MIL-T-52864-SUP Trucks, Lift, Fork: Diesel-Engine-Driven, Pneumatic-Tired, 10,000, 15,000 and 20,000 Pound Capacity; General Specification for No S/S DocumentThis specification covers the general requirements for diesel-engine-driven pneumatic-tired depot forklift trucks used for handling cargo in and around warehouses, loading platform, and docks.

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MIL-T-52864D

TEST METHOD NO. 8

TRUCK OPERATIONS

1.  Test course:

a.        The test course shall be a level, improved surface laid out in accordance with figure A-2 or equivalent length course if a 200 ft. diameter pad is not available.  Station 1 and station 3 shall be platforms that are not less than 8 feet in height and capable of supporting rated load.  Station 2 shall be at ground level.

b.        Obstacles shall be in accordance with figure A-3 and placed so that the nearest obstacle is not less than 14 feet from station 1.

2.  Test Procedure:

a.  Initially, place rated loads on platforms at stations 1 and 3.

b.        Pick up load from station 1; lower the rated load 12 inches maximum above ground; position the mast to maximum rearward tilt; back up truck being sure all wheels travel over obstacles; travel forward and deposit load at station 2.

c.  Disengage load at station 2; back out; then travel forward to station

3.  Prior to engaging load at station 3, raise mast to maximum lift height to activate relief valve.  Lower forks and engage load.

d.        Pick up load at station 3; lower the rated load 12 inches maximum above ground; position the mast to maximum rearward tilt; back out; then travel forward and deposit load at station 1, being sure all wheels travel over obstacles.

e.        Disengage load at station 1; back out, being sure all wheels travel over obstacles; then travel forward to station 2.

f.        Pick up load at station 2; raise the rated load to 12 inches above ground; position the mast to maximum rearward tilt; back out; then travel forward and deposit load at station 3.

g.        Steps 2(b) through 2(f) shall constitute one circuit.  For 50 percent of the circuits, station 2 and Station 3 shall be interchanged so

that they are in clockwise position rather then in their initial counterclockwise position.  Stations shall be changed at the end of each 8-hour operating day.

h.        Truck with rated load shall be operated for the required number of hours.

i.  Record total circuits for each hour of operation. j.  Truck shall complete 6 to 8 circuits per hour.

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