MIL-S-18141 Sweeper, Rotary, Towed \(S/S By A-A-55544\)

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MIL-S-18141J

3.15 Instruction plates. The sweeper shall be equipped with instruction

plates suitably located, describing any special or important procedures to be

followed in operating and servicing the equipment. Plates shall be of a

material which will last and remain legible for the life of the equipment.

Plates shall be securely affixed to the equipment with nonferrous screws or

bolts of not less than 1/8-inch diameter.

3.16 Servicing and adjusting. Prior to acceptance of the sweeper by the

Government inspector, contractor shall service and adjust each sweeper and its

mounted equipment for operational use, including at least the following:

Adjustment of engine electrical system, inflation of all tires, and complete

lubrication of engine, running gear, and mounted equipment, with grades of

lubricants recommended for the ambient air temperature at the delivery point

3.17 Workmanship).

3.17.1 Steel fabrication. The steel in fabrication shall be free from

kinks, sharp bends, and other conditions which would be deleterious to the

finished product. Manufacturing processes shall not reduce the strength of the

steel to a value less than intended by the design. All bends shall be made by

controlled means to insure uniformity of size and shape.

3.17.2 Bolted connections. Boltholes shall be accurately punched or drilled

and shall have the burrs removed. Washers or lockwashers shall be

provided in accordance with good commercial practice, and all bolts, butts, and

screws shall be tight.

3.17.3 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.

3.17.4 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 parts connected by

the welds. Welds shall transmit stress without permanent deformation or failure

when the parts connected by the weld are subjected to proof and service

loadings.

QUALITY ASSURANCE PROVISIONS

4.1 Responsibility for inspection. Unless otherwise specified in the

contract or purchase order, the contractor is responsible for the performance

of all inspection requirements (examinations and tests) as specified herein.

Except as otherwise specified in the contract or purchase order, the contractor

may use his own or any other facilities suitable for the performance of the

inspection requirements specified herein, unless disapproved by the Government.

The Government reserves the right to perform any of the inspections set forth

in this specification where such inspections are deemed necessary to ensure

supplies and services conform to prescribed requirements.