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 :
40
See Table
Adjustable Sup- a. Examine area around all welds for
Evidence of corrosion,
2-2
port Assembly
corrosion, cracking, distortion and
cracks, distortion and
damage.
damage around all welds.
b. Examine frame and hooks (150) for
Evidence of damage and
damage and distortion.
distortion in frame and
hooks.
c. Examine shoot bolts (151) for securi-
Evidence of shoot bolts
ty and freedom of operation.
not being secure and free
to operate.
d. Examine levelling screws (152) for
Evidence of wear and
wear and damage.
damage in leveling
screws.
e. Check the security of support pins
Support pins are not se-
(153) and also for heavy scoring. Ex-
cure and show signs of
amine chains for corrosion and secu-
heavy scoi;ilg. Chains are
rity.
corroded and not secure.
f. Examine support pin holes (154) for
Evidence support pin
wear and corrosion.
holes are worn and cor-
roded.
Change 2 2-38
