CATEGORIES OF INSPECTION (CONT).
Table 5-1. INITIAL INSPECTION-Mi37 TELESCOPE MOUNT (CONT)
ITEM T0 BE INSPECTED
Elevation Counter Operate mount through 1333 mils elevation and
minus 89 mils depression. Counter must be accurate
within 0.5 mils as read on the gunner's quadrant.
Counter numbers must be alined within 1/6 in. (1.59
Counter must add or subtract an equal
mils (5 and 9) from the elevation counter. The
correction counter must be accurate within 0.2 mil at
the plus and minus 2, 5, and 9 mil settings. Counter
numbers must be alined within 1/16 in. (1.59 mm).
Elevation and Cross-Level
Elevation bubble and cross-level bubble must be
centered within 1 graduation for each vial.
Must illuminate sufficiently to clearly define markings
on counters and level vials.