INTERMEDIATE PREVENTIVE MAINTENANCE CHECKS AND SERVICES

TM 11-5820-670-12

3 - 6 . ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES. (CONT)

Intermediate PMCS shall be performed once every intermediate interval. An intermediate interval is

defined as approximately 25 flight-hours. The intermediate PMCS performed on the radio set shall be

performed concurrently with the aircraft intermediate PMCS. Intermediate intervals can be adjusted to

compensate for unusual operating conditions. Equipment maintained in a standby (ready for immedi-

ate operation) condition must have intermediate maintenance performed at least once every 30 days.

Equipment in limited storage (requires service before operation) does not require maintenance.

ITEM

TO BE

NO.

INSPECTED

PROCEDURE

Mounting

Check ground straps and shock isolators for security of attach-

ment and check shock isolators for smooth operation.

NOTE

If aircraft engines are operated during operational check, an

authorized crewmember will start and operate engines. If

aircraft engines are not operated, use an auxiliary power

source to prevent excessive drain on aircraft battery. Refer

to the applicable aircraft manuals for connections and power

requirements.

Control Unit

Perform operational check step a (para 3-12) and check for

proper operation. If control unit does not work properly, refer to

troubleshooting (para 3-9) items 1 and 2.

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