TM 9-2350-261-20-1
Item
No.
7
8
Table 2-1. Unit Level Preventive Maintenance Checks and Services for M113A2 FOV
Interval
Semi-
Annual
Semi-
Annual
Item To
Be
Inspected
Track
Pin/Nuts
Track
Grouser
Procedure
Check track pin nuts for looseness or
cracks. Replace cracked nuts. Check
track pins for stripped threads. Re-
place stripped track pins. Tighten
loose nuts to 115-135 Ib-ft (156-183
N.m)torque. Use torque wrench(Item
96, Appendix D).
Check grouser for wear or cracks on
both tracks.
Replace track shoe if
grouser measures less than 1/8”
(3mm) in height or is cracked.
Not Mission
Capable If
Any pin/nuts that
are cracked,broken,
bent,
stripped,
missing or protrud-
ing.
Grouser is worn be-
low 1/8''or cracked.
2-48 Change3
