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Fimco
Gas Pressure Washer

Model # 80-12 Official Fimco high-pressure power washer

Here are the diagrams and repair parts for Official Fimco 80-12 high-pressure power washer, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 105 parts  |
Body 5002150
#22

Crankshaft diagram

Body

Part #5002150

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

Handgun 5271814
#26

Unit parts diagram

Handgun

Part #5271814

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

Lock Washer 5016026

#NI

All parts diagram

Lock washer

Part #5016026

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

Washer 5016137

#NI

All parts diagram

Washer

Part #5016137

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

Screw 5117140
#21

Handgun diagram

Screw

Part #5117140

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

Hose Clip 5053027
#45

Unit parts diagram

Hose clip

Part #5053027

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

Clip 5053051
#46

Unit parts diagram

Clip

Part #5053051

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

Hook Bolt 5034127
#51

Unit parts diagram

Hook bolt

Part #5034127

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

Pump 5271153
#10

Unit parts diagram

Pump

Part #5271153

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

Screw 5117139
#14

Handgun diagram

Screw

Part #5117139

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.

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Why won't my pressure washer mix in the detergent?

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

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Why is smoke coming from the pressure washer's exhaust?

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

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Why won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter…

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Why does my pressure washer's engine lose power?

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

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Why is the spray from my pressure washer weak?

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

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Why doesn't my pressure washer recoil starter work?

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

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Why does my pressure washer spray too hard?

Main causes: faulty unloader valve, bad pressure regulator…

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Why won't my pressure washer engine start?

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

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Why does water spray out of my pressure washer's pressure relief valve?

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

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Repair guides for gas pressure washers

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

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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…

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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…

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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…

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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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How to enjoy all the online benefits we offer on our Sears PartsDirect website

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Tapping into a new feature in the Search Bar on Sears PartsDirect

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Top questions about Sears and Sears PartsDirect

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