TM 5-4610-218-12
Table 2-4.
Sight Glass and Sensitive Switch
Figure
Description
Location
Purpose
Symbol
No.
Raw water line
O b s e r v e water
SG-1
Oval sight glass
t r a n s p a r e n t 3/4
point of entry
c l a r i t y presence
in. npt
to erdlator
of air bubble
C l o s e circuit
SS-1
S e n s i t i v e switch
Mounted on top
w h i c h operates
type 30-20030
o f erdlator
buzzer and
wet well
light to warn
o p e r a t o r when
water in wet
well is low.
2-24
