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|  MIL-T-62110G
0.375 inch by 1.25 inches shall be welded to the vertical side plates. Three bars shall be located
on the top and spaced equally on the top radius, and three bars shall be located on the bottom and
spaced equally on the bottom radius. The vertical distance between the vertical side plates and
the drum flanges shall be not more than half the specified cable diameter.
3.4.22.2 Front bumper. The bumper shall be mounted forward of the winch. The open
area on either side of the winch shall be covered with a combination step plate and gravel guard.
The bumper shall be either a channel or pipe type. When a pipe type front bumper is furnished,
the nominal diameter shall be not less than 3 inches, and shall have a wall thickness of not less
than that specified in Schedule 40 of ASTM A120. The pipe type front bumper shall have
half-round ball ends.
3.4.22.3 Combination step plate and gravel guard. A combination step plate and gravel
guard fabricated of not less than 14 gage (0.0747 inch) steel tread plate exclusive of the
projections shall be furnished. The step plate shall be secured to the front bumper and shall be
not less than 0.25 inch and not more than 0.375 inch from the chassis sheet metal. The step plate
shall be capable of supporting 300 pounds per square foot. The step plate shall not deflect more
than 0.1250 inch under the loads imposed.
3.4.22.4 Winch reel. A reel for payout and takeup shall be provided. The reel shall be
designed to operate from the end of the extended winch shaft. Reel yokes shall be controlled by
a handle at the end of the reel shaft. The spindle shall be fitted with a bayonet type socket for
attachment to the shaft. Reel spiders and yokes shall be made from heat treated aluminum. The
inside dimension of the coil shall be approximately 20 inches, maximum outside diameter
approximately 28 inches, thickness or width of the coil approximately 6 inches to 9 inches.
3.5 Body assembly. A line maintenance and construction truck body for heavy duty
work shall be furnished. The body assembly shall include cabinets on each side of a center
loadspace and a hydraulically operated turret and derrick. For type II vehicles, racks above the
cabinets and a telescoping roof shall be furnished. Unless otherwise specified, a nonconductive
derrick extension and aerial basket(s), and other equipment as specified herein, shall be
furnished. The body shall have the minimum dimensions specified in tables VI and VII. The
turret for type I shall be located at the rear of cab. The turret for type II shall be located at the
right rear corner of the body. The turret for type III shall be located over the rear axle. The
cabinet space shall not be utilized to accommodate outriggers or access steps, except minor
cabinet cutouts may be made to accommodate outriggers. Cutouts shall be covered with sheet
metal to present a completely enclosed and weatherproof cabinet interior. Safety tread steel plate
shall be installed in the loadspace and, for type I and III vehicle, on top of the cabinets. The
floor of the loadspace shall be capable of supporting a live load of 500 pounds on any square foot
of area without permanent deformation of the floor.
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