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Craftsman
Gas Leaf Blower

Model # 636798690 Official Craftsman 37.7-cc gas brushwacker

Here are the diagrams and repair parts for Official Craftsman 636798690 37.7-cc gas brushwacker, 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 76 parts  |
Screw 0043104160
#48

Figure 16 diagram

Screw

Part #0043104160

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

Nut Lh 0170089960
#43

Figure 16 diagram

Nut lh

Part #0170089960

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

Air Cleaner Assembly EC04-0335B
#32

Figure 17 diagram

Air cleaner assembly

Part #EC04-0335B

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

Fuel Tank FL40-3101A
#17

Figure 15 diagram

Fuel tank

Part #FL40-3101A

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

Lock Washer 0203089990
#44

Figure 16 diagram

Lock washer

Part #0203089990

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

Gasket EC03-071
#5

Figure 16 diagram

Gasket

Part #EC03-071

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

Muffler Plate Assembly NF04S-0150A
#1

Figure 15 diagram

Muffler plate assembly

Part #NF04S-0150A

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

Top VM16/200
#8

Figure 17 diagram

Top

Part #VM16/200

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

Lawn & Garden Equipment Hose Clamp 0561139982
#47

Figure 15 diagram

Lawn & garden equipment hose clamp

Part #0561139982

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

Woodruff K 0053203100
#49

Figure 16 diagram

Woodruff k

Part #0053203100

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

Symptoms for gas leaf blowers

Choose a symptom to see related leaf blower repairs.

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Why does a leaf blower vibrate excessively?

Main causes: damaged fan blade, engine needs a tune up, dirty carburetor…

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What should I do if my leaf blower engine smokes?

Main causes: mixing too much 2-cycle oil with the gas, dirty air filter, clogged carburetor, engine needs tune up…

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What should I do if my leaf blower leaks gas?

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

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Why does my leaf blower run roughly?

Main causes: stale fuel, dirty air filter, bad spark plug, cracked fuel lines, clogged carburetor…

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Why won't my leaf blower start?

Main causes: bad gas, clogged air filter, cracked fuel lines, clogged fuel filter, dirty carburetor, bad spark plug, wor…

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Repair guides for gas leaf blowers

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

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How to rebuild a leaf blower carburetor

How to rebuild a leaf blower carburetor

If the leaf blower engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow …

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Repair difficulty
Time required
 60 minutes or less
How to replace a leaf blower carburetor

How to replace a leaf blower carburetor

The carburetor could be the problem If the leaf blower engine won't start even though there's fuel in the tank. Follow t…

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

How to replace leaf blower fuel lines

Leaf blower fuel lines deteriorate with time and eventually can split or crack. You can remove and replace them yourself…

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Repair difficulty
Time required
 60 minutes or less

Articles and videos for gas leaf blowers

Use the advice and tips in these articles to get the most out of your leaf blower.

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Top questions about Sears and Sears PartsDirect

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Preparing a leaf blower for long-term storage

Preparing a leaf blower for long-term storage

Follow these easy steps to prepare you leaf blower for long-term storage.…

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Leaf blower common questions

Leaf blower common questions

From what kind of fuel to use to why your leaf blower won't start, here are the questions our experts hear most often ab…

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