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Problem
Corrective Action
Possible Causes
The engine loses power.
1. The crankcase oil level is
incorrect.
1. Fill or drain to the full mark.
2. The air cleaner element is dirty.
2. Clean or replace.
3. Dirt, water, or stale fuel is in the
fuel system.
3. Drain and flush the fuel system;
add fresh fuel.
4. The engine is overheated.
4. See Engine Overheats.
5. A spark plug is damaged or
dirty.
5. Replace the spark plug.
6. The vent hole in the fuel tank
vent fitting is plugged.
6. Replace the fuel cap.
7. Low compression.
7. Contact your Authorized
Service Dealer.
The sprayer will not operate in
either direction.
1. The range selector is in the
Neutral position.
1. Press the brake and shift the
range selector into a gear.
2. The parking brake was not
released or the parking brake is
not releasing.
2. Release the parking brake or
check the linkage.
3. The transmission is broken.
3. Contact your Authorized
Service Dealer.
4. The control linkage needs
adjustment or replacement.
4. Contact your Authorized
Service Dealer.
5. The drive shaft or wheel hub
key has been damaged.
5. Contact your Authorized
Service Dealer.
Troubleshooting the Spray System
Problem
Possible Causes
Corrective Action
A boom section does not spray.
1. Pinched hose
1. Repair or replace the hose.
2. A boom by-pass valve is
improperly adjusted.
2. Adjust the boom by-pass
valves.
3. Damaged boom valve
3. 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.