DAF LF45, LF55 Series. Manual — part 579
8
LF45/55 series
Removal and installation
SINGLE REAR AXLE 5.12
4-1
4. REMOVAL AND INSTALLATION
4.1 REMOVAL AND INSTALLATION, STUB AXLES
Removing stub axles
1.
Jack up the rear axle and support it on
stands.
2.
Remove the stub axle attachment nuts.
3.
Remove the stub axle using a copper
punch. When the stub axle comes loose, a
small amount of oil may leak out. Collect
this oil.
Installing stub axles
1.
Clean the mating surfaces of the stub axle
flange and wheel hub.
2.
Apply the specified sealant to the mating
surface of the stub axle flange. See main
group “Technical data”.
3.
Fit the stub axle. Tighten the stub axle
attachment nuts to the specified tightening
torque. See main group “Technical data”.
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SINGLE REAR AXLE 5.12
Removal and installation
LF45/55 series
4-2
4.2 REMOVAL AND INSTALLATION, WHEEL HUB
Removing wheel hub
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A8 00 394
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4
1.
Jack up the rear axle and support it on
stands.
2.
Remove the wheels.
3.
Remove the brake caliper.
4.
Remove the stub axle (1).
5.
Remove the lock nut (2).
6.
Remove the locking plate (3).
7.
Remove the hub nut (4).
8.
Remove the thrust washer (5).
9.
Remove the wheel bearing inner race (6).
10. Remove the wheel hub from the axle
journal.
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8
LF45/55 series
Removal and installation
SINGLE REAR AXLE 5.12
4-3
Installing wheel hub
1.
Check the wheel-speed sensor ring and the
oil seal in the wheel hub for damage.
Replace the oil seal if in doubt.
2.
Check the axle journal screw thread
carefully for damage.
3.
Install the wheel hub on the axle journal.
Slide the wheel hub onto the axle journal.
Fit the wheel bearing inner race (6).
4.
Fit the thrust washer (5).
5.
Fit the hub nut (4).
6.
Adjust the wheel bearing play, see chapter
“Inspection and adjustment”.
7.
Fit the locking plate (3).
8.
Fit the lock nut (2). Tighten the lock nut (2)
to the specified tightening torque. See main
group “Technical data”.
9.
Secure the lock nut (2) with the locking
plate (3).
10. Press the wheel-speed sensor (1) against
the sensor ring (2). When the vehicle is
being driven, the air gap between the
sensor and the sensor ring is adjusted
automatically.
If the sensor is stuck, remove, clean and
refit it.
Never tap the sensor with a
hammer. This may damage both the
sensor and the sensor ring.
11. Fit the stub axle.
12. Fit the brake caliper.
13. Put the wheels back on.
14. Check the ABS system for proper operation.
A8 00 391
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SINGLE REAR AXLE 5.12
Removal and installation
LF45/55 series
4-4
4.3 REMOVAL AND INSTALLATION, HUB OIL SEAL
Removing hub oil seal
1.
Remove the wheel hub from the axle
journal.
2.
Drill two holes into the oil seal and screw
the special tool (B) (DAF No. 0484899) into
the oil seal. Pull the oil seal from the pinion
housing using the special tool (A)
(DAF No. 0694928).
Installing hub oil seal
1.
Use the special tool (DAF No. 0499809) to
fit the oil seal such that the marking
“outside” is pointing outward.
2.
Install the wheel hub.
A8 00 392
A
B
4.4 REMOVAL AND INSTALLATION, WHEEL BEARING
Removing wheel bearing
1.
Remove the wheel hub.
2.
Remove the oil seal from the wheel hub.
3.
There are recesses in the wheel hub for
removing the wheel bearing outer race.
4.
Remove the wheel bearing outer races from
the wheel hub using a driver.
Installing wheel bearing
1.
Fit the wheel bearing outer races in the
wheel hub using a driver.
2.
Fit the hub oil seal.
3.
Install the wheel hub.
A8 00 393
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