Issue 1

> December 17, 1970
>
> SPECIAL SPECIFICATION

SECTION 16670

ELECTRIC POWERED FORK LIFTS

Part 1. Capacity rating shall be not more than 80% of tipping with
upright in vertical position.

Part 2. Tilt and lift shall be actuated by hydraulic piston type
cylinders. Single acting cylinders shall have suitable drains to remove
leakage from above piston. Pistons shall have replaceable seal rings and
the cylinder assembly shall be at threaded parts that can be readily
disassembled.

Part 3. Electric fork trucks shall be supplied with type EE
construction.

Part 4. Drive motor shall be of sufficient capacity to perform as
required herein to operate on the specified battery. Motor shall be
series wound, totally enclosed with Class B asbestos insulation or
better.

Part 5. Battery connectors shall be ITA standard.

Part 6. Electric fork trucks shall have the following controls;

> a\. four speed, forward or reverse (or approved equal)
>
> b\. separate hand or foot operated switch to permit inching in low
> speed to or from load
>
> c\. mechanical connection to driver\'s seat to cut off power and lock
> in neutral when empty
>
> d\. automatic acceleration
>
> e\. non-plugging controls
>
> f\. switch-off brake pedal to cut-off power to motor when brakes are
> applied
>
> All power controls shall automatically return to neutral and cut off
> power when released.

Part 7. Brakes shall be hydraulic, controlled by automotive type pedal,
sufficient capacity to stop unit within 5 feet from a maximum speed on
dry level concrete paving. Separate parking brake shall set
automatically when driver leaves the seat.

Part 8. Wheels shall be readily removable, with cushion tires.

Part 9. Truck shall be equipped with the following accessories: Hobbs
hour meter, electric horn, 36 volt, with button on steering column;
cylinder type master switch, keyed, on steering column to cut off all
power when locked. Truck shall be equipped with flush coupler at rear.

Part 10. Automotive type steering including steering hand wheel and two
individually suspended steering wheels shall be furnished. Suspension
shall be four point with the tread distance of the rear wheels equal
(within +/- 6 inches) to the tread distance of the front wheels.

Part 11. The entire truck shall be painted safety orange.

Part 12. Truck shall be supplied without battery.

Part 13. Battery Compartment

> 13.1 The battery shall be enclosed in a heavy reinforced metal housing
> for its protection from mechanical injury. The housing shall be
> designed to permit the removal of the battery from the side or from
> the top by means of an overhead lift. The cover shall be hinged and/or
> secured as specified to prevent contact with battery. The compartment
> shall be securely belted or welded to the truck chassis. Successful
> bidder shall verify dimensions of battery compartment with the
> purchaser.
>
> 13.2 The battery compartment shall have the greatest width and length
> which can be placed on the truck chassis to take the minimum
> over-sized battery. Adjustable angle iron brackets shall be bolted to
> floor and uprights of the compartment to securely hold different size
> batteries in place.
>
> 13.3 Adequate ventilation and drainage shall be provided in the
> battery case and housing.
>
> 13.4 The receptacle for the plug shall be fastened to the truck
> chassis in a position which is convenient for the insertion of the
> plug. It is to be protected from damage and not to interfere with the
> operator or his clothing when entering or leaving the truck.

Part 14. General Safety Specifications

> 14.1 Truck Stability
>
> 14.1.1 The longitudinal and transverse stability of all trucks shall
> be determined at a maximum rated speed with and without load through
> any manipulation such as sudden 90 degree, 180 degree or \"S\" turns
> by turning the steering wheel suddenly to the maximum angle causing
> them to skid sidewise or sudden stops when turning on a level floor or
> pavement while traveling in either forward or reverse direction.
>
> 14.1.1.1 When performing the stability tests on mast type trucks, the
> forks shall be elevated to a point;
>
> a\. 24 inches above the ground
>
> b\. elevated to maximum height
>
> The tests shall be performed with the masts in the backward position
> on tilting-mast type trucks.
>
> 14.1.2 The supplier shall furnish a written statement to the effect
> that he has proved each type of truck statically and dynamically and
> that said truck is stable when operated as specified above in 1.1 and
> 1.1.1.
>
> 14.2 Controls
>
> 14.2.1 Control levers shall be located convenient to the operator so
> as to be readily seen, operated and quickly reached in an emergency.
>
> 14.3 Locks and Guards
>
> 14.3.1 When specified on the purchase order, the supplier may furnish
> his standard guards, providing they permit rapid egress from truck in
> an emergency, and cannot lock or bind the operator in the truck.
>
> 14.3.2 Each truck shall be equipped with a cylinder-type lock in the
> control circuit which will prevent the operation of the truck when
> locked. The electrical leads to the lock shall be in flexible metal
> conduit, to prevent by-passing or short- circuiting lock by wire, or
> other means.
>
> 14.4 Seats
>
> 14.4.1 The operator\'s seat shall be of the flat type. The cushion
> shall be at least 18 inches wide and shall be supported by springs,
> sponge rubber, or pneumatic cushion to provide a comfortable seat and
> to absorb road vibration. The position of the seat shall be adjustable
> in a fore and aft direction. The seat shall be provided with a full
> back rest, well-cushioned to minimize back fatigue.

Part 15. All materials and workmanship shall conform to manufacturers\'
standard product. All standard equipment normally furnished to the
general public shall be provided.

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