Models > TB80EC

TB80EC (41ADT80C966) Troy-Bilt Trimmer

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Diagrams for TB80EC

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Engine Assembly

General Assembly

Most Popular Parts for TB80EC

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Trimmer Carburetor

$49.52

A carburetor basically consists of an open pipe through which the air passes into the inlet manifold of the engine. The pipe is in the form of a Venturi: it narrows in section and then widens again, ...

Order now and your part arrives by Mar 19

Trimmer Bump Head Knob

$20.40

This bump knob assembly fits lawn and gardening tools, usually trimmers. This part bumps on the ground to advance the cutting line from the spool. With time and use, this part can wear out easily. It ...

Order now and your part arrives by Mar 19

Throttle Trigger

$11.48

This is a genuine OEM replacement throttle trigger (red). The throttle trigger is responsible for managing the speed of the engine. The throttle cable attaches to the trigger, which connects to the th...

Order now and your part arrives by Mar 19

Spark Plug

$11.13

This is a genuine OEM sourced part which is specially made for use with Craftsman handheld lawn and garden equipment. Its purpose is to deliver electric current from the ignition system to the combust...

Order now and your part arrives by Mar 19

Line Trimmer Spool

$28.89

This spool is for line trimmers. Spool houses the cutting line and fits inside the cutting head to cut grass and weeds. Wear work gloves to protect your hands when installing this part.

Trimmer Gear Box Assembly

★★★★★

(2)

This gearbox is for line trimmers. Gearbox contains the gears that turn the line spool for cutting.

Clutch Asm Small

★★★★★

(1)

$35.80

Genuine OEM replacement kit used on Gas Trimmers and Tillers. This part includes: Clutch Drum, Clutch, Clutch Washer and the Screw which has a left-handed thread. A centrifugal clutch is a part that u...

Order now and your part arrives by Mar 19

Spring-spool

$16.57

Genuine OEM replacement part, this item is sold individually. This spring is used on all of the trimmers listed below. It is installed between the inner reel and the outer spool assembly. Its purpose...

Order now and your part arrives by Mar 19

Carburetor Gasket

$6.25

This is an authentic Craftsman replacement part that has been sourced from the original manufacturer to be used with trimmers and blowers. The gasket is used to seal the connection between the carbure...

Order now and your part arrives by Mar 19

Carburetor O-ring

$6.25

This is a manufacturer approved O-Ring designed for lawn and garden equipment. This is the O-Ring that provides an Air Tight seal between Carburetor and Cylinder Head. If doing maintenance on carburet...

Order now and your part arrives by Mar 19

Air Filter

$6.25

This air filter is an original sourced directly from Craftsman. The filters purpose is to keep dirt, dust and other contaminants from entering the carburetor and engine. You can clean this foam filter...

Order now and your part arrives by Mar 19

REEL:OTR W/RET

$35.51

This is a genuine Craftsman replacement part that is sourced from the original manufacturer to be used with trimmers. The plastic reel is part of the cutting head assembly and is used to store the tri...

Questions and Answers

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Common Problems and Symptoms for TB80EC

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Engine revs but trimmer head will not turn

Engine stops after a few seconds or minutes

Fixed by these parts

How to fix it

Cutting line does not come out

Fixed by these parts

How to fix it

Videos for TB80EC

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Replacing the Upper Drive Shaft Housing Assm

Replacing the Trimmer Exhaust Gasket

Installation Instructions for TB80EC Provided by Fix customers like you

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Customer:: john from SHARPSVILLE, PA
Parts Used:: 753-06253, 753-06190
Difficulty Level:: Really Easy
Total Repair Time:: 15 - 30 mins

string trimmer would not start

emptied fuel from tank. pulled off the 2 fuel lines from the carburetor.opened the air cleaner door. removed the 2 torque screws that hold on the carburetor. removed the carburetor and air cleaner gasket. installed new carburetor and gasket and put back and tightened the 2 torque screws. closed air cleaner door and pushed the fuel lines o ... Read more

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6 of 8 people found this instruction helpful.

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Customer:: Ronald from TOOL, TX
Parts Used:: 753-08164, 753-06571
Difficulty Level:: Really Easy
Total Repair Time:: 30 - 60 mins
Tools:: Screw drivers

The gear ssembley was not turning

I ordered the gear assembley and the boom assembley and I stalled them.

4 of 6 people found this instruction helpful.

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Customer:: Anthony from HEARTLAND, TX
Parts Used:: 753-06253, 753-06191, 753-06085
Difficulty Level:: Very Easy
Total Repair Time:: Less than 15 mins
Tools:: Screw drivers

Broken air cleaner

remove two screws holding old air cleaner housing to carburetor and manifold. The carburetor will come off but don't worry as long as gasket does not tear. line up new housing, put the 2 new screws in and tighten. put new filter in and the new cover on and done

3 of 4 people found this instruction helpful.

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