TM 10-3510-222-24
3-76. TUMBLER BARREL - continued.
c.
INSTALLATION (Figure 3-74)
(1)
Position key (14) in trunnion assembly (18).
WARNING
Tumbler barrel is heavy/difficult to handle. To prevent injury, use two people to lift.
(2)
Position tumbler barrel (13) in cylinder (16), making sure that shaft (15) of tumbler spider slides into the
sprocket (17) of trunnion assembly (18).
(3)
Install retaining plate (11) with two flat washers (10) and screws (9) on shaft (15) of spider.
(4)
Secure screws (9) with safety wire.
(5)
Position cover plate (8) on trunnion assembly (18) and secure with three lockwashers (7) and screws (6).
NOTE
Clamp ring may be one or two pieces.
(6)
Position front cover plate (5) on cylinder (16) and install clamp(s) (4), screw (3), lockwasher (2) and nut (1) to
secure cover to cylinder.
(7)
Install platform anchor (Para 2-20).
3-179
