DAF CF65, CF75, CF85 Series . Manual — part 988
©
200423
3-9
Removal and installation
FRONT AXLE/LEADING REAR AXLE
ΧΦ65/75/85 series
7
6
3.5 REMOVAL AND INSTALLATION, WHEEL HUB UNIT
Removing the wheel hub unit
1.
Jack up the axle until the wheels are clear
from the floor. Place suitable supports under
the axle.
2.
Remove the wheel.
3.
Remove the brake calliper.
4.
Remove the hub cap (2).
5.
Remove the hub nut (4) using the special tool
set (DAF no. 1329496).
Fit the socket wrench (A) to the hub nut. Fit
the socket wrench guide (B) to the wheel hub
unit using four wheel studs. Loosen the nut
using a torque amplifier.
6.
Remove the thrust washer (5).
6
5
2
1
4
3
S7 00 581
A
B
S7 00 641
FRONT AXLE/LEADING REAR AXLE
3-10
©
200423
Removal and installation
6
ΧΦ65/75/85 series
7
7.
Install the guide sleeve (A), which is part of
the special tool set (DAF no. 1329496), on
the axle journal.
8.
Remove the wheel hub unit (6) using a lifting
device. Take care that the wheel hub unit
does not rest on the guide bush (A) as the
latter is not strong enough to take the weight
of the wheel hub unit.
Installation of wheel hub unit
1.
Check the wheel hub speed sensor ring, see
'Technical data'.
2.
Check the axle journal thread carefully for
damage.
You must never fit a wheel hub unit
on an axle journal with a damaged
thread.
3.
Apply a thin and even layer of the prescribed
anti-corrosion agent to the entire
circumference of the axle journal, see
'Technical data'.
Note:
Do not apply too much anti-corrosion agent
to the axle journal. While fitting the wheel hub
unit, the excess anti-corrosion agent will
collect at the backside of the wheel hub.
When the vehicle is used in daily operation,
this can leak out so that the seal wrongly
appears to be leaking.
4.
Install the guide sleeve (A), which is part of
the special tool set (DAF no. 1329496), on
the axle journal.
S7 00 580
A
S7 00 547
}
A
S7 00 561
©
200423
3-11
Removal and installation
FRONT AXLE/LEADING REAR AXLE
ΧΦ65/75/85 series
7
6
5.
Check that the spring clip, located between
the inner bearing races, is positioned
correctly.
6.
Position the wheel hub unit (6) precisely in
front of the axle journal using a lifting device.
Slide the wheel hub unit (6) onto the axle
journal without twisting it. Take care that the
wheel hub unit does not rest on the guide
bush as the latter is not strong enough to
take the weight of the wheel hub unit.
7.
Fit the thrust washer (5).
8.
Replace the hub nut (4). Apply a few drops of
oil to the abutting surface of the hub nut. Fit
the hub nut.
9.
Fit the hub nut (4) using the special tool set
(DAF no. 1329496).
Fit the socket wrench (A) to the hub nut. Fit
the socket wrench guide (B) to the wheel hub
unit using four nuts. Tighten the hub nut (4)
in the specified manner using a torque
amplifier, see 'Technical data'.
10. Fit a new O-ring (3) to the hub cap (2).
11. Fit the brake calliper.
12. Fit the wheel.
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S7 00 747
6
5
2
1
4
3
S7 00 581
A
B
S7 00 641
FRONT AXLE/LEADING REAR AXLE
3-12
©
200423
Removal and installation
6
ΧΦ65/75/85 series
7
13. Press the wheel speed sensor (2) against
the sensor ring (1) by hand. While the vehicle
is being driven, the air gap between the
sensor and the sensor ring is adjusted.
If the sensor has no freedom of movement,
remove, clean and refit it.
Never tap the sensor with a hammer.
This may damage both the sensor
and the sensor ring.
14. Check the operation of the EBS or ABS
system.
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S7 00 543
2
1
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