TM 5-6675-328-14
Table 2-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES - Cont
B - Before
W - Weekly
AN - Annually
(Number) - Hundreds of Hours
D - During
M - Monthly
S - Semiannually
A - After
Q - Quarterly
BI - Biennially
ITEM TO BE INSPECTED
For Readiness
ITEM
IN-
Reporting,
NO.
TER-
Equipment Is
VAL
PROCEDURE
Not Ready/
Available If:
SHORT-RANGE OPTICAL CALIBRATOR - Cont
1
B
Inspect - Cont
2.
Turn power on. Check that pilot light is illumi-
nated.
3.
Turn rheostat knob to right. Check that illumi-
nators brighten.
4. Check that cannon plug is firmly seated in socket.
5. Check optical plummet (OPC) control handle for
OPC is
proper operation.
broken.
6. Inspect collimators in upper, middle, and
lower tubes for security of mounting.
No
visible looseness or wobble.
Repair as
necessary.
7. Inspect leveling mirror for cracks, scratches,
and oil leaks. Check lock for proper operation.
2-15
