Troubleshooting The Spray System; Troubleshooting The Spray Pro Monitor - Toro 41163 Operator's Manual

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.

Troubleshooting the Spray Pro Monitor

Problem
The monitor does not function.
The Speed is always 0 or is p y
erratic. ti
Possible Causes
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 clogged.
Possible Causes
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.
49
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 clean all nozzles.
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.