TM-9-2320-285-24-2
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1985
TM-9-2320-285-24-2 - Page 297 of 698
TM 9-2320-285-24-2
3-28.
STEERING SYSTEM MAINTENANCE (CONT)
f. Power Steering Pump (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
REASSEMBLY (cont)
8
Body (34)
a
Bearing (30)
Install
Use suitable sleeve and
arbor press
b
New shaft seal
Install
Use suitable sleeve and
(31)
arbor press
c
Bearing (33)
Install
On shaft (28)
d
Retaining ring
Install
Use retaining ring pliers
(32)
e
Body (34)
Clamp
In soft jawed vise
f
Shaft (28)
Install
Use bronze bar and mallet to
tap in
g
Retaining ring
Install
Use retaining ring pliers
(27)
h
Body (34)
Invert
Remove body from vise and
invert.
Reclamp vise
9
Body (34)
a
New O-rings
Install
(26 and 25)
b
Two pins (22)
Install
c
Ring (21)
Install
Observe correct direction of
rotation
d
Rotor (23)
Install
Spline chamfer down
e
10 vanes (24)
Install
Install in rotor (23) with
rounded edges facing ring
(21)
f
Pressure plate
Install
Slide onto pins (22)
(20)
g
Spring (19)
Install
h
Cover (18)
Position
On body (34)
i
Four capscrews
Install
Tighten to 28 pounds foot
(17)
torque
j
Power steering
Remove
From vise
pump assembly
(3)
k
New gasket (16)
Position
l
Manifold (15)
Position
m
New washer (14)
Position
n
Screw (13)
Install
Tighten to 95 pounds inch
torque
INSTALLATION
10
Engine rear
a
Drive plate
Position
If removed
right side
(10)
3-291
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