Shark BR-304037, BR-442537, BR-353237, BR-373537, BR-404027 Operating Instructions And Parts Manual
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MODEL: BR
OPERATING INSTRUCTION
AND PARTS MANUAL
BR-304037 BR-442537 BR-353237
BR-373537 BR-404027 BR-455037E
For technical assistance or the SHARK dealer nearest you,
visit our website at www.shark-pw.com
97-723
Important Safety Information 4-5
Component Identification Small 6
Component Identification Large 7
Assembly Instructions 8
Operating Instructions 9-10
Applying Detergent and General Operating Techniques 11
Shut Down and Clean-Up 12
Storage 12
Troubleshooting 13-14
Preventative Maintenance 15
Oil Change Record 15
Exploded View - Large & Parts List 16-19
Exploded View - Small & Parts List 20-21
Specifications 22-23
SM Series Pump Exploded View & Parts List 24-25
ST 4035 Pump Exploded View & Parts List 26-27
SX 5050 Pump Exploded View & Parts List 28-29
AR-AL Unloader Exploded View & Parts List 30-31
VB Unloader Exploded View & Parts List 32
Hose and Spray Gun Assembly 33
Warranty
CONTENTS
Model Number _________________________________
Serial Number _________________________________
Date of Purchase _______________________________
The model and serial numbers will be found on a decal attached
to the pressure washer. You should record both serial number and
date of purchase and keep in a safe place for future reference.
3
Shark BR 97-723 • REV. 5/07
INTRODUCTION & IMPORTANT SAFETY INFORMATION
READ OPERATOR’S
MANUAL THOROUGHLY
PRIOR TO USE.
WARNING
RISK OF
ASPHYXIATION. USE
THIS PRODUCT ONLY IN
A WELL
VENTILATED AREA.
WARNING
RISK OF FIRE.
DO NOT ADD FUEL
WHEN OPERATING
MACHINE.
WARNING
KEEP WATER
SPRAY AWAY FROM
ELECTRICAL WIRING.
Thank you for purchasing this Pressure Washer.
We reserve the right to make changes at any time
without incurring any obligation.
Owner/User Responsibility:
The owner and/or user must have an understanding of
the manufacturer’s operating instructions and warnings
before using this pressure washer. Warning information
should be emphasized and understood. If the operator
PRESSURE WASHER
is not fluent in English, the manufacturer’s instructions
and warnings shall be read to and discussed with
the operator in the operator’s native language by the
purchaser/owner, making sure that the operator comprehends its contents.
Owner and/or user must study and maintain for future
reference the manufacturers’ instructions.
The operator must know how to stop the machine
quickly and understand the operation of all controls.
OPERATOR’S MANUAL
Never permit anyone to operate the engine without
proper instructions.
This manual should be considered a permanent
part of the machine and should remain with it if
machine is resold.
When ordering parts, please specify model and
serial number. Use only identical replacement
parts.
This machine is to be used only by trained operators.
IMPORTANT SAFETY
INFORMATION
WARNING: To reduce the risk of
injury, read operating instructions carefully before using.
1. Rea d the owner 's manual
thoroughly. Failure to follow
instructions could cause malfunction of the machine and
result in death, serious bodily
injury and/or property damage.
2. Know how to stop the machine and bleed pressure
quickly. Be thoroughly familiar with the controls.
3. Stay alert — watch what you are doing.
4. All installations must comply with local codes.
Contact your electrician, plumber, utility company
or the selling distributor for specific details.
WARNING: Risk of asphyxiation.
Use this product only in a well
ventilated area.
5. Avoid installing machines in
small areas or near exhaust
fans. Exhaust contains poisonous ca rbon monoxide
gas; exposure may cause loss
of consciousness and may
lead to death. It also contains
chemicals known, in certain quantities, to cause
cancer, birth defects or other reproductive harm.
WARNING: Risk of fire. Do not
add fuel when the product is
operating.
WARNING: Risk of explosion —
do not spray flammable liquids.
6. Do not place machine near
flammable objects as the engine is hot.
7. Allow engine to cool for 1-2 minutes before refueling. If any fuel is spilled, make sure the area is
dry before testing the spark plug or starting the
engine. (Fire and/or explosion may occur if this is
not done.)
