FRAME 11

TM 9-2350-222-20-2-1

3-4.

SYNCHRONIZATION AND BACKLASH CHECK OF 165 MM GUN WITH

GUNNER'S PERISCOPE M32C-RAMP METHOD (CONT)

FRAME 11

Step

Procedure

Have driver return tank to level ground.

While Looking through breech boresight hole (1) with binoculars (2), lower gun below

target then slowly raIse gun (without over travel) until cross formed by threads (3) on

gun muzzle is lined up with target aiming point (TM-10).

While looking through daylight eyepiece of gunner's periscope, adjust boresight knobs (4)

and (5) to align aiming cross of reticle on same aiming point as gun (view A).

Write down settings of boresight knobs (4) and (5).

GO TO FRAME 12

Para 3-4 Cont

3-22