Steering (Steering box): 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