TM 9-1240-400-34&P
13 Carefully remove observation windows (28 and only
if damaged.
CLEANING
Clean all parts per TM 9-254.
REPAIR
1
If cover is broken, damaged, or missing, repair is by replacement of next higher assembly.
2
Repair is by replacement of authorized parts as required. Refer to appendix B.
REASSEMBLY
1
If removed, apply sealing compound (item 10,
appx C) to edges of observation windows (1 and
2).
2
Install observation windows (1 and 2) in cover
(3). Remove excess sealing compound.
5-21
