TM 5-3610-253-14
d. Check to be sure numbers are not upside down.
e.
Install holddown bracket and retain with screws.
f. Adjust OMI as follows:
(1) Check to be sure screen is fully illuminated. If not, adjust the
position of the light bulb.
(2) Check image focus on OMI.
If image is out of focus, objective lens must
be adjusted as follows:
(a) Remove four screws which secure cover to OMI housing and remove
cover.
(b) Loosen stop screw on objective holder and focus image by moving
objective lens up or down.
(c) Tighten stop screw.
(d) Install cover and secure with four screws.
(3) Move knife change lever to knife change position.
(4) Jog knife blade to low deadpoint position by intermittently depressing
and releasing cut buttons.
(5) Place 12 in. rule on table behind knife. Position rule so that it is
perpendicular to and touching knife at approximate midway point of length of knife.
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