Land Rover Range Rover 1987 Power Steering Box Rover Manual

POWER STEERING BOX
Remove and refit
Service tools:
Drop arm extractor-MS252A
NOTE: It is important that whenever any part of
the system,including the flexible piping, is
removed or disconnected, that the utmost
cleanliness is observed.
All ports and hose connections should be
suitably sealed off to prevent ingress of dirt, etc.
If metallic sediment is found in any part of the
system, the complete system should be checked,
the cause rectified and the system thoroughly
cleaned.
Under no circumstances must...

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8.
9.
10.
11.
12.
13.
14.Disconnect the drag fink from the drop arm
using a suitable extractor.
Remove the drop arm, using drop arm
extractor 
MS252A.Remove the pinch bolt attaching the universal
joint to the power steering box.
Loosen the nut securing the tie bar to the
chassis.
Remove the bolts securing the tie bar to the
steering box and move the tie bar aside.
Remove the fixings attaching the power
steering box to the 
chassrs side member.
Withdraw the power steering box.
8,19...

. ..POWER STEERING BOX OVERHAUL
Service tools:
LSTl20-‘C’ Wrench
LSTll9 -Worm adjusting wrench
MS252A -Drop arm extractor
606602 -Ring expander
606603 -Ring compressor
606604 -Seal saver, sector shaft
R01015 -Seal saver, valve and worm
R01016 -Torque setting tool
Dismantle
I. Remove the steering box from the vehicle,
and withdraw the drop arm.
; .,. :
‘,.
:.. .:,Rotate the retainer ring, as necessary, until one
end is approximately 12 mm (0.500 in) from
the extractor hole.
Lift the cover retaining ring...

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.
13. Remove the worm adjuster locknut using ‘C’Wrench, 
LSTI 20.
14. Remove the worm adjuster using wrench
LSTll9.
IS.
16.
17.
18.
19.Tap the splined end of the shaft to free the
bearing.
Withdraw the bearing cup and caged ball
bearing assembly.
Withdraw the valve and worm assembly.
Withdraw the inner bearing ball race and
shims.
Retain the shims for reassembly
Steering box seals20. Remove the circlip and seals from the sector
shaft housing bore.
NOTE: Do...

STEERING 157 1
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.:Steering box casing
23. Examine the piston bore for traces of scoring
and wear.24. Examine the inlet tube thread for damage. If
repair is necessary this can be undertaken by
using a suitable tap.
25. Examine the feed tube for signs of cracking.
23Sector shaft assembly
26. Check that there is no side play on the rollers.
27. If excessive side play on the roller does exist
fit a new sector shaft.
28. Check the condition of the adjuster screw
threads.
29. Examine the bearing...

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36. Examine the bearing areas for wear. The areas
must be smooth and not indented.
37. Examine the worm track which must be
smooth and not indented.
38. Check for wear on the torsion bar assembly
pins; no free movement should exist between
the input shaft and the worm.
NOTE: Any sign of wear makes it essential
that a new valve and worm assembly is
fitted.
RR932MBall bearing and cage assemblies
39. Examine the ball races and cups for wear and...

51. Fit a new rubber ring to the piston. Warm theSector shaft sealwhite nylon seal and fit this to the piston.
52. Slide the piston assembly into the cylinder
with the rack tube outwards. Allow to cool.
ReassembleNOTE: When fitting replacement oil seals, these
must be lubricated with recommended fluid.
Also ensure that absolute cleanliness is observed
during assembly.Input shaft oil seal
53. Fit the seal, lipped side first, into the housing.
When correctly seated, the seal backing will lie
flat on the...

1987 RANGEROVER
60. Fit the inner cage and bearings assembly.
61. Fit the valve and worm assembly, using seal
saver 
RQ1015 to protect the input shaft seal.
62. Fit the outer cage and bearings assembly.
63. Fit the outer bearing cup.
6364. Fit a new worm adjuster sealing ring and
loosely screw the adjuster into the casing. Fit
the locknut, but do not tighten.
65. Turn in the worm adjuster until the end-float
at the input is almost eliminated.
66. Measure and record the maximum rolling
distance of the...

74.
75.
76.
77.Fitting the rack adjuster
71. Fit the sealing ring to the rack adjuster.
72. Fit the rack adjuster and thrust pad to engage
the rack. Back off a half turn on the adjuster.
73. Loosely fit the nylon pad and adjuster set
screw assembly to engage the rack adjuster.NOTE: Before tightening the fixings, rotate
the input shaft about a small arc to ensure
that the sector roller is free to move in the
valve worm.
78. Fit the cover fixings and tighten to the correct
torque 
(see section 06-Torque...

RANGElg8’ ROVER
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Adjusting the sector shaftTorque peak check
82.
83.
84.
as.
86.
87.
,Set the worm on centre by rotating the input
shaft half the total number of turns from either
lock.
Rotate the sector shaft adjusting screw
counter-clockwise to obtain backlash between
the input shaft and the sector shaft.
Rotate the sector shaft adjusting screw
clockwise until the backlash is just eliminated.
Measure and record the maximum rolling
resistance at the input shaft, using a spring
balance, cord...