TM 5-4310-362-14
PRESSURE SWITCH (cont)
LOCATION/ITEM
ACTION
REMARKS
3.
Conduit (4)
Attach with conduit nut (5).
4.
Wires (6)
Attach to two right hand
terminals. (7)
5.
Cover (3)
Replace
6.
Unloader tube (8)
Connect
(Model 20-911 only)
7.
Drain cock on bottom
Open until pressure drops below
of air tank
100 psi, then close.
Compressor should start up if switch is
8.
Main power
Connect
Properly connected
6-14. PRESSURE
ADJUSTMENT
1. Drain cock (1)
a.
Open while watching pres
Compressor should cut in when pres-
sure gage (2).
sure drops below 160 psi.
Compressor should cut out when
b.
Close while watching pres-
pressure goes above 180 psi
sure gage (2)
.
NOTE
If cut-In pressure isn't 160
psi, or if cut-out pressure
isn't 180 psi, proceed to
the adjustment proce-
dure below.
6-16 Change 1
