ARMY TM 5-5420-212-23
MARINE CORPS TM 08676A-23/2
TABLE 2-3. Unit Preventive Maintenance Checks and Services (Continued)
Item
Item To Be
Not Fully Mission
No
Interval
Checked Or Serviced
Procedure
Capable If :
30
See Table
Anchorage Pin
a. Examine pin for excessive wear or
Evidence of excessive
2-2
Assembly
scoring.
wear or scoring on pins.
b. Examine lug for weld damage and pin
Evidence of weld-dam-
holes for wear and corrosion.
age on lug and wear and
corrosion in pin holes.
c. Check security of retaining pin and
Retaining pin and dip are
dip.
not secure.
31
See Table
Launching Nose
a. Examine pin for excessive wear and
Evidence of excessive
2-2
Pin
scoring.
wear and scoring on pin.
b. Check for damage and distortion.
Damage and distortion of
launching nose pin.
32
See Table
Double Story
a. Examine area around all welds for
Evidence of corrosion,
2-2
Baseplate
corrosion, cracking, distortion and
cracks, distortion and
damage.
damage around all welds.
b. Check ball (121), nose pin holes
Ball, nose pin holes and
(122) and levelling screw hole blocks
levelling screw hole
(123) for security, wear and corro-
blocks are not secure;
sion.
show wear and corrosion.
c. Check frame (124) for distortion.
Frame is distorted.
Change 2 2-31
