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 terminals.
(3) Remove hydraulic steering pump from
motor (para 6-85).
(6) Remove screw and lockwasher securing
thermal relay (38, figure 7-2) to motor housing.
(4) Slide protective rubber elbows up
electrical leads and disconnect and tag leads from motor
b. Installation. Reverse procedure in paragraph
terminals.
a. above.
6-89.
STEERING AXLE.
(5) Remove screw and lockwasher securing
thermal relay (38, figure 7-2) to motor housing.
a. Removal.
(1) Tilt mast back. Lift rear of truck high
(6) While supporting motor (22, figure 7-30)
enough to provide enough space in which to work.
remove four screws, nuts and lockwashers securing
Block truck so it cannot fall after being raised.
motor mounting bracket to truck body and remove motor
(2) Disconnect tie rod end (15, figure 7-34)
from under truck.
from bellcrank lever (38).
(3) If rear axle is raised from ground, support
b.
Installation.
it against falling when attaching parts are removed.
(1) Working from under truck, position
Remove four screws (2, figure 7-34) and lockwashers
hydraulic steering pump motor on body and secure
(3) from retainer plate (1) and remove retainer plate.
motor mounting bracket to body with four screws, nuts
(4) Lower axle, or hoist truck to get clearance
and lockwashers.
and roll axle from beneath truck.
(2) Connect thermal relay to motor housing
b.
Installation.
with screw and lockwasher.
(1) Roll axle under jacked up truck and jack
up axle until axle blocks enter recesses in truck body.
(3) Secure electrical leads to terminals
tagged at removal and push protective rubber elbows
(2) Install retainer plate on truck body to
over terminals.
secure steering axle in position and secure retainer bar
with four screws and lockwashers.
(4) Connect hydraulic pump to hydraulic
pump motor with two screws and lockwashers.
(3)
Connect drag link lever to tie rod end.
(5) Install truck travel motor cover.
(4)
Remove support and lower truck to floor.
6-87.
HYDRAULIC PUMP.
(5) Adjust tie rods and steering linkage as
a.
Removal.
required (para 6-73).
(1) Remove floor plate (para 6-27).
6-90.
DRIVE AXLE, ADAPTER AND TRAVEL
MOTOR.
(2) Disconnect hoses inlet elbow (3, figure 7-
14) and outlet (I) from pump (8) and cap ends to prevent
a. Removal.
entrance of dirt.
(1) Remove entire mast assembly including
carriage, forks and lift cylinder as a unit (para 6-79 or 6-
(3) Remove two nuts (9) and lockwashers
80).
(10) securing pump to motor and remove pump with
attached coupling half (11).
(2) Disconnect and remove brake line from
b. Installation. Reverse procedure in a. above,
master cylinder at tee fitting (29, figure 7-13) on drive
making sure coupling halves engage.
axle. Protect line against kinking or entry of dirt while
6-88.
HYDRAULIC PUMP MOTOR.
disconnected.
a. Removal.
(1) Raise truck off floor.
(3) Remove floor plate (para 6-27) and
remove thermal relay from travel motor. Remove horn
(2)
Remove travel motor cover from under
(70, figure 7-2) attached to adapter. Disconnect rod (8,
truck.
axle and adapter.
(3)
Remove hydraulic pump (para 6-87).
(4) Remove bottom plate from under truck.
(4) Remove tee bolt, nut and washers
Support travel motor from below with wheeled dolly or
securing hydraulic pump motor to strap, and lower
floor jack. Disconnect and tag four leads from terminals
motor.
of travel motor.
(5) Slide protective rubber elbows up
electrical leads and disconnect and tag leads from motor
6-27
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