DAF CF65, CF75, CF85 Series . Manual - part 1050

©

 200424

2-3

Inspection and adjustment

TANDEM REAR AXLE 1355T

ΧΦ65/75/85 series

8

7

2.3 CHECKING THE DIFFERENTIAL OIL LEVEL

To prevent skin injury, avoid 

unnecessary contact with the 

drained oil.

Checking the oil level, first axle
1.

Position the vehicle on a level surface.

2.

Remove the level check/filler plug (A). The 

oil level should have reached the level 

check/filler opening.

3.

Fit the plug using the special Torx wrench 

(DAF no. 1329493) and tighten to the 

specified torque; see "Technical data".

Checking the oil level, second axle
1.

Position the vehicle on a level surface.

2.

Remove the level check/filler plug (A). The 

oil level should have reached the level 

check/filler opening.

3.

Fit the plug using the special Torx wrench 

(DAF no. 1329493) and tighten to the 

specified torque; see "Technical data".

}

B

B

A

M8049

B

A

M8050

TANDEM REAR AXLE 1355T

2-4

©

 200424

Inspection and adjustment

7

ΧΦ65/75/85 series

8

2.4 CHECKING THE OPERATION OF THE DIFFERENTIAL LOCK

1.

Jack up the rear axle and support the axle on 

stands.

2.

Bring the air system to operating pressure.

3.

Engage the differential lock. The warning 

lamp should now come on.

4.

Check that there is a "rigid" connection 

between the driven wheels.

5.

Disengage the differential lock. The warning 

lamp should not light up and the "rigid" 

connection between the driven wheels 

should be broken.

©

 200424

2-5

Inspection and adjustment

TANDEM REAR AXLE 1355T

ΧΦ65/75/85 series

8

7

2.5 CHECKING THE HUB AND WHEEL BEARINGS

1.

Inspect the bearings for damage at the 

following points:

-

the roller bearing race,

-

the bearing cage,

-

the raceways of the inner and outer 

race.

If damage is found, the entire bearing (inner 

race/bearing cage and outer race) should be 

replaced.

2.

If the outer race of the bearing is loose in the 

hub or has turned in the hub, the hub should 

be replaced.

3.

Check the axle journal screw thread, the 

bearing surfaces of the inner bearing races 

and the running surface of the seal for 

damage.

4.

Check the wheel speed sensor ring for 

damage. Replace the ring at even the 

slightest trace of damage.

TANDEM REAR AXLE 1355T

2-6

©

 200424

Inspection and adjustment

7

ΧΦ65/75/85 series

8

2.6 CHECKING THE WHEEL SPEED SENSOR RING

1.

Remove the wheel hub. See "Removal and 

installation".

2.

Check the sensor ring (1) for deposits. 

Special attention should be paid to deposits 

between the teeth of the sensor ring.

Clean the sensor ring if necessary.

3.

Check the sensor ring (1) for damage. Even 

the slightest damage can cause a failure. If 

necessary replace the sensor ring.

4.

If possible, the sensor ring (1) should be 

checked for the maximum admissible axial 

end play. See "Technical data".

5.

Check the sensor (2) for freedom of 

movement.

If necessary, clean the sensor and apply new 

grease.

2

1

A8 00 347