For technical assistance or the SHARK dealer nearest you,
visit our website at www.shark-pw.com
97-723
Page 2
Page 3
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
Page 4
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
Page 5
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
Page 6
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.
Page 7
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
Page 8
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.
Page 9
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
Page 10
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
Page 11
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
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
Page 12
SHUTTING
DOWN
AND CLEAN-UP
On-Off
Switch
STEP 1: Remove detergent suction
PRESSURE WASHER
tube from container and insert into
one gallon of fresh water. Slide nozzle
forward for low pressure or to connect
black detergent nozzle. Pull trigger
on spray gun and siphon water for
one minute.
OPERATOR’S MANUAL
Water
Inlet
STEP 4: Press trig-
ger to release water
pressure.
CAUTION: Always store your pressure washer in a
location where the temperature will not fall below
32°F (0°C). The pump in this machine is susceptible
to permanent damage if frozen. FREEZE DAMAGE
IS NOT COVERED BY WARRANTY.
1. Stop the pressure washer, squeeze spray gun trigger to release pressure.
2.
Detach water supply hose and high pressure hose.
3. Turn on the machine for a few seconds, until remaining water exits. Turn engine off immediately.
4. Drain the gas and oil from the engine.
5.
Do not allow high pressure hose to become
kinked.
6. Store the machine and accessories in a room which
does not reach freezing temperatures.
CAUTION: Failure to follow the above directions will
result in damage to your pressure washer.
When the pressure washer is not being operated or is
being stored for more than one month, follow these
instructions:
1. Replenish engine oil to upper level.
2. Drain gasoline from fuel tank, fuel line, fuel valve
and carburetor.
3. Pour about one teaspoon of engine oil through
12
the spark plug hole, pull the starter grip several
STEP 5: Disconnect the garden
hose from the water inlet on the
machine.
STEP 2: Turn engine switch to "OFF"
position.
Shark BR 97-723 • REV. 5/07
STEP 6: Disconnect the high
pressure hose from the discharge nipple.
STORAGE
times and replace the plug. Then pull the starter
grip slowly until you feel increased pressure which
indicates the piston is on its compression stroke and
leave it in that position. This closes both the intake
and exhaust valves to prevent rusting of cylinder.
4. Cover the pressure washer and store in a clean, dry
place that is well ventilated away from open flame
or sparks. NOTE: The use of a fuel additive, such
as STA-BIL®, or an equivalent, will minimize the
formulation of fuel deposits during storage. Such
additives may be added to the gasoline in the fuel
tank of the engine, or to the gasoline in a storage
container.
After Extended Storage
Engine Maintenance
During the winter months, rare atmospheric conditions
may develop which will cause an icing condition in the
carburetor. If this develops, the engine may run rough,
lose power and may stall. This temporary condition can
be overcome by deflecting some of the hot air from the
engine over the carburetor area. NOTE: Refer to the
engine manufacturer's manual for service and maintenance of the engine.
ST EP 3: Turn off water
supply.
Discharge
Nipple
Safety
Latch
ST EP 7: Eng age
the spray gun safety
lock.
CAUTION: Prior to restarting, thaw out any
possible ice from pressure washer hoses,
spray gun or wand.
Page 13
TROUBLESHOOTING
PROBLEMPOSSIBLE CAUSESOLUTION
LOW OPERATING
PRESSURE
FLUCTUATING
PRESSURE
PRESSURE LOW
AFTER PERIOD OF
NORMAL USE
ENGINE WILL NOT
START OR STOPS
WHILE OPERATING
ENGINE IS
OVERLOADED
WATER OR OIL
LEAKING FROM
BOTTOM OF PUMP
PRESENCE OF WATER
IN PUMP OIL
Insufficient water supply. Closed
faucet. Inlet hose kinked
Clogged inlet hose strainerCheck plumbing system for leaks. Retape
Faulty or misadjusted unloader
valve
Worn packing in pumpCall technical support.
Machine has been stored in freezing temperatures.
Slow engine RPMCall technical support.
Worn or dirty pump valvesCall technical support.
Nozzle is obstructedUse nozzle wire in accessory kit.
Pump sucking air, inlet hose leaking
Nozzle wornReplace nozzle.
