Toro Multi Pro 5800 Operator's Manual page 59

Problem
A boom valve is leaking
A pressure drop occurs when you turn on
a boom.
Boom actuator is not operating properly.
Possible Cause
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.
59
Corrective Action
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
breakers trip repeatedly, contact your
Authorized Service Dealer.
2. Contact your Authorized Service
Dealer.