Problem
Possible Cause
Corrective Action
1. The crankcase oil level is incorrect.
1. Fill or drain to the Full mark.
2. The air cleaner element is dirty.
2. Replace.the air cleaner element.
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. The vent hole in the fuel tank vent
fitting is plugged.
5. Replace the fuel cap.
The engine loses power.
6. Low compression.
6. Contact your Authorized Service
Dealer.
1. The engine mounting bolts are loose.
1. Tighten the engine mounting bolts.
There is abnormal vibration or noise.
2. There is a problem with the engine.
2. Contact your Authorized Service
Dealer.
The machine does 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.
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.
The machine will not operate in either
direction.
4. The drive shaft or wheel hub key has
been damaged.
4. Contact your Authorized Service
Dealer.
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 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.
A boom section does not spray.
6. Damaged electrical system.
6. Contact your Authorized Service
Dealer.
A boom section does not turn off.
1. The boom-section valve is damaged.
1. Disassemble the boom-section valve;
refer to the section Cleaning the
Sprayer Valves. Inspect all of the parts
and replace any that are damaged.
A boom valve is leaking.
1. A seal is worn or damaged.
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.
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