Set generator circuit breaker to ON position.
Turn rotary switch on switch box to GEN 1 or GEN 2 position, as applicable.
To stop operation, move rotary switch and generator set circuit breaker to OFF position. Shut down
generator set. (Refer to TM5-6115-615-12).
Dual generator set operation. Use the switch box to alternately operate both generator sets as follows:
Make sure power and ground cables are connected to switch box and both generator sets.
Select first generator set to be used and bring it into operation in accordance with paragraph 2-1b(1),
steps (b) thru (d).
Start second generator set and bring it up to rated speed, voltage and frequency. (Refer to TM5-
Both generator set lights on switch box panel will be on whenever both generator sets are
running and providing power to load, regardless of rotary switch setting.
Move switch box rotary switch to GEN position corresponding to second generator set.
Set circuit breaker on first generator set to OFF position and shut down generator set. (Refer to
To stop operation, move rotary switch to OFF position and open circuit breaker on generator set still
running. Shut down generator set. (Refer to TM5-6115-615-12).
Trailer Operating Procedures. Refer to TM9-2330-202-14&P for specific operating procedures for the M116A2