Gasoline engines on mobile or portable equipment
shall be refueled:
a. outdoors;
b. with the engine on the equipment stopped;
c. with no source of ignition within 10 feet of
the dispensing point; and
d. with an allowance made for expansion of the
fuel should the equipment be exposed to a
higher ambient temperature.
In an overfilling situation, additional precautions are
necessary to ensure that the situation is handled
in a safe manner.
WARNING: Risk of injury. Disconnect battery
ground terminal before servicing.
8. Transport/repair with fuel tank EMPTY or with fuel
shut-off valve OFF.
WARNING: Keep wand, hose, and
water spray away from electric
wiring or fatal electric shock may
result.
9. Do not spray water on or near
electrical components.
4
Shark BR 97-723 • REV. 5/07
IMPORTANT SAFETY INFORMATION
RISK OF EXPLOSION:
DO NOT SPRAY
FLAMMABLE LIQUIDS.
WARNING
WARNING
EAR PROTECTION
MUST BE WORN
WARNING
USE PROTECTIVE
EYE WEAR
AND CLOTHING
WHEN OPERATING
THIS EQUIPMENT.
TRIGGER GUN KICKS
BACK - HOLD WITH
BOTH HANDS
WARNING
RISK OF INJECTION
OR SEVERE INJURY
TO PERSONS. KEEP
CLEAR OF NOZZLE.
WARNING
WARNING
PROTECT FROM
FREEZING
WARNING
RISK OF INJURY
FROM FALLS WHEN
USING LADDER.
PRESSURE WASHER
WARNING: Flammable liquids
can create fumes which can ignite, causing property damage
or severe injury.
WARNING: Risk of explosion
— Do not spray flammable liquids.
10. Keep operating area clear of all persons.
WARNING: This machine exceeds
85 db appropriate ear protection
must be worn.
WARNING: High pressure spray
can cause paint chips or other
particles to become airborne
and fly at high speeds. To avoid
personal injury, eye, hand and
foot safety devices must be
worn.
11. Eye, hand, and foot protection
must be worn when using this
equipment.
WARNING: Grip cleaning wand
securely with both hands before
starting. Failure to do this could
result in injury from a whipping
wand.
12. To reduce the risk of injury,
close supervision is necessary
when a machine is used near
children. Do not allow children
to operate the pressure washer. This machine
must be attended during operation.
WARNING: High pressure devel-
oped by these machines will
cause personal injury or equipment damage. Keep clear of
nozzle. Use caution when operating. Do not direct discharge
stream at people, or severe injury or death will result.
13. Never make adjustments on machine while in operation.
14. Be certain all quick coupler fittings are secured
before using pressure washer.
serious bodily injury, and/or property damage. Follow storage instructions specified in this manual.
16. The best insurance against an accident is precaution and knowledge of the machine.
17. Do not overreach or stand on unstable support.
Keep good footing and balance at all times.
18. Do not operate this machine when fatigued or under
the influence of alcohol, prescription medications,
or drugs.
19. Inlet water must be clean fresh water and no hotter
then 90°F.
20. Manufacturer will not be liable for any changes
made to our standard machines or any components
not purchased from us.
21. Do not allow acids, caustic or abrasive fluids to pass
through the pump.
22. Never run pump dry or leave spray gun closed
longer than 1-2 minutes.
Follow the maintenance instructions speci-
Shark BR 97-723 • REV. 5/07
WARNING: Protect machine from
freezing.
15. To keep machin e in best
operating con ditions, it is
important you protect machine
from freezing. Failure to protect
machine from freezing could
ca use ma lfunction of the
machine and result in death,
WARNING: Be extremely careful
when using a ladder, scaffolding
or any other relatively unstable
loc atio n. The clean ing are a
should have adequate slopes
and drainage to reduce the possibility of a fall due to slippery
surfaces.
fied in the manual.
OPERATOR’S MANUAL
5
COMPONENT IDENTIFICATION — SMALL MODELS
Nozzle
Wand
PRESSURE WASHER
OPERATOR’S MANUAL
Spray Gun
Starter
Grip
Pump
High Pressure
Hose
Pump — Develops high pressure.
