TM 9-2350-261-34
R E P A I R CO MMANDER’S HATCH COVER HINGES (M577A2 ONLY)
DESCRIPTION
This task covers:
Remove (page 8–18).
Install (page 8-19).
INITIAL SETUP
Tools:
Personnel Required:
Metal Worker’s Tool Kit (Item 61, App B)
Metal Worker 44B10
Adapter (Item 2, App B)
Electrical Disc Sander (Item 77, App B)
References:
Industrial Goggles (Item 37, App B)
See your -20
Trailer Mounted Welding Shop
TM 43-0139
(Item 96, App B)
TM 9-237
Welder’s Gloves (Item 36, App B)
Welder’s Helmet (Item 42, App B)
Equipment Conditions:
Materials/Parts:
Hinge
Welding Electrode (Item 83, App C)
Commander’s hatch cover removed from
carrier (see your -20)
Battery ground disconnected (see your –20)
REMOVE
1. Remove and discard broken hinge part (1, 2,
or 3) from hatch cover (4).
WARNING
Metal chips and grinding
dust can cause injury. Wear
goggles and gloves.
2.
3.
Use a machinist’s hammer and a cold chisel
to chip off remaining part of bad hinge from
hatch.
Use a disc sander to sand chipped area
smooth and remove any hard coating from
weld area.
8-18
