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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  |
Screw 5117139
#14

Handgun diagram

Screw

Part #5117139

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

Washer 5016027

#NI

All parts diagram

Washer

Part #5016027

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

Nut 5006041

#NI

All parts diagram

Nut

Part #5006041

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

Handle 5078107
#2

Unit parts diagram

Handle

Part #5078107

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

Bolt 5034052
#16

Crankshaft diagram

Bolt

Part #5034052

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

Washer 5116014
#16

Unit parts diagram

Washer

Part #5116014

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

Key 5089001
#13

Unit parts diagram

Key

Part #5089001

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 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 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 won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter…

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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 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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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 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 doesn't my pressure washer recoil starter work?

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

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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 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
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 replace a pressure washer pump

How to replace a pressure washer pump

The pump can be damaged by air in the inlet water supply or by chemicals that remain in the pump body after using the ch…

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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

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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Top questions about Sears and Sears PartsDirect

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