Troubleshooting The Spray System - Toro Multi Pro 1750 Installation Instructions Manual

Troubleshooting

Troubleshooting the Spray System

Problem
A boom section does not spray.
A boom section does not turn off.
A boom valve is leaking.
The pressure drops when you turn on a
boom.
A boom actuator is not operating properly.
Possible Cause
1. The electrical connection on the boom
valve is dirty or disconnected.
2. The fuse is open (blown).
3. A hose is pinched.
4. A boom-bypass valve is improperly
adjusted.
5. The boom-section valve is damaged.
6. The electrical system is damaged.
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 that
is responsible for powering the actuator
has been tripped due to overheating.
2. A thermal breaker in the boom actuator
that is responsible for powering
the actuator has been tripped or
malfunctioned.
60
Corrective Action
1. Turn the valve off manually. Disconnect
the electrical connector on the valve
and clean all leads, then connect it.
2. Check the fuses and replace them as
necessary.
3. Repair or replace the hose.
4. Adjust the boom-bypass valves.
5. Contact your Authorized Service
Dealer.
6. Contact your Authorized Service
Dealer.
1. Disassemble the boom-section valve;
refer to the Cleaning section. Inspect
all of the parts and replace any that are
damaged.
1. Disassemble the valve and replace
the seals using the Valve Repair
Kit; contact your Authorized Service
Dealer.
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
breakers trip repeatedly, contact your
Authorized Service Dealer.
2. Contact your Authorized Service
Dealer.