A C C E S S O R Y A I R S U P P L Y O V E R F L O W V A L V E A N D F I T T I N G S
R E P L A C E M E N T
This task covers:
a. Removal b. Installation
I N I T I A L S E T U P
Tools and Special Equipment:
Shop Equipment, SC 4910-95-CL-A74
Tool Kit, SC 5180-90-CL-N26
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
R E M O V A L
Tag all lines prior to disconnecting to aid in connecting.
DISCONNECT HOSE (1) and LINE (2) from valve assembly (3).
REMOVE fluid passage bolt (4), seal (5), TUBE assembly (6), seal (7), TUBE assembly (8), and seal
(9) from valve assembly (3). DISCARD SEALS.
REMOVE nut (10) and VALVE assembly (3) from frame crossmember (11).
REMOVE packing (12), ADAPTER (13), washer (14), reducer (15), packing (16), and retainer (17) from
valve assembly (3). DISCARD PACKINGS and RETAINER.
REMOVE REDUCER (18), packing (19), and retainer (20) from valve assembly (3). DISCARD
PACKING and RETAINER.