TM 9-4520-272-14&P
FIELD (UNIT) MAINTENANCE
LARGE CAPACITY FIELD HEATER (LCFH)
NSN 4520-01-500-1534
BATTERY
INSPECT, TEST, REPLACE
INITIAL SETUP:
Tools
Personnel Required
Tool Kit, General Mechanics (Item 2, WP 0092
MOS 63J or 52C
Test Set, Battery (Item 14, WP 0092 00)
Materials/Parts
Equipment Condition
Rag, cleaning (Item 4, WP 0119 00)
Heater shut down and cool.
Engine bay access door open.
Main battery switch OFF and handle removed.
WARNING
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.
WARNING
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.
INSPECT
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
battery cable in accordance with WP 0057 00.
TEST
Before replacing a battery, test using battery test set in accordance with the instructions included with the
device.
0058 00-1
