TM 5-2420-224-20-2
S e c t i o n V I l . T R A N S M I S S I O N M A I N T E N A N C E
O V E R V I E W
This section illustrates and describes procedures for maintenance of the transmission and related parts.
A list of tasks contained in this section is shown below.
Page
All Wheel Drive Selector Valve Replacement . . . . . . . . . . . . . . . . . . . . . . . . . .
4-240
All Wheel Drive Pressure Regulator Replacement . . . . . . . . . . . . . . . . . . . . . . .
4-242
All Wheel Drive Control Cylinder Replacement and Adjustment . . . . . . . . . . . . . . . .
4-243
A L L W H E E L D R I V E S E L E C T O R V A L V E R E P L A C E M E N T
This task covers:
a. Removal b. Installation
I N I T A L S E T U P
Tools and Special Equipment:
TOOI Kit, SC 5180-90 -CL-N26
Materials/Parts:
Seal (6)
Equipment Condition:
Reference
Condition Description
Page 4-418
Cab Tilted
Page 2-23
Air Pressure Relieved
General Safety Instructions:
W A R N I N G
D o n o t d i s c o n n e c t a n y a ir
system lines or fittings unless
vehicle engine is shut off and
air system pressure is relieved.
To do so could result in injury
to personnel.
R E M O V A L
NOTE
Tag lines prior to removal to aid in installation.
1.
REMOVE three screws (1), six seals (2), and three air LINES (3) from all wheel drive selector valve
(4). DISCARD SEALS.
2.
REMOVE LEVER (5).
3.
REMOVE nut (6), two washers (7 and 8), and VALVE (4).
4-240
