Troy-Bilt 466 Operator's Manual page 15

SECTION 9: TROUBLE-SHOOTING
Possible Cause Corrective Action Problem
Engine fails to start 1.
2.
3.
4.
5.
6.
Engine runs erratic 1.
2.
3.
4.
5.
Engine overheats 1.
2.
Occasional skip 1.
(hesitates) at high
speed
Idles poorly 1.
2.
Excessive vibration 1.
2.
3.
Mower will not 1.
mulch grass 2.
3.
Uneven cut 1.
2.
Blade control handle disengaged
Spark plug wire disconnected
Fuel tank empty, or stale fuel
Blocked fuel line
Faulty spark plug
Engine flooded
Spark plug wire loose
Blocked fuel line or stale fuel
Vent in gas cap plugged
Water or dirt in fuel system
Dirty air cleaner
Engine oil level low
Air flow restricted
Spark plug gap too close
3.
4.
5.
1.
2.
1.
1. Engage blade control handle.
2. Connect wire to spark plug.
3. Fill up tank with fresh gasoline.
4. Clean fuel line.
5. Clean, adjust gap, or replace.
6. Wait a few minutes to restart, Do not prime.
1. Connect and tighten spark plug wire.
2. Clean fuel line, fill tank with fresh gasoline.
Clear vent.
Drain fuel tank. Refill with fresh fuel.
Clean air cleaner. Refer to engine manual.
Fill crankcase with proper oil.
Clean lawn mower engine.
Adjust gap to.030 inches.
Spark plug faulty, or gap too wide 1. Reset gap to.030 inches or replace spark plug.
Dirty air cleaner 2. Clean air cleaner.
Blade loose or unbalanced 1. Tighten blade and adapter, balance blade.
Bent cutting blade 2. Replace blade.
Bent engine crankshaft 3. Contact the nearest service center
Wet grass 1. Wait until grass is dry to cut.
Excessively high grass 2. Mow once at a high cutting height, then mow
again at desired height.
Dull blade 3. Sharpen or replace blade.
Wheels not at same height 1. Reposition all wheels at same height.
Dull blade 2. Sharpen or replace blade.
NOTE: For repairs beyond the minor adjustments listed above, contact your local authorized service dealer.
15