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Lowrance
Gas Line Trimmer

Model # PRO-MAC II SUPER 12-400132-42 Official Lowrance trimmer/brushcutter

Here are the diagrams and repair parts for Official Lowrance PRO-MAC-II-SUPER-12-400132-42 trimmer/brushcutter, 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 180 parts  |
Harness 224083
#7

Stringhead assembly diagram

Harness

Part #224083

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

Kit,choke Le 322358

#NI

All parts diagram

Kit,choke le

Part #322358

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

Carburetor Repair Kit 300454

#NI

All parts diagram

Carburetor repair kit

Part #300454

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

Pkg,bld 8tx8 216513-03
#35

Stringhead assembly diagram

Pkg,bld 8tx8

Part #216513-03

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

Start Gauge Housing 300618
#19A

Starter/clutch housing assembly diagram

Start gauge housing

Part #300618

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

Tank,fuel/ca 300871
#22

Powerhead assembly diagram

Tank,fuel/ca

Part #300871

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

Cover 224236
#10

Powerhead assembly diagram

Cover

Part #224236

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

Fuel Tank Assembly 302349
#22

Powerhead assembly diagram

Fuel tank assembly

Part #302349

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

Tachometer 91424
#5

Torque specifications diagram

Tachometer

Part #91424

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

Screw 111072
#3

Powerhead assembly diagram

Screw

Part #111072

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 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 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 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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Top 10 electric lawn and garden tools for 2023

Learn about the top 10 must-have electric lawn & garden tools for 2023…

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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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Grass line trimmer maintenance checklist

Grass line trimmer maintenance checklist

Find out how to take care of your grass line trimmer from the start of the trimming season until the end, with this help…

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