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  • Why is the engine smoking? ? ? ?
    Why is the engine smoking? ? ? ?

    2023-06-02

    admin

    Why is the engine smoking? ? ? ? Don't worry, please let me go over your forklift with you. Reason 1-1: Black smoke from the exhaust pipe (due to poor combustion) ——————Partially closed choke valve Troubleshooting method: Adjustment Reason 1-2: Black smoke from the exhaust pipe (due to poor combustion) ——————Air filter blocked Troubleshooting method: Cleaning and dredging Reason 2-1: White smoke from exhaust pipe (due to engine overcooling) ——————Not enough engine warm-up Troubleshooting method: Increase the load if the engine warm-up is not enough, and then gradually increase the load after the engine is warmed up to a water temperature above 50 degrees Reason 2-2: White smoke from the exhaust pipe (due to the engine being too cold) ——————Gasoline contains water Troubleshooting method: Remove moisture Reason 2-3: White smoke from the exhaust pipe (due to the engine being too cold) ——————Water in cylinder Troubleshooting method: Troubleshooting Reason 2-4: White smoke from the exhaust pipe (due to the engine being too cold) ——————Poor atomization of fuel injection of the fuel injector, oil dripping phenomenon, and low fuel injection pressure Troubleshooting method: Check the oil nozzle assembly Reason 2-5: White smoke from the exhaust pipe (due to the engine being too cold) ——————The fuel injection time is too late Troubleshooting method: Readjust the oil supply time Reason 2-6: White smoke from the exhaust pipe (due to the engine being too cold) ——————The pressure in the cylinder is not enough, the fuel is not burned well and is excluded Troubleshooting method: Check cylinder pressure Reason 3-1: Blue smoke from exhaust pipe (due to burning of organic oil) ——————Too much oil Troubleshooting method: Release excess oil Reason 3-2: Blue smoke from exhaust pipe (due to burning of organic oil) ——————The piston ring wears too much, or is stuck by carbon deposits, causing oil to overflow Troubleshooting method: Replace or clean piston rings Reason 3-3: Blue smoke from exhaust pipe (due to burning of organic oil) ——————The gap between the piston and the cylinder is too large Troubleshooting method: Overhaul or replacement Reason 3-4: Blue smoke from the exhaust pipe (due to burning of organic oil) ——————Long-term low load (less than 40% of the rated power) far transfer Troubleshooting method: Appropriately increase the load Reason 3-5: Blue smoke from the exhaust pipe (due to burning of organic oil) ——————Air filter clogged Troubleshooting method: Disassemble and clean the air filter Reason 3-6: Blue smoke from the exhaust pipe (due to burning of organic oil) ——————The gap between the valve push rod and the valve guide is too large Troubleshooting method: Replace
  • Why is the internal combustion forklift oil pressure insufficient?
    Why is the internal combustion forklift oil pressure insufficient?

    2023-03-03

    admin

    The forklift shows insufficient oil pressure? Maybe you can take a look at this article, it will help you check your forklift failure together. Reason 1: Too little or too much oil Troubleshooting method: replenish or release excess oil Reason 2: The oil viscosity is too low Troubleshooting method: Change the oil Reason 3: Engine oil temperature is too high Troubleshooting method: cool the engine, check the cooling system Reason 4: The oil filter is blocked, the connecting pipe or the oil passage are leaking Troubleshooting method: cleaning to unclog or tighten Reason 5: Oil filter clogged Troubleshooting method: Clean and dredge or replace the fine filter element Reason 6: Oil pressure gauge failure Troubleshooting method: Replacing the Oil Pressure Gauge
  • Why is the cylinder of the forklift poorly compressed and how to repair it?
    Why is the cylinder of the forklift poorly compressed and how to repair it?

    2022-12-30

    admin

    Are you wondering why your forklift cylinder is poorly compressed and how to troubleshoot it? Please follow the steps in the article to repair your forklift! Reason 1: Poor contact between valve and valve seat Troubleshooting method: Grinding the valve or valve seat Reason 2: Broken valve spring Troubleshooting method: replace the spring Reason 3: The valve clearance is wrong Troubleshooting method: Adjust valve clearance Reason 4: The cylinder head gasket is damaged Troubleshooting method: replace Reason 5: Cylinder liner, piston, piston ring wear too much Troubleshooting method: Repair or replace Reason 6: Leakage in the intake manifold Troubleshooting method: check intake manifold and gasket tighten nuts
  • Why does the engine run abnormally or stop halfway?
    Why does the engine run abnormally or stop halfway?

    2022-11-07

    admin

    What should I do if the engine runs abnormally or stops halfway, and the gasoline supply is not smooth Reason 1: Excessive fouling of petrol filter Troubleshooting method: cleaning up dirt Reason 2: Gas pump filter clogged Troubleshooting method: Cleaning the filter Reason 3: Gasoline Pipe Blockage Troubleshooting method: Blow through with compressed air Reason 4: Oil leaking from the gasoline pipe or fitting Troubleshooting method: Soldering or Tightening Reason 5: The oil level in the carburetor float chamber is too low Troubleshooting method: adjust appropriately Reason 6: Carburetor Orifice Blocked Troubleshooting method: Blow through with compressed air Reason 7: Gasoline pump valve leaking oil or damaged diaphragm Troubleshooting method: Overhaul the valve or replace the diaphragm
  • No engine idling!
    No engine idling!

