DAF CF65, CF75, CF85 Series . Manual — part 1051

©

200424

3-1

Removal and installation

TANDEM REAR AXLE 1355T

ΧΦ65/75/85 series

8

7

3. REMOVAL AND INSTALLATION

3.1 REMOVAL AND INSTALLATION, ENTIRE REAR AXLE

Removing the entire rear axle
1.

Block the front wheels using chocks.

2.

Slacken the central bolt of the spring-brake

cylinder as much as possible.

3.

Apply the parking brake.

4.

Remove the air pipes and wiring.

5.

Remove the prop shaft from the drive flange.

6.

Loosen the shock absorbers on the bottom.

7.

Loosen the control rod of the ALR valve.

8.

Support the vehicle securely with stands

under the chassis side members.

9.

Remove the axle suspension/guide.

Take precautionary measures to make sure

that the axle does not tilt during removal of

the axle suspension/guide.

10. If possible, the entire rear axle with wheels

should be rolled from under the vehicle.

Installing the entire rear axle
1.

Install the entire rear axle with wheels under

the vehicle.

2.

Fit the axle suspension/guide.

Make sure that the torque-rod supports are

fitted so that arrow A on the support points in

the driving direction.

3.

Fit the control rod of the ALR valve.

Note:

Check the setting of the ALR valve following

installation of the rear axle.

4.

Fit the shock absorbers (if applicable).

5.

Fit the prop shaft to the drive flange.

6.

Connect the electrical wiring and fit the air

pipes.

7.

Tighten the central bolt of the spring-brake

cylinder.

A

A800045

TANDEM REAR AXLE 1355T

3-2

©

200424

Removal and installation

7

ΧΦ65/75/85 series

8

3.2 REMOVAL AND INSTALLATION, AXLE SHAFTS

Removing axle shafts
1.

Jack up the rear axle and support the axle on

stands.

2.

Activate the differential lock and install the

special tool (DAF no. 0694836) at the

position of the switch.

3.

Drain the hub oil. See "Draining and filling".

4.

Remove the attachment bolts from the hub

cap and remove the hub cap.

5.

Pull the axle shaft from the wheel hub.

A800046

A800289

©

200424

3-3

Removal and installation

TANDEM REAR AXLE 1355T

ΧΦ65/75/85 series

8

7

Installing axle shafts
1.

Fit the axle shaft into the wheel hub.

2.

Turn the planet-gear shafts so that the flat

sides point outward.

3.

Check the O-ring in the hub cap. If

necessary, replace the O-ring and apply

silicone grease.

4.

Check the O-ring in the hub cap. If

necessary, replace the O-ring. Apply silicone

grease to the O-ring.

5.

Install the spring assembly. Tighten the

attachment bolts to the specified torque. See

"Technical data".

6.

Fill the hub with oil. See "Draining and filling".

7.

Remove the special tool from the differential

lock and fit the switch again.

A800040

A800046

TANDEM REAR AXLE 1355T

3-4

©

200424

Removal and installation

7

ΧΦ65/75/85 series

8

3.3 REMOVAL AND INSTALLATION, WHEEL HUB

Removing the wheel hub
1.

Jack up the rear axle and support the axle on

stands.

2.

Remove the wheels.

3.

Release the brakes and remove the brake

drum.

4.

Mark the hub at the semicircular hole in the

cover.

5.

Drain the oil. See "Draining and filling".

6.

Remove the hub cap.

7.

Remove the axle shaft.

8.

Remove the attachment nuts and tapered

spring washers.

Remove the planet-gear set from the hub

using three jacking screws.

Note:

Make sure that the planet-gear set is put

down with the circlips facing upward. This

will prevent the pins from falling out.

9.

Remove the thrust washer from the axle

journal.

10. Remove the attachment bolts from the

locking plate and remove the locking plate.

A800290

A800107