Engine'sabnormal Sound - EMAK K 700 H Workshop Manual

Workshop manual
4.8 Engine's Abnormal Sound
ENGINE'S
ABNORMAL
SOUND
KNOCKING
SOUND
KNOCKING
COMBUSTION AND
METALLIC SOUND
OTHER
ABNORMAL
SOUND
PISTON AND PISTON RINGS worn
(REPLACE PISTON AND PISTON RINGS)
CONNECTING ROD, PISTON PIN AND PISTON PIN
BORE worn
(REPLACE WORN PARTS)
Piston pin-to-connecting rod clearance too big
(REPLACE WORN PARTS)
PISTON RING broken
(REPLACE PISTON RING)
COMBUSTION CHAMBER carbon deposit too much
(REMOVE CARBON DEPOSIT)
SPARK PLUG electrode gap too small
(SEE 3-5)
ENGINE overheating
(SEE 4-7)
FUEL GRADE incorrect
(CHANGE FUEL GRADE)
ENGINE mixture too rich
(CHECK AND ADJUST CABURETOR)
VALVE clearance out of adjustment or related parts
worn
(ADJUST VALVE CLEARANCE, REPLACE RELATED
WORN PARTS)
FLYWHEEL AND CRANKSHAFT connection loose
(REPLACE CONNECTING KEY AND REINSTALL))
CRANKCASE BEARINGS worn
(REPLACE BEARINGS)
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