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Fig. 2
DET
AIL B
DET
AIL A
DET
AIL C
71
A
14
B
72
C
D
25
E
64, F
40
75k
75f
75p
75q
75l
75m
75n
75h
75b
75b
75c
75a
75e
75d
75j
K
1
Y
MAIN
AIR SUPPL
Y
25
75h
D
75l
75m
75n
Ref No. 75 includes
items 75a–75q.
G
75h
75b
75c
75a
70
9
H
L
INST
ALL BLEED–TYPE MASTER
AIR V
AL
VE (J) A
T PUMP AIR IN
-
LET
, DOWNSTREAM FROM ALL
OTHER AIR ACCESSORIES
AIR
SUPPL
Y
HOSE
AIR
SUPPL
Y
HOSE
9
307–636
Installation
WARNING
Never
connect a spray hose to these valves. They
are for use only as drain valves, to relieve system
fluid pressure.