Troy-Bilt 47330 - Troubleshooting Chart; Engine Does Not Start; Engine Runs Poorly; Engine Overheats

Section 5: Maintenance 23 j
Before inspecting, cleaning or servicing the machine, shut off engine, wait for all moving parts to
come to a complete stop, disconnect spark plug wire and move wire away from spark plug.
Failure to follow these instructions can result in serious personal injury or property damage.
TROUBLESHOOTING CHART
Before performing any of the corrections in this troubleshooting chart, refer to the appropriate information contained in this
manual for the correct safety precautions and operating or maintenance procedures.
PROBLEM
POSSIBLE CAUSE
CORRECTION
Engine does not start.
1. Spark plug wire disconnected.
2. Fuel valve (if equipped) not open.
3. Out of gasoline.
4. Stale gasoline.
5. Incorrect choke setting.
6. Dirty air filter.
7. Bad spark plug.
1. Reconnect wire to spark plug.
2. Turn fuel valve to open position.
3. Check gasoline tank. Add gasoline if needed.
4. Qcain old gasoline. Add fresh gasoline.
5. Move choke lever to correct setting.
6. Clean or replace air filter.
7. Replace spark plug.
Engine runs poorly.
1. Fouled spark plug.
2. Incorrect choke setting.
3. Dirty air filter.
4. Carburetor out of adjustment.
5. Stale gasoline.
1. Remove, clean, and reinstall spark plug.
2. Move choke lever to correct setting.
3. Replace air filter.
4. Contact dealer.
5. Drain old gasoline. Add fresh gasoline.
Engine overheats.
1. Engine cooling system clogged.
2. Carburetor out of adjustment.
1. Remove blower housing and remove debris.
2. Adjust it or have authorized Dealer adjust it.
Shredder or chipper
does not work.
1. Belt is broken or excessively worn.
2. Chipper blade/shredder blade(s) broken.
3. Sheared key between pulley and cylinder shaft.
4. Solid object jammed in unit.
5. Locked cylinder shaft bearing.
6. Loose engine mounting bolts or support nuts.
1. Replace belt.
2. Replace shredder/chipper blade(s).
3. Replace key.
4. Check for and remove obstruction.
5. Have authorized dealer repair unit.
6. Tighten bolts/nuts.
Shredder or chipper
shreds or chips poorly.
1. Dull chipper blade or shredder blade(s).
2. Engine not reaching full RPM.
3. Excessively worn cylinder shaft bearing(s).
4. Loose locking collar(s) on cylinder shaft.
5. Screen not installed in unit.
6. Screen that is installed has holes that
are too large.
7. Loose engine mounting bolts/loose
engine support nuts.
8. Material tangled in blades.
9. Clogged chipper chute.
10. Chipper blade clearance not between 1/16"-to-1/8\
1. Sharpen or replace chipper blade/have authorized
Dealer replace shredder blade(s).
2. Have authorized dealer adjust or repair engine.
3. Replace bearing(s).
4. Tighten collar(s).
5. Install screen.
6. Remove screen and replace with screen that
has smaller holes.
7. Tighten bolts/nuts.
8. Remove tangled material.
9. Clear chipper chute.
10. Have authorized dealer repair unit.
Heavy vibration/Unusual noise. 1. Solid object jammed in chipper or shredder.
2. Blade(s) damaged and cylinder out of balance.
3. Chipper flywheel damaged.
4. Chipper blade/shredder blades hit inside unit.
5. Cylinder shaft bearing(s) damaged.
6. Blades strike bent discharge screen.
1. Check for and remove any obstruction.
2. Have authorized dealer repair unit.
3. Have authorized dealer repair unit.
4. Have authorized dealer repair unit.
5. Have authorized dealer replace bearings.
6. Replace discharge screen.
Belt slips.
1. Stretched or worn belt.
2. Oil or grease on belt.
3. Cylinder shaft bearings are binding.
4. Loose engine mounting bolts/support nuts.
5. Object jammed in chipper or shredder.
1. Replace belt.
2. Clean pulleys and replace belt.
3. Check cylinder shaft for smooth rotation. If there is
binding, have authorized dealer replace bearings.
4. Tighten bolts and nuts.
5. Remove jammed object.