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Hitachi
Gas Chainsaw

Model # CS40EA Official Hitachi chainsaw

Here are the diagrams and repair parts for Official Hitachi CS40EA chainsaw, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 174 parts  |
Screw,idle A 668-5298

#32

All parts diagram

Screw,idle a

Part #668-5298

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

Machine Screw M4 X 10 (10 Pcs.) (6) 949-216

#10

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Machine screw m4 x 10 (10 pcs.) (6)

Part #949-216

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

Aluminum Tape 669-8523

#89

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Aluminum tape

Part #669-8523

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

Exhaust Plate 669-8460

#57

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Exhaust plate

Part #669-8460

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

Crank Case P 669-6863

#74

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Crank case p

Part #669-6863

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

Brake Link 668-5388

#136

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Brake link

Part #668-5388

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

Lawn & Garden Equipment Clamp Nut 668-5416

#150

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Lawn & garden equipment clamp nut

Part #668-5416

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

Special Washer 668-4600

#45

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Special washer

Part #668-4600

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

Tap Screw 311-945

#141

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Tap screw

Part #311-945

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

Air Cleaner Housing N/P
Air cleaner housing

Part #N/P

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

Symptoms for gas chainsaws

Choose a symptom to see related chainsaw repairs.

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What should I do if my chainsaw leaks gas?

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank...

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Why does my chainsaw run roughly?

Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor...

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Why won't my chainsaw start?

Main causes: stale gasoline, cracked fuel lines, dirty carburetor, damaged spark plug, worn piston rings...

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Repair guides for gas chainsaws

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

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How to rebuild a chainsaw carburetor

How to rebuild a chainsaw carburetor

If your chainsaw isn't running well, a dirty carburetor could be the problem. You can take it apart, clean it and rebuil...

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Repair difficulty
Time required
15 minutes or less
How to replace a chainsaw carburetor

How to replace a chainsaw carburetor

If the engine won't start even though there's fuel in the chainsaw, the carburetor could be the problem. Sometimes, it's...

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Repair difficulty
Time required
15 minutes or less
How to replace chainsaw fuel lines

How to replace chainsaw fuel lines

The fuel line on a chainsaw becomes brittle over time and can crack. Replacing it doesn't require a lot of DYI experienc...

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Repair difficulty
Time required
15 minutes or less

Effective articles & videos to help repair your chainsaws

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

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What are the most common replacement parts for chainsaws?

What are the most common replacement parts for chainsaws?

Learn about the most common replacement parts for chainsaws and how they can help you fix chainsaw problems....

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect....

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