MIL-T-62518 Trucks, Maintenance: With 9 To 37 Meters 30 To 120 Foot Multi-Position Aerial Platform, Modified CommercialThis specification covers diesel and gasoline engine driven, four-wheel, two-rear-wheel drive; four-wheel, four-wheel drive; and six-wheel, four-wheel-drive trucks having minimum gross vehicle weights GVW of 6800 kilograms kg 15,000 to 22 700 kg 50,000 pounds, equipped with maintenance bodies and 9 to 37 meters m 30 to 120 foot multi-position, articulating, boom type aerial platforms. Vehicles procured under this specification are commercial items which are warranted by the manufacturer as specified in acquisition documents.

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MIL-T-62518A

(1 inch per hour) and vertical settling of 50 mm/h (2 inches per hour) to determine conformance to requirements in 3.3.8.

4.4.9 Performance test. The basket(s) shall be subjected, but not limited, to the following tests:

(a) (b)

Check to determine whether boom assembly can be elevated without outriggers

Determine if outriggers have locked automatically when in an extended position and in

(c)

a retracted position

Operate equipment using each set of controls and emergency controls separately

(d)

(e)

Check to insure that the lower controls override the basket controls

Check to insure that the entire system can be operated smoothly and without jerk

(f)

motions in any position

Check to determine whether the basket(s) remains level in all positions with the

(g)

specified loads in the basket(s)

Check to determine whether the basket(s) is safely lowered from maximum reach

position, with rated payload on the basket(s) floor, to within 910 mm (36 inches) above

the ground, with the hydraulic pump and engine not operating, except as specified in

(h)

3.3.6

Check the remote control starter and cutoff on basket(s) to insure starting and stopping

(i)

the engine with a specified payload on the basket(s)

Check overload capabilities by attempting to lift from rest position a load that will

result in exceeding the manufacturer's recommended hydraulic system pressure setting

(see 3.6.4.4)

(j)

Check the hydraulic system, including the pump, at 10 percent above the pump

manufacturer's maximum operating pressure setting for normal workload conditions

(k)

Check operation of hydraulic tool circuits with outriggers up and outriggers down.

* 4.4.10 Dielectric tests. The vehicle shall be tested as specified in the Qualification Test of

ANSI A92.2, for Category A and B aerial devices for a 69,000 volts (69 kV) unit rating.

4.4.11 Production sample. Upon acceptance of the first production vehicle, it shall remain at the manufacturing facility as a production sample, and shall be the last vehicle shipped on the contract. The contractor shall maintain the vehicle in a serviceable condition for the duration of the contract.

4.4.12 Failure. Failure of the first production vehicle to meet requirements of the contract shall be cause for the Government to refuse acceptance of all vehicles under contract until corrective action has been taken. In addition, subsequent vehicles that do not conform to the accepted production sample vehicle shall be rejected until corrected.