Model # 12-65B Official Fimco skid mounted sprayer

Here are the diagrams and repair parts for Official Fimco 12-65B skid mounted sprayer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 114 parts |

#23

Engine and tank diagram

Hose clamp

Part #5051010

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

Hex Head Bolt, 5/16-18 X 3/4-in, 5-pack STD523107

#104

Pump diagram

Hex head bolt, 5/16-18 x 3/4-in, 5-pack

Part #STD523107

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

#76

Pump diagram

Lock washer, 5/16-in, 8-pack

Part #STD551131

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

Pump

Part #5270766

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

#74

Regulator valve/tank fitting parts/strainer/spray gun diagram

Strain bowl

Part #5058035

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

#92

Pump diagram

O-ring

Part #5110020

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

#57

Regulator valve/tank fitting parts/strainer/spray gun diagram

Washer

Part #5016036

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

#34

Regulator valve/tank fitting parts/strainer/spray gun diagram

Part #5101021

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

Engine and tank diagram

Engine

Part #5152028

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

#48A

Regulator valve/tank fitting parts/strainer/spray gun diagram

Fitting

Part #5271586

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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What routine maintenance does my pressure washer need?

Things to do: tune up the engine, inject pump saver into the water pump when storing the pressure washer for the winter…

Why won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter…

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…

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…

Why doesn't my pressure washer recoil starter work?

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

Why does my pressure washer's engine lose power?

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

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…

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…

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…

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

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

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 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…

Repair difficulty

Time required

15 minutes or less

Articles and videos for gas 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

Model # 12-65B Official Fimco skid mounted sprayer

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Symptoms for gas pressure washers

What routine maintenance does my pressure washer need?

Why won't the pressure washer starter rope retract?

Why is the spray from my pressure washer weak?

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

Why doesn't my pressure washer recoil starter work?

Why does my pressure washer's engine lose power?

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

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

Why won't my pressure washer engine start?

Repair guides for gas pressure washers

How to install a pressure washer chemical injection kit

How to install a pressure washer O-ring kit

How to replace a pressure washer pump

Articles and videos for gas pressure washers

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

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

7 steps for winterizing and storing a pressure washer

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