TM 5-6675-322-14
Table 9-1.
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
NO.
13
TER-
VAL
B
ITEM TO BE INSPECTED
PROCEDURE
SUPPORT ITEMS - Cont
Optical Range Finder .
1.
Remove range finder from case.
2.
Inspect instrument for broken case or missing
parts and screws.
3.
Rotate range dial .
Observe free movement.
4 . A t t a c h s i x - p o w e r t e l e s c o p e b y a l i n i n g d o v e-
tail and pushing downward until positive lock
engages.
5.
Place eye to lens and focus. Observe clear
v i s i o n .
6. Observe yellow and blue images.
7.
Rotate range ring. Observe that yellow and blue
images move toward and away from each other.
For Readiness
Reporting,
Equipment Is
Not Ready/
Available If:
Case is
broken.
Parts and/or
screws are
missing .
D i a l w i l l
n o t r o t a te
Six power
telescope is
missing .
Unable to
focus .
No image
p r e s e n t .
Range ring
w i l l n ot
r o t a t e .
9-23
IN-
