C 2, TM 9-6650-221-35
CHAPTER 6
EQUIPMENT ISSUED WITH TANK PERISCOPE XM47
Section I. DESCRIPTION
serviced by the one washer, pump, and reservoir
6-1. General
assembly.
Equipment issued with periscope M47 includes mount
a. The mount assemblies are secured to the inside
assembly 6650-906-7944, seal assembly 10513439,
of the vehicle turret beneath a cutout provided for
washer, pump, and reservoir assembly 8589793 and
mounting the periscope.
wiper assembly 6650-906-7943. The relationship of this
b. The seal assemblies are mounted on the outside
equipment on the M551 vehicle is shown in figure 6-1.
of the turret and provides protection against the entry of
water and other foreign matter.
6-2. Specific
c. The washer, pump and reservoir assembly is
There are three mount assemblies, seal assemblies, and
mounted completely inside the turret and serves the
wiper assemblies, and one washer pump, and reservoir
three wiper assemblies through tubing from the reservoir.
assembly provided for each M551 vehicle.
Each
d. The wiper assemblies are electrically operated
combination of mount, seal, and wiper assembly
and drive wiper blades through 160 of sweep across the
accommodates one periscope. All three periscopes are
exposed optical surfaces.
6-1
