Landoll 600C Series, Operator'S Manual

Page: 70 / 88

4-9.5 Replace the hub and drum as follows
(See Figure 4-17):
a. Remove the brake drum (See Figure 4-17) .
It may be necessary to release the slack ad-
juster.
b. Remove hub cap and catch lubricant in a
pan.
c. Remove outer spindle nut, spindle locking
washer, inner spindle nut, and bearing. Re-
move hub from axle.
d. Using an appropriate driver, remove inner
bearing cone, and seal.
e. Using an appropriate driver, remove bearing
cups from hub.
f. Check that the hub cavity is clean. If the hub
is to be reused, clean it thoroughly.
g. Insert bearing cups into the hub.
h. Clean the mounting surfaces with a good
grade commercial cleaner and soft rag. Dry
all component parts with a clean, absorbent
cloth or paper. Lubricant will not adhere to
surfaces wet with solvent.
i. Place the drum over the hub and brake
shoes being careful not to damage the
threads on the studs
(See Figure 4-17) .
Make sure the drum seats flat against the hub
flange and mates properly with the hub pilot.
There should be no interference between the
brake drum pilot chamfer and the corner ra-
dius on the hub. If interference exists, the hub
will not be able to function properly.
j. Install inner bearing, cone, and seal.
IMPORTANT
DO NOT MIX NEW CUPS WITH OLD CONES
OR NEW CONES WITH OLD CUPS.
k. If studs are marked “R” or “L”, right hand (R)
hubs should be installed on the curbside of
the vehicle, left hand (L) hubs should be in-
stalled on the driver side.
WARNING
FAILURE TO USE THE CORRECT STUD
ON THE CORRECT SIDE MAY CAUSE
LOOSENING OF THE HUB STUDS DUR-
ING OPERATION, RESULTING IN LOSS
OF A WHEEL.
4-28
Figure 4-17 Outboard Mount Hub and Drum