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Figure 10. Housing, cover and panels, removal, disassembly, and installation.
Section VII. CONTROLS, INSTRUMENTS, WIRING AND COMPONENTS

Welding M Arc: Generator, Electric Motor Driven, 300 Amp Dc, Arc, 220/440 60 Cycle, 3 Phase, Wheel Mounted
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. . . .
(1) Clean all parts in an approved cleaning solvent
(1) Reassemble and install housing, doors, cover
and dry thoroughly.
and panels as shown in figure 10.
(2) Inspect for cracks, breaks, or other damage.
(2) Connect ground and electrode cables (para 9).
(3) Repair or replace defective parts as necessary.
(3) Replace remote control assembly (para 9).
c. Installation.
Section VI. MOTOR-GENERATOR
55. General
56. Brushes
a.  Removal.  The worn brushes are removed by
In normal use the motor-generator brushes wear and
disconnecting the leads and removing them from the
the spring tension is lessened causing arcing of the
brush holders as shown in figure 11.
brushes and may cause pitting of the commutator bars.
b. Installation.
(1) Brushes should be discarded and replaced
Figure 11. Brushes, brush springs, and holders, removal and installation.
AGO 8244A
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