TM 5-2420-224-20-2
TANDEM VALVE REPLACEMENT
This task covers:
a. Removal b. Installation
INITIAL SETUP
Tools and Special Equipment:
Tool Kit, SC 5180-90-CL-N26
Materials/Parts:
Seal (4)
Nut, Lock
Equipment Condition:
Reference
Condition Description
Page 4-388
Outside Engine Hood
Removed
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 i r
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 all lines prior to disconnecting to aid in connecting.
1.
2.
3.
4.
5.
REMOVE hollow SCREW (1) and two seals (2)
DISCARD SEALS.
LOOSEN NUT (5) and DISCONNECT air LINE
LOOSEN NUT (7) and DISCONNECT air LINE
and DISCONNECT air LINE (3) from tandem valve (4).
(6) from tandem valve (4).
(8) from tandem valve (4).
REMOVE lock nut (9), washer (10), capscrew (11), and tandem VALVE (4) from bracket (12).
DISCARD lock NUT.
REMOVE two FITTINGS (13) and two seals (14) from tandem valve (4). DISCARD SEALS.
4-322
