DAF LF45, LF55 Series. Manual — part 512
7
LF45/55 series
Inspection and adjustment
STEERING PUMP
1-1
1. INSPECTION AND ADJUSTMENT
1.1 CHECKING FLOW-CONTROL VALVE, VERSION WITHOUT STEERED
TRAILING SWIVEL AXLE
1.
Clean the steering pump and the
surrounding area.
2.
Take the steering pump out of the engine.
3.
Take the reservoir off the steering pump.
4.
Take the bracket (2) off the steering pump.
Put the cover on the pump. Refit the
attachment bolts (1).
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1
2
5.
Remove the plug (1).
6.
Take the flow-control valve (4) with the
spring (3) out of the steering pump.
Mark the position of the valve in the valve
bore.
7.
Check both the valve and the valve bore for
dirt. Clean these parts if necessary.
8.
Apply plenty of clean steering oil to the
valve and fit the valve in the correct position
in the bore.
9.
Check the valve for smooth operation. The
valve should not jam.
10. Fit the valve (4) in the pump.
11. Fit the spring (3).
12. Fit the plug (1), with a new sealing ring (2),
to the pump. Tighten the plug to the
specified tightening torque, see “Technical
data”.
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3
4
S7 00 613
ᓻ 200322
4
7
STEERING PUMP
Inspection and adjustment
LF45/55 series
1-2
13. Attach the bracket (2) to the pump. Tighten
the attachment bolts (1) evenly to the
specified torque, see “Technical data”.
14. Fit the reservoir to the pump.
15. Fit the pump to the engine.
16. Fill and bleed the steering gear hydraulic
system.
17. Take a test drive and check the plug and
pump cover for leaks.
S7 00 609
1
2
ᓻ 200322
4
7
LF45/55 series
Inspection and adjustment
STEERING PUMP
1-3
1.2 CHECKING FLOW-CONTROL VALVE, VERSION WITH STEERED TRAILING
SWIVEL AXLE
1.
Clean the steering pump and the
surrounding area.
2.
Remove the plug (1).
3.
Take the flow-control valve (4) with the
spring (3) out of the steering pump.
Mark the position of the valve in the valve
bore.
4.
Check both the valve and the valve bore for
dirt. Clean these parts if necessary.
5.
Apply plenty of clean steering oil to the
valve and fit the valve in the correct position
in the bore.
6.
Check the valve for smooth operation. The
valve should not jam.
7.
Fit the valve (4) in the pump.
8.
Fit the spring (3).
9.
Fit the plug (1), with a new sealing ring (2),
to the pump. Tighten the plug to the
specified tightening torque, see “Technical
data”.
10. Fill and bleed the steering gear hydraulic
system.
11. Take a test drive and check the plug and
pump cover for leaks.
1 2
3
4
S7 00 613
ᓻ 200322
4
7
STEERING PUMP
Inspection and adjustment
LF45/55 series
1-4
ᓻ 200322
4
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