch - Set this switch to "On" before using
recoil starter. Set switch to "Off" to switch off engine.
Spray Gun — Controls the application of water onto
cleaning surface with trigger device. Includes safety latch.
Spray Nozzles — Chemical injection, 0°, 15°, 25°, and 40°:
for various cleaning applications.
Throttle Lever—Sets engine in starting mode for recoil
starter. Operate normally in fast speed.
Water Inlet — Connect garden hose here.
Spray Gun
Nozzle Extension with
Quick Connect
High Pressure Hose
Rocker Switch
Throttle Lever
Choke Lever
Fuel Valve
Recoil Starter
(on front of engine)
Air Filter
Fuel Tank
Pressure
Control Knob
Pump equipped with
Automatic Cool Down System
Water Inlet
Oil Fill Cap/Dipstick
Spray Nozzles
High Pressure Outlet
with Quick Connect
Snapper 3500 PSI Pressure Washer
5
IMPORTANT: Read entire owner’s manual before you
attempt to assemble or operate your new pressure washer.
REMOVE PRESSURE
WASHER FROM
CARTON
• Remove all accessories and parts bag 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
• High pressure hose
• Handle
• Pump oil dipstick (hanging on pump)
• (2) bottles of engine oil
• Safety goggles
• Spray gun with quick connect fitting
• Nozzle extension with quick connect fitting
• Accessory bag (includes the following):
• Owner’s registration card
• Nozzle cleaning kit
• Bag containing 5 multi–colored quick connect nozzles
• O–Ring maintenance kit
• Owner’s manual
• Engine manual
• Handle hardware, including one carriage bolt, one
“L” bolt and 2 plastic knobs
If any of the above parts are missing or damaged, contact
the local Snapper service center.
PREPARING PRESSURE
WASHER FOR USE
If you have any problems with the assembly of your
pressure washer or if parts are missing or damaged,
contact the local Snapper service center.
To prepare your pressure washer for operation, you
will need to perform these tasks:
• Fill out and send in 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 hose to the spray gun and the
pump.
• Connect the water supply to the pump.
• Connect nozzle extension to spray gun.
• Select and install desired nozzle.
Attach Handle to the Pressure
Washer
• 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.
• Insert the carriage bolt through the hole on the left side
of the handle (viewing from rear of unit) and attach the
plastic knob (Figure 2). Tighten the knob by hand.
Make sure the
holes on the
handle are
aligned with the
holes on the
handle supports
Handle
Handle
Supports
Figure 1 — Attach the Handle to the Base
Snapper 3500 PSI Pressure Washer
6
• Insert the “L” bolt through the hole on the right side of
the handle (viewing from rear of unit) and attach the
plastic knob (Figure 2). Tighten the knob by hand. If not
installed, add the vinyl cap to the “L” bolt.
• Insert the multi–colored nozzles in the spaces provided
in the handle.
Install Oil Dipstick on Pump
CAUTION! You MUST remove the pump’s shipping cap
and install the oil dipstick. Failure to do so will void the
warranty and damage the 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 3).
• Install the oil dipstick.
NOTE: The pump is pre-lubricated and sealed, requiring
no additional lubrication for the life of the pump.
Add Engine Oil
IMPORTANT: Any attempt to crank or start the engine
before it has been properly serviced with the
recommended oil may result in an engine failure.
• 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
WARNING! Never fill fuel tank indoors. Never
fill fuel tank when engine is running or hot. Allow
unit to cool for two minutes before refueling. Do
Not light a cigarette or smoke when filling the fuel
tank.
WARNING! Do Not overfill the fuel tank.
Always allow room for fuel expansion.
• Use regular UNLEADED gasoline with the pressure
washer engine. Do Not use premium gasoline. Do Not
mix oil with gasoline.
• 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
1.5" below the bottom of the filler neck (Figure 4).
• Install fuel cap and wipe up any spilled gasoline.
Figure 3 — Install Oil Dipstick onto the Pump
Shipping Cap
Pump Oil
Dipstick
Remove shipping cap and
install oil dipstick here.
Figure 4 — Typical Fuel Expansion Space
Fuel
Tank
1.5” Air Space
Figure 2 — Secure Handle
Snapper 3500 PSI Pressure Washer
7
Connect Hose and Water Supply to
Pump
IMPORTANT: You must assemble the nozzle extension
to the spray gun and attach all hoses before you start the
engine. Starting engine without all hoses connected and
water supplied will damage the pump.
• Uncoil high pressure hose and attach quick connect end
of hose to the base of the spray gun (Figure 5). Pull
down on the collar of the quick connect, slide onto the
spray gun and let go of collar. Tug on hose to be sure of
a tight connection.
• Similarly, attach the other end of the high pressure hose
to the high pressure outlet on the pump (Figure 6). Pull
down 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 hose to the water inlet,
inspect the inlet screen (Figure 7). Clean the screen if it
contains debris, replace if damaged. DO NOT RUN THE
PRESSURE WASHER IF THE SCREEN IS DAMAGED.
• Run water through your garden hose for 30 seconds to
clean out any debris. Turn off water.
IMPORTANT: Do Not siphon standing water for the
water supply. Use ONLY cold water (less than 100°F).
• Connect the garden hose to the water inlet. Tighten by
hand (Figure 7).
CAUTION! 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.
• Squeeze the trigger on the spray gun until you have a
steady stream of water. This purges the pump 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 is secure.
• Check for properly tightened hose connections.
• Check to make sure that there are no kinks, cuts, or
damage to the high pressure hose.
• Check that oil has been added to the proper level in the
engine crankcase.
• Add the proper gasoline to fuel tank.
• Provide a proper water supply (not to exceed 100°F) at
a minimum flow of 3.9 gallons per minute.
• Be sure to read “Safety Rules” and “How To Use Your
Pressure Washer” before using the pressure washer.
Connect high
pressure hose
here.
Figure 5 — Connect High Pressure Hose to Spray Gun
Connect high
pressure hose here
Figure 6 — Connect High Pressure Hose to Pump
Inspect inlet screen,
Do Not use if
damaged, clean if
dirty.
Figure 7 — Connect the Garden Hose to Water Inlet
Snapper 3500 PSI Pressure Washer
8
HOW TO USE YOUR
PRESSURE WASHER
If you have any problems operating your pressure washer,
please contact the local Snapper service center.
How to Start Your Engine
The best way to start your pressure washer for the first
time is to follow these instructions step–by–step. This
starting information also applies if have let the pressure
washer sit idle for at least a day.
• Place the pressure washer in an area close enough to an
outside water source that can flow at a rate of
3.9 gallons per minute or more.
• Make sure the unit is in 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 page 5.
• 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.
• Squeeze the 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 pull start the engine. Release the
trigger.
• Apply the safety latch to the spray gun trigger (Figure 8).
• Move the fuel valve to the “On” position (Figure 9).
• Move the throttle lever to the “Fast” position, shown
on engine as a rabbit (Figure 10).
• To start a cold engine, move the choke lever to the
“Choke” position. To restart a warm engine, leave
the choke lever in the “Run” position (Figure 11).
• Set the rocker switch to the “On” position (Figure 12).
• 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.
Figure 9 — Fuel Valve
Figure 10 — Throttle Positions
Figure 11 — Choke Positions
Figure 12 — Stop Switch
Safety Latch
Figure 8 — Spray Gun with Safety Latch Engaged
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