TM 5-4610-223-12
Table 2-3. Manually Operated Electrical Controls - Cont
Description
Location
Purpose
Toggle switch, 120 volt.
Mounted in roof panel
Bypass blackout,
opposite right front
turn on-off-on
door.
(3 positions)
Circuit breaker.
Inside control cabinet.
Turn van body lights
and heater, on-off
Thermostat
Right rear corner of van
Control personnel
body ceiling.
heater
Toggle switch
Front heater control
Start-stop personnel
panel.
heater (Hunter)
Single pole spring
Mounted on door frame
Turn blackout lights
loaded plunger type
above right front and
off when doors are
switch.
left rear door.
open
Table 2-4. Sight Glass and Sensitive Switch
Symbol
Description
Location
Purpose
SG-1
Oval sight
Raw water line point
Observe water
glass trans-
of entry to erdlator
clarity presence
parent 3/4 in
of air bubble.
npt.
SS-1
Sensitive
Mounted on top of
Closes circuit
switch,
erdlator wet well
which operates
type
buzzer and
30-20030
light to warn
tapped 1/2
operator
in. npt.
when water in
wet well is low.
2-8
