press in the shaft (14). Install snap ring (12) on the
(a) Place the pressure plate (39, fig. 5-
shaft. Lightly tap the shaft and bearing assembly into the
body with a plastic hammer. Install snap ring (12) in the
(38) on the plate with the arrow pointed in the correct
body to secure the bearing and shaft. Thoroughly
direction of rotation. Install locating pins (34). Position
inspect to insure that snap ring is correctly installed.
the rings (36) over the pins and rotor, again observing
(d) Place the rotor (20) on the pressure
the rotation arrow figure 5-30B. Place the intra vanes
plate (7) and insert vanes (19) in the rotor slots. The
(inserts) (40) in the vanes (37) and install both in the
radius edges of the vanes must be toward the ring.
rotor slots. Be sure the sharp edges are toward the
Install the location pins (17) in the pressure plate and
direction of rotation fig. 5-30C and that both vanes and
place the ring (21) over them with the ring arrow pointing
inserts move freely in the slots. Install wear plate (35)
in the correct direction of rotation. Stick pressure plate
and screws (33). Reassemble other cartridge in a
spring (6) in cover (5) with petroleum jelly. Install the
similar manner.
cover and screws (4). Tighten screws to 75 to 85 foot-
(b) Soak a new shaft wiper (12) in OE10
pounds torque.
and install wiper and seal (13). Be certain the seal 0. D.
(2) Outrigger and front axle oscillate lock out
is below the chamfer in the body. Clamp the body (10) in
pump.
vise or place it on blocks and place the bearing washer
(9) against the seal. Cover the end of the shaft with a
(a) Install the shaft seal and wiper
"bullet" lubricated with grease or petroleum jelly to
assembly in the body (16) and press it into the body.
protect the seal. Press the shaft (8) into the bearing in
The spring on the shaft seal must be toward the bearing.
an arbor press, supporting the bearing inner race.
Place the washer in the body against the shaft seal.
Remove the "bullet". Install the small snap ring (6). Tap
(b) Support the bearing inner race and
the shaft and bearing gently into the body (10) and install
press in the shaft (14). Install snap ring (12) on the
lock ring (5). Install O-ring (15) and backup ring (14) on
shaft.. Lightly tap the shaft and bearing assembly into
the cartridge pressure plate hub (25). Lay the body O-
the body with a plastic hammer.
ring (16) in place and install back-up ring (17) and O-ring
Install snap ring (12)
in the body to secure the
(18) on the cartridge. Carefully install the cartridge in the
bearing and shaft. Thoroughly inspect to insure that the
body so one of the chamfers or flats on the ring will align
snap ring is correctly installed.
with the inlet port when the inlet housing is installed.
(c) Place the rotor (20) on the pressure
Place the inlet housing over the cartridge so the locating
plate (7) and insert vanes (19) in the rotor slots. The
pins (30) are properly engaged and the inlet is in the
radius edges of the vanes must be toward the ring.
correct position with respect to the body outlet. Install
Install the locating pins (17) in the pressure plate and
the four bolts (3) and torque tighten to 70 to 75 foot-
place the ring (21) over them with the ring arrow pointing
pounds for the utility blade system and fan drive pump,
in the correct direction of rotation. Stick pressure plate
and 90-95 foot-pounds for steering pump, front and rear.
spring (6) in cover (5) with petroleum jelly. Install the
Install the cover end cartridge (32) being certain the pins
cover and screws (4). Tighten screws to 75 to 85 foot-
(34) engage the housing. Place the large back-up ring
pounds torque.
(20) and then the O-ring (19) on the pressure plate (39).
(3) Dual hydraulic pumps utility blades and fan
Install the small O-ring (22) and back-up ring (23) on the
drive pump and steering system pump.
pressure plate hub. Put the cover O-ring (21) in place in
its groove. Install cover (20) and bolts (1). Tighten
NOTE
screws to 45 to 50 foot-pounds torque.
The direction of rotation is as viewed
f. Installation. Install hydraulic pump assemblies
from the shaft end; right hand
(TM 53810-232-12)
rotations is clockwise; left hand
counterclockwise.
5-65
