TM 9-1240-216-34
2-2. CHECKOUT (SHEET 3 OF 6)
LOOSEN ELEVATION
SETTING LEVER
(1).
SWING PERISCOPE
(ON MOUNT) OR
MOVE ELEVATION
LOCK ASSEMBLY
SEGMENT (2) (ON
WORK BENCH) UNTIL
IT STOPS.
CHECK MOVEMENT.
MOVES
SMOOTHLY
SEE CHAPTER 3,
SYMPTOM 2
TIGHTEN ELEVATION
SETTING LEVER
(1).
TRY TO MOVE
PERISCOPE (ON
MOUNT) OR
ELEVATION LOCK
ASSEMBLY SEGMENT
LOCK TIGHT
(2) (ON WORK
BENCH) TO CHECK
FOR TIGHT LOCK.
SEE CHAPTER 3,
SYMPTOM 3
Para 2-2 (Sheet 3 of 6)
2-3
Vol I