Unloader valve wornReplace unloader valve.
Low oil shutdownFill engine with oil.
Water in gasolineDrain gas tank; fill with clean fuel.
Out of gasFill fuel tank.
Nozzle partially blockedClean nozzle.
Excessive pressure from high
engine RPM
A small amount of leaking is
normal
Water sprayed at machineChange oil. Direct spray away from ma-
High humidity in airCheck and change oil twice as often.
Piston packing worn. Oil seal
worn
Use larger garden hose; clean inlet water
screen. Open faucet.
leaks with teflon tape.
Adjust unloader for proper pressure. Install
repair kit when needed. Call technical support.
Thaw out machine completely, including
hose, spray gun and wand.
Check all pump lines and connections.
Adjust engine throttle to lower RPM.
If excessive leaking occurs, call technical
support.
chine.
Call technical support.
PRESSURE WASHER Troubleshooting Guide
13
Shark BR 97-723 • REV. 5/07
Page 14
TROUBLESHOOTING
PROBLEMPOSSIBLE CAUSESOLUTION
ENGINE OPERATES
FOR 15 MIN. THEN
STOPS
ENGINE LACKS POWER
ENGINE FALTERS
WATER DRIPPING
FROM UNDER PUMP
OIL DRIPPING
WATER LEAKING FROM
PUMP PROTECTOR
NO DETERGENT
PRESSURE WASHER Troubleshooting Guide
GARDEN HOSE
CONNECTION LEAKS
SPRAY WAND LEAKS
PUMP IS NOISY
Not enough gas or engine oilFill tank with gas. Check oil level.
Vapor lock developed by heat of
day
Obstruction in fuel filterClean or replace fuel filter.
Dirty air filterReplace air filter.
Choke is opened too soonMove choke to halfway position until en-
Spray gun closed with machine
running 5 minutes or longer
Excess water supply pressurePlace a pressure regulator at end of 50’
Detergent suction tube not properly connected to machine
Detergent is too thickDilute detergent. For best results, use
Detergent filter valve is at lowest
setting
Filter on detergent suction tube is
clogged
Damaged or clogged detergent
suction tube
A high pressure nozzle is attached.
Discharge nozzle is obstructedBlow out or remove debris with fine needle.
Loose fittingsTighten fittings.
Missing/worn rubber washerInsert new washer.
Spray wand not properly attachedSlide the spray wand into the gun. Turn the
Broken o-ringCall customer service and order an o-ring.
Pump is sucking airCheck that hoses and fittings are air tight.
Keep gas tank full to avoid vapor locking.
gine runs smoothly.
Open spray gun or turn off machine.
garden hose.
Check connection.
Rhino detergent.
Set detergent filter valve to a higher setting.
Run warm water through filter to remove
debris.
Remove obstruction or replace detergent
suction tube.
Replace with black detergent nozzle.
wand collar clockwise onto the spray gun
threads until tight.
Turn off machine and purge pump by
squeezing trigger gun until a steady flow of
water emerges through nozzle.
14
Shark BR 97-723 • REV. 5/07
Page 15
PREVENTATIVE MAINTENANCE
This pressure washer was produced with the best available materials and quality craftsmanship. However, you
as the owner have certain responsibilities for the correct care of the equipment. Attention to regular preventative
maintenance procedures will assist in preserving the performance of your equipment. Contact your dealer for
maintenance. Regular preventative maintenance will add many hours to the life of your pressure washer. Perform
maintenance more often under severe conditions.
PRESSURE WASHER
Pump OilInspect
Change
Replace high pressure nozzle
Replace quick connects
Clean water screen/filter
Replace HP hose
Grease motor
Daily inspect the oil level
After first 50 hours, then every 500 hours or
annually
Every 6 months
Annually
Weekly
Annually if there is any sign of wear
Every 10,000 hours
OIL CHANGE RECORD
Check pump oil and engine oil level before first use of your new pressure washer.
