Operation and maintenance manual

6
SM 2147 Rev 1 10-03
Rear Axle Group - Axle Group (Hub)
Section 160-0030
Note: To aid in assembly, moisten bore and 'O' ring
with a weak spirit/water mixture.
Installation of Oil Seal Housing
1. Offer oil seal housing (33) up to axle stub (29) and
slide into position until it abuts the back face of the
stub (29).
2. Fit new 'O' ring (32) into recess in oil seal housing
(33).
3. Slide bearing spacer (31) into position and secure
with capscrews (36). Tighten capscrews (36) to 13 - 15
lbf ft (18 - 20 Nm).
4. Fit hub/stub face seal (28) into oil seal housing (33).
Ensure that oil seal mounting diameter in housing (33)
is free from dirt and that edges in seal mating bore are
radiused.
5. Assemble two parts of hub/stub face seal (28), i.e.
'O' ring and metal ring, then fit service tool 15500013 in
place on seal assembly (28), clamping on metal ring.
6. Fit seal (28) into its bore in hub (38) using even
pressure on service tool 15500013, thus ensuring that
seal is fitted parallel in bore.
grease to aid in reassembly.
2. Using suitable lifting equipment, offer brake
assembly (40) up to axle stub and housing (29 & 41)
and seat on register.
3. Insert a brake retaining capscrew (35) through the
brake retaining ring (34) and then offer ring (34) and
capscrew (35) up to and through the brake assembly
(40) and into the axle stub and housing (29 & 41).
4. Insert remainder of capscrews (35) and tighten all to
750 - 830 lbf ft (1017 - 1135 Nm) using a diagonal
pattern.
5. Install remaining oil seal (37) in brake assembly (40).
Ensure that oil seal mounting diameter in brake
assembly (40) is free from dirt and that all edges in
seal mating bore are radiused.
6. Assemble two parts of oil seal (37), i.e. 'O' ring and
metal ring, then fit service tool 15500012 in place on
seal (37) assembly, clamping on metal ring.
7. Fit seal (37) into its bore in brake assembly (40)
using even pressure on service tool 15500012, thus
ensuring that seal is fitted parallel in bore.
28 - Hub/Stub Face Seal
31 - Oil Seal Spacer
32 - 'O' Ring
33 - Oil Seal Housing
36 - Capscrew
SM - 2724
Fig. 3 - Oil Seal Housing Installation