DAF LF45, LF55 Series. Manual — part 510
7
LF45/55 series
Removal and installation
STEERING BOX
4-17
-
The sealing rings become stretched out
while they are being fitted. The sealing
rings must be compressed using the
pliers A, special tool
(DAF no. 0485245) for a 8090 steering
box and special tool
(DAF no. 0192508) for a 8095/8098
steering box.
S7 00 871
A
2.
Check the pivot bearing (2) for wear and
damage. Replace if necessary.
3.
Fit the thrust washer (1) and the pivot
bearing (2) in the housing.
S7 00 863
1
2
4.
Replace the O-ring (1) and check the
sealing ring (4) of the cover (2). Replace the
sealing ring (4) and the O-ring (3) of the
cover (2), if necessary.
4
1
2
3
S7 00 873
ᓻ 200322
3
7
STEERING BOX
Removal and installation
LF45/55 series
4-18
5.
Check the pivot bearing (1) for wear and
damage. Replace if necessary.
6.
Put the original shim (2) and the pivot
bearing (1) in the cover (3).
7.
Place the piston in the steering box and
move the pitman arm so that the sector
shaft pulls the piston into the steering box.
8.
Fit the cover with the pivot bearing and shim
to the steering box. Ensure that the
threaded hole of the stop bolt is in front of
the wheel-deflection limiting valve.
9.
Install the cover attachment bolts and
tighten them crosswise to the specified
tightening torque, see “Technical data”.
10. Turn the pitman arm from one stop to the
other to seat the pivot bearings.
11. Check the end play, see “Inspection and
adjustment”.
12. Take the attachment bolts off the cover and
remove the cover.
13. Remove the piston by moving the pitman
arm so that the piston is forced out of the
steering box.
Note:
When the pitman arm is turned, the piston is
forced out through the sector shaft. At a
certain point the piston will lose its support
from the sector shaft. Support the piston in
an appropriate manner.
1
2
3
S7 00 874
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3
7
LF45/55 series
Removal and installation
STEERING BOX
4-19
14. Use the special tool (A), (DAF no. 0485244)
for a 8090 steering box and special tool
(DAF no. 0192506) for a 8095/8098
steering box, to fit a new oil seal (1) in the
steering box.
S7 00 872
1
A
15. Slide the protective sleeve, special tool (B),
(DAF no. 0485242) for a 8090 steering box
and special tool (DAF no. 0192509) for a
8095/8098 steering box, over the splines of
the input shaft and grease the protective
sleeve.
16. Place the piston in the steering box and
move the pitman arm so that the sector
shaft pulls the piston into the steering box.
Remove the protective sleeve.
B
S7 00 892
17. Grease the shim (2) and the pivot bearing
(1) with clean steering oil and fit them in the
cover (3).
18. Fit the cover and tighten the attachment
bolts to the specified torque, see “Technical
data”.
19. Grease the area around the input shaft on
the top of the housing well using clean
grease with a melting point
>130_C.
The grease will protect the oil seal from dirt
and water.
1
2
3
S7 00 874
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3
7
STEERING BOX
Removal and installation
LF45/55 series
4-20
20. Fit the sealing rubber and the dust cover.
Ensure that the marks on the dust cover
and the input shaft are aligned.
S7 00 875
21. Place the steering gear in the central
position. This can be checked using the
marks on the steering box.
22. Install the stop bolts of the wheel-deflection
limiting valves and tighten them to the
specified tightening torque, see “Technical
data”.
23. Fit the steering oil pipes to the steering box.
S7 00 623
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3
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