MODEL 85-204 AIR CONTROL UNIT
2/0
(Used to regulate both the fluid pressure on tank and atomization pressure to spray gun)
Figure 4.
Model 85-204 air control unit.
PART
PART
NO.
DESCRIPTION
QTY.
NO.
DESCRIPTION
QTY.
83-2675
9 BODY ..........................................
1
72-55
14
ADAPTER ....................................
1
85-200
1 AIR REGULATOR ........................
1
72-1268
4
NIPPLE ........................................
1
85-201
5 AIR REGULATOR ........................
1
72-81611
2
AIR VALVE ..................................
1
86-8
10 VALVE .........................................
1
72-81712
13
AIR VALVE ..................................
1
86-9
11 BODY ..........................................
1
83-1290
15
GAUGE........................................
2
86-10
12 STEM...........................................
1
83-1512
6
NUT .............................................
1
86-558
3 PLUG ...........................................
1
83-1879
8
VALVE .........................................
1
86-563
7 ELBOW........................................
1
83-2052
16
GAUGE LENS (Glass) .................
2
OPERATION: To increase pressure on the fluid, turn 85-201 Regulator Knob CLOCKWISE.
To decrease pressure
on the fluid, turn regulator knob COUNTER-CLOCKWISE.
NOTE: To rapidly vent the tank, open 86-10 Stem.
Spray gun atomization air is regulated by the 85-200 Regulator.
MAINTENANCE: Occasionally remove the 85-335 Cap (see reverse side of this sheet) to clean out the 85-164 Screen.
Do not tamper with the 83-1879 Valve. If valve fails to operate satisfactorily, it must be replaced.
14