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 (1)
Remove floor plate (para 6-27).
(6) Remove four screws (12, figure 7-18) and
washers (14, 15) and nuts (13) securing hydraulic tank
(2)
Remove directional control switch (para 6-
(I1) to truck body and lift hydraulic tank from truck.
83).
b.
Installation.
(3) Remove cover (6, figure 7-33) mounted
(1) Position hydraulic tank on truck body and
on steering gear column secured with two screws
secure with four screws, nuts and washers.
housing horn leads and disconnect and tag horn leads at
connector.
(2)
Screw filters on hydraulic tank.
(4) Disconnect drag link at steering gear arm
(3) Install return hose to filter fitting and
(7, figure 7-30).
tighten hose clamp securely.
(5) Disconnect
power
steering
hose
(4) Install suction hose to bottom of hydraulic
connection (8, 11, figure 7-30) from steering gear
tank and tighten hose clamp securely.
housing (97, figure 7-33) cover hose connections to
prevent entrance of dirt.
(5) Position seat on hydraulic tank and secure
with hinge pin.
(6) Remove four screws (3, 4, figure 7-33)
and lockwashers (5) securing steering gear housing (97)
(6) Fill hydraulic tank with oil and operate
to truck body.
system to check for hydraulic fluid leakage.
(7) Support steering gear and remove clamp
(7) At completion of operational test, install
securing steering gear to instrument panel by removing
cowl and floor plate.
attaching nuts and lockwashers. Pull steering gear out
of truck.
6-83.
DIRECTIONAL CONTROL SWITCH.
a.
Removal.
b.
Installation.
(1) Remove directional control switch cover
(1) Reverse
procedure
in
paragraph
a.
(11, figure 7-12) and tag and disconnect internal
above.
electrical lead.
6-85.HYDRAULIC STEERING PUMP.
(2) Remove return to neutral cable
by
loosening attaching connector (9, figure 7-28).
a. Removal.
(1) Remove floor plate (para 6-27).
(3) Remove four screws (5, figure 7-12)
securing directional control switch and clamp (4) to
(2) Disconnect hoses (9, 11) from hydraulic
steering gear column and remove clamp.
pump (18,' figure 7-30). Cap ends to prevent entrance
of dirt.
(4) Unscrew directional control switch off
conduit coupling (3) and remove from truck.
(3) Remove two screws and lockwashers
securing hydraulic steering pump to hydraulic steering
b.
Installation.
pump motor and remove hydraulic pump.
(1) Install directional control switch on conduit
coupling with lever oriented to right of steering gear
b.
Installation.
column.
(1) Position hydraulic steering pump on pump
motor, and secure in place with two screws and
(2) Secure switch
to steering gear column
lockwashers.
with clamp and four screws.
(2) Securely connect outlet hose and inlet
(3) Secure return to neutral cable to switch
hose to hydraulic pump. Operate hydraulic steering
with attaching connector, adjusted so that with no
system and check for fluid leakage.
pressure on operator's seat, switch returns to neutral
from either the forward or reverse positions.
(3) Install floor plate.
6-86.
HYDRAULIC STEERING PUMP MOTOR.
(4) Reinstall electrical leads to switch
a. Removal.
according to tags attached at removal and attach switch
(1) Raise truck off floor.
cover.
(2) Remove seven screws mounting travel
6-84.
STEERING GEAR.
motor cover (13, figure 7-38) on truck frame.
a. Removal.
6-26
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