TM 9-2350-287-20-1
ITEM
NO.
8
9
10
TABLE 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) FOR M992A1
S=SEMIANNUAL
A=ANNUAL
INTERVAL
S
s
A
ITEM TO BE
INSPECTED
FINAL DRIVE
UNIVERSAL
JOINTS
APU CHAINCASE
DRAIN
BUMP STOP
BRACKETS
PROCEDURE
a. Check for missing or broken
Iockwires (11) on mounting
bolts (1 2).
b. If missing or broken, tighten
mounting bolts (12) to 90 ft-lb,
then install Iockwires.
WARNING
APU engine is hot after operation.
Use caution when reaching into
APU compartment.
a. Open side APU access door
(refer to TM 9-2350-287-10).
b. Drain and refill APU chaincase
(Appendix G).
a. Check for loose mounting bolts (13)
on bump stops (14) with wrench.
b. If loose, tighten mounting bolts (13)
between 300 and 350 ft-lb (405 and
475 Nm).
NOT FULLY MISSION
CAPABLE IF
a. Any loose, missing, or
broken Iockwire or
mounting bolts.
2-21