TM 10-3930-641-20
ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (CONT)
(Sheet 22 of 30)
LOCATION
ITEM TO
ITEM
CHECK/
NOT FULLY MISSION
NO.
INTERVAL
MAN-HOURS
PROCEDURE
CAPABLE IF:
SERVICE
39
2,000 Hours or
Vibration
Inspect damper. Marks (7) on damper hub and ring
Annual
Damper Pulley should aline. If not, replace damper. (See page 2-
155.)
7
7
422-0050
40
2,000 Hours or
Engine Valve
Notify Direct Support Maintenance to adjust engine
Annual
Lash
valve lash.
Go on to Sheet 23
Change 2
2-24.3