Place front armor shield (1) on a level
surface with shield plate supported on two
blocks (2) of equal height. Place blocks about
21/2 inches (6 cm) apart with hole in plate
centered between blocks. Blocks must
support pintle flange of machine gun mount.
Place machine gun mount (3) on shield
plate (1). Install machine gun in mount.
Center machine gun in shield slot.
Place two 1/16-1/8 inch (2-3 mm) thick
spacers (4) between blocks and shield plate
so pintle flange is 1/16-1/8 inch (23 mm)
below shield plate.
Using a level, check to see that pintle
flange (3) and shield plate (1) are level.
Make sure machine gun is still centered in
slot. Remove machine gun.
Use a welding machine and tack weld pintle
flange to shield plate (1) in four places.
Then weld pintle to upper surface on plate
with not less than 3/16 inch (4 mm) fillet
weld all around pintle flange. Weld in
accordance with TM 9237.
Raise and lower machine gun mount. Check
for interference between ammunition tray
and shield plate. Use a hand grinder and
grind off plate, as needed.
Touch up any damaged areas with paint.
See TM 43-0139.
23. Install front shield (1) with machine gun
pintle on cupola support. Install travel
strap (5) and clamp (6) on right armor
END OF TASK