TM 9-6115-660-13&P
Item
No.
1
2
3
4
5
6
7
8
Table 2-1. Description of Switch Box Controls and lndicators
Description
SYNCHRONIZING light
ON light for GEN SET 1 (front
generator set)
ON LINE light for GEN SET 1
(front generator set)
ON/OFF switch for GEN SET 1
(front generator set)
TRANSFER switch
ON/OFF switch for GEN SET 2
(rear generator set)
ON LINE light for GEN SET 2
(rear generator set)
ON light for GEN SET 2 (rear
generator set)
Function
Used to synchronize generator sets for transferring load. All
three lights are dark when only one generator set is operat-
ing. The lights simultaneously go from bright to dark and
back to bright in repeated cycles after TRANSFER switch (5)
is engaged while one generator set is on line and other is
ready to go on line. All three are again dark after load has
been transferred.
Lights when front generator set is supplying power to switch
box.
Lights when front generator set is supplying power to the
load.
Toggle switch, used to place front generator set on line when
generator set is ready or take it off line before shutting it
down.
Toggle switch, used to transfer load when one generator set is
on line and SYNCHRONIZING lights (1) indicate that other
generator set is ready to go on line.
Toggle switch, used to place rear generator set on line when
generator set is ready or take it off line before shutting it
down.
Lights when rear generator set is supplying power to the
load.
Lights when rear generator set is supplying power to switch
box.
2-3
