Land Rover Defender 90 110 Workshop Book 4 Rover

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STEERING 
I. . 
57 
... ? . . .. . ... .. 
45. Secure  the lock  to the  column  with the clamp  and 
shear  bolts,  whilst  inserting  two plain  washers 
between  the switch  and clamp.  Tighten  the bolts 
but  not enough 
to shear  them.  Temporarily  fit the 
steering  wheel 
and operate the switch  and lock 
mechanism  several times to ensure  it functions 
properly  before finally tightening  the bolts  until the 
heads shear.  Connect  the electrical leads to the 
rear 
of...

STEERING 
ST587 M 
Fit collapsible  steering shaft  POWER 
STEERING 
BOX OVERHAUL - Adwest e 
early vehicles 
Service  tools: 
C Spanner - 606600 
Peg Spanner - 606601 
Ring  expander 
- 606602 
Ring  compressor 
- 606603 
Seal  saver,  sector shaft 
- 606604 
Seal  saver,  valve and worm 
- R01015 
Torque  setting tool - R01016 
DISMANTLE 
1. Remove  the  steering box from  the  vehicle,  and 
51. 
52. 
If necessary,  fit new universal  joints to the support. 
Note that the 
long joint is fitted  to the...

STEERING 
15. Tap the splined end of the spindle shaft  to free  the 
bearing. 
3 
57 
16.  Withdraw  the bearing  cup and caged  ball bearing 
17.  Withdraw  the valve  and worm assembly. 
18. 
Do not  disturb  the  trim  screw,  otherwise the 
calibration  will be adversely  affected. 
19. Withdraw  the inner  bearing  ball race  and shims. 
Retain  the shims. 
6. 
Slacken  the  grub screw  retaining  the rack  pad 
7. Remove  the rack  pad adjuster. 
8. Remove  the sector shaft  adjuster locknut. 9....

STEERING 
26 
ST1050M 
Sector shaft assembly 
27. Check that  there is no side play on the rollers. 
28.  If excessive  side play 
on the roller  does exist renew 
29. Check the  condition of the adjuster  screw threads. 
30.  Examine  the  bearing areas on the  shaft  for 
31. 
Examinc the  gear  teeth  for uneven or  excessive 
the 
sector shaft. 
excessive  wear. 
wear: 
Inspecting 
22. Discard all rubber seals  and provide  replacements. 
NOTE: A rubber seal is fitted behind  the plastic 
ring 
on...

STEERING 
::: ., ., 
.. . ,, .-. . .. .. . ... .- . __ . ... 
Valve and worm  assembly 
34. Examine  the valve  rings  which  must be free  from 
cuts, scratches  and grooves.  The valve rings  should 
be  a loose 
fit in the  valve  grooves. 
35. Remove  the  damaged  rings ensuring  that no 
damage 
is done  to the  seal grooves. 
36.  If required, 
fit replacement  rings, using the ring 
expander  606602. Both rings and  tool  may be 
warmed 
if found  necessary.  Use  hot  water  for this 
purpose....

1571 STEERING 
Rack and piston 
50. Examine for  excessive wear on the rack  teeth. 
51. Ensure  the thrust  pad bearing  surface is free  of 
scores and  wear. 
52. Ensure that the piston outer diameters  are free 
from  burrs  and damage. 
53. Examine  the  seal and ring  groove  for scores  and 
damage. 
54. Fit a new  rubber  ring to the  piston. Warm  the white 
nylon seal  and fit this to  the piston.  Slide  the piston 
assembly  into the cylinder  with the rack  tube 
outwards.  Allow to cool....

STEERING 
Fitting the valve and worm assembly 
62. If removed,  refit the original  shim washer(s) and 
the inner  bearing  cap.  Only  vaseline  must be used 
as an  aid to assembling  the bearings. 
NOTE: If the  original shims are not available,  fit 
shim(s) of 0.76 mm (0.030 in) nominal thickness. 
63. Fit the inner  cage and bearings assembly. 
64.  Fit  the valve  and worm  assembly,  using  seal  saver 
R01015 to protect the input shaft seal. 
65. 
Fit the outer  cage and bearings  assembly. 
66....

STEERING 
Fitting the rack  adjuster 
74. Fit the sealing ring  to the rack adjuster. 
75.  Fit the  rack  adjuster  and  thrust  pad 
to engage the 
76. Loosely fit the nylon  pad and  adjuster  grub screw 
Fitting  the cylinder  cover 
82. Fit the  square section seal  to the cover. 
83.  Remove  the slave  bolt and press  the cover  into the 
cylinder  just  sufficient to clear  the retainer  ring 
groove. 
84.  Fit  the  retainer  ring to the  groove  with one end 
of 
the ring  positioned  12 mm...

STEERING El 
e,t:i:t Adjusting the rack  adjuster 
91. Turn in the rack  adjuster  to increase  the figure 
recorded 
in 90 by 0,9 to 1,3 kg (2 to 3 lb).  The  final 
figure  may be less  than  but must  not exceed 
7,25 kg 
(16 Ib). 
92. 
Lock the  rack  adjuster  in position  with  the  grub 
screw.  Adjustments 
95. Note 
where  the  greatest  figures are recorded 
relative  to the  steering  gear position.  If the  greatest 
figures  are not recorded  across the centre 
of travel 
(i.e.  steering...

171 STEERING 
BLEEDING THE POWER  STEERING  SYSTEM 
TEST POWER  STEERING  SYSTEM 
Service  tools: 
Three
-way  adaptor - JD10-2/1 
Gauge - JDlO 
Hose - JD 10-3 
2-off Hose - JDIO-3A 
Adaptor 
- JD10-6/1 
Adaptor - JD10-6/2 
If  there  is a lack  of power assistance  for the steering  the 
pressure  of the  hydraulic  pump should  be checked  first 
before  renewing  any components 
of the  system.  The 
fault  diagnosis  chart  should  also  be used to assist  in 
tracing faults  in the  power  steering....