Troubleshooting
Troubleshooting the Spray System
Problem
Possible Cause
Corrective Action
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 connect it.
2. The fuse is open (blown).
2. Check the fuses and replace them as
necessary.
3. A hose is pinched.
3. Repair or replace the hose.
4. A boom-bypass valve is improperly
adjusted.
4. Adjust the boom-bypass valves.
5. The boom-section valve is damaged.
5. Contact your Authorized Service
Dealer.
A boom section does not spray.
6. The electrical system is damaged.
6. Contact your Authorized Service
Dealer.
A boom section does not turn off.
1. The valve is damaged.
1. Disassemble the boom-section valve;
refer to the Cleaning section. Inspect
all of the parts and replace any that are
damaged.
A boom valve is leaking.
1. An O-ring is deteriorated.
1. Disassemble the valve and replace
the seals using the Valve Repair
Kit; contact your Authorized Service
Dealer.
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.
The pressure drops when you turn on a
boom.
3. A nozzle filter is damaged or clogged.
3. Remove and inspect all nozzles.
1. A thermal breaker in the fuse block that
is responsible for powering the actuator
has been tripped due to overheating.
1. Wait for the system to cool down before
resuming operation. If the thermal
breakers trip repeatedly, contact your
Authorized Service Dealer.
A boom actuator is not operating properly.
2. A thermal breaker in the boom actuator
that is responsible for powering
the actuator has been tripped or
malfunctioned.
2. Contact your Authorized Service
Dealer.
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Summary of Contents for 136-0372
Page 61: ...Schematics Flow Diagram Rev A 61...
Page 62: ...Notes...
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