Midland SIDE DUMP GRAVEL TRAILER Operator's Manual page 65

5.2.5 WHEEL HUBS/BEARINGS (cont'd)
C. Wheel Bearings (cont'd):
Bearing Pre-load:
2.
a. Place a pan under
the hub drain plug.
b. Remove the drain
plug from the hub
and drain the oil.
c. Remove the hub end
plate and lay to the
side.
d. Remove the set
screw from the jam
nut.
e. Remove the jam nut
and perforated lock
washer from the
spindle.
f. Use a torque wrench
to tighten the
adjusting nut 100 ft-
lbs. (136 N.m) while
rotating the wheel
assembly in both
directions.
g. Back the adjusting
nut off to zero
torque.
h. Retorque the
adjusting nut again
to 50 ft-lbs (68 N.m)
of torque while
rotating the wheel
assembly in both
directions.
i. Loosen the nut 1/4
turn.
j. Install the perforated
lock washer. Be
sure the adjusting
nut pin aligns with
the hole in the
lock washer. Turn
washer over and/or
adjusting parts as
required.
k. Install jam nut and
tighten to 250-300
ft-lbs. (340-408
N.m.)
ITEM
DESCRIPTION
1
Capscrew
2
Lockwasher
3
Hub cap
4
Gasket
5
Wheel bearing jam nut
6
Lockwasher
7
Wheel bearing adjusting nut
8
Cone outer wheel bearing
9
Cup - bearing outer
10
Brake drum
11
Cup - bearing inner
12
Cone - bearing inner
13
Seal wheel-bearing
14
Bushing anchor pin
15
Pin anchor
16
Beam axle
17
Camshaft (left)
18
Camshaft (right)
19
Washer
20
Seal
21
Bushing
Snap ring
Fig. 49 SPINDLE COMPONENTS
ITEM DESCRIPTION
22
Capscrew
23
Air chamber
24
Lockwasher
25
Locknut
26
Camshaft bushing assembly
27
Capscrew
28
Washer slack adjuster
29
Locknut - slack adjuster
30
Automatic slack adjuster
31
Washer slack adjuster
32
Snap ring slack adjuster
33
Spring - brake shoe return
34
Brake show and lining assy.
35
Spring - brake shoe retaining
36
Retainer - brake shoe roller
37
Roller - brake shoe
38
Pin - shoe return spring
39
Dust shield
40
Hub
41
53