TM9-2330-374-14&P
Charging Air System.
c.
T h i s p r o c e d u r e m a y also be used when there is no air in
the air reservoirs of the semitrailer and the towing
vehicle is not equipped with air.
(1) R e m o v e c a p o n v a l v e ( 1 , f i g u r e 4 - 3 0 ) a b o v e p a r k i n g b r a k e c o n t r o l v a l v e
handle (2) on left side of semitrailer.
WARNING
D o not charge s y s t e m over 110 psi to prevent injury to
p e r s o n n e l a n d damage to equipment.
Charge air system to 60 psi
(2) C o n n e c t a i r c o m p r e s s o r w i t h a i r h o s e t o v a l v e .
to release brakes.
( 3 ) R e m o v e air compressor and replace cap on valve (1).
C h a r g i n g air system
INITIAL SETUP
Equipment Condition
Tools
Failsafes caged (para. 3-10)
General mechanics tool kit
a.
Block semitrailer with chock blocks to prevent movement.
SIowly loosen nut (1, figure 4-31) and washer (2) on release tool (3).
b.
R e m o v e nut (1) and washer (2).
