TM 5-2420-224-20-2
A L L W H E E L D R I V E P R E S S U R E R E G U L A T O R R E P L A C E M E N T
General Safety Instructions:
This task covers:
a. Removal b. Installation
I N I T I A L S E T UP
Tools and Special Equipment:
Tool Kit, SC 5180-90-CL-N26
Materials/Parts:
Seal (2)
Retainer
Packing
Equipment Condition:
Reference
Condition Description
Page 4-418
Cab Tilted
Page 2-23
Air Pressure Relieved
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 i r
system lines unless all wheel
drive selector switch is in two
w h e e l d r i v e a n d a i r s y s t e m
pressure is relieved. To do so
c o u l d r e s u l t i n i n j u r y t o
personnel.
R E M O V A L
1.
REMOVE fluid passage BOLT (1) and two
seals (2). DISCARD SEALS.
2.
LOOSEN UNION (3) and Disconnect
HOSE (4).
3.
REMOVE two nuts (5), two washers (6), two
capscrews (7), and pressure regulator VALVE
(8).
4.
REMOVE FlTTING (9), retainer (10), and packing
(11). DISCARD RETAINER and PACKING.
I N S T A L L A T I O N
1.
INSTALL new packing (11), new retainer (10),
and FITTING (9).
2.
INSTALL pressure regulator VALVE (8), two
capscrews (7), two washers (6), and two nuts
(5).
3.
CONNECT HOSE (4) and TIGHTEN UNION (3).
4.
INSTALL two new seals (2) and fluid passage
BOLT (1).
NOTE
Follow-on Maintenance:
Lower cab (page 4-418).
4-242
