TM 5-4310-372-14
4-24.
1.
2.
3.
Combination Unloader c.
Regulator Adjustments:
and Check Valve-cont.
a a . -
bb .
cc.
Loosen jam nuts
16,21
The unloading pressure
can be adjusted by spring
housing (15). Turn clock-
wise to increase and
counter-clockwise to
decrease pressure.
T h e d i f f e r e n t i a l ( d i f f e r-
ence between cut-in and
cut out pressure) is
obtained by adjusting the
d i f f e r e n t i a l s c r e w ( 1 9 ) .
Turning clockwise will
widen the differential
and counter-clockwise
will narrow the differ-
e n t i a l .
The valve shall unload the compressor when
t h e r e c e i v e r p r e s s u r e r e a c h e s 1 9 5 p s i , + / -5
p s i ( 1 3 . 7 1 k g / s q . c m . , + / - . 3 5 ) . T h e v a l ve
shall again allow the compressed air to enter
t h e r e c e i v e r w h e n t h e p r e s s u r e f a l l s b e l ow
175 psi, +/-10 psi (12.31 kg/sq.cm. +/- .70).
dd .
After adjustments
16,21
are made, tighten
)
jam nuts (16 & (21)
Pneumatic Actuator
a.
Reinstall brace on
gas engine.
b.
Reinstall cylinder using
nut originally removed.
Air Control Line
a.
R e i n s t a l l s h u t - o f f v a l v e.
b .
R e i n s t a l l a i r l i n e u s i ng
original or replacement
f i t t i n g s .
c.
Secure with tubing clamp.
10
8,9
6
5
4
4-33
