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|  MIL-S-62359(AT)
cylinders, hoses, couplings and all other necessary provisions for independent operation of either
gate, or simultaneous operation of both gates. Gate controls shall be as specified in 3.5.2.2, but
shall include dual gate control switches and dual manual gate control air valve for independent
operation of either gate.
3.6 Lubrication. Lubrication means shall be provided for all parts of the equipment
normally requiring lubrication. Where the use of high lubrication pressure will damage grease
seals or other parts, fittings with pressure release shall be used.
3.7 Servicing and adjusting. Prior to acceptance of the semitrailer by the Government
inspector, the contractor shall service and adjust the semitrailer for immediate operational use.
The servicing and adjusting shall include at least the following: inflation of all tires; adjustment of
brakes; proper functioning of all lighting and controls; and complete lubrication, with grades of
lubricants recommended for the ambient air temperature at the delivery point.
3.8 Workmanship. Defective components or parts and assemblies which have been
repaired or modified to overcome deficiencies shall not be furnished. Welded, bolted, and riveted
construction utilized shall be in accordance with the highest standards of the industry.
3.8.1 Steel fabrication. Steel used in the fabrication of equipment shall be free from kinks
and sharp bends. The straightening of material shall be done by methods that will not cause injury
to the metal. Shearing and chipping shall be done neatly and accurately. All bends of a major
character shall be made with controlled means in order to insure uniformity of size and shape.
3.8.2 Bolted connections. Bolt holes shall be accurately punched or drilled and shall have
all burrs removed. Appropriate washers or lockwashers shall be provided and all bolts, nuts and
screws shall be tight or torqued in accordance with good commercial practice.
3.8.3 Riveted connections. Rivet holes shall be accurately punched or drilled and shall
have the burrs removed. Rivets shall be driven with pressure tools and shall completely fill the
holes. Rivet heads, when not countersunk or flattened, shall be of approved shape and of uniform
size for the same diameter of rivet. Rivet heads shall be full, neatly made, concentric with the
rivet holes, and in full contact with the surface of the member.
3.8.4 Welding. Welding procedures shall be in accordance with a nationally recognized
welding code. The surface of parts to be welded shall be free from rust, scale, paint, grease, or
other foreign matter. Welds shall be of sufficient size and shape to develop the full strength of the
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