300Tdi Defender Power Steering Box - Adwest
STEERING
1
OVERHAUL
POWER STEERING BOX - ADWEST
Service repair no - 57.10.07
Overhaul
NOTE: Overhaul of steering box should
not be carried out during the warranty
period.
WARNING: Wear safety glasses while
removing and refitting circlips and
retaining ring.
CAUTION: Absolute cleanliness is
essential when overhauling power steering
box.
1. Remove steering box from vehicle
See Repair,
Power Steering Box . Mark drop arm and
steering box for realignment on assembly.
Remove drop arm using extractor LRT-57-012.
Loosen drop arm securing nut, but do not
remove before using extractor. Remove dirt
excluder from output shaft.
2. Drain oil, remove blanking plugs and bleed
screw. Hold steering box over suitable container,
turn input shaft from lock to lock, until oil is
drained. Refit bleed screw.
3. Rotate retainer ring until one end is 12 mm from
extractor hole. Using a drift through hole in
cylinder, lift retaining ring from groove in cylinder
bore.
4. Remove retainer ring, using a screwdriver.
5. Turn input shaft (left lock on left hand drive, right
lock on right hand drive) until piston pushes out
cover. Turn input shaft fully in opposite direction,
applying pressure to piston.
6. Remove set screw retaining rack pad adjuster.
7. Remove rack adjuster and pad.
8. Remove sector shaft adjuster locknut.
9. Remove four bolts from sector shaft cover.
10. Screw in sector shaft adjuster until cover is
removed.
NOTE: Sealant is applied to hexagon
socket to ’tamperproof’ sector shaft
adjuster.
11. Slide out sector shaft.