WELDER
Section V.
6-13. Arc-Welding Generator
Assembly
a. Removal and Disassembly.
removing screws (29) and washers (30).
(14) Remove screws (32), washers (33)
after removing attaching screw (2).
(2) Remove screw (3) and washer (4)
carefully slide frame (31) from armature
from exciter frame (5).
(44) .
( 3 ) Remove exciter frame attaching
(15) Remove main pole piece (35), shunt
screws (6) and washer (7).
field coil (36) interpole pole piece and coil
(4) Holding exciter brushes (11) away
(37) and series field coil (38) from frame
from exciter armature (18) slide exciter frame
(31).
(5) carefully off armature.
( 1 6 ) Remove brushholder rocker (39)
(5) Remove exciter pole pieces (8) and
after removing screw (40) and washer (41).
exciter pole coil from exciter frame by remov-
(17) Pull bearing (42) from armature
ing screw (9).
shaft with a suitable puller and slide gasket
( 6 ) Remove exciter brush (11) and
(27) and dust cap (43) from shaft.
brushholder (12) from exciter frame.
(18) Bend corners of locking clips (46)
(7) Slide bearing case (13), bearing (14)
straight and while supporting armature re-
and clamping ring (15) from armature shaft,
move screws (45) and slide armature away
( 8 ) Remove cover (16) by removing
from engine.
screws (17).
(19) Bend corners of locking clips (49)
(9) Bend corners of clips (20) straight
straight and remove coupling ring (47) after
and remove armature (18) after removing
removing screws (48) and clips (49).
screw (19).
(20) Slide disc backing plate (50), disc
(10) Remove exciter fan (21) from gen-
(51), and blower fan (52) from armature
erator armature shaft by removing setscrews
(44) .
(22 and 23).
b. Cleaning. Wipe covers (1 and 16), end
bracket (28) and frame (31) with solvent-
(11) Remove key (24) from exciter fan
dampened cloth. Clean commutator with No.
(21).
00 sandpaper and finish cleaning with vacu-
( 1 2 ) Remove outer dust cap (25) and
um line. Blow out coil assemblies with com-
gasket (27) after removing screw (26).
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