Section III. INTERMEDIATE GENERAL SUPPORT PREVENTIVE MAINTENANCE CHECKS AND SERVICES

TM 55-1905-223-24-17

d. Remove protective caps, plugs, inserts, wrappings, and tape when inspection/inventory is

completed. Inspect piping openings for damage. Wipe off dirt, grease, or protective films at time of

installation.

e. Remove chocks from resilient mounted components.

4-5.

Initial Setup Procedure. Includes operational checks and inspections that are not performed for a

routine startup. Direct support maintenance personnel will perform initial setup in accordance with the

operator's manual, TM 55-1905-223-10.

4-6.

Normal Startup. Refer to the operator's manual, TM 55-1905-223-10.

4-7.

Shutdown Procedure (Usual or Unusual). Refer to the operator's manual, TM 55-1905-223-10.

Section III. INTERMEDIATE GENERAL SUPPORT PREVENTIVE MAINTENANCE CHECKS AND

SERVICES (PMCS)

4-8.

PMCS. There is no PMCS at the general support level. See Chapter 2, Section III.

SECTION IV. INTERMEDIATE GENERAL SUPPORT TROUBLESHOOTING

4-9.

Troubleshooting. Both a symptom index and a troubleshooting table are provided. The symptom index

will help you locate the information you need for troubleshooting.

SYMPTOM INDEX

Troubleshooting

Procedure

(Table 4-1)

HEATING

Excessive noise or vibration

Item 1

Fan does not operate

Item 2

AIR CONDITIONING

Cold or frosted liquid line (or line component)

Item 9

Compressor crankcase cold (sweating or

Item 7

frosting)

Compressor noises

Item 15

Compressor motor hums but does

Item 11

not start

Compressor runs continuously

Item 14

Compressor short cycles on high pressure cut-out

Item 12

Compressor short cycles on low pressure cut-out

Item 13

Compressor will not start

Item 10

4-2