Toro Multi Pro 5800-D Operator's Manual page 86

Problem
The engine overheats.
The engine loses power.
There is abnormal vibration or noise.
The machine does not operate or is
sluggish in either direction because the
engine bogs down or stalls.
The machine does not operate in either
direction.
Troubleshooting the Spray System
Problem
A spray section does not spray.
A spray section does not turn off.
Possible Cause
1. The crankcase-oil level is incorrect.
2. The coolant level is low.
3. The engine is operated under
excessive load.
4. The air-intake screens are dirty.
5. The cooling fins and air passages
under the engine-blower housing
and/or the rotating-air-intake screen
are plugged.
1. The crankcase-oil level is incorrect.
2. The air-cleaner element is dirty.
3. Dirt, water, or stale fuel is in the fuel
system.
4. The engine is overheated.
5. The vent hole in the fuel-tank-vent
fitting is plugged.
6. The engine has low compression.
1. The engine-mounting bolts are loose.
2. There is a problem with the engine.
1. The parking brake is set.
1. The parking brake was not released or
the parking brake is not releasing.
2. The transmission is broken.
3. The control linkage needs adjustment
or replacement.
4. The drive shaft or wheel hub key has
been damaged.
Possible Cause
1. The electrical connection on the spray
section valve is dirty or disconnected.
2. The fuse is open (blown) or loose.
3. There is a pinched hose.
4. A spray section-bypass valve is
improperly adjusted.
5. The spray section valve is damaged.
6. The electrical system is damaged.
1. The valve is damaged.
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Corrective Action
1. Fill or drain to the Full mark.
2. Check the coolant level and replenish
it as needed.
3. Reduce load; use lower ground speed.
4. Clean with the air-intake screens with
every use.
5. Clean the cooling fins and air passages
with every use.
1. Fill or drain to the Full mark.
2. Replace the air-cleaner element.
3. Drain and flush the fuel system; add
fresh fuel.
4. See "The engine overheats" above.
5. Replace the fuel cap.
6. Contact your Authorized Service
Dealer.
1. Tighten the engine-mounting bolts.
2. Contact your Authorized Service
Dealer.
1. Release the parking brake.
1. Release the parking brake or check
the linkage.
2. Contact your Authorized Service
Dealer.
3. Contact your Authorized Service
Dealer.
4. Contact your Authorized Service
Dealer.
Corrective Action
1. Turn the valve off manually. Disconnect
the electrical connector on the valve
and clean all leads, then reconnect it.
2. Check the fuses and replace them as
necessary.
3. Repair or replace the hose.
4. Adjust the section-bypass valves.
5. Contact your Authorized Service
Dealer.
6. Contact your Authorized Service
Dealer.
1. Disassemble the sprayer-section
valve; refer to the section Cleaning the
Sprayer Valves. Inspect all of the parts
and replace any that are damaged.