Gas Pressure Washer

Model # 5-85GHB Official Fimco power washer

Here are the diagrams and repair parts for Official Fimco 5-85GHB power washer, as well as links to manuals and error code tables, if available.

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Browse Parts for
5-85GHB Pressure Washers
End Cover 5005181
#38B

Pump diagram

End cover

Part #5005181

The manufacturer no longer makes this part, and there's no substitute part

Socket Hex Bolt 5117191
#5

Pump diagram

Socket hex bolt

Part #5117191

The manufacturer no longer makes this part, and there's no substitute part

Dipstick 5167035
#32

Pump diagram

Dipstick

Part #5167035

The manufacturer no longer makes this part, and there's no substitute part

Sleeve 5124036
#7

Unloader valve diagram

Sleeve

Part #5124036

The manufacturer no longer makes this part, and there's no substitute part

Body - Adams 5002398
#17

Handgun diagram

Body - adams

Part #5002398

The manufacturer no longer makes this part, and there's no substitute part

Pump 5272583
#10

Main frame diagram

Pump

Part #5272583

The manufacturer no longer makes this part, and there's no substitute part

Extension 5011106
#25

Main frame diagram

Extension

Part #5011106

The manufacturer no longer makes this part, and there's no substitute part

Spring Hypro 5019156
#11

Unloader valve diagram

Spring hypro

Part #5019156

The manufacturer no longer makes this part, and there's no substitute part

Hex Reducer 5272585
#4

Main frame diagram

Hex reducer

Part #5272585

The manufacturer no longer makes this part, and there's no substitute part

Gasket 5072303
#31

Pump diagram

Gasket

Part #5072303

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Main causes: broken recoil spring, damaged recoil starter…

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

Main causes: faulty unloader valve, bad pressure regulator…

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

Repair guides for gas pressure washers

These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.

How to install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…

Repair difficulty
Time required
 120 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

Repair difficulty
Time required
 45 minutes or less
How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your pressure washers

Use the advice and tips in these articles and videos to get the most out of your pressure washer.

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