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Troy-Bilt TB80EC (41ADT80C966) Trimmer Parts
How to Replace the Muffler on a Troy-Bilt Pony Lawn Tractor
In this article we'll walk you through the process of replacing the muffler in a Troy-Bilt Pony Lawn Tractor.
How to Replace the Lower Handle on a Troy-Bilt Super Bronco Tiller
This article will guide you through the process of replacing a lower handle assembly in a Troy-Bilt Super Bronco Tiller...
How to Replace the Starter Assembly on a Troy-Bilt Super Bronco Tiller
This article walks you through the steps of replacing a broken or damaged started assembly in a Troy-Bilt Super Bronco tiller.
How to Test a Small Engine for Spark
If your small engine isn't starting, you'll need to diagnose many issues including the spark plug. This video walks you through the steps of how to test for a spark using a spark tester.
Discussion for the Troy-Bilt TB80EC (41ADT80C966) Trimmer
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Question: Lower Shaft Replacement
the spring loaded button that positions the lower shaft with the upper shaft broke. having to order part because I can't use a screw to keep shaft from rotating in use because the drive shaft runs through. the top is easy but was concered that the lower part would be tricky to put into the housing that curves downward. are there any springs or items I should be aware of before taking off the old lower shaft? the unit is only a year old and has been used maybe less than 20 times.
Reply: Lower Shaft Replacement
The replacement of the 753-08164 Lower Boom Assembly, should not be difficult. You will just need to remove the 753-06571 Gear Box Assembly and the 753-06123 Shield Assembly. There are no springs or hidden parts that you should be concerned with. Just make sure you line up the drive shaft into the coupling and Gear Box, and you should be good to go.
Question: Clutch's Spring.
I have replaced clutch essy twice but spring keeps break and falled out. what am I missing or doing wrong. Thanks.
Reply: Clutch's Spring.
Can you tell us what machine this is and what the model number is so we can help?
Question: The Use Of Regular Gas Instead O...
What happens when one used regular gas instead of mix
Reply: The Use Of Regular Gas Instead O...
Instead of explaining on what happens when oil is not mixed with gas for a 2 cycle engine. We have a short article and video on How to Mix 2-Cycle Engine Oil. Watch the video to see what happens.
Hope this helps,
Question: Gearbox Assembly
Can I order a straight gear box instead of the angled gear box? The one I ordered did not last but one season
Reply: Gearbox Assembly
I don't think another gearbox assembly would work on a different model trimmer other than the one it has in the parts diagram. It may not connect correctly with the model you have.
Question: Upper Drive Shaft And Housing As...
can you get just the upper drive shaft without the housing assembly
Reply: Upper Drive Shaft And Housing As...
On this model the only way you can get the upper drive shaft is by ordering the part number 753-04344 upper drive shaft and housing assembly.
Question: Connections Inside Fuel Tank
I have two connections (hoses) inside the fuel tank, one has the fuel filter and the other seems to serve no purpose at all, and yet it has a small tube connector on the end (inside the fuel tank) am I missing something?
Reply: Connections Inside Fuel Tank
The line with the filter is the feed line to the carburetor. The other line is the priming return line. No idea why the fitting would be inside the tank. Those little fittings are commonly used on the exterior of the tank. Most manufactures don't use the fittings anymore. They used to attach the two fuel lines to the tank with a short lead on each tube. Then a longer piece of line was attached to one or both lines as needed to reach the carb. Most tank assemblies now just have longer pieces of line installed so the joining piece is not needed.
Hope this helps,
Question: Gear Box Assembly
this may be a really dumb comment- I am assuming that the gears and ball bearing are inside the part as shown and are included in the assembly price. Is this correct?
Reply: Gear Box Assembly
Your assumption is correct. All the gears and bearings are included in the 753-06571 gear box assembly.
Question: Discussion For Gear Box Assembly...
Is this part the same as 753-06571 that is used on a Craftsman weed trimmer? The part looks the same but that doesn't mean much.
Reply: Discussion For Gear Box Assembly...
You can consider yourself safe in ordering part number 753-06571 for your Craftsman trimmer. It's probably made for Sears by the company that manufactured that one.