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|  MIL-P-335J
3.18.7 Batteries and battery box.
3.18.7.1 Batteries. Unless otherwise specified (see 6.2), the paver shall be
furnished with batteries that are charged and dry. A pictorial diagram showing
battery connections shall be provided with the battery box and shall be readable
when the battery box is open.
3.18.7.2 Battery box. The batteries shall be contained in a weatherproof box
fabricated of steel not less than 0.0747 inch (USS 14 gage) in thickness or in a
waterproof compartment on the paver provided the compartment meets the require-
ments specified herein. When the batteries are installed in the box, with all
electrical connections completed and with the battery-box lid in the closed
position, no uninsulated electrical conductor shall be within 1 inch of any point
with the battery box at top of the box, and drains shall be provided in the
bottom. The box shall have built-in restraints and holddowns, constructed so
that pressure will be applied to the outer battery case only. The box shall be
located so that the batteries will be accessible for maintenance, servicing with
a hydrometer and syringe, removal, and replacement. Grommets shall be furnished
to protect the battery lead-in cables. All interior surfaces of the box,
including the restraints and holddowns, shall be treated with acid-resistant
paint.
3.18.7.3 Battery cables. Battery cables shall be coded near the ends which
connect to the battery. The positive cable shall be coded black, and marked "+"
and the negative cable shall be coded red and marked "-". The cables shall be
provided with insulated battery terminal covers.
3.18.8 Wiring. Unless otherwise specified (see 6.2), the manufacturer's
standard commercial wiring system shall be furnished. When specified (see 6.2),
the wiring shall conform to MIL-C-13486 and shall be sized in accordance with
the National Electrical Code recommendation for the current capacity required.
The cables shall be bound together by wraps conforming to MS3367-1 placed at
3-inch intervals or inclosed in spiral cut plastic tubing. Grommets shall be
furnished to prevent chafing where the cable passes through sheet metal or
structural members, and clips shall be used for support. Wiring connectors
shall conform to MS27142, MS27143, MS27144, MS27145, MS27146, or MS27147, as
applicalbe. Prior to assembly, connectors shall be lubricated with electrical
insulation compound conforming to MIL-S-8660.
3.19 Drives.
3.19.1 Chain drives. Chain drives, if used, shall be provided with means for
tension adjustment. Safety guards shall be provided for all exposed chain
drives.
3.19.2 V-belt drives. V-belt drives, if used, shall be provided with means
for tension adjustment. Safety guards shall be provided for all exposed belt
drives
3.20 Accessories. Each paver shall be provided with screed extensions, cut
off shoes and flood lamps.
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