220.127.116.11 Welding. The surfaces of parts to be welded shall be free from rust, scale, paint,
grease, and other foreign matter. Welds shall transmit stress without permanent deformation or
failure when the parts connected by the welds are tested as specified herein.
3.32.3 Bolted connections. Boltholes shall be accurately punched or drilled and shall have
burrs removed. Washers or lockwashers shall be provided. All bolts, screws, and nuts shall be
tight and correctly torqued. Unless otherwise specified herein, all bolts and screws (except set
screws and where lock nuts are used) shall be provided with spring-type lockwashers. Fasteners
shall be lubricated prior to wrenching and installation. Torque tools shall be proofed at set
intervals to insure constant and correct torque performance.
3.32.4 Riveted connections. Rivet holes shall be accurately punched or drilled and shall
have the burrs removed. Rivets shall completely fill the holes. Rivet heads shall be full, neatly
made, concentric with the rivet holes, and in full contact with the surface of the member.
3.32.5 Castings. Castings shall be sound and free from patching, misplaced coring, warping,
or other defects which might render the casting unsound for its intended use.
3.32.6 Forgings. Forged components shall be in accordance with the Forging Industry
Handbook of the Forging Industry Association.
3.32.7 Machine work. All machined parts shall be manufactured to gage through the use of
correct jigs and fixtures and shall permit interchangeability of these parts.
3.32.8 Human factors. The crusher shall be designed to be operable and maintainable by the
5th and 95th percentile operator, as listed in SAE J833, suitably dressed for the environment.
4. QUALITY ASSURANCE PROVISIONS
4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor
is responsible for the performance of all inspection requirements as specified herein. Except as
otherwise specified in the contract, 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
the specification where such inspections are deemed necessary to assure supplies and services
conform to prescribed requirements.
4.1.1 Component and material inspection. The contractor is responsible for insuring that
components and materials used are manufactured, examined, and tested in accordance with
referenced specifications and standards.