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Join Date: Jan 2011
Location: Smack in the middle of Illinois
Thanked 291 Times in 286 Posts
Preparation is key to a seamless assembly - with the axle out, I remove any rust from the area where the bearings seat and the splines where the rotor hub seats on the axle - I polish the shoulder on the sprocket and rotor hubs that the seal rides on - put a light coat of grease on the axle bearing bosses and on the hub seal shoulders - with the chain removed from the sprocket, slide the axle into the bearings until the hub shoulder enters the seal and butts up against the bearing - after having cleaned the splines on the rotor hub of all old grease and any oxidation, smear a dab of grease into the splines around the inside of the rotor hub on the seal shoulder side of the hub and lightly grease the seal shoulder - before installing the rotor, put the brake caliper mount in place and install the snap ring - slide the rotor hub onto the axle and while holding the sprocket hub into the bearing carrier, slide the rotor hub down the splines until the seal shoulder is inside the seal and butted against the bearing - slide the threaded collar with push nut and lock nut in place - slide the retaining ring onto the axle until it seats in the groove - turn the push nut to force the threaded collar against the rotor hub and draw the axle into the bearings - tighten the push nut sufficiently, then run the lock nut against the push nut and tighten securely - install the chain and adjust - install the pinch bolts, install the caliper and the job is done.