BALLISTICS DRIVE INSTALLATION (CONT)

TM 9-1220-220-34

4-5.

BALLISTICS DRIVE INSTALLATION (CONT)

FRAME 8

Step

Procedure

NOTE

Do steps 1,2, and 3 for M10A3 only.

Turn the superelevation box output shaft (1) fully clockwise, then, turn counterclockwise

to the number of turns marked on qualification plate (2).

Aline mark on output shaft (1) with index mark on qualification plate (2).

Set electronic computer to zero" elevation.

Using 3/16" flat tip screwdriver, install shaft (3) on superelevation box output shaft (1)

with four screws (4) and four lockwashers (5).

Using 3/16" flat tip screwdriver, install shaft (3) on junction box assembly (6) (install

shaft (3) on inner drive shaft of electronic computer for M10A3) with four screws (7)

and four lockwashers (8).

GO TO FRAME 9

Para 4-5 Cont Vol II

4-30