Recovery System 290Service Manual – CS7000
Circuit Description
The following conditions must be met for the recovery 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
.
• 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 Vacuum Motor Contactor K6.
• The J2-17 Output on the A1 Main Machine Controller must provide a ground to the Vacuum Motor Contactor K6
coil. J2-17 provides ground to K6 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 scrub switch.
– 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 voltage to J7-29 Vacuum Current Sense on the A1 Main Machine Controller from the Vacuum Current
Sensor B3
must be within the acceptable range to indicate both vacuum motors are working correctly.
• The 150-amp Fuse F2 must be closed to provide positive voltage from the Battery to the load side of the
Vacuum Motor Contactor K6.
• The Vacuum Motor Contactor K6 contacts must be closed.
• The Vacuum Motors M6 and M7 must have connections to battery ground B-.
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