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McCulloch
Gas Line Trimmer

Model # TITAN 3900 11-400070-01 Official McCulloch trimmer

Here are the diagrams and repair parts for Official McCulloch TITAN-3900-11-400070-01 trimmer, 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 171 parts  |
Cushion,c'ca 229280
#41

Engine assembly diagram

Cushion,c'ca

Part #229280

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

Clutch Washer 236739
#32

Engine assembly diagram

Clutch washer

Part #236739

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

Gas Cable Plate 227244
#11

Engine assembly diagram

Gas cable plate

Part #227244

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

Hsg, Stringh 229726
#101

Shaft/shield/cutter assembly diagram

Hsg, stringh

Part #229726

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

Flange Spindle 218075
#3

Shaft/shield/cutter assembly diagram

Flange spindle

Part #218075

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

Wire Grommet 227774
#59

Engine assembly diagram

Wire grommet

Part #227774

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

Fuel Tank Assembly 227787
#16

Engine assembly diagram

Fuel tank assembly

Part #227787

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

Safety Lever 229819
#26

Shaft/shield/cutter assembly diagram

Safety lever

Part #229819

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

Screw 224175
#118

Shaft/shield/cutter assembly diagram

Screw

Part #224175

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

Starter Assembly 227780
#63

Engine assembly diagram

Starter assembly

Part #227780

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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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Why does my gas line trimmer run rough?

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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Why won't my gas line trimmer start?

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

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Why does my gas line trimmer leak gas?

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

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Repair guides for gas line trimmers

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

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How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

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

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

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Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas line trimmers

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

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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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Solving 3 common problems with line trimmer cutting lines

Solving 3 common problems with line trimmer cutting lines

Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…

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How to replace a line trimmer fuel line video

How to replace a line trimmer fuel line video

Follow the steps in this video to replace a leaking fuel line in a line trimmer.…

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