PERISCOPE MOUNT REPLACEMENT (Sheet 1 of 3)
Cleaning and Inspection
TOOLS: Flat-tip screwdriver
PRELIMINARY PROCEDURE: Close hatch cover (TM 5-5420-202-10).
Early vehicles are equipped with infrared periscope
mount. Late vehicles are equipped with night
Firmly support mounting plate (A) in position with one hand.
With other hand, use screwdriver to remove three screws (B) and three lockwashers
(C) from lower side of plate (A).
Shims (E) are positioned on top of mounting plate (A). Keep
mount plate (A) as level as possible when removing.
With both hands firmly supporting mounting plate (A), lower mounting plate from
Remove shims (E) from upper side of plate (A). Record number of shims positioned
at each location for installation purposes.
Go on to Sheet 2