Iveco Daily Euro 4. Manual — part 147
96
REAR AXLE 450517/2
D
AILY
E
URO
4
62881
62880
62882
62883
Figure 6
Figure 7
Figure 8
Figure 9
525010
OVERHAUL OF REAR AXLE
!
The drive shafts, brake disc and calipers, air breather
and differential can all be removed and refitted even
with the unit mounted on the vehicle.
Before positioning the rear axle assembly on the stand for
overhauling, drain oil by loosening rear axle casing plug. Dis-
connect brake fluid pipes (2) from brake callipers (1) and from
rear axle casing and pipes (3) from rear axle casing.
Set the entire rear axle assembly on stand 99322215.
Take out the screws (1) and remove the brake caliper with its
brake linings from the mounting.
525013
Air breather disassembly - assembly
Take out the screws (1) and remove the brake caliper (2) with
its brake linings from the mounting.
525030
Overhaul of wheel hubs
Disassembly
!
The caliper must not be violently knocked or
dropped.
Prevent the rubber caps coming into contact with
sharp metal tools.
Do not dirty or wet the rubber caps with mineral
grease or oil.
Do not dirty the pads with liquids or grease.
Check proper brake calliper and brake lining
conditions as described in ”Brake” section.
The identification data of the rear axle unit are given
on the plate (1) fixed near to the leaf spring attach-
ment support.
NOTE
REAR AXLE 450517/2
97
D
AILY
E
URO
4
62891
62889
62892
62893
62894
Figure 10
Figure 11
Figure 12
Figure 13
Figure 14
Remove the axle shaft (2) from the wheel hub (1).
Remove ring nut (1) safety screw (2).
Loosen bearing retaining ring nut (2, Figure 12) using wrench
99357080 (1).
Remove the safety washer (1).
Rotate the wheel hub (1) to set downward one of the two
screws (2) located between hub reliefs; remove the screws
and drain oil completely from wheel side. Remove the other
screws fastening the axle shaft (3) to the wheel hub (1).
62890
Figure 15
Sling brake disk (1) with rope and hoist, take off wheel hub (2)
complete with brake disk (1), front (3) and rear bearings, seal
ring and spacer.
98
REAR AXLE 450517/2
D
AILY
E
URO
4
62884
32445
62885
62887
62888
Figure 16
Figure 17
Figure 18
Figure 19
Figure 20
Remove front bearing (1) inner ring and spacer (2).
Remove screws (4) and disconnect the brake disc (5) from the
wheel hub (3).
Remove phonic wheel (1), if any, using suitable equipment.
Remove sealing ring (2) and the rear bearing inner ring (4) set
below from the wheel hub (3).
Where the studs of wheel hub (1) must be replaced, before
mounting the new studs, make sure that studs head rest plane
is free from slag, burr and blisters.
The pins should be driven in by applying a load on their head
no greater than 2000 kg.
After driving them home, check that the pins are perfectly in
touch with the hub: maximum orthogonal tolerance 0.2 mm.
Use handle 99370007 (1) and beater 99374093 (2) to fit
taper roller bearing outer rings into the wheel hub.
Use a suitable punch to remove the rear taper roller bearing
outer ring (1). Repeat this operation to remove the front
taper roller bearing outer ring.
Check the brake disc as described in the ”Brake”
section.
NOTE
This operation shall be performed using a press until
positioning the rings at 5 mm from their abutting
end, their fitting shall be then completed by hand.
NOTE
REAR AXLE 450517/2
99
D
AILY
E
URO
4
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