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Problem Corrective ActionPossible Causes
The sprayer will not operate or is
sluggish in either direction
because the engine bogs down or
stalls.
1. The parking brake is set. 1. Release the parking brake
The sprayer will not operate in
either direction.
1. The parking brake was not
released or the parking brake is
not releasing.
1. Release the parking brake or
check the linkage.
2. The transmission is broken. 2. Contact your Authorized
Service Dealer.
3. The control linkage needs
adjustment or replacement.
3. Contact your Authorized
Service Dealer.
4. The drive shaft or wheel hub
key has been damaged.
4. Contact your Authorized
Service Dealer.
Abnormal vibration or noise. 1. The engine mounting bolts are
loose.
1. Tighten the engine mounting
bolts.
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.
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