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4

DG SERIES PRESSURE WASHER  

OPERATOR’S MANUAL

Shark DG  •  Rev. 1/03

INTRODUCTION

Thank you for purchasing a Shark Pressure Washer.

This manual covers the operation and maintenance of the
DG-302231, DG-302531, DG-303031, DG-353031,
DG-353531, DG-404021, DG-302237, DG-302537,
DG-303037, DG-353037, DG-353537, and DG-404027
washers. All information in this manual is based on the
latest product information available at the time of printing.

Shark reserves the right to make changes at any time
without incurring any obligation.

The DG Series was designed for maximum

use of 4 hours per day, 5 days per week.

Owner/User Responsibility:

The owner and/or user must have an understanding of
the manufacturer’s operating instructions and warnings
before using this Shark pressure washer. Warning infor-
mation should be emphasized and understood. If the op-
erator is not fluent in English, the manufacturer’s instruc-
tions and warnings shall be read to and discussed with
the operator in the operator’s native language by the pur-
chaser/owner, making sure that the operator comprehends
its contents.

Owner and/or user must study and maintain for future
reference the manufacturers’ 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.

IMPORTANT
SAFETY INFORMATION

CAUTION: To reduce the risk of in-
jury, read operating instructions
carefully before using.

1. Read the owner's manual thor-

oughly. Failure to follow instruc-
tions could cause malfunction
of the machine and result in
death, serious bodily injury and/
or property damage.

2. All installations must comply with local codes. Con-

tact your electrician, plumber, utility company or the
selling distributor for specific details.

WARNING

HIGH PRESSURE

SPRAY CAN PIERCE

SKIN AND TISSUES.

WARNING

RISK OF FIRE.

DO NOT ADD FUEL

WHEN OPERATING

MACHINE.

WARNING

RISK OF

ASPHYXIATION.

USE ONLY IN A WELL

VENTILATED AREA.

WARNING: Risk of asphyxiation —
Use this product only in a well ven-
tilated area.

  3. Avoid installing machines in

small areas or near exhaust
fans. Exhaust contains poison-
ous carbon monoxide gas; ex-
posure may cause loss of con-
sciousness and may lead to

death. It also contains detergents known, in certain
quantities, to cause cancer, birth defects, or other
reproductive harm.

WARNING: Flammable liquids can
create fumes which can ignite
causing property damage or
severe injury.

WARNING: Risk of fire — Do not
add fuel when the product is
operating.

WARNING: Risk of explosion — Do
not spray flammable liquids.

4. Do not place machine near flammable objects as the

engine is hot.

    5. Allow engine to cool for 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 refuelled:

(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: High pressure stream
of water that this equipment can
produce can pierce skin and its
underlying tissues, leading to se-
rious injury and possible ampu-
tation.

READ OPERATOR’S

MANUAL THOROUGHLY

PRIOR TO USE.

CAUTION

Summary of Contents for DG-3022

Page 1: ...S 4275 N W Pacific Rim Blvd Camas WA 98607 USA For technical assistance or the Shark Dealer nearest you call 1 800 771 1881 MODEL DG OPERATING INSTRUCTION AND PARTS MANUAL DG 3022 DG 3025 DG 3030 DG 3...

Page 2: ...gth 32 5 Width 19 5 Height 23 5 DG 3025 Length 32 5 Width 19 5 Height 23 5 DG 3030 Length 32 5 Width 19 5 Height 23 5 DG 3530 Length 32 5 Width 19 5 Height 23 5 DG 3535 Length 32 5 Width 19 5 Height 2...

Page 3: ...4 5 Pre Operation Check 5 Set Up Procedures 5 Component Identification 6 Operating Instructions 7 Shut Down Procedures 7 General WashingTechniques 7 How To Use the Detergent Injector 8 Exploded View...

Page 4: ...allations must comply with local codes Con tact your electrician plumber utility company or the selling distributor for specific details WARNING HIGH PRESSURE SPRAY CAN PIERCE SKIN AND TISSUES WARNING...

Page 5: ...14 Do not allow children to operate the pressure washer at any time 15 Inlet water supply must be cold and clean fresh water PRE OPERATION CHECK Pump oil SAE 30W non detergent oil Cold clean fresh wa...

Page 6: ...ressure Hose Connect one end to water pump discharge nipple and the other end to spray gun Pump Protector Cycles fresh cool water through pump when recirculating water reaches 140 F NOTE If trigger on...

Page 7: ...or any one else press the trigger on the spray gun to ob tain pressurized spray SHUTDOWN PROCEDURES 1 If a detergent injector was used flush all lines with clean water to remove soap residue 2 Turn of...

Page 8: ...t pressure discharge hose to injector nipple securing quick coupler 3 Start machine as outlined in Operating Instructions 4 Place detergent pick up tube into container of deter gent solution 5 Install...

Page 9: ...UREWASHER OPERATOR S MANUAL 9 Shark DG Rev 1 03 EXPLODED VIEW 6 22 7 15 14 8 14 13 25 5 12 28 27 34 16 33 23 15 14 13 4 12 19 12 33 21 18 17 32 1 20 14 30 2 11 10 3 35 29 29 24 31 26 12 3022 3025 4 9...

Page 10: ...1 2 30082 Pump Protector 1 2 PTP 302237 302537 3030 3530 3535 4040 1 10 2 2006 Nipple 3 8 x 3 8 NPT ST FEM 302231 302237 302531 302537 303037 353037 353537 1 ITEM PART NO DESCRIPTION QTY 1 5 0104 Engi...

Page 11: ...6 ESNA NC 3022 3025 4040 4 90 2002 Nut 3 8 ESNA 3530 3535 3030 4 19 10 02025A Label Hot Caliente w Arrows Warning 1 ITEM PART NO DESCRIPTION QTY 20 10 02029 Label Danger Cool Engine 1 21 95 0720025 Fr...

Page 12: ...Nozzle See Exploded View Parts List 5 4 16540 Nozzle Compl QCEM 6540 Brass 1 6 4 02093450BC Hose 3 8 x 50 1 Wire w Coupler 3022 3025 3030 3530 1 ITEM PART NO DESCRIPTION QTY 6 4 02073450RC Hose 3 8 x...

Page 13: ...G PRESSURE Worn pump valves Call Shark technical support Dirt in pump valves Call Shark technical support Pump sucking air Check all pump lines and connections PRESSURE LOW AFTER PERIOD OF NORMAL USE...

Page 14: ...lock developed by heat of day Keep gas tank full to avoid vapor locking Obstruction in fuel filter Clean or replace fuel filter WATER DRIPPING FROM UNDER PUMP Piston packing worn Call Shark technical...

Page 15: ...Daily Change First month or 20 hours Every 100 hours or every 6 months after first month Filter Every 50 hours Air Cleaner Inspect Every 50 hours Clean Monthly Engine Fuel Filter 500 hours or 6 month...

Page 16: ...h the spark plug hole pull the starter grip several times and replace the plug Then pull the starter grip slowly until you feel increased pressure which indicates the piston is on its compression stro...

Page 17: ...e 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...

Page 18: ...4275 N W Pacific Rim Blvd Camas WA 98607 1 800 771 1881 Form 97 6124 Revised 1 03 Printed in U S A...

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