TM 9-2350-256-103-7. VISION DEVICES-Continued.(e)Press lever (9) and removeperiscope (8) from mount (10).CAUTIONStow battery in periscope stowagebox when not in use. Battery mayleak and damage periscope.NOTEIf battery power has been used,dispose of battery in accordance withSB 11-30 after each night's operation.Normal battery life is 6 to 8 hours.(f)Remove battery cap (11) andensure battery has been removed.Reinstall battery cap.(g)Install snap-on lens cover (6).(2)Installation.CAUTIONDo not expose objective lens to direct sunlight or bright light.(a)Close and lock driver's hatch.(b)Remove snap-on lens cover (6) and stow in periscope stowage box.(c)Remove battery cap (11) and ensure battery has been removed. Reinstall battery cap.3-42
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