Nilfisk-Advance CS7000 Fuel Cell EcoFlex, Service Manual

Page: 87 / 440

Dust Control/DustGuard
™
Systems 87 Service Manual – CS7000
– The
A1 Main Machine Controller
must receive a signal from the
A2 Drive Controller
via the
CAN BUS
that
the machine is moving forward.
• The
J2-18 Output
provides the negative ground to the
Shaker Motor M14
under the following conditions:
– If the hopper is down and the DustGuard™ system is enabled, the
A1 Main Machine Controller
will
switch on the
Shaker Motor M14
automatically for preset duration when the sweep system is switched
off.
– If the hopper is up, the
A1 Main Machine Controller
must receive a signal from the
A3 Operator Interface
Panel
via the
CAN BUS
that the operator has pressed the filter shaker switch (blue LED on).
Component Locations
Impeller and Filter System
The
Impeller Assembly
houses the dust control
vacuum motor and is mounted in the
Hopper
Cover
. The
Impeller Assembly
pulls air from
the hopper through the filter. The filtered air
is exhausted through
Vents
in the front of the
Hopper Cover
.
The rectangular
Dust Control Filter
seals
against the
Upper Hopper
and is held in place
by the
Filter Shaker Assembly
.
The electric motor in the
Filter Shaker Assembly
drives two eccentric weights to vibrate or
“shake” the
Dust Control Filter
to dislodge dust
and allow it to drop down into the hopper. Two
Thumb Nuts
secure the
Filter Shaker Assembly
and
Dust Control Filter
to the
Upper Hopper
.
Impeller
Assembly
Hopper
Cover
Vent
(typical)
Upper
Hopper
Dust
Control
Filter
Filter
Shaker
Assembly
Thumb
Nut (2)