STEERING (Steering box): DESCRIPTION AND OPERATION

STEERING

57-4

DESCRIPTION AND OPERATION

Steering box

RH drive shown, LH drive similar

1 Housing with output shaft lower bearing
2 Input shaft dirt shield, circlip, backup washer 

and pressure seal

3 Relief valve stop, seal and locknut 2 off
4 Piston/rack adjuster
5 Hydraulic pipe
6 Piston/rack and relief valves
7 Output shaft
8 Seal, washer and backup seal
9 Circlip and dirt shield

10 Teflon and rubber seal 2 off
11 Cylinder cover, seal and snap ring

12 Bearing adjuster, locknut and seal
13 Bearing 2 off
14 Worm gear and rotary control valve assembly
15 Teflon seals 3 off
16 Worm/valve shims
17 Cover plate seal
18 Output shaft adjuster
19 Cover plate and bearing
20 Bleed screw
21 Output shaft adjuster lock nut and seal
22 Cover plate bolts 4 off