California Air Tools 3010 Service Manual Page 256

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12-14 BRAKES
Brake Drums
Brake Drum Removal
Remove:
Wheel (see Wheel Removal)
Cotter Pin [A]
Axle Nut [B]
Loosen the axle nut, while applying the brake, and release
the brake.
The brake drums are press-fitted on the axles. Use the
brake drum remover, stud nuts, and rotor puller (special
tools) to remove the drums.
Mount the brake drum remover on the drum studs with
the stud nuts and washers (parts in the remover set).
Special Tools - Rotor Puller, M16/M18/M20/M22 × 1.5: 57001
-1216 [A]
Brake Drum Remover: 57001-1260 [B]
Brake Drum Remover Nuts: 57001-1326 [C]
Washers [D]
Brake Drum Installation
Observe the following procedure to install the brake
drums. Replace the drum with a new one if its maximum
press-fitting force (torque) is less than the service limit.
Drum Press-fitting Force (Torque)
Service Limit: 20 N·m (2.0 kgf·m, 14 ft·lb)
Apply a molybdenum disulfide lubricant (grease or oil
type, either will do) to the splines on the drum.
Mount the brake drum holder [A] securely to the drum
studs with the wheel nuts.
Using the brake drum pusher [B], drive the drum onto the
axle until the pusher stops.
Special Tools - Brake Drum Pusher, M18 × 1.5: 57001-1261
Brake Drum Holder: 57001-1325
Apply a molybdenum disulfide lubricant (grease or oil
type, either will do) to the threads and the s eating face of
theaxlenut.
Drive the drum further using the axle nut and washer in-
stead of the pusher until the drum stops. At this time, use
a torque wrench to turn the axle nut. Note the driving force
(torque) of the nut.
The drum must be press-fitted on the axle. If the max-
imum torque for d riving the nut is less than the service
limit, the drum will not be tight enough and must be re-
placed.
If the maximum torque for driving the nut is more than the
service limit, retighten the nut to the specified torque.
Remove the brake drum holder.
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