Section IV. UNIT PREVENTIVE MAINTENANCE CHECKS AND
Unit PMCS is performed upon receipt and in accordance with table 2-1. Record all defects found during the
performance of PMCS and, if applicable, the steps taken to correct them on DA Form 2404, Equipment
Inspection and Maintenance Worksheet. Instructions for reporting/correcting noted deficiencies are
contained in DA PAM 738-750.
Unit Level Preventive
M - MONTHLY Q - QUARTERLY S - SEMIANNUALLY Y -YEARLY
Not Fully Mission
Hydraulic motors, hoses, tubing and fittings may be hot. Avoid contact to prevent injury to
To prevent injury to personnel, hearing protection is required when system is operating.
Perform PMCS on ECV per TM
ECV fails PMCS.
Check belt for cracks and fraying
Belt cracked, fraying
or loose. Teeth
per TM 9-2320-387-10. Check
missing. Belt doesn't
for missing teeth. Check belt
Auxiliary power pack
Check current of auxiliary power
If adjustment can't be
(in passenger side
RPM can't be set to
Remove return air screen per
side rear cover to inspect outlet
air duct boot.