FIELD (UNIT) MAINTENANCE
LARGE CAPACITY FIELD HEATER (LCFH)
INSPECT, TEST, REPLACE
Tool Kit, General Mechanics (Item 2, WP 0092
MOS 63J or 52C
Heater shut down and cool.
Engine bay access door open.
Main battery switch OFF and handle removed.
Leather gloves and eye protection must be worn when performing
maintenance involving batteries. Failure to do so could result in serious
injury to eyes or hands.
Disconnect the negative battery terminal on the battery closest the engine
bay access door before performing maintenance involving the batteries.
Failure to do so may result in shock or other serious injury.
1. Inspect the batteries for any cracks or breaks that would allow battery fluid to leak from the batteries.
Replace any damaged batteries.
2. Inspect the terminal connections (1) to ensure that there is no corrosion that would prevent a good
electrical connection. Clean any corroded terminal connections as detailed in WP 0057 00.
3. Inspect the battery cables (2) going into the terminal connections to ensure that all conductors in the
cable are unbroken and not corroded. Clean or trim cable as detailed in WP 0057 00, or replace
Before replacing a battery, test using battery test set in accordance with the instructions included with the