TM 3-4240-334-20&P

TM 3-4240-334-20&P
2-7. FACEPIECE ASSEMBLY ADJUSTMENT (CONT).
CAUTION
Use care when installing IPD staples. Staples can scratch eye lens material.
12. Select and install IPD staple, if required, as follows:
(a)
Obtain test button (11) from plastic bag.
NOTE
Staple size is located on top of staple and behind keyway.
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
(j)
(k)<
Obtain staple number 61 (12), or appropriate size, if soldier knows his staple size, from plastic bag.
Insert test button (11) into keyway of staple (12) from the top (numbered side of staple).
Using test button (11), position staple (12) over IPD staple posts (13) located on facepiece
assembly (14).
On facepiece assembly (14), pinch bridge of nose or spread lenses apart, as required, to aline holes
in staple (12) with IPD staple posts (13).
Using test button (11) install staple (12) on IPD staple posts (13).
Check staple fit for comfort and optimal vision. If staple fit is comfortable and vision is optimal,
proceed to step l; otherwise, perform steps h thru k.
Using test button (11) remove staple (12) from IPD staple posts (13).
Remove test button (11 ) from staple (12).
If staple fit is too tight over bridge of nose, obtain next larger size staple (12) from plastic bag. If
staple fit is too loose, obtain next smaller size staple from plastic bag.
Repeat steps d thru g as required until staple fit is comfortable and vision is optimal.
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