Nilfisk-Advance CS7000 Fuel Cell EcoFlex, Service Manual

Page: 254 / 440

Hopper System 254 Service Manual – CS7000
The Following Conditions Must Be Met for the Hopper Door Open and Close
• There must be positive voltage to the
J7-1 Interlock Input
. For this to happen:
– The
Seat Switch S9
must be closed.
– The
Safety Relay K14
on the
Steer By Wire Controller A5
must energize the coil to close the
Safety Relay
K14
contactor.
– The
Emergency Stop Switch S15
must be closed.
– The
Battery Interlock S13
must be closed (battery machines) or jumpered (Diesel and LPG machines).
• The
J3-6
and
J3-7 Outputs
must provide voltage to the
Dump Door Actuator Motor M26
when the
A1 Main
Machine Controller
receives a signal from the
A3 Control Panel
via the
CAN BUS
that the operator has
pressed the hopper door open or hopper door close button.
– For the hopper door to open, the
A1 Main Machine Controller
must not receive negative voltage at the
J7-
22 Input
from the
Dump Door Extend Limit Switch S7
.
– For the hopper door to close, the
A1 Main Machine Controller
must not receive negative voltage at the
J7-
23
input from the
Dump Door Retract Limit Switch S8
.
Component Locations
Upper and Lower Hopper
The
Upper Hopper
(light gray) and
Lower Hopper
(dark
gray) are on the front of the machine, The
Hopper Cover
houses the dust control impeller pump, filter and filter
shaker assembly. The
Upper
and
Lower Hoppers
are
connected and pivot up and down as a single unit.
Hopper
Cover
Upper
Hopper
Lower
Hopper