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9.800-082.0  • 15751000-1100 • Rev. 04/09

PRESSURE WASHER    Troubleshooting  Guide

12

TROUbLESHOOTING

PRObLEM

POSSIbLE CAUSE

SOLUTION

LOW OPERATING
PRESSURE

Insufficient  water  supply.  Closed 
faucet. Inlet hose kinked

Use  larger  garden  hose;  clean  inlet  water 
screen. Open faucet.

Clogged inlet hose strainer

Check  plumbing  system  for  leaks.  Re-tape 

leaks with Teflon tape.

Faulty or improperly adjusted 

unloader valve

Adjust  unloader  for  proper  pressure.  Install 
repair kit when needed. Contact local deal-
er.

Worn packing in pump

Contact local dealer.

Machine  has  been  stored  in 
freezing temperatures

Thaw  out  machine  completely,  including 
hose, spray gun and wand.

Slow engine RPM

Contact local dealer.

fLUCTUATING 
PRESSURE

Worn or dirty pump valves

Contact local dealer.

Nozzle is obstructed

Blow out or remove debris with fine needle.

Pump sucking air, inlet hose leak-
ing

Check all pump lines and connections.

PRESSURE LOW  
AfTER PERIOD Of 
NORMAL USE

Nozzle worn

Replace nozzle.

Unloader valve worn

Replace unloader valve.

ENGINE WILL NOT 
START OR STOPS  
WHILE OPERATING 

Low oil shutdown

Fill engine with oil.

Out of gas

Fill fuel tank.

Water in gasoline

Drain gas tank; fill with clean fuel.

ENGINE IS
OvERLOADED

Nozzle partially blocked

Clean nozzle.

Excessive  pressure  from  high 
engine RPM

Adjust engine throttle to lower RPM.

WATER OR OIL 
LEAkING fROM 
bOTTOM Of PUMP

A small amount of leaking is nor-
mal

If  excessive  leaking  occurs,  Contact  local 

dealer.

PRESENCE Of 
WATER
IN PUMP OIL

Water sprayed at machine

Change oil. Direct spray away from ma-
chine.

High humidity in air

Check and change oil twice as often.

Piston packing worn. Oil seal 
worn.

Contact local dealer.

Summary of Contents for DG-232437

Page 1: ...L LO W EN GIN E STO PS IMM ED IAT ELY RE AD OW NE R S MA NU AL BE FO RE OP ER AT ION LIR E LE MA NU EL D U TIL ISA TE UR AV AN T US AG E VO R INB ET RIE BN AH ME UN BE DIN GT BE DIE NU NG SA NL EIT UN...

Page 2: ......

Page 3: ...keep in a safe place for future reference Important Safety Information 4 5 Component Identification 6 Assembly Instructions 7 Operating Instructions 8 9 Applying Detergent and General Operating Techn...

Page 4: ...es 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 WARNING Risk of asphyxi...

Page 5: ...High pressure de veloped by these machines will cause personal injury or equip ment damage Keep clear of nozzle Use caution when op erating Do not direct discharge stream at people or severe injury or...

Page 6: ...th trigger device Includes safety latch Detergent Injector Allows you to siphon and mix detergents Wand Must be connected to the spray gun High Pressure Hose Connect one end to water pump discharge ni...

Page 7: ...is seated properly STEP 8 Connect the high pres sure hose to the pump discharge nipple Push coupler collar forward until secure STEP 5 Attach nozzle extension to spray gun wand Tighten both by hand S...

Page 8: ...oil level by using dipstick or observe oil level in oil window if equipped Use 30 wt non detergent oil STEP 5 Rotate the fuel shut off valve to the On position Slide the fuel valve lever to the ON po...

Page 9: ...rottle to fast position CAUTION Small engines may kick back Do not hold pull starter grip tightly in hand operating instructions con t WARNING Never replace nozzles without engaging the safety latch o...

Page 10: ...ace with fresh water Place de tergent 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 an...

Page 11: ...sher 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 carbureto...

Page 12: ...ump valves Contact local dealer Nozzle is obstructed Blow out or remove debris with fine needle Pump sucking air inlet hose leak ing Check all pump lines and connections pressure low after period of n...

Page 13: ...of 50 garden hose NO DETERGENT Detergent suction tube not properly connected to machine Check connection Detergent is too thick Dilute detergent For best results use manufac turers detergent Detergen...

