TM 9-2350-222-20-2-1
3-4.
SYNCHRONIZATION AND BACKLASH CHECK OF 165-MM GUN WITH GUNNER'S
PERISCOPE M32C6/M32CE1-RAMP METHOD
NOTE
This procedure can be performed using the M32C or
M32CE1 periscope. Whenever the M32C is mentioned it
will also be in reference to the M32CE1. Only the M32C
periscope is shown.
TEST EQUIPMENT: Gunner's Quandrant M1A1
Black thread
SUPPLIES:
Paper
Pencil
Tape or strap
PERSONNEL: Two
TM 9-2350-222-10 for procedures to:
REFERENCES:
Insert breech boresight into breech chamber
s
Remove/install gunner's periscope heed
Open and close breech
Manually traverse turret and elevate/depress gun
TM 9-1290-200-14&P for procedures to calibrate and use Gunner's Quadrant M1A1
EQUIPMENT LOCATION INFORMATION:
FOLDOUT
CALLOUT
EQUIPMENT
1
FO-1
Gunner's Periscope
2
FO-1
Gunner's Control Box
EQUIPMENT CONDITION: Sighting system components installed
When placing gun on target, move gun to target from low to high and
GENERAL INSTRUCTIONS:
from right to left to keep backlash out of sighting system. If required
gun position is passed (over travel), move gun below or to the right of
target and again move gun to target.
Para 3-4
3-10 Change 1
