Labels:text | sketch OCR: GAP BRIDGED OIL FOULED IDENTIFIED BY DEPOSIT BUILD- IDENTIFIED BY WET BLACK UP CLOSING GAP BETWEEN DEPOSITS ON THE INSULATOR ELECTRODES SHELL BORE ELECTRODES. CAUSED BY OIL OR CARBON CAUSED BY EXCESSIVE OIL FOULING, REPLACE PLUG, OR, ENTERING COMBUSTION CHAMBER IF DEPOSITS ARE NOT EXCESSIVE THROUGH WORN RINGS AND THE PLUG CAN BE CLEANED PISTON, EXCESSIVE CLEARANCE BETWEEN VALVE GUIDES AND STEMS, OR WORN OR LOOSE BEARINGS, CORRECT OIL PROBLEM. REPLACE THE PLUG CARBON FOULED NORMAL PRE-IGNITION IDENTIFIED BY BLACK, DRY FLUFFY IDENTIFIED BY MELTING ELECTRODES CARBON DEPOSITS ON INSULATOR AND POSSIBLY BLISTERED INSULATOR. TIPS, EXPOSED SHELL SURFACES AND METALIC DEPOSITS ON INSULATOR ELECTRODES IDENTIFIED BY LIGHT TAN OR GRAY DEPOSITS ON THE FIRING TIP INDICATE ENGINE DAMAGE CAUSED BY TOO COLD A PLUG, WEAK CAUSED BY WRONG TYPE OF FUEL, IGNITION, DIRTY AIR CLEANER, INCORRECT IGNITION TIMING OR DEFECTIVE FUEL PUMP, TOO RICH A ADVANCE, TOO HOT A PLUG, BURNT FUEL MIXTURE, IMPROPERLY OPERATING VALVES OR ENGINE OVERHEATING HEAT RISER OR EXCESSIVE IDLING REPLACE THE PLUG CAN BE CLEANED. OVERHEATING FUSED SPOT DEPOSIT IDENTIFIED BY A WHITE OR LIGHT GRAY INSULATOR WITH SMALL BLACK OR GRAY BROWN SPOTS AND WITH BLUISH-BURNT IDENTIFIED BY MELTED OR SPOTTY APPEARANCE OF ELECTRODES DEPOSITS RESEMBLING BUBBLES OR BLISTERS CAUSED BY ENGINE OVER- HEATING, WRONG TYPE OF CAUSED BY SUDDEN ACCELERATION FUEL, LOOSE SPARK PLUGS, TOO CAN BE CLEANED IF NOT EXCESSIVE, HOT A PLUG, LOW FUEL PUMP OTHERWISE REPLACE PLUG PRESSURE OR INCORRECT IGNITION TIMING, REPLACE THE PLUG
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