Starter Grip— Used for starting the engine manually.
Spray Gun — Controls the application of water and
detergent onto cleaning surface with trigger device.
Includes safety latch.
Detergent Injector — Allows you to siphon and mix
detergents (not shown).
6
High Pressure
Discharge
Shark BR 97-723 • REV. 5/07
Water Inlet
Wand — Must be connected to the spray gun.
High Pressure Hose — Connect one end to water
pump discharge nipple and the other end to spray
gun.
Note: If trigger on spray gun is released for more
than 2 minutes, water will leak from valve. Warm
water will discharge from pump protector onto floor.
This system prevents internal pump damage.
COMPONENT IDENTIFICATION — LARGE MODELS
Nozzle
Wand
Spray Gun
PRESSURE WASHER
OPERATOR’S MANUAL
Starter
Grip
High Pressure
Discharge
Pump
Water Inlet
High Pressure
Hose
7
Shark BR 97-723 • REV. 5/07
ASSEMBLY INSTRUCTIONS
Spray
Gun
Safety
Latch
PRESSURE WASHER
High Pressure
Hose
STEP 1: Attach the high pressure
hose to the spray gun using teflon
tape on hose threads.
OPERATOR’S MANUAL
Dipstick
Pressure
Nozzle
Wand
Coupler
STEP 2: Pull the spring-loaded col-
lar of the wand coupler back to insert
your choice of pressure nozzle.
Discharge
Nipple
Pressure
Nozzle
Wand
Coupler
Wand
Collar
STEP 3: Release the coupler collar
and push the nozzle until the collar
clicks. Pull the nozzle to make sure
it is seated properly.
Cold
Water
Source
STEP 4: Remove shipping cap and
install oil dipstick. Check pump oil
level by using dipstick or observe
oil level in oil window (if equipped).
Use 30 wt. non detergent oil.
Pump
Water Inlet
STEP 7: Check inlet filters, remove
debris, then connect garden hose
to pump water inlet. CAUTION: Do
not run the pump without water or
pump damage will result.
8
Garden
Hose
Coupler Collar
High Pressure Hose
STEP 5:
Connect the high pressure
hose to the pump discharge nipple.
Push coupler collar forward until
secure.
Shark BR 97-723 • REV. 5/07
Garden
Hose
STEP 6: Connect garden hose to
the cold water source.
OPERATING INSTRUCTIONS
Engine
Oil
Dipstick
PRESSURE WASHER
Gas
Tank
OPERATOR’S MANUAL
STEP 1: Check engine oil level. Oil level should be level with the bottom
of the oil filler neck. Be sure the machine is level when checking the oil
level. (Refer to the engine's operating manual included with machine.) We
recommend that the oil be changed after the first 5 hours of use, then once
every 50 hours. Note: Improper oil levels will cause low oil sensor to shut
off engine. IMPORTANT! Do not run engine with high or low oil levels
as this will cause engine damage.
Cold
Water
Source
Garden
Hose
STEP 3:
Connect garden hose
to the cold water source and turn
water on completely. Never use
hot water.
STEP 4: Trigger the spray gun to
eliminate trapped air then wait for a
steady flow of water to emerge from
the spray nozzle.
STEP 2: Fill gas tank with unleaded
gasoline. Do not use leaded gasoline.
Fuel
Valve
STEP 5: Rotate the fuel shut-off valve to the "On"
position. Slide the fuel valve lever to the "ON" position.
When the engine is not in use, leave the fuel valve in
the "OFF" position.
STEP 6: Pull the choke knob out to the "Choke" position
(on a warm engine, when in the run position, leave the
choke knob in). Push the choke knob to the "Closed"
position. To restart a warm engine, leave the choke knob
in the "Open" position.
Shark BR 97-723 • REV. 5/07
Choke
Knob
9
OPERATING INSTRUCTIONS (CON'T)
On-Off
PRESSURE WASHER
STEP 7: Turn the engine switch to "ON" position. STEP 8: Pull the starter grip. If the engine fails to start
OPERATOR’S MANUAL
NOZZLES
Switch
after 2 pulls, squeeze the trigger gun to release pressure
and repeat step. Return starter gently. After the engine
warms up enough to run smoothly, move choke to run
position and throttle to fast position.
