TM 9-2350-222-20-2-1
2-6.
SIGHTING AND FIRE CONTROL SEMIANNUAL (180 DAY) PREVENTIVE
MAINTENANCE
SUPPLIES:
Clean lint-free cloth
Cleaning solvent
PERSONNEL: One
REFERENCES: TM 750-116 for procedures to purge and charge instruments with dry nitrogen
LO 9-2350-222-12 for lubricating instructions
DA PAM 738-750 for procedure to record preventive maintenance forms
Step
Procedure
Reference
Item to be Inspected
Purge and charge periscpe
TM 750-116
Commander's Periscope
1.
M36
LO 9-2350-222-12
Lubricate hinges and hatch
Loader's Periscope M37
2.
mount.
TM 750-116
Purge and charge periscope
Gunner's Periscope
3.
M32C
TM 750-116
Purge and charge sight with
4.
Infinity Sight 8635466
dry nitrogen using Fire
TM 750-116
Purge and charge telescope
Telescope M105F and
5.
Telescope Mount M114
END OF TASK
Para 2-6
Change 3
2-17