TM-9-2350-277-20-2

CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 2 OF 6

TM-9-2350-277-20-2 - Page 166 of 783

TM 9-2350-277-20-2

PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING

LUBRICATION INSTRUCTIONS — Continued

0155 00

0155 00-146

Change 5

ITEM

NO.

INTERVAL

MAN-

HOUR

ITEM TO BE

CHECKED OR

SERVICED

CREWMEMBER

PROCEDURE

EQUIPMENT

NOT READY/

AVAILABLE

IF:

m. Check heater control box, switches, and

light bulb. Tighten or replace bad switches

and bulbs (WP 0702 00).

n.

Start, run, and stop heater. See TM

9-2350-277-10. During start cycle, check

that switches and light work properly.

Check for increase in blower speed after

ignition.

o.

During operation, check for unusual noises.

Check for differences between high and

low heat levels.

p.

When stopping heater, check for correct

purge cycle. Verify that indicator light

operates properly. If heater does not operate

as specified above, perform troubleshooting

(WP 0086 00).