c. Using an improvised brush spring lifter (A,
fig. 3-19) pull the brush spring (B) out of the way
and slide brush (C) out of its holder. Remove
remaining seven brushes in same manner. (See
paragraph 2-4 for instructions to make, and
authorization for use of, the improvised brush
d. Scribe an alinement mark (A, fig. 3-20) on
end housing and field ring. Remove four hex-head
screws (B) and lock washers (C). Pull brush
rigging assembly (D) out of field ring assembly.
It may be necessary to tap around edge of
housing with a soft hammer to loosen
packing seal effect.
Figure 3-19. Removing or installing brushes in brush rigging
using improvised brush spring lifter.
Figure 3-20. Removing or installing brush rigging assembly
3-12. Brush Rigging Assembly
a. Remove brush holder jumper (A, fig. 3-21)
and packing (B). Discard packing.
Brush holder jumper (A) may fall loose in
field ring assembly when removing brush