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MIL-W-80027D

3.2.2 Reclaimed materials. The machine may contain reclaimed materials

provided such materials will not jeopardize the machine's intended use and

shall have been reprocessed,

The reclaimed materials

performance.

remanufactured or recycled in a manner which will restore them to the same

chemical composition and physical properties as the materials originally

selected for use on the machine.

3.2.3 Energy efficiency. The welding machine and all its applicable com-

ponents that directly consume energy in normal operation shall be designed

and constructed for the highest degree of energy efficiency as governed by

the latest developments available within the industry.

Covers, guards, or other safety

3.2.4 Safety and health requirements.

devices shall be provided for all parts of the welding machine that present

safety hazards. The safety devices shall not interfere with the operation

of the machine. The safety devices shall prevent unintentional contact with

the guarded part, and shall be removable to facilitate inspection, mainten-

All machine parts, components, mechanisms,

ance and repair of the parts.

and assemblies furnished on the machine, whether or not specifically

required herein, shall comply with all of the requirements of OSHA 2206 that

are applicable to the machine itself. Additional safety and health require-

ments shall be as specified (see 6.2.1).

3.2.5

Electric service.

Unless otherwise specified (see 6.2.1), the

welding machines shall be designed for operation on 230/460 volts

per-

cent single phase, 60 HZ, electric service and wired for initial operation

on 460 volts.

3.2.6 Open circuit voltage.

The open circuit voltage shall be in accord-

ance with NEMA EW-1.

3.2.7 Temperature rise. The maximum allowable temperature rise of var-

ious insulated parts of the machines for the given class of insulation

system shall be in accordance with NEMA EW-1. The operating temperature of

the welding machine rectifier under maximum rated load conditions, shall not

exceed a value which will result in injury to the rectifier or adversely

affect the performance of the welding machines.

Mercury restriction.

3.2.8

The machine shall not contain mercury or

mercury compounds nor be exposed to free mercury during manufacture.

3.2.9 Asbestos restriction. Asbestos and materials containing asbestos

shall not be used on or in the machine.

3.2.10 Environmental protection. The machine shall be designed and con-

structed such that, under the operating, service, transportation and storage

conditions described herein, the machine shall not emit materials hazardous

to the ecological system as prescribed by Federal, state or local statutes

in effect at the point of the installation.

3.2.11 Interchangeability. To provide for replacement of worn or damaged

parts, all parts shall be manufactured to definite dimensions and tolerances

which will permit installation of replacement parts without modification of

part or machine.