Toro 41177 Operator's Manual page 64

Troubleshooting the Spray System
Problem
A boom section does not spray.
A boom section does not turn off.
A boom valve is leaking
A pressure drop occurs when you turn on
a boom.
Boom actuator is not operating properly.
Troubleshooting the Spray Pro Monitor
Problem
The monitor does not function.
The Speed is always 0 or erratic.
The Area is inaccurate.
Possible Cause
1. The electrical connection on the boom
valve is dirty or disconnected.
2. Blown fuse
3. Pinched hose
4. A boom by-pass valve is improperly
adjusted.
5. Damaged boom valve
6. Damaged electrical system
1. The valve is damaged.
1. An O-ring is deteriorated.
1. The boom bypass valve is improperly
adjusted.
2. There is an obstruction in the boom
valve body.
3. A nozzle filter is damaged or clogged.
1. A thermal breaker in the fuse block
responsible for powering the actuator
has tripped due to overheating.
2. A thermal breaker in the boom actuator
responsible for powering the actuator
has tripped or malfunctioned.
Possible Cause
1. The monitor cable is loose or
disconnected.
2. The monitor or cable is damaged.
1. The monitor cable is loose.
2. The speed sensor is not calibrated
correctly.
3. The speed sensor is damaged.
1. The sprayer width is not correctly
entered.
2. The speed sensor is not calibrated
correctly.
3. The speed sensor is damaged.
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Corrective Action
1. Turn the valve off manually. Disconnect
the electrical connector on the valve
and clean all leads, then reconnect it.
2. Check the fuses and replace them as
necessary.
3. Repair or replace the hose.
4. Adjust the boom by-pass valves.
5. Contact your Authorized Service
Dealer.
6. Contact your Authorized Service
Dealer.
1. Stop the spray system and pump
and turn off the sprayer. Remove the
retainer from under the boom valve and
pull out the motor and stem. Inspect
all parts and replace any that appear
damaged.
1. Stop the spray system and pump and
turn off the sprayer. Disassemble the
valve and replace the O-rings.
1. Adjust the boom bypass valve.
2. Remove the inlet and outlet connections
to the boom valve and remove any
obstructions.
3. Remove and inspect all nozzles.
1. Wait for the system to cool down before
resuming operation. If the thermal
breaker trip repeatedly, contact your
Authorized Service Dealer.
2. Contact your Authorized Service
Dealer.
Corrective Action
1. Connect the monitor cable.
2. Contact your Authorized Service
Dealer.
1. Connect the monitor cable.
2. Calibrate the speed sensor.
3. Contact your Authorized Service
Dealer.
1. Check and set the appropriate Width in
the calibration mode.
2. Calibrate the speed sensor.
3. Contact your Authorized Service
Dealer.