TM 9-4520-272-14&P
FIELD (UNIT) MAINTENANCE
LARGE CAPACITY FIELD HEATER
NSN 4520-01-500-1534
24V ALTERNATOR ASSEMBLY WITH PULLEY
INSPECT, TEST, ADJUST, REPLACE
INITIAL SETUP:
Tools
Personnel Required
Tool Kit, General Mechanics (Item 2, WP 0092
MOS 63J or 52C
Materials/Parts
Equipment Condition
Tags, marking, MIL-T-12755 (Item 5, WP 0119
Heater shut down and cool (WP 0005 00)
except during TEST function
Main Battery Power Switch in the OFF position
and handle removed except during TEST
function
Engine bay access door open except during
TEST function
Negative battery cable closest to engine bay
access door removed from battery when
performing INSPECT, ADJUST, or REPLACE
functions.
INSPECT
1. Inspect the alternator belt (1) for damage or wear. Replace as required IAW procedures
detailed in section of this work package entitled REPLACE BELT.
2. Ensure that the alternator belt (1) is not loose, slipping, or can be deflected more than 1/4
inch up or down. If alternator belt requires adjustment, re-tension belt in accordance with
section of this work package entitled ADJUST.
1
0039 00-1
