TM 9-2350-247-20-1
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING
LUBRICATION INSTRUCTIONS — Continued
0128 00
ITEM
NO.
INTERVAL
MAN-
HOUR
ITEM TO BE
CHECKED OR
SERVICED
CREWMEMBER
PROCEDURE
EQUIPMENT
NOT READY/
AVAILABLE
IF:
f. Check heater control box, switches, and light
bulb. Tighten or replace bad switches and bulb
(WP 0474 00).
g. Start, run, and stop heater (see your –10).
During start cycle, check that switches and
lights work properly.
h. During operation, check for unusual noises.
Check for increase in coolant temperature.
i. When stopping heater, check for correct purge
cycle. Check that indicator light works right. If
heater does not operate as specified above,
perform troubleshooting (WP 0086 00).
0128 00-75
