Nilfisk-Advance CS7000 Fuel Cell EcoFlex, Service Manual

Page: 313 / 440

Scrub System 313 Service Manual – CS7000
To Replace the Scrub Motor Carbon Brushes
Note: The minimum length of the carbon brushes in the scrub motors is 0.5” [13 mm]. If the carbon
brushes are less than 0.5” [13 mm] long, replace them.
1. Remove the scrub motor assembly from the scrub deck.
2. Remove the scrub motor from the right-angle gearbox.
3. Note the position of the witness marks stamped into the frame and castings on both ends of the motor.
4. Remove the two
Acorn Nuts
and open the
Terminal
Cover
.
5. Use a backup wrench to hold the
Bottom Terminal Nuts
in place, then
remove the
Top Terminal Nuts
and
Terminals
. Make sure to note the wire
polarity.
6. Remove the
Terminal Cover
.
7. Remove the
Hex Nuts
,
Lock Washers
and
Threaded Rods
holding the two
end castings to the
Frame
.
Acorn
Nut (2)
Terminal
Cover
Top
Terminal
Nut (2)
Terminal (2)
Lock Washer
(2)
Hex Nut
(2)
Threaded
Rod (2)
Terminal
Cover
Bottom
Terminal
Nut (2)