Husqvarna Snow Blower Cover Owner Manual - Page 8

Advanced Troubleshooting - For Authorized LCT Technicians &/(*/& Complaint Symptom and possible causes Remedy Engine will not start, or is hard to start Compression too low 1. Valves out of adjustment Adjust 2. Worn valve guides or poor seating of valves Repair or Replace 3. Mistiming valves Adjust 4. Excessively worn piston rings Replace 5. Worn-down cylinder bore Replace 6. Poor seating of spark plug Retighten 7. Failed head gasket Replace Plug not sparking 1. Fouled spark plug 2. Wet spark plug 3. Defective ignition coil 4. Spark plug wire damaged 5. Kill switch in "OFF" position 6. Ignition coil air gap is too wide 7. Ignition coil failure Replace Dry off Replace Replace Switch to "On" Reset Replace Engine idles poorly Engine stalls easily No fuel reaching the intake manifold 1. Clogged fuel filter or fuel line 2. Dirty/gummed up carburetor 3. Fuel petcock is turned off 4. Fuel tank is empty 1. Out of adjustment tappet clearance 2. Poor seating of valves 3. Defective valve guides 4. Worn down camshaft 5. Too wide spark plug gap 6. Defective ignition coil 7. Ignition coil air gap too wide 8. Dirty/gummed up carburetor 9. Stale fuel 1. Dirty/gummed up carburetor 2. Fouled spark plug 3. Clogged fuel line 4. Valves out of adjustment Replace Clean Turn on Fill Adjust Replace or Repair Replace Replace Adjust or replace Replace Adjust Clean Replace Clean Replace Replace Adjust Rev:010410 Copyright © 2010 Liquid Combustion Technology, LLC LCT Engine Service Manual: 208cc, 291cc & 414cc 7