Nilfisk-Advance CS7000 Fuel Cell EcoFlex, Service Manual

Page: 315 / 440

Scrub System 315 Service Manual – CS7000
d. Push the
Brush
back against the spring and insert
a stiff temporary
Retaining Wire
(paper clip or
T-pin
) through the access hole in the end cover.
(Remove silicone sealer from the holes.) The wire
must go through the holes in the brush holder
just in front of the
Brush
to hold the
Brush
back
against the spring pressure.
10. Install the other three
Brushes
.
11. Reinstall the
Wave Washer
. Make sure the bottom
edges of the
Wave Washer
contact the outside bearing
race as shown.
12. Reinstall the end casting in stages as follows.
a. Reinstall the end casting with brushes far enough
into the frame so the brushes will contact the
commutator when the temporary retaining wires
are removed, then remove the retaining wires.
b. Press the end casting into the frame, leaving
about a 1/8” gap between the frame and end
casting. Make sure to align the witness marks on
the end casting and frame as noted in step 3.
c. Reinstall the threaded rods, lock washers and hex
nuts, but don’t tighten the hex nuts yet.
Retaining Wire
(T-pin shown)
Wave
Washer
Push Brush
Against Spring
Retaining Wire
Hole
Retaining
Wire