Page 14: ...vel before first use of your new pressure washer Date Oil Changed Month Day Year Estimated Operating Hours Since Last Oil Change Date Oil Changed Month Day Year Estimated Operating Hours Since Last Oi...

Page 15: ...repr oduc tive harm Ope ratio n of This Equ ipme nt May Crea te Spar ks That Can Star t Fires Arou nd Dry Vege tatio n A Spar k Arre stor May be Req uired The Ope rato r Sho uld Con tact Loca l Fire A...

Page 16: ...cription qty 20 Nozzle Size See Page 19 For Proper Size 9 104 016 0 NOZZLE KIT 3 25 110 0 1 8 904 153 0 NOZZLE KIT3 0 100 0 101 0 1 8 712 331 0 Nozzle 3 0 0 Red 1 8 712 333 0 Nozzle 3 0 15 Yellow 1 8...

Page 17: ...eaning Solution 1 52 9 802 776 0 Nut 5 16 ESNA NC 5 HP 5 5HP 6 5 HP 4 9 802 779 0 Nut 3 8 ESNA NC 9 HP 11HP 13 HP 4 53 8 718 980 0 Washer 5 16 Flat 5 HP 5 5 HP 6 5 HP 8 9 802 807 0 Washer 3 8 Flat 9 H...

Page 18: ...711 722 0 KG2530G 9 803 822 0 9 803 899 0 GC160 5 5 9 802 316 0 1 575 101 0 2 5 2700 3 0 8 711 722 0 KG2530G 9 803 822 0 9 803 899 0 GX200 6 5 9 802 317 0 1 575 102 0 3 0 3000 3 5 8 711 722 0 KG3035G...

Page 19: ...n Ring A 1 8 9 803 909 0 O Ring A 2 9 9 803 910 0 O Ring A 1 10 9 803 911 0 Connector 1 11 9 803 912 0 Teflon Ring A 1 12 9 803 913 0 Stem C 1 13 9 803 914 0 Connector Female 1 14 9 803 191 0 O Ring A...

Page 20: ...199 0 Copper Washer 1 2 1 12 9 803 946 0 Manifold Housing 1 13 9 803 947 0 O Ring 1 78 x 15 54 6 14 See Kit BelowValve Assembly 6 15 9 803 948 0 O Ring 2 62 x 18 77 6 16 9 803 949 0 Valve Plug 6 17 9...

Page 21: ...0 Connecting Rod Pin 3 45 9 803 966 0 Connecting Rod 3 49 9 803 218 0 Spring Washer 6 50 8 933 020 0 Connecting Rod Screw 6 54 9 803 969 0 O Ring 2 62 x 107 62 1 53 9 803 968 0 Crankcase Cover 1 52 9...

Page 22: ...9 9 802 884 0 Washer 8 20 9 803 198 0 Copper Washer 3 8 1 21 9 802 925 0 Brass Plug 3 8 2 item Part no Description QTY 26 9 802 939 0 Hexagonal Screw 9 27 9 803 210 0 Washer 4 28 9 803 184 0 Closed Be...

Page 23: ...nger Rod 3 54 9 802 913 0 Snap Ring 6 55 9 802 916 0 Connecting Rod Pin 3 56 9 803 158 0 Connecting Rod 3 57 9 803 218 0 Spring Washer 6 58 9 803 238 0 Connecting Rod Screw 6 59 8 933 016 0 O Ring 2 6...

Page 24: ...eal 12 42 x 1 78 1 13 7 362 507 0 O Ring Seal 8 x 2 NBR 90 1 14 6 413 403 0 Thermo Valve Tin Coated 1 item Part no Description QTY 15 5 332 290 0 Helical Spring 1 16 9 175 005 0 Unloader Assembly 1 17...

Page 25: ...MANUAL 9 120 0210 Housing View Pump Exploded view parts list item Part no Description QTY 1 9 166 016 0 Grooved Ball Bearing 1 2 9 135 018 0 Swash Plate Hor 1 3 9 165 356 0 Ball Bearing No 6207 1 4 9...

Page 26: ...nd lightning strikes 7 Defects caused by water sediments rust corrosion thermal expansion scale deposits or a contaminated water supply such as water in the unit with chloride content higher than that...

Page 27: ...www karchercommercial com www karchershark com Form 9 800 082 0 Revised 04 09 Printed in U S A or Mexico...

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