Toro 41106 - Troubleshooting the Spray System; Troubleshooting the Spray Pro Monitor

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Troubleshooting the Spray System
Problem Possible Causes Corrective Action
A boom section does not spray.
1. The electrical connection on
the boom valve is dirty or
disconnected
1. Turn the valve off manually.
Disconnect the electrical
connector on the valve and
clean all leads, then reconnect
it.
2. Blown fuse 2. Check the fuses and replace
them as necessary.
3. Pinched hose 3. Repair or replace the hose.
4. A boom by-pass valve is
improperly adjusted.
4. Adjust the boom by-pass
valves.
5. Damaged boom valve 5. Contact your Authorized
Service Dealer.
6. Damaged electrical system 6. Contact your Authorized
Service Dealer.
A boom section does not turn off. 1. The valve is damaged. 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.
A boom valve is leaking 1. An O-ring is deteriorated. 1. Stop the spray system and
pump and turn off the sprayer.
Disassemble the valve and
replace the O-rings.
A pressure drop occurs when you
turn on a boom.
1. The boom bypass valve is
improperly adjusted.
1. Adjust the boom bypass valve.
2. There is an obstruction in the
boom valve body.
2. Remove the inlet and outlet
connections to the boom valve
and remove any obstructions.
3. A nozzle filter is clogged. 3. Remove and clean all nozzles.
Troubleshooting the Spray Pro Monitor
Problem Possible Causes Corrective Action
The monitor does not function.
1. The monitor cable is loose or
disconnected.
1. Connect the monitor cable.
2. The monitor or cable is
damaged.
2. Contact your Authorized
Service Dealer.
The Speed is always 0 or is
ti
1. The monitor cable is loose. 1. Connect the monitor cable.
y
erratic.
2. The speed sensor is not
calibrated correctly.
2. Calibrate the speed sensor.
3. The speed sensor is damaged. 3. Contact your Authorized
Service Dealer.