Defender 90 NAS. Manual — part 49
FRONT AXLE AND FINAL DRIVE
1
REPAIR
FRONT AXLE ASSEMBLY
Service repair no - 54.15.01
Remove
WARNING: Remove and refit of axle
requires a further 2 persons to steady axle
when lowering or repositioning.
1. Raise and support chassis front.
2. Remove front road wheels.
3. Support axle weight with hydraulic jack.
4. Remove both radius arm to chassis frame lock
nuts.
5. Disconnect steering damper from track rod.
Using an extractor remove track rod links from
swivel pin arms.
6. Remove 4 nuts and bolts securing radius arms
to axle bracket.
7. Disconnect radius arms from axle.
8. Remove bolts securing brake hose brackets.
Refit bolts to prevent oil leakage.
9. Remove both wheel sensor lead plugs and
release lead retaining clips.
10. Remove bolts from brake calipers and tie
calipers to one side. DO NOT strain hoses.
11. Remove nuts and washers securing shock
absorbers to axle.
12. Disconnect drag link from swivel pin housing
arm.
13. Remove 2 nuts and bolts securing panhard rod
to axle bracket. Lift rod clear of axle.
14. Mark drive shaft flanges for reassembly .
Remove 4 nuts and bolts, tie propeller shaft to
one side.
15. Release axle ventilation pipe banjo and lower
axle assembly. Remove road springs.
16. Disconnect anti-roll bar link
See FRONT
SUSPENSION, Repair, Anti-roll bar ball joint
links .
17. Remove axle assembly.
Do not carry out further dismantling if component
is removed for access only.
18. Transfer components to new axle.
Refit
19. Position axle under vehicle, supporting left side
of axle.
20. Fit road springs, axle ventilation pipe banjo and
raise axle assembly.
21. Align reference marks and fit propeller shaft.
Tighten bolts to
47 Nm, 35 lbf/ft.
22. Fit panhard rod to axle bracket. Tighten bolts to
88 Nm, 65 lbf/ft.
23. Fit drag link to swivel pin arm. Tighten fixings to
40 Nm, 30 lbf/ft.
24. Fit shock absorbers to axle.
25. Fit brake calipers. Tighten bolts to
82 Nm, 60
lbf/ft.
26. Tighten upper swivel pin bolts to
65 Nm, 50
lbf/ft.
27. Reconnect both wheel sensor lead plugs and fit
lead retaining clips.
28. Fit radius arms to axle brackets. Tighten bolts to
197 Nm, 145 lbf/ft.
29. Fit steering damper to track rod.
30. Fit radius arms to chassis side member. Tighten
fixings to
197 Nm, 145 lbf/ft .
31. Tighten track rod end to
40 Nm, 30 lbf ft align to
hole and fit NEW split [cotter] pin.
32. Fit road wheels, tighten to
130 Nm, 95 lbf ft.
33. Remove chassis supports.
54
FRONT AXLE AND FINAL DRIVE
2
REPAIR
FRONT HUB ASSEMBLY
Service repair no - 60.25.01.
Remove
1. Loosen road wheel nuts, raise front of vehicle
and lower onto axle stands. Remove road wheel.
2. Release brake hose clips and remove brake
caliper and brake disc shield bolts. Secure
caliper to one side.
3. Lever off dust cap.
4. Remove circlip and driveshaft shim from
driveshaft.
5. Remove 5 bolts and withdraw drive member and
joint washer. Discard joint washer.
6. Bend back lock washer tabs.
7. Remove locknut and lock washer.
8. Remove hub adjusting nut.
9. Remove spacing washer.
10. Remove hub and brake disc assembly complete
with bearings.
HUB COMPONENTS
1. Dust cap.
2. Drive shaft circlip.
3. Drive shaft shim.
4. Drive member.
5. Drive member joint washer.
6. Drive member retaining bolt.
7. Lock nut.
8. Lock washer.
9. Hub adjusting nut.
10. Spacing washer.
11. Outer bearing.
12. Hub.
13. Inner bearing.
14. Grease seal.
15. Brake disc.
16. Disc retaining bolt.
FRONT AXLE AND FINAL DRIVE
3
REPAIR
Refit
1. Clean stub axle and drive shaft and fit hub
assembly to axle.
2. Fit spacing washer.
3. Fit hub adjusting nut. Tighten to
50 Nm, 37 lbf ft.
Ensure hub is free to rotate with no bearing play.
4. Back off adjusting nut 90fl and tighten to
10 Nm,
7 lbf ft . This will give the required hub end float
of 0,010mm, 0.0004 in.
5. Fit a new lock washer.
6. Fit locknut. Tighten to
50 Nm, 37 lbf ft.
7. Tab over lock washer to secure adjusting nut
and locknut.
8. Fit a new joint washer to driving member and fit
member to hub. Tighten bolts to
65 Nm, 48 lbf
ft.
9. Fit original drive shaft shim and secure with a
circlip.
10. To check drive shaft end play, mount a dial
gauge using bracket LRT-99-503and rest pin in
a loaded condition on end of drive shaft.
11. Fit a suitable bolt to threaded end of drive shaft.
Move drive shaft in and out noting dial gauge
reading. End play should be between 0,08 to
0,25 mm, 0.003 to 0.010 in.
12. If end play requires adjustment, remove circlip,
measure shim thickness and fit an appropriate
shim to give required end-play.
13. Remove bolt from drive shaft, fit circlip and dust
cap.
14. Fit brake disc shield and brake caliper. Tighten
fixings to
82 Nm, 60 lbf ft.
15. Bleed brake system.
See BRAKES, Repair,
Brake system bleed
16. Fit road wheel, remove axle stands and tighten
road wheel nuts to
130 Nm, 95 lbf ft.
17. Operate footbrake to locate brake pads.
FRONT AXLE AND FINAL DRIVE
1
OVERHAUL
FRONT DIFFERENTIAL
Service repair no - 54.10.07.
Overhaul
NOTE: The front axle differential is the
same as that fitted to the rear axle and can
only be serviced as a complete assembly
See REAR AXLE AND FINAL DRIVE, Repair, Rear
differential .
FRONT HUB
Service repair no - 60.26.14.
Overhaul
1. Remove hub assembly
See Repair, Front hub
assembly
2. Remove outer bearing.
3. Mark, for reassembly, relationship between hub
and brake disc, if original hub is to be refitted.
4. Remove 5 bolts and separate hub from brake
disc.
5. Drift out grease seal and inner bearing from hub
and discard seal.
6. Drift out inner and outer bearing tracks.
7. Clean hub and drift in inner and outer bearing
tracks.
8. Pack hub inner bearing with recommended
grease and fit to hub.
9. With lip side leading fit new seal to hub using
special tool LST 137seal replacer and drift 18G
134. Drive in seal flush with rear face of hub.
Apply grease between seal lips.
10. Fit brake disc to hub, lining up to marks made
during dismantling. Apply Loctite 270, fit
retaining bolts. Tighten to
73 Nm, 55 lbf/ft.
11. Grease and fit outer bearing to hub.
12. Fit hub assembly.
See Repair, Front hub
assembly
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст