TM 9-2350-222-10-2
PREPARE TO OPERATE VEHICLE (PREPARE CREW STATIONS) - Continued
4. Unscrew thumbscrew (J) until threads do not show at point (K). Loosen
knob (L).
CAUTION
Keep a firm grip on periscope (H) until it is locked
securely in mount.
5. Lift periscope (H) carefully into mount opening. Position viewing window
(M), on top of periscope, away from periscope lid (D).
CAUTION
Once periscope (H)I: is installed, do not open loader's
hatch until periscope is removed.
6. Push up on periscope (H) until left and
right trunnions (N) are in retainers (P).
TA132297
2-157