CAUTION: Small engines may kick back. Do not hold
pull starter grip tightly in hand.
The five color-coded quick connect
nozzles provide a wide array of spray
widths from 0° to 45° and are easily accessible when placed in the convenient
rubber nozzle holder, which is provided
on the front of the machine.
NOTE: For a more gentle rinse, select
the white 40° or green 25° nozzle. To
scour the surface, select the yellow 15°
or red 0° nozzle. To apply detergent
select the black nozzle.
Safety
Latch
WARNING! Never replace
nozzles without engaging the
safety latch on the spray gun
trigger.
10
Shark BR 97-723 • REV. 5/07
WARNING
APPLYING DETERGENT AND GENERAL CLEANING TECHNIQUES
PRESSURE WASHER
WARNING: Some detergents
may be harmful if inhaled or
ingested, causing severe nausea, fainting or poisoning. The
harmful elements may cause
property damage or sever e
injury.
STEP 1: Connect detergent injector to discharge nipple
on machine. Connect high pressure hose to injector
with quick coupler. (Check to make sure locking coupler
sleeves are in proper position before applying water
pressure).
Discharge
Nipple
Detergent
Injector
Quick Coupler
High
Pressure
Hose
Filter
Soap
Nozzle
THERMAL PUMP PROTECTION
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 high temperatures. When the water reaches this temperature, the
pump protector engages and cools the pump by discharging the warm water onto the ground. This thermal
device prevents internal damage to the pump.
CLEANING TIPS
Pre-rinse cleaning surface with fresh water. Place detergent suction tube directly into cleaning solution and
apply to surface at low pressure (for best results, limit
your work area to sections approximately 6 feet square
and always apply detergent from bottom to top). Allow
detergent to remain on surface 1-3 minutes. Do not allow detergent to dry on surface. If surface appears to
be drying, simply wet down surface with fresh water. If
needed, use brush to remove stubborn dirt. Rinse at
high pressure from top to bottom in an even sweeping
motion keeping the spray nozzle approximately 1 foot
from cleaning surface. Use overlapping strokes as you
clean and rinse any surface. For best surface cleaning
action spray at a slight angle.
OPERATOR’S MANUAL
STEP 2:
Use detergent designed
specifically for pressure washers.
Household detergents could damage the pump. Prepare detergent
solution as required by the manufacturer. Fill a container with pressure washer detergent. Place the
filter end of detergent suction hose
into the detergent container.
STEP 3: With safety latch on spray gun engaged,
sec ure black soap noz zle int o qu ick co upler.
NOTE: Detergent cannot be applied using red, yellow,
green or white nozzles.
STEP 4: With the engine running,
pull trigger to operate machine.
Liquid detergent is drawn into the
machine and mixed with water.
Apply detergent to work area.
Do not allow detergent to dry on
surface.
IMPORTANT: You must flush the detergent injection
system after each use by placing the suction hose
into a bucket of clean water, then run the pressure
washer in low pressure for 1-2 minutes.
Recommendations:
• Before cleaning any surface, an inconspicuous
area should be cleaned to test spray pattern and
distance for maximum cleaning results.
• If painted surfaces are peeling or chipping, use
extreme caution as pressure washer may remove
the loose paint from the surface.
• Keep the spray nozzle a safe distance from the
surface you plan to clean. High pressure wash a
small area, then check the surface for damage. If no
damage is found, continue to pressure washing.
CAUTION - Never use:
• Bleach, chlorine products and other corrosive
chemicals
• Liquids containing solvents (i.e., paint thinners,
gasoline, oils)
• Tri-sodium phosphate products
• Ammonia products
• Acid-based products
These chemicals will harm the machine and will damage the surface
being cleaned.
RINSING
It will take a few seconds for the detergent to clear.
Apply safety latch to spray gun. Remove black soap
nozzle from the quick coupler. Select and install the
desired high pressure nozzle. NOTE: You can also stop
detergent from flowing by simply removing detergent
siphon hose from bottle.
11
Shark BR 97-723 • REV. 5/07
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