Iveco Daily Euro 4. Manual — part 135

Figure 9

Lift up the notch (

⇒) of the ring nut (1). Using the wrench

99355087 (2) remove the ring nut (1), take out the washer
and extract the wheel hubs (3).

525031

Replacing the wheel hub bearing

Disassembly

44613

44616

Figure 10

Figure 11

Remove bearing protection ring.
Take out the screws (2) and remove the brake disc (1) from
the wheel hub. Check the brake disc as described under the
Brakes heading.

The bearing (1) is removed from the wheel hub with the aid
of an ordinary punch.

Bearing (1) driving load is 2100

÷ 5000 kg.

NOTE

101969

Figure 12

45164

The new bearing should be mounted in the wheel hub with
a press and tool 99370498.

1

2

Figure 13

Mount the brake disc (1) on the wheel hub (2) and tighten
the fixing screws (3) to the required torque.

101970

Assembly

In resting the hubs on the bench, pay attention that
phonic wheel is not being damaged.

NOTE

REAR AXLE NDA RG

49

D

AILY

E

URO

44618

Figure 14

Figure 15

If it is necessary to replace the pins of the wheel hub (1),
before mounting the new ones, check that the mating surface
of the pin head is free from burrs, dross 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.

Figure 16

44619

Stand the bearing of the wheel hub (2) on a special mounting
that permits rotation. With a magnetic dial gauge (1) check
the off-centring of the brake disc on both sides.

Centering error must not exceed 0.1 mm.

44621

Mount the inserter 99370497 (2) on the sleeve.
Lubricate the sleeve with TUTELA W90/M-DA oil and key
the wheel hub (1).

50

REAR AXLE NDA RG

D

AILY

E

URO

4

Figure 17

Figure 18

Figure 19

44622

Mount new washer (1), ring nut (2) and, using wrench
99355087 (3), tighten ring nut (2) at prescribed torque.
Notch the fixing ring nut (2) on the milling of the axle housing
arm.

108435

Mount brake caliper support on rear axle arm observing
prescribed tightening torques.

Thread braking gaskets.

Apply brake caliper (2) to the support and tighten securing
screws (1) at prescribed torque using a torque wrench.

Where brake caliper plunger must be withdrawn, observe
what indicated in section Brakes.

Apply IVECO 1905685 sealant on the contact surfaces of the
drive shaft (2) with the wheel hub (1).
Mount the drive shaft (2) in the sleeve.
Tighten the screws (3) securing the drive shaft (2) to the hub
(1) to the required torque.
After the assembling operation has been completed, fill the
rear axle case with TUTELA W90/M - DA oil to the
prescribed amount and grade.

44626

On each brake caliper remounting operation,
replace screws (1): these screws cannot be reused
once they have been unscrewed.

NOTE

REAR AXLE NDA RG

51

D

AILY

E

URO