ARMY TM 9-6675-349-12&P
MARINE CORPS TM 11039A-12&P
4-5. Explanation of Table Entries - Continued
Table 4-2. Operator Preventive Maintenance Checks and Services
NOTE Within designated interval, these checks are to be performed in
the order listed
B - Before
A - After
M - Monthly
D - During
W - Weekly
Item
Interval
Item to be
Procedure
Equipment Not
No.
Inspected
Ready/Available If
B
D
A
W
M
CAUTION
Cable connectors may be damaged by
improper operation. Release connectors by
turning locking ring counterclockwise.
Never turn the backshell. Align keyways
before mating connectors. Secure
connectors by turning locking ring
clockwise until it locks.
Pre-Turn On Checks and Services
1
Flashlight
Check operation of flashlight.
If flashlight does not
turn on equipment not
ready.
2
Porro-prism
Inspect porro-prism assembly for damage
assembly
or degraded reflectivity. Check leveling
mechanism for smooth operation
throughout its range and that level vial is
not damaged. Check that porro-prism cover
is securely latched.
3
Alignment
Check all t-handle bolts on the alignment
bracket
bracket assembly for hand tightness.
assembly
4
IPADS
Check that IPADS frame is securely
frame
fastened.
Initialization Inspection Perform
immediately after turn-on for each mission.
5
Power
Check BCU indicator lights for presence of
Vehicle power not
indicators
vehicle power.
present.