Section III. STEERING GEAR VALVE
(c) Remove horn wire (4), ferrule (5), contact
spring (6) and washer (7) by slowly pulling wire from
The steering gear valve is mounted at the bottom of the
(d) Remove retaining ring (8) from column (14)
steering shaft. It is connected to the hydraulic pump
and slide shaft (9) and bearing (11) from column (14).
and steering cylinder with hydraulic hoses. Rotation of
(e) Remove bearing retaining ring (10) and press
the steering wheel actuates the valve.
bearing (11) from shaft (9) and remove second bearing
retaining ring (12) from shaft. Remove contact ring (15)
8-8. Steering Gear Valve, Removal and Disassembly
and insulator (16).
(f) Mark two screw hole locations on column (14)
a. Removal. Refer to the paragraph 2-15 and
so ports will be in correct location at assembly.
remove the steering gear valve.
(g) Remove screws (13) and column (14) from
end plate (23).
(1) Steering wheel and horn button. Refer to TM
(3) End cap.
10-3930-630-12 and remove the steering wheel and
(a) Clamp valve assembly in vise with end cap
(18) facing up and remove screws (17).
(2) Steering wheel column.
(b) Remove end cap (18), rotor (19), plate (20)
(a) Remove screws(1, fig.8-3), brush assembly (2)
and drive shaft (21) from control assembly
and connector (3) from column (14).
(b) Working through brush plate opening,
disconnect horn wire (4) from contact ring (15).