LCT 208cc SERIES, Руководство по обслуживанию

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Rev:072409 Copyright © 2009 Liquid Combustion Technology, LLC LCT Engine Service Manual: 208cc, 291cc & 414cc 8
Noisy Engine Excessive Valve Chatter
1. Too large valve clearance Adjust
2. Weakened or broken valve spring Replace
3. Worn tappet or cam lobe Replace
4. Worn and burnt camshaft journal Replace
Noise seems to come from piston
1. Worn down piston or cylinder Replace
2. Fouled with carbon combustion chamber Clean
3. Worn piston pin or piston pin bore Replace
4. Worn piston rings or ring grooves Replace
Noise seems to come from crankshaft
1. Rattling bearings due to wear Replace
2. Worn and burnt main bearings Replace
3. Worn and burnt pin bearing Replace
4. Too large endplay Adjust
Noise seems to come from outside of engine
1. Loose trim item Tighten
Engine runs poorly in high
speed range Defective engine internal/electrical parts
1. Weakened valve springs Replace
2. Worn camshaft Replace
3. Valve timing out of adjustment Adjust
4. Too narrow spark plug gaps Adjust
5. Defective ignition coil Replace
6. Clogged air cleaner element Replace
7. Clogged fuel line, resulting in inadequate fuel supply
to carburetor Replace
8. Worn bearings Replace
9. Blown head gasket Replace
10. Ignition coil air gap too wide Adjust
11. Dirty/gummed up carburetor Clean
12. Stale fuel Replace
Defective air flow system
1. Carburetor gasket leak - sucking air causing engine to
run lean Replace
Engine lacks power Defective engine internal/electrical parts
1. Loss of valve clearance Adjust
2. Weakened valve springs Replace
3. Out of adjustment valve timing Adjust
4. Worn piston ring or cylinder Replace
5. Poor seating of valves Replace
6. Fouled spark plug Replace
7. Incorrect spark plug Replace
8. Clogged air filter element Replace
9. Carburetor gasket leak - sucking air causing engine to
run lean Replace
10. Too much engine oil Adjust
11. Air fins clogged on engine causing to overheat Remove debris
12. Not enough oil in engine Adjust