BALLISTICS DRIVE INSTALLATION (CONT)

TM 9-1220-220-34

4-5.

BALLISTICS DRIVE INSTALLATION (CONT)

FRAME 9

Step

Procedure

NOTE

If installing MIOA3 go to frame 10.

Turn the input shaft (1) on junction box assembly (2) to the right until it stops.

Turn input shaft (1) to the left for the number of turns stamped on the qualification

plate (3). The mark (4) on the input shaft (5) should line up with the index mark on

the qualification plate (3).

Push in on hand crank of ballistic computer and crank until the superelevation counter

reads zero (TM 10).

NOTE

If holes, in superelevation drive shaft (7) do not line up with holes in junction box assembly

input shaft (I) do not move the line up between the input shaft and the mark on the

qualification plate, do step 4. If holes are lined up, go to step 5.

Slide superelevation drive shaft (6) off ballistic computer output shaft (10). Install with

four holes on superelevation drive shaft (7) lined up with four holes on junction box

assembly input shaft (1).

Using 3/16" flat tip screwdriver. Install superelevation drive shaft (7) to input shaft (1)

with four screws (8) and four lockwashers (9).

GO TO FRAME 10

Para 4-5 Cont Vol II

4-32