OM-492 Page 23
5-10.Operating Engine Block Heater
! Do not touch hot engine
block. Engine block gets hot
near heater.
NOTICE − Do not run engine while
coolant heater is on.
1 Coolant Heater
2 Heater Plug
Use heater to maintain a constant
engine coolant temperature. See
table for heater specifications.
To turn on heater, connect heater
plug to a 120 volt ac grounded re-
ceptacle.
To turn off heater, disconnect plug.
Watts Volts ±10% Amps
400 120 3.3
Coolant Heater Specifications
Ref. 802 330 / 803 393
1
2
Notes
Over 80,000 trained
since 1930!
400 Trade Square East, Troy, Ohio 45373
1-800-332-9448 www.welding.org
Start Your Professional
Welding Career Now!