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MAINTENANCE AND LUBRICATION
4-25
Figure 4-14: Outboard Mount Hub and Drum
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.
Install inner bearing, cone, and seal into hub. Be
sure to not mix new cups with old cones or new
cones with old cups.
j.
Place the hub over the axle spindle being careful
to align the hub bore with the axle. Do not
damage the seal. Support the hub assembly until
the outer bearing cone and spindle nut are
installed, to avoid damaging the seal.
k.
Install the outer bearing cone and inner spindle
nut, tightening the nut until it is snug against the
outer bearing cone. Remove the hub support
allowing the hub to rest on the bearings.
l.
Install and adjust bearings
Lubrication and Adjustment” on page 4-26.)
m. Install the hub cap with the proper gasket.
Tighten the cap screws of the hub cap to 15 to 20
ft.-lbs. of torque.
n.
Remove the filler plug and fill the hub cavity to
the recommended level with a gear type oil.
o.
Place the drum over the hub and brake shoes
being careful not to damage the threads on the
studs
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 radius on the hub. If
interference exists, the hub will not be able to
function properly.
p.
Hub piloted wheels use a flange nut and the
studs are not marked with “L” or “R”.
q.
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 installed on the
driver side. Stud piloted wheels will use these
studs with ball seat nuts.
WARNING
Failure to use the correct stud on the correct side
may cause loosening of the hub studs during
operation, resulting in loss of a wheel.
Содержание 900C Series
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