TM 3-4240-334-20&P
TM 3-4240-334-20&P
TM 3-4240-334-20&P
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<strong>TM</strong> 3-<strong>4240</strong>-<strong>334</strong>-20&P<br />
Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES FOR M43A1 (CONT)<br />
Item<br />
No.<br />
Interval<br />
Item to<br />
Check/Service<br />
Procedure<br />
Not Fully Mission<br />
Capable If:<br />
6<br />
Semi-<br />
Annual<br />
LENSES<br />
a.<br />
Check lenses (1) for cracks,<br />
cuts, scratches, or stains that<br />
affect vision.<br />
Lenses are cracked, cut,<br />
scratched, or have stains that<br />
affect vision.<br />
b.<br />
Check that mounting pins (2)<br />
are straight and mounted<br />
securely in faceblank (3).<br />
Mounting pins are bent or loose<br />
in faceblank.<br />
NOTE<br />
If IPD staple is missing,<br />
bent, broken, or needs to<br />
be up-sized or down-sized,<br />
see para 2-7 (12).<br />
c.<br />
If lens cushions (4) were<br />
installed, make sure they are<br />
securely attached without<br />
having edges folded up.<br />
2-22
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