Date Oil Changes
Month/Day/Year
Estimated Operating
Hours Since Last Oil
Change
Date Oil Changes
Month/Day/Year
OPERATOR’S MANUAL
Estimated Operating
Hours Since Last Oil
Change
15
Shark BR 97-723 • REV. 5/07
Page 16
EXPLODED VIEW - LARGE
PRESSURE WASHER
OPERATOR’S MANUAL
2
31
27
23
8, 9
50
404027, 404029
79
16
Models
22
18
43
45
59
88
40
45
20
18
39
62
54
56
1
4
57
12
3
60
55
5
73
57
59
63
44
57
37
34
36
35
38
91
89
90
28
26
16
84
78
33
9
8
50
22
18
65
77
61
19
15
All Models
Except
32
21
4040
14
23
73
76
52
75
13
53
Models
404027,
404029
7
48
74
29
48
74
49
49
42
48
82
48
74
59
30
74
29
11
86
87
59
83
74
60
74
48
85
53
59
47
48
41
71
25
59, 60, 61
60
93
92
24
6
94
49
48
74
70
72
58
67
66
81
59
80
64
68
95
60
7269
58
70
59
60
17
46
51
51
16
Shark BR 97-723 • REV. 5/07
Page 17
EXPLODED VIEW PARTS LIST- LARGE
PRESSURE WASHER
ITEM PART NO. DESCRIPTION QTY
1 10-02011 Label, This Tank For Gas Only (455037E) 1
Loosen the two (2) nuts (Items 25), move them upward on stem (Item 14) until you see 4 or more threads
3.
below the nut.
Re-attach adjusting knob (Item 8).
4.
Start machine. Open the trigger of the spray gun. Increase pressure by turning adjustment knob (Item 8)
5.
clockwise until pressure is at the desired operating pressure.
Remove the adjustment knob (Item 8), tighten the lower nut (item 25) tightly against the upper nut (Item 25).
6.
Re-attach adjustment knob (Item 8) and screw down until contact is made with the nuts (Item 25). Screw down
lock nut (Item 7) onto the stem (Item 14) until the threads cut into the nylon insert of the lock nut (Item 7).
*If adjustment knob (Item 8) DOES NOT make contact with upper nut (Item 25), remove adjusting knob (Item
8), re-adjust (raise) nuts (Items 25) on stem (Item 14) and re-attach adjustment knob (Item 8), then repeat step
#6.
**If adjustment knob (Item 8) DOES make contact with upper nut, release the trigger of the spray gun and watch
the pressure gauge for the pressure increase (“spike”). This “spike” SHOULD NOT exceed 500 psi above the
operating pressure. If spike pressure exceeds the 500 psi limit, remove the adjusting knob (Item 8) and re-adjust
(lower) the nuts (Items 25) on the stem (Item 14). Re-attach the adjusting knob (Item 8), then repeat step #6.
31
Shark BR 97-723 • REV. 5/07
Page 32
VB UNLOADER EXPLODED VIEW
VB 5-3014 10.5 GPM at 5100
PSI, VB350/4
PRESSURE WASHER
OPERATOR’S MANUAL
VB UNLOADER EXPLODED VIEW PARTS LIST
ITEM PART # DESCRIPTION QTY
1 60.1811.31 3/8 Bsp F Nipple 1
2 10.3066.01* O-Ring, 1.78 x 15.6 mm 2
3 60.0053.51 Spring 1
4 60.0052.51 Sst Check Valve 1
5 10.3213.08* O-Ring, 3 x 6mm 1
6 60.1725.35 VB280-350 Brass Body 1
7 60.1809.51* Seat 1
8 60.1808.51* M 8 Shutter 1
9 10.3068.01* O-Ring, 1.78 x 17.17 mm 1
10 60.1810.31 Spacer 1
11 60.0979.24* VB280-350 Val. Pist. Seal
Repair Set 1
12 10.3072.01* O-Ring, 1.78 x 20.35 mm 1
13 60.0973.31 Piston Housing (60.1600.00) 1
60.1805.31 Piston Housing (60.1700.00) 1
14 16.2100.00 M 4 x 4 mm Dowel 1
15 60.1728.31 Lock Nut 1
32
Shark BR 97-723 • REV. 5/07
ITEM PART # DESCRIPTION QTY
16 60.0978.24* VB280-350 Val. Pist. Seal
Repair Set 1
17 60.1806.51 M8 Piston 1
18 14.7443.10* Sst 11/32" Ball 1
19 60.1813.31 Spring Guide 1
20 60.0975.61 4.2 mm Spring (60.1600.00) 1
60-1812.61 4.5 x 47 mm Spring (60.1700.00) 1
21 60.1727.31 Brass Cap 1
22 60.1726.84 VB280 Black Plastic Knob (60.1600.00) 1
60.1729.84 VB350.4 Red Plastic Knob
(60.1700.00) 1
*Kit :
K1 60.1615.24 VB280-350.4 Spare Parts Kit
Pcs. 11 x 1
All SHARK PRESSURE WASHERS are warranted by SHARK to the original purchaser to be free from defects in materials
and workmanship under normal use, for the periods specified below. This Limited Warranty is subject to the exclusions shown
below, is calculated from the date of the original purchase, and applies to the original components only. Any parts replaced
under this warranty will assume the remainder of the part’s warranty period. This warranty applies to the original purchaser
and is not transferable.
