Toro 73542 Operator's Manual page 48

Troubleshooting
PROBLEM
The engine overheats.
The engine loses power.
The tractor will not operate in
either direction because the
engine bogs down or stalls.
The tractor goes forward only at
partial speed and is slow or does
not operate in reverse.
46
POSSIBLE CAUSES
1. The crankcase oil level is
incorrect.
2. The fuel mixture is lean.
3. Excessive loading.
4. (3) 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. A spark plug is faulty.
6. Low compression.
7. The vent hole in the fuel tank
vent fitting is plugged.
8. The engine load is excessive.
1. The brake is sticking.
1. The cruise control was
engaged when the traction
pedal was in neutral.
2. The engine is running at
partial speed.
3. The linkage is out of
adjustment.
4. There is internal hydro wear.
CORRECTIVE ACTION
1. Fill or drain to the full mark.
2. Contact your Authorized
Service Dealer.
3. Reduce load; use lower
ground speed.
4. Clean with every use.
5. Clean with every use.
1. Fill or drain to the full mark.
2. Clean or replace.
3. Drain and flush the fuel
system; add fresh fuel.
4. See ENGINE OVERHEATS.
5. Replace the spark plug.
6. Contact your Authorized
Service Dealer.
7. Contact your Authorized
Service Dealer.
8. Reduce ground speed.
1. Contact your Authorized
Service Dealer.
1. Turn the cruise control off.
2. Move the throttle to "FAST."
3. Contact your Authorized
Service Dealer.
4. Contact your Authorized
Service Dealer.