(9).
As necessary, Install orifice (30), spring (29), screw (28), o-ring (27), adjusting screw (11), o-ring (26), sight
dome (12), o-ring (25) and fill plug (24) in head (23).
(10).
Assemble ball (22) to adapter (21) and screw adapter into head (23). Screw siphon tube (20) on adapter
(21).
(11).
Install o-ring (19) and bowl (17). Turn bowl clockwise until release (18) locks into place.
(12).
Close drain valve (16). Remove drain plug (24) and refill bowl (17) with lubricant (or anti-freeze). Install
plug.
(13).
Close drain valve (1) and open valve (3).
4-3.3.3
Air Line Regulator. The air regulator sets the pressure in the air control system. Pressure should be
maintained between 110-130 psi during operation.
a.
Removal.
(1).
Close valve (3) and open drain valve (1) to release air pressure.
(2).
Loosen and remove connection blocks (9 and 13). Remove nuts (31), lockwashers (32) and screws (33) to
remove regulator (34) and bracket (35) from cabinet.
(3).
Push out roll pin (36), remove screw (37), lock (38), knob (39) and o-ring (40). Unscrew nut (41) and
separate the regulator from the bracket.
b.
Disassembly.
(1).
Unscrew gauge (42) from head (43).
(2).
Remove screws (44), and remove cover (45) from head (43). Remove adjusting stem (46), spring (47),
and diaphragm (48).
(3).
Remove plug (49), o-ring (50), spring (51), valve (52) and o-ring (53).
c.
Repair. Replace damaged or worn parts.
d.
Assembly.
(1).
Install o-ring (53) on valve (52) and place in head (43). Install spring (51), o-ring (50) and plug (49).
(2).
Place the adjusting stem (46) in the cover (45) and put spring (47) on stem (46). Position the diaphragm
(48) on the cover (45) so that the holes are aligned.
(3).
While holding the diaphragm in place, assemble the cover (40) to head (43) and install screws (44).
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