1967 Atlas Clutch

jms

jms

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I have an Atlas that has an 11 plate clutch. 5 drive, 5 double sided friction, 1 single sided friction. Once the clutch is fitted to the main shaft and fastened with the nut, what are the threads on the inside of the clutch center for?
 
The clutch lifter adjuster?
1967 Atlas Clutch
 
Those threads inside the hub are for a puller, but using a puller may not be needed on an old mainshaft and a 57 year old clutch. My AMC clutch (same as yours) slid on and off by hand. Crank down the nut to 60lb ft of torque. It'll take 70, but between 60 and 70 works. The Commando clutch can't take the higher torque against the circlip. The Atlas clutch butts up against the outside step face before the splines on the mainshaft start and can take higher torque. A certain someone will say it can't take that much torque and you'll bend or break the mainshaft, but not true. Get the clutch locking tool. It'll make torquing that nut down much easier.
 
Schwany said:
Those threads inside the hub are for a puller, but using a puller may not be needed on an old mainshaft and a 57 year old clutch. My AMC clutch (same as yours) slid on and off by hand. Crank down the nut to 60lb ft of torque. It'll take 70, but between 60 and 70 works. The Commando clutch can't take the higher torque against the circlip. The Atlas clutch butts up against the outside step face before the splines on the mainshaft start and can take higher torque. A certain someone will say it can't take that much torque and you'll bend or break the mainshaft, but not true. Get the clutch locking tool. It'll make torquing that nut down much easier.
Click to expand...
Thanks Schwany
 
May I suggest a dab of Loctite 243 (blue), medium strength? I don’t have a source for a recommended torque. With the thread locker I just get it tight.
 
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