LIMITED LIFETIME PARTS WARRANTY:
Components manufactured by SHARK, such as frames, handles, and belt guards. Forged brass pump manifold. All heating
coils will have a three year warranty. Internal components (excluding oil seals) on the oil-end of all pressure washer pumps
will have a seven year warranty.
ONE YEAR PARTS AND 90 DAYS LAbOR WARRANTY:
All other components, excluding normal wear items as described below, will be warranted for one year on parts. Warranty on
these parts will be for one year regardless of the duration of the original component manufacturer’s part warranty.
WARRANTY PROVIDED bY OTHER MANUFACTURERS:
Motors, generators, and engines, which are warranted by their respective manufacturers, are serviced through these manufacturers’ local authorized service centers. SHARK cannot provide warranty on these items.
2.Damage or malfunctions resulting from accidents, abuse, modifications, alterations, incorrect installation, improper
servicing, failure to follow manufacturer’s maintenance instructions, or use of the equipment beyond its stated usage
specifications as contained in the operator’s manual.
3.Damage due to freezing, chemical deterioration, scale buildup, rust, corrosion, or thermal expansion.
4.Damage to components from fluctuations in electrical or water supply.
5.Normal maintenance service, including adjustments, fuel system cleaning, and clearing of obstructions.
6.Transportation to service center, shop labor charges, field labor charges, or freight damage.
WHAT YOU MUST DO TO ObTAIN WARRANTY SERVICE
While not required for warranty service, we request that you register your SHARK pressure washer by returning the completed
registration card. In order to obtain warranty service on items, you must return the product to an Authorized SHARK Dealer,
freight prepaid, with proof of purchase, within the applicable warranty period. If the product is permanently installed, you
must notify your Authorized SHARK Dealer of the defect. The Authorized Dealer will file a claim, which must subsequently
verify the defect. In most cases, the part must be returned to SHARK freight prepaid with the claim. For warranty service on
components warranted by other manufacturers, the Authorized Dealer can help you obtain warranty service through these
manufacturers’ local authorized service centers.
LIMITATION OF LIAbILITY
SHARK’S liability for special, incidental, or consequential damages is expressly disclaimed. In no event shall SHARK’S liability
exceed the purchase price of the product in question. SHARK makes every effort to ensure that all illustrations and specifications are correct, however, these do not imply a warranty that the product is merchantable or fit for a particular purpose, or that
the product will actually conform to the illustrations and specifications. THE WARRANTY CONTAINED HEREIN IS IN LIEU
OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTY OF FITNESS FOR A
PARTICULAR PURPOSE. SHARK does not authorize any other party, including authorized Dealers, to make any representa-
tion or promise on behalf of SHARK, or to modify the terms, conditions, or limitations in any way. It is the buyer’s responsibility
to ensure that the installation and use of SHARK products conforms to local codes. While SHARK attempts to assure that its
products meet national codes, it cannot be responsible for how the customer chooses to use or install the product.
SHARK PRESSURE WASHERS
www.shark-pw.com
SHARK BR • 97-723 • REV. 5/07
PRESSURE WASHER WARRANTY
Page 36
Form #97-723 / 8.914-453.0 • Revised 5/07 • Printed in U.S.A.
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