    2022-11-07

    admin

    Why is the engine not idling? What accessory is malfunctioning? If you are not sure, please follow us to check your forklift. Reason 1: Excessive carburetor throttle opening Troubleshooting method: Adjustment Reason 2: Carburetor idle jet control failure Troubleshooting method: Adjust the idle adjustment screw Reason 3: Leak in the intake manifold Troubleshooting method: Overhaul the intake manifold or replace the gasket Reason 4: Individual spark plugs are damaged, excessive carbon deposits, or incorrect clearance Troubleshooting method: Replace or remove carbon deposits and adjust clearance Reason 5: Ignition time is too early Troubleshooting method: Adjust the ignition angle of the distributor Reason 6: Poor gasoline supply Troubleshooting method: See the corresponding fault analysis and troubleshooting in "The engine runs abnormally or deflects halfway" in this series of articles
  • Engine lacks power?
    Engine lacks power?

    2022-11-07

    admin

    Whether your forklift is also underpowered, please follow this article to check your forklift. If you find that you need to replace parts, please do not forget to contact Yuansong Trading. Reason 1: Ignition too late or too early Troubleshooting method: Adjust the ignition angle of the distributor Reason 2: The spark from the spark plug is too weak Troubleshooting method: See "Difficulty starting the engine" in this series of articles Reason 3: Bad cylinder compression Troubleshooting method: See the corresponding fault analysis and troubleshooting in "Difficulty in starting the engine" in this series of articles Reason 4: Engine overheating Troubleshooting method: See "Engine Overheating" Troubleshooting and Troubleshooting in this series of articles Reason 5: Poor gasoline supply Troubleshooting method: See the corresponding fault analysis and troubleshooting in "The engine runs abnormally or stops halfway" in this series of articles Reason 6: Fuel specification mismatch Troubleshooting method: switch to gasoline with the same specification Reason 7: Excessive spark plug gap Troubleshooting method: Adjustment Reason 8: Partially closed choke or insufficient throttle opening Troubleshooting method: Adjusting the manipulation mechanism Reason 9: Intake manifold leak Troubleshooting method: Overhauling the intake manifold and gasket Reason 10: Excessive wear on camshafts and tappets Troubleshooting method: replace Reason 11: Clogged Air Filter Troubleshooting method: cleaning and unclogging
  • Is there a knocking sound inside the engine?
    Is there a knocking sound inside the engine?

    2022-09-09

    admin

    What's wrong with the knocking sound inside the engine? Please follow the article to service your forklift. Reason 1: The ignition time is too early Troubleshooting method: Adjust the ignition advance angle of the distributor Reason 2: Excessive carbon deposits in the cylinder combustion chamber Troubleshooting method: remove carbon deposits Reason 3: The radiator is leaking or the amount of cooling water is too low Troubleshooting method: repair welding radiator or add cooling water Reason 4: Excessive scale buildup in the water jacket Troubleshooting method: Cleaning limescale Reason 5: Damaged water pump or loose fan belt Troubleshooting method: overhaul the water pump or adjust the tension of the fan belt Reason 6: The piston pin is too loose Troubleshooting method: Replacing the piston pin or bushing Reason 7: Excessive wear on pistons, piston rings, cylinder liners Troubleshooting method: overhaul and replace Reason 8: Excessive valve clearance Troubleshooting method: Adjustment Reason 9: Excessive wear of BEARING SET,CONNETING ROD and BEARING SET,CRANKSHAFT Troubleshooting method: Replace or repair bearing bushes Reason 10: Excessive wear on the timing gear Troubleshooting method: replace Reason 11: Too much clearance between valve stem and valve guide Troubleshooting method: Replace guide tube after valve stem chrome repair Reason 12: The position of the air manifold preheat valve is incorrect Troubleshooting method: Adjust by season Reason 13: Fuel specification mismatch Troubleshooting method: switch to gasoline of the same specification
  • Other possibilities for starter motor failure
    Other possibilities for starter motor failure

    2022-08-23

    admin

    Reason 1: Release the electromagnetic switch button, the starter continues to idle Troubleshooting method: Check switch contacts Reason 2: The gear does not mesh with the flywheel rim Troubleshooting method: The eccentric screw is not adjusted properly Reason 3: Mixed gas is too lean Troubleshooting method: close the choke valve to make the mixture richer Reason 4: Mixed gas is too rich Troubleshooting method: Open the choke wider or reduce the accelerator pedal to make the mixture thinner Reason 5: Cylinder liner soaked in gasoline Troubleshooting method: check replacement Reason 6: The petrol pump doesn't pump oil Troubleshooting method: check replacement Reason 7: Gasoline pipe is clogged or crushed Troubleshooting method: check replacement Reason 8: Bad Vaporizer Working Troubleshooting method: check replacement
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