Defender 90 NAS. Manual — part 56
STEERING
3
ADJUSTMENT
Adjust
7. Loosen clamps at both ends of track rod.
8. Rotate track rod to increase or decrease its
effective length until correct toe-out is obtained
See GENERAL SPECIFICATION DATA,
Information, Steering.
9. Push vehicle rearwards turning steering wheel
from side to side to settle ball joints. With road
wheels set in straight ahead position, push
vehicle forward a short distance.
10. Recheck track and adjust if necessary.
11. When alignment is correct, tap ball joints in
direction of arrows to maximum of travel, to
ensure full unrestricted movement of track rod.
12. Tighten clamp bolts to
14 Nm, 10 lbf ft.
POWER STEERING BOX - CENTRALISE
Service repair no - 57.35.05
Adjust
1. Raise vehicle on ramp [hoist].
2. Remove split [cotter] pin from castellated nut
securing drag link to drop arm.
3. Remove castellated nut.
4. Using tool LRT-57-018 release drop arm from
drag link.
5. Turn steering wheel to full RH lock.
6. Turn steering wheel back exactly 2 turns.
7. Fit drop arm to drag link and fit castellated nut.
8. Tighten castellated nut to
40 Nm, 30 lbf ft and
fit new split [cotter] pin.
9. Lower vehicle.
57
STEERING
4
ADJUSTMENT
POWER STEERING SYSTEM - BLEED
Service repair no - 57.15.02
Check
1. Position container to collect any fluid spillage.
2. Ensure fluid in reservoir reaches dipstick
maximum.
3. Run engine to normal operating temperature.
4. Recheck and correct reservoir fluid level.
NOTE: During instructions 4 to 6, maintain
maximum fluid level in reservoir. Do not
increase engine speed or move steering
wheel.
5. With engine at idle speed, loosen bleed screw
on steering box. Tighten bleed screw when fluid
emerges.
6. Check fluid level.
7. Fit reservoir cap.
8. Clean away fluid around bleed screw.
9. Check hose connections, pump and steering box
for fluid leaks by holding steering on full lock in
both directions.
CAUTION: Do not maintain this pressure
for more than 30 seconds in any one
minute to avoid overheating fluid and
possibly damaging seals.
10. Remove container.
11. Carry out road test.
STEERING
1
REPAIR
POWER STEERING BOX
Service repair no - 57.10.01
General precautions
•
Whenever any part of the system is removed or
disconnected, utmost cleanliness must be
observed.
•
Disconnected ports and hoses must be plugged
to prevent ingress of dirt. If metal sediment is
found in system, establish the cause, rectify and
flush system.
•
Do not start engine until reservoir is full as pump
will be damaged.
•
Metric pipe fittings are used with ’O’ ring pipe
ends on fittings to steering box.
•
Follow normal ’O’ ring replacement procedure
whenever pipes are disconnected.
•
Ensure compatible metric components are used
when fitting replacement pipes.
CAUTION: After refitting steering linkage
parts, follow correct procedure to ensure
that road wheels, steering box and
steering wheel are correctly positioned relative to
each other when in the straight ahead condition.
NOTE: When drag link is disconnected
from steering box, travel available at
steering wheel to each full lock is not
equal.
Remove
1. Raise vehicle on ramp.
2. Remove panhard rod.
See FRONT
SUSPENSION, Repair, panhard rod
3. Remove bolt securing steering damper to drag
link.
4. Release steering damper from drag link.
5. Remove split pin from castellated nut securing
drag link to drop arm.
6. Remove castellated nut.
57
STEERING
2
REPAIR
7. Using tool LRT-57-018 release drop arm from
drag link.
8. Loosen, but do not remove, nut securing tie bar
to mounting arm.
9. Remove 2 bolts securing tie bar to steering box.
10. Move tie bar aside.
11. Position container to collect any fluid spillage.
12. Lower vehicle.
13. Remove filler cap from power steering fluid
reservoir.
14. Loosen union securing feed pipe to steering box.
15. Disconnect feed pipe from steering box.
16. Loosen union securing return pipe to steering
box.
17. Disconnect return pipe from steering box.
CAUTION: Plug the connections.
18. Centralise steering.
See Adjustment, power
steering box - centralise
19. Remove pinch bolt securing steering column
universal joint to steering box.
20. Loosen pinch bolt securing universal joint to
steering column.
21. Slide universal joint up steering column and
release from steering box.
22. Remove 4 bolts securing steering box to chassis
side member and collect 2 tab washers.
23. With assistance, lower steering box from vehicle
and remove.
Refit
24. Clean mating faces of steering box and chassis
side member.
25. With assistance, position steering box to vehicle,
ensuring locating peg is engaged.
26. Fit bolts and tab washers securing steering box
to chassis and tighten bolts to
80 Nm, 60 lbf ft.
27. Connect steering column to steering box.
28. Tighten universal joint pinch bolts to
25 Nm, 19
lbf ft.
29. Remove plugs from steering box and pipes.
30. Connect feed pipe to steering box and tighten
union to
15 Nm, 11 lbf ft.
31. Connect return pipe to steering box and tighten
union to
20 Nm, 15 lbf ft.
32. Fit fluid reservoir cap.
33. Raise vehicle on ramp.
34. Position tie bar to steering box and loosely fit
bolts and washers.
35. Tighten nut securing tie bar to mounting arm to
80 Nm, 60 lbf ft and then back-off one complete
turn.
36. Tighten bolts securing tie bar to steering box to
81 Nm, 60 lbf ft and then back-off one complete
turn.
37. Fit drop arm to drag link and fit castellated nut.
38. Tighten castellated nut to
40 Nm, 30 lbf ft and
fit new split pin.
39. Connect steering damper to drag link.
40. Fit and tighten bolt securing damper.
41. Fit Panhard rod.
See FRONT SUSPENSION,
Repair, panhard rod; Refit
42. Lower vehicle.
43. Bleed power steering system.
See Adjustment,
power steering system - bleed
44. Test drive vehicle using both full locks to settle
steering components. If possible, drive vehicle
over uneven ground and include harsh braking.
WARNING: Do not test drive vehicle on
public highway.
45. Drive vehicle in a straight line on level ground
and stop.
46. Tighten nut securing tie bar to mounting to
110
Nm, 81 lbf ft.
47. Tighten bolts securing tie bar to steering box to
81 Nm, 60 lbf ft.
48. Ensure steering wheel is correctly aligned when
wheels are positioned straight ahead.
49. Road test vehicle.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст