Troubleshooting - Cub Cadet CC 30 Operator's Manual

Troubleshooting

Problem
Engine fails to start
Engine runs erratic
Engine overheats
Engine hesitates at high
RPM
Engine Idles rough
Excessive vibration
Mower will not mulch grass
Uneven cut
Cause
1. PTO/Blade engaged
2. Spark plug wire disconnected
3. Fuel tank empty, or stale fuel
4. Choke not activated
5. Faulty spark plug
6. Blown fuse
7. Engine flooded
8. Parking brake not engaged
9. Deck chute or mulch plug not poperly
installed.
1. Unit running with CHOKE activated.
2. Spark plug wire loose.
3. Blocked fuel line or stale fuel.
4. Vent in gas cap plugged.
5. Water or dirt in fuel system.
6. Dirty air cleaner.
1. Engine oil level low.
2. Air flow restricted.
1. Spark plug gap too close.
1. Spark plug fouled, faulty or gap too wide.
2. Dirty air cleaner.
1. Cutting blade loose or unbalanced.
2. Damaged or bent cutting blade.
1. Engine speed too low.
2. Wet grass.
3. Excessively high grass.
4. Dull blade.
1. Deck not leveled properly.
2. Dull blade.
3. Uneven tire pressure.
Remedy
1. Place blade engage lever in disengaged
(OFF) position.
2. Connect wire to spark plug.
3. Fill tank with clean, fresh (less than 30 days
old) gas.
4. Place the throttle control in CHOKE position.
5. Clean, adjust gap or replace plug.
6. Replace fuse(s)
7. Crank engine with throttle in FAST position.
8. Engage parking brake.
9. Check the installation of the deck chute or
mulch plug.
1. Move the throttle contol out of the CHOKE
position.
2. Connect and tighten spark plug wire.
3. Clean fuel line; fill tank with clean, fresh
gasoline and replace fuel filter
4. Clear vent or replace cap if damaged.
5. Drain fuel tank. Refill with clean, fresh
gasoline.
6. Replace air cleaner paper element and clean
the foam pre-cleaner, if applicable.
1. Fill crankcase with proper amount and
weight of oil.
2. Clean grass clippings and debris from around
the engine's cooling fins and blower housing.
1. Remove spark plug and reset the gap.
1. Replace spark plug. Set plug gap.
2. Replace air cleaner paper element and clean
the foam pre-cleaner, if applicable.
1. Tighten blade and spindle. Balance blade.
2. Replace blade.
1. Place throttle in FAST (rabbit) position.
2. Do not mulch when grass is wet.
3. Mow once at a high cutting height, then
mow again at desired height or make a
narrower cutting swath.
4. Sharpen or replace blade.
1. Perform the Leveling The Deck adjustment.
2. Sharpen or replace blade.
3. Check tire pressure in all four tires.
8
31