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Craftsman
Impact Wrench

Model # 87518843 Official Craftsman air ratchet

Here are the diagrams and repair parts for Official Craftsman 87518843 air ratchet, 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 42 parts  |
Craftsman Bushing 9120535
#35

Unit parts diagram

Craftsman bushing

Part #9120535

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

Craftsman Plate 9120510
#10

Unit parts diagram

Craftsman plate

Part #9120510

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

Craftsman Yoke 9120536
#36

Unit parts diagram

Craftsman yoke

Part #9120536

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

Craftsman Spring 9120547
#47

Unit parts diagram

Craftsman spring

Part #9120547

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

Craftsman Washer 9120549
#49

Unit parts diagram

Craftsman washer

Part #9120549

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

Craftsman Gear Plate 9120526
#26

Unit parts diagram

Craftsman gear plate

Part #9120526

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

Craftsman Housing 9120503
#3

Unit parts diagram

Craftsman housing

Part #9120503

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

Craftsman Pin 9120537
#37

Unit parts diagram

Craftsman pin

Part #9120537

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

Craftsman Gear Pin 9120523
#23

Unit parts diagram

Craftsman gear pin

Part #9120523

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

Craftsman Idler Gear 9120525
#25

Unit parts diagram

Craftsman idler gear

Part #9120525

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 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 does my pressure washer spray too hard?

Main causes: faulty unloader valve, bad pressure regulator…

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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…

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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 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 won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter…

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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 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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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 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 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…

Read more
Repair difficulty
Time required
 120 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

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

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

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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7 steps for winterizing and storing a pressure washer

7 steps for winterizing and storing a pressure washer

Follow this advice to winterize your pressure washer.…

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