2
1
3
TM 9-4940-568-10
2-74
2-17. GENERATOR ENGINE BLOCK HEATER OPERATION.
a.
Engine Block Heater Start-up.
The coolant heater must not be operated while the cooling system is empty or damage to
the heater will occur.
Ensure the source of power voltage rating is correct for the heater element rating
(110 VAC).
NOTE
Coolant tank heater is used to keep engine coolant warm when engine is not running.
(1)
Route power cord (1) from coolant tank heater (2) through generator set enclosure (3).
(2)
Connect power cord (1) to external power source (110 VAC).
b.
Engine Block Heater Shutdown.
(1)
Disconnect power cord (1) from external power source (110 VAC).
(2)
Pull power cord (1) through generator set enclosure (3) and stow with coolant tank heater (2).