BALLISTICS DRIVE INSTALLATION (CONT) - TM-9-1220-231-34-P0042

TM 9-1220-231-34&P

BALLISTICS DRIVE INSTALLATION (CONT)

4-5.

Procedure

Step

NOTE

The oversize screw holes in right support assembly (1)

lets right support assembly move back and forth from

right to left to set the correct distance from M32C

periscope. While moving right support assembly back

and forth, cross shaft (2) slides inside bearing of left

support assembly (3).

Using spacer gage (4), set correct distance between V-shaped output coupling (5) and left

outer machined surface of periscope mount by sliding cross shaft assembly (6) left or

right.

NOTE

While tightening screws (7) keep checking distance with

spacer gage (4) to make sure distance stays the same.

Using fabricated Allen wrench, alternately tighten eight screws (7) in right and left

support assemblies (1) and (3).

NOTE

Do step 3 only if new pins (8) are to be installed.

Use holes in left or right support assemblies as guide and using drill and bit, drill new

holes in turret pads.

Using punch and hammer, install pins (8).

GO TO FRAME 4

Vol II

4-10