TM 9-3990-260-14&P
Table 4-1. Unit Maintenance Preventive Maintenance Checks and Services - Continued
Location
Procedure
Not Fully Mission
Item
Interval
Item to
Capable If:
No.
Check/Service
Bail bar may have metal slivers or sharp edges. Wear gloves if handling or injury to
personnel could result.
2
Semi-
Check bar and notify supervisor:
M3 CROP Bail
Annually
Bar
a. If wear at lower back side bar (4) is
Wear found exceeds
greater than 1/4 in. (6.35 mm).
specification.
b. If wear at bottom of bar (5) is greater
than 1/8 in. (3.175 mm).
3
Semi-
Bracing
a. Ensure cams (6) are not bent or
a. Cam is broken or so
Annually
Mechanisms
broken so they will not engage the shor-
bent it cannot be
ing slot.
engaged in the shoring
slot.
b. Ensure securing pins (7) and spring
b. Securing pin or
pin clips (8) are available and secured
spring pin clip, is miss-
by lanyard.
ing.
c. Threaded shaft is
c. Ensure threaded shaft (9) can be
bent, jammed, or other-
turned both in and out tightening and
wise cannot be turned
loosening the cam in the shoring slot.
both in and out.
4-7