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McCulloch
Gas Line Trimmer

Model # MAC284S 12-400128-77 Official McCulloch trimmer

Here are the diagrams and repair parts for Official McCulloch MAC284S-12-400128-77 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 123 parts  |
Decal,thrown 211215
#7

Shaft/shield assembly diagram

Decal,thrown

Part #211215

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

Decal 223407
#5

Shaft/shield assembly diagram

Decal

Part #223407

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

Fuel Decal 322250
#28

Powerhead assembly diagram

Fuel decal

Part #322250

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

Ring 111073
#18

Shaft/shield assembly diagram

Ring

Part #111073

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

Wire Asy, Sw 301135
#20

Starter housing assembly diagram

Wire asy, sw

Part #301135

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

Screen 322032
#4

Powerhead assembly diagram

Screen

Part #322032

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

Nut 216682
#26

Shaft/shield assembly diagram

Nut

Part #216682

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

Nut, Hex M 217159
#11

Shaft/shield assembly diagram

Nut, hex m

Part #217159

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

Fuel Cover 300072
#5

Carburetor assembly diagram

Fuel cover

Part #300072

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

Grmt E/t Led 215533-01
#42

Powerhead assembly diagram

Grmt e/t led

Part #215533-01

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…

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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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