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Primary Drive Gear and Loctite

Joined May 2002
2K Posts | 141+
Snowy Mountains NSW Australia
Hi Gang,

I've had a good look and can't find the answer, DOC or elsewhere, so can someone help? I note that Dale suggests green loctite for securing the primary drive gear onto the crank end of later model Bergs.

My question is, is this just the nut, of are we also loctiting the gear to the end of the shaft?

Loctite 242 Nut and Bolt Locker (part #3370) is blue in color and is a medium strength locking compound. This allows fasteners to be disassembled with hand tools yet prevents loosening under normal circumstances`........
Loctite 271 Stud Lock (part #3371) is red in color and is a very high strength compound that `is great for problem fasteners that don`t seem to want to stay tight`. `Removal may be difficult and may require heating the fastener`.......
Loctite 290 Penetrating Thread Locker (part #3372) is green in color and is a very high strength, low viscosity, compound. It `can be used to lock previously assembled fasteners such as when locking down an adjustment` (their exact words).......
Loctite 609 Retaining Compound (part #3373) was developed especially for bonding cylindrical parts such as mounting bearings or bushings into housings as well as mounting pulleys onto shafts, to improve strength of press fit bearings etc.......
Locquic Cleaner and Primer (part #3376)is used to clean the surfaces and to speed the cure. Especially important on certain inactive surfaces such as stainless steel......

Thanks
Steve
 
Steve,
Many years ago I had issues with my Hemis (Aussie ones :wink: ) as the timing chain gear on the crank would work loose and chew out the key and slot in the gear.

I resorted to using the green Loctite 680 Fast Cure/High Strength Retaining Compoind to stop it from doing so until I fitted a steel balancer with a retaining bolt that clamped the gear up tight on the crank.

When I put my 650 back together I'll be using the 680 on the primary gear/crank fit, and 262 for the primary gear nut.

The 680 (if still available) was recommended for permanent assy. of gears, sleeves,rotors & sprockets.
 
Thanks AusBerg,

We'll see how it goes. My new 650 comes apart next week to have the leaking crankcase join fixed under warranty. I'm also taking advantage of the opportunity to install OrangeBerg's water pump drive oil leak fix as it also weeps a little oil. Wasn't going to worry about it, but as its apart and its cheap enough, why not? And thought I might as well do/get done the primary drive as well.

Cheers
Steve
 

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