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If your forklift carburetor has oil leakage, you can troubleshoot your forklift according to this article. Reason 1-1: The gas mixture is too lean - the orifice of the carburetor is blocked or adjusted improperly Troubleshooting method: cleaning, adjustment Reason 1-2: The mixture is too lean - gasoline supply is not smooth Troubleshooting method: Please troubleshoot according to the corresponding fault causes in "Why does the engine run abnormally or stop halfway?" Reason 2: Valve leak Troubleshooting method: adjust valve clearance or grind valve Reason 3: The high-voltage damping wires are connected in the wrong order or damaged Troubleshooting method: correct or replace Reason 4: The engine is overheating Troubleshooting method: According to the fault analysis and troubleshooting in the "Various causes and repair methods of engine overheating" column in this table Reason 5: Intake manifold leaks Troubleshooting method: check for intake manifold and gaskets

Reason 1: Excessive scaling on the surface of the commutator Troubleshooting method: After cleaning with 00 grit sandpaper, wipe clean Reason 2: The armature coil is damaged Troubleshooting method: disassembly overhaul Reason 3: Broken meshing gear Troubleshooting method: replace Reason 4: The rotation is not working properly - the armature shaft is stuck Troubleshooting method: add engine oil to the bearing after overhaul (1-2 drops) Reason 5: the rotation is not working well - the carbon brush spring is too tight Troubleshooting method: adjust or replace Reason 6: The bearing is too loose and makes noise Troubleshooting method: replace Reason 7: The meshing gear cannot be meshed - the battery is insufficient Troubleshooting method: Charging Reason 8: The meshing gear cannot be meshed - the pull-in coil is damaged Troubleshooting method: replace Reason 9: The meshing gear does not mesh - the thrust spring is broken Troubleshooting method: replace Reason 10: The meshing gear cannot be separated - the guide cylinder and the spiral groove are stuck Troubleshooting method: check exclusion Reason 11: The meshing gear cannot be separated - the return spring is broken Troubleshooting method: replace

Seven reasons why the distributor is not working well： Reason 1: Distributor cover cracked or damp Troubleshooting method: replace or dry (but not too close to the fire) Reason 2: The power-off contact gap is too large, too small or poor contact Troubleshooting method: adjust the gap or remove the oxide on the contact Reason 3: The spring force of the power-off arm is insufficient Troubleshooting method: replace or adjust Reason 4: ROTOR HEAD is damaged or has too much fouling Troubleshooting method: Replace or eliminate buildup Reason 5: There is abnormal noise in the shaft Troubleshooting method: Overhaul or eliminate dirt and add oil (1-2 drops) to lubricate Reason 6: Distributor wire is loose Troubleshooting method: Tighten Reason 7: The capacitor is damaged Troubleshooting method: replace

The oil leakage of the exhaust manifold may be caused by the failure of the cylinder, carburetor or distributor. We can repair your forklift according to the following methods. Reason 1: The float valve is floating on the oil level in the carburetor is too high Troubleshooting method: Drain excess oil or adjust float Reason 2: The exhaust valve is not tightly sealed Troubleshooting method: Grinding the valve Reason 3: A cylinder does not work Troubleshooting method: Refer to the article "One cylinder in the engine is not working?" Fault analysis and troubleshooting Reason 4: The ignition sequence of the distributor is wrong Troubleshooting method: Wiring according to regulations Reason 5: Ignition too late Troubleshooting method: adjust the ignition angle

Please refer to the following troubleshooting suggestions: Reason 1: A certain spark plug does not flash over Troubleshooting method: overhaul spark plugs and lines Reason 2: Check whether the intake and exhaust valves of the following cylinder are damaged, or the valve spring is broken Troubleshooting method: replace Reason 3: Damaged cylinder head gasket Troubleshooting method: replace

After turning off the engine, if it still does not turn off, there are several reasons: Reason 1: The engine temperature is too high Troubleshooting method: idling the engine to reduce the water temperature below 80 degrees and then close the switch Reason 2: The spark plug is overheated Troubleshooting method: Select the specified model spark plug Reason 3: Excessive carbon deposits in the combustion chamber Troubleshooting method: Eliminate carbon deposits Reason 4: The ignition is too late Troubleshooting method: adjust the ignition angle

When the forklift does not start, it may be the problem of the spark plug, please follow the steps in the article to overhaul your forklift spark plug. Reason 1: The spark plug insulator is cracked Troubleshooting method: replace the spark plug Reason 2: The spark plug electrode gap is wrong Troubleshooting method: Adjust the gap Reason 3: The spark plug gasket is not tightly sealed Troubleshooting method: Tighten or replace gasket Reason 4: Too much carbon deposit on spark plug electrode Troubleshooting method: Eliminate carbon deposits Reason 5: The spark plug is damp Troubleshooting method: drying