TM 3-4240-284-20&P
2-11. M10 PROTECTIVE ENTRANCE - MAINTENANCE INSTRUCTIONS (CONT).
ACTION
ITEM
LOCATION
lNSPECTION/REPAIR (CONT)
Press suspect crack areas on outside of shell with a
Top and bottom
M10 Protective
block of wood to expose end point of cracks for techni-
Entrance
shells
cian inside entrance.
DRILLED
STOP HOLES
Drill a 1/8-inch diameter stop hole through shell from
inside entrance at endpoint of each crack. See detail A.
Reinstall screws (1), pads (2), and retainer
assemblies (3).
DETAIL A
2-62.2 Change 1