TM 9-1240-400-34&P
5-5.
CATEGORIES OF INSPECTION (CONT).
c. Table 5-1 lists initial inspection procedures for the M137 telescope mount. Final inspection procedures are
d. reembarkation inspection procedures are located on
page 5-70.
Table 5-1. INITIAL INSPECTION-M137 TELESCOPE MOUNT
ITEM NO.
ITEM T0 BE INSPECTED
PROCEDURE
1
M137 Telescope Mount
Inspect for good overall appearance with
all parts
securely tightened in place. Check that electrical
2
Mounting Surfaces
Inspect for burrs and corrosion; must be
free of burrs
and corrosion.
3
Decal and Identification
clearly
Plates
defined.
4
Cross-Level Assembly
Rotate cross-level assembly knob. It
must turn
smoothly with less than 11.00 in.-lb (1.24 N-m)
torque. Backlash must not exceed 1.0 mil. The
mount must travel freely through an angle of 20
degrees (355.6 mils) to the right and 20 degrees
(355.6 mils) to the left. The mount must make cant
(cross-level) corrections left and right as follows:
5-2