Craftsman professional PYT9000 Manual Del Operador página 31

This section addresses minor service issues. To locate the nearest Sears Service Center or to schedule service, simply contact Sears
at 1-800-4-MY-HOME®.
Problem
Engine fails to start
Engine runs erratically
Engine overheats
Engine hesitates at high RPMs
Engine idles poorly
Excessive vibration
TROUBLESHOOTING
WARNINg
Before performing any type of maintenance/service, disengage all
controls and stop the engine. Wait until all moving parts have come to
a complete stop. Disconnect spark plug wire and ground it against the
engine to prevent unintended starting. Always wear safety glasses during
operation or while performing any adjustments or repairs.
Cause
1. PTO/Blade Engage knob engaged.
2. Parking brake not engaged.
3. Spark plug wire disconnected.
4. Throttle/Choke control lever not in correct
starting position.
5. Fuel tank empty, or stale fuel.
6. Blocked fuel line.
7. Faulty spark plug.
8. Engine flooded.
9. Fuse(s) blown.
1. Tractor running with Choke activated.
2. Spark plug wires 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 set too close
1. Fouled spark plug
2. Dirty air cleaner
1. Cutting blades loose or unbalanced
2. Damaged, dull, or bent cutting blade
1. Place knob in disengaged (OFF) position.
2. Engage parking brake.
3. Connect wire to spark plug.
4. Place Throttle/Choke lever to FAST position.
5. Fill tank with clean, fresh (less than 30 days old) gas.
6. Replace fuel line. See a Sears or other qualified
service dealer. Replace fuel filter. See the Service
and Maintenance section.
7. Clean, adjust gap or replace plug.
8. Crank engine with throttle in FAST position.
9. Replace fuse.
1. Move the Throttle/Choke control lever out of the
choke position.
2. Connect and tighten spark plug wires.
3. Replace fuel line. See a Sears or other qualified
service dealer. Fill tank with clean, fresh gasoline
and replace fuel filter. See the Service and Mainte-
nance section.
4. Clear vent or replace cap if damaged.
5. Drain fuel tank. Refill with clean, fresh gasoline. See
the Service and Maintenance section.
6. Replace air cleaner paper element or clean foam
precleaner.
1. Fill engine with proper amount and type of oil.
2. Clean grass clippings and debris from around the
engine's cooling fins and blower housing.
1. Remove spark plug and adjust gap.
1. Replace spark plug and adjust gap.
2. Replace air cleaner element and/or clean pre-
cleaner.
1. Tighten blade and spindle. Balance blade.
2. Replace blade.
31
Remedy