Figure 80. Testing armature on a growler.
(31) against the outer bearing retainer, and attach the inner bearing retainer plate (30) with the screws (28) and
lockwashers (29). Fasten the fan (35) to the pulley (36) with the screws (42) and lockwashers (41). Instant the spacing
collar (34). Press the drive-end frame on the armature in an arbor press (par. 179). Insert the woodruff key (1) in the
armature shaft. Press on the pulley and install the shaft washer (37) and shaft nut (38). Reassemble the commutator-end
frame (21). Put the brush arm spacers (25) over the pins. Place the brush springs (27) in the brush arms (26) with the
straight end of the spring through the hole in the brush that is to be installed toward the pulley end of the generator. Slide
each arm and spring assembly over the pins, and hook the bent end of each spring over the stops. Install the
commutator-end bearing (20) in the commutator-end frame and fasten the cover plate gasket (19) and end cover plate
(18) with the cover plate screws (16) and lockwashers (17).
186