Sweep System, Side Broom 396Service Manual – CS7000
Circuit Description
The Following Conditions Must be Met for the Side Broom Sweep System To Operate
• The Hopper Interlock Switch S3 must be closed.
• 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.
• The 400-amp Fuse F1 must be closed to provide positive voltage from the Battery to the load side of Auxiliary
Contactor K9
and circuit breaker CB7.
• The Ignition Switch S14 must be closed to provide positive voltage to the Auxiliary Contactor K9 coil. The
J2-14 Output on the A1 Main Machine Controller provides ground to the Auxiliary Contactor K9 coil when the
Ignition Switch S14 provides an input to the Key Switch Input J7-13.
• The Auxiliary Contactor K9 must be closed to provide positive voltage to circuit breaker VACC1/CB1.
• Circuit breaker VACC1/CB1 must be closed to provide positive voltage to the Side Broom Motor Contactor K8
coil.
• The J2-15 Output on the A1 Main Machine Controller must provide a ground to the Side Broom Motor
Contactor K8
coil. J2-15 provides ground to K8 under the following conditions:
– The A1 Main Machine Controller must receive a signal from the A3 Control Panel via the CAN BUS that the
operator has pressed the sweep and side broom switches.
– The A1 Main Machine Controller must receive a signal from the A2 Drive Controller via the CAN BUS that
the machine is moving forward or reverse.
• Circuit breaker CB7 must be closed to provide positive voltage to the load side of Side Broom Motor
Contactor K8
.
• Side Broom Motor Contactor K8 must be closed to provide positive voltage to the Side Broom Motors M8 and
M9.
• The Side Broom Motors M8 and M9 must have connections to battery ground B-.
Side Broom Actuator Motor
The J3-5 and J3-17 Outputs from the A1 Main Machine Controller provide voltage to the Side Broom Actuator
Motor M13
. The output polarity determines whether the Side Broom Actuator Motor lowers or raises the side
brooms.
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