Clutch "chirpping" on MC 54-B By rickm87 (Read 669 times)

[rickm87]

My clutch makes a chirpping sound when I take off from a dead stop. I read a Linhai service manuel and have sanded the clutch shoes with coarse sandpaper, but still makes noise. The same manuel shows how to take the clutch apart, but so far I have not been able to hold it well enough to get large nut loose. Its on a scooter that only has 400 miles on it.
Thanks in advance for your thoughts/comments

[rcq78]

How are you trying to take it apart? If you use a impact wrench w/ a 1 13/16" socket,set the clutch on the floor in front of you,while you sit on some kind of seat,with it between your legs put a foot on each side of it,while pushing down with your feet & then use the impact wrench to get the big nut off,then let up with your feet slowy,because there will be a spring that will com up with it.....When putting it back together sit it in front of you again,lining up the flat spot on the hole with the flat spot on the shaft,then push down with your feet & start the nut with your hand being careful not to cross thread it,then tighten it with the impact.... Now the socket can be costly,I just bought one last week,just about $30 for the socket & then it's 3/4" drive so had to buy a adapter to use it on my 1/2" impact that cost $10...was $41 total at napa with tax....measure the nut to make sure of the sizes ,mine was 1 13/16".....I have the 54b with the linhai vertical engine.....

[richardthescooter3]

After taking the big nut off, I took the sleeve off pulled the pins out and took the pulley assembly apart to grease with a high temp and watered proofed grease at walmart, put the clutch back together and it made it so easy to change belts and the clutch is working great. But I agree withrcq78 impact wrench is the way to go

[rickm87]

That was great advice by both of you. Standing on the pulley and using an electric impact wrench, eliminated the need to hold cluth assembly with a strap wrench. I was able to push down hard on impact wrench and control release of spring.
I removed the 4 pins inside of slotted openings and cleaned all old dried grease. Apply new grease and re/assemble.
I was able to compress spring by pushing clutch assembly down by hand and starting large nut. Then stand on pulley and tighten with impact.

Clutch makes no noise and is smoother on acceration.

[JR]

Great Job!

JR