Gas Line Trimmer

Model # 154740980 Official Craftsman gas line trimmer

Here are the diagrams and repair parts for Official Craftsman 154740980 gas line trimmer, as well as links to manuals and error code tables, if available.

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154740980 Line Trimmers
Line Trimmer Cutting Head 199023000066
#NI06

Body parts diagram

Line trimmer cutting head

Part #199023000066

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Line Trimmer Spark Plug 199999001291
#NI37

Engine parts diagram

Line trimmer spark plug

Part #199999001291

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Line Trimmer Air Filter 202999001663
#NI30

Engine parts diagram

Line trimmer air filter

Part #202999001663

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Line Trimmer Air Filter Cover 202012000415
#NI28

Engine parts diagram

Line trimmer air filter cover

Part #202012000415

Replaced by #202012000479

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Line Trimmer Drive Shaft, Upper 199999001311
#NI20

Body parts diagram

Line trimmer drive shaft, upper

Part #199999001311

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Line Trimmer Air Filter Cover Knob 202999001664
#NI29

Engine parts diagram

Line trimmer air filter cover knob

Part #202999001664

Replaced by #202999001789

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This part replaces 202999001664. Substitute parts can look different from the original.
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Line Trimmer On/off Switch 207180200010
#NI24

Body parts diagram

Line trimmer on/off switch

Part #207180200010

Replaced by #207180200023

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Line Trimmer Gearbox 199999001283
#NI12

Body parts diagram

Line trimmer gearbox

Part #199999001283

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Line Trimmer Air Filter Base And Choke Button 199077000008
#NI27

Engine parts diagram

Line trimmer air filter base and choke button

Part #199077000008

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Control Lvr 202042000194
#NI04

Body parts diagram

Control lvr

Part #202042000194

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Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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

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

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

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.

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…

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 …

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…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your line trimmers

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

Straight shaft vs curved shaft trimmers: What’s the difference?

Straight shaft vs curved shaft trimmers: What’s the difference?

Trying to decide between a straight shaft and curved shaft trimmer? This guide compares both designs to help you underst…

Can you cut grass with a weed whacker?

Can you cut grass with a weed whacker?

Wondering if your weed whacker can pick up the slack for your broken lawn mower? You're not alone. In this guide, we bre…