Troubleshooting - Toro CM Series Operator's Manual

Troubleshooting

Problem
The engine does not start.
The engine runs rough.
The drive belts are worn or burned, or they
jump off of the pulley.
The drum does not turn.
The drum does not tilt.
The drum chatters or turns erratically.
The machine vibrates excessively.
Possible Cause
1. The engine switch on the cowl is in the
S position.
TOP
2. The fuel valve is in the O
3. The choke is open.
4. The choke is closed.
5. The On/Off switch on the engine is in
the O position.
FF
6. The engine oil level is low.
7. The fuel tank is empty.
8. The spark-plug wire is loose or
disconnected.
9. The spark plug is fouled or improperly
gapped.
10. The spark plug is wet with fuel (flooded
engine).
11. The fuel is old or bad.
1. The choke is left on.
2. The air filter is clogged.
3. The fuel line is clogged.
4. There is water or contaminants in the
fuel.
5. The spark plug is worn or has buildup
on the electrodes.
6. There is too much oil in the engine
crankcase.
1. The drive-belt tension needs
adjustment.
2. The drive belts may be stretched.
3. The pulleys are out of alignment.
1. The belts are loose or damaged.
1. The drum-tilt brake is engaged.
1. Teeth are missing from the gears.
2. The gears are misaligned.
1. There is debris in the drum.
2. The mixing paddles are damaged.
40
1. Press the engine switch to the R
position.
position. 2. Move the fuel-valve lever to the O
FF
position.
3. Close the choke when starting a cold
engine.
4. Open the choke when starting a hot
engine.
5. Rotate the switch to the O
6. Fill the engine to the proper level with
the recommended oil.
7. Fill the tank with fresh fuel.
8. Connect the spark-plug wire.
9. Gap or replace the spark plug.
10. Remove the spark plug, dry it, and
install the plug. Start the engine with
the throttle in the M
11. Drain the fuel tank and carburetor. Fill
the fuel tank with fresh fuel.
1. Open the choke.
2. Clean or replace the air filter.
3. Clean the sediment cup.
4. Drain and fill the tank with fresh fuel.
5. Check the electrode gap or replace the
spark plug.
6. Drain the oil to the proper level.
1. Adjust the drive-belt tension.
2. Replace the drive belts.
3. Contact your Authorized Service
Dealer.
1. Check the drive belts.
1. Disengage the drum-tilt brake.
1. Contact your Authorized Service
Dealer.
2. Contact your Authorized Service
Dealer.
1. Remove the debris.
2. Contact your Authorized Service
Dealer.
Corrective Action
UN
N
position.
N
position.
AX