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  • The Holiday for National Day 2022
    The Holiday for National Day 2022

    2022-09-29

    admin

    The Holiday for National Day 2022 Dear Customer: We will have 7 days off as holiday National Day 2022 : 1th, Oct. – 7th, Oct. During the holidays, if you have anything urgently, please feel free to contact our sales people by WhatsApp or email, they will reply as soon as they saw the messages. Thanks for your cooperation and supporting and wish you have a really happy holiday! YUANSONG TRADE CO., LTD Publicity Department 29th, Sept., 2022
  • 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
  • Various causes and repair methods of engine overheating
    Various causes and repair methods of engine overheating

    2022-08-23

    admin

    If you are also troubled by the problem of engine overheating, maybe this article can bring you some help, please follow the article to check your forklift. Reason 1: Damaged water pump or loose fan belt Troubleshooting method: overhaul the water pump or adjust the tension of the fan belt Reason 2: Radiator, cylinder liner, cylinder block leaking or too little water Troubleshooting method: Weld repair holes and add cooling water Reason 3: Excessive accumulation of dirt on the radiator or engine water jacket Troubleshooting method: Wash and remove scale buildup Reason 4: Thermostat malfunctioning Troubleshooting method: Replacing a new thermostat Reason 5: Too little oil in the oil pan Troubleshooting method: Add oil to the specified standard Reason 6: The oil in the oil pan is too thin Troubleshooting method: Change the oil Reason 7: Excessive carbon deposits in the cylinder combustion chamber Troubleshooting method: Eliminate carbon deposits Reason 8: Ignite too late Troubleshooting method: Adjust the ignition advance angle of the distributor Reason 9: Water leaking from the cylinder head water manifold Troubleshooting method: replace Reason 10: Piston rings are worn out and a lot of exhaust gas is pouring into the crankcase Troubleshooting method: replace
  • Why is the spark too weak or unable to ignite?
    Why is the spark too weak or unable to ignite?

    2022-08-17

    admin

    Why is the spark too weak or unable to ignite? Are you also troubled by this problem, please follow our steps to repair your forklift. Reason 1: Ignition coil is damaged Troubleshooting method: Replacing the ignition coil Reason 2: There is no gap or poor contact at the disconnection point of the distributor Troubleshooting method: Adjust the gap or remove oxides on the electrocution Reason 3: The capacitor is damaged Troubleshooting method: Replacing the capacitor Reason 4: The high-voltage line is damaged or has poor contact Troubleshooting method: Replacing high voltage wires or fastening heads Reason 5: Damaged or loose low-voltage wires Troubleshooting method: Replace or tighten low voltage wires Reason 6: The ignition coil or distributor is wet Troubleshooting method: Remove and dry, but not too close to the fire Reason 7: Spark plug insulator rupture Troubleshooting method: Replacing spark plugs Reason 8: The spark plug is wet or carbon deposits on the electrode Troubleshooting method: drying or removing carbon deposits Reason 9: Spark plug electrode gap is too large or too small Troubleshooting method: Adjust the gap Reason 10: Insufficient battery power Troubleshooting method: Dismantle charging Reason 11: Broken distributor cover or distributor connector Troubleshooting method: replace Reason 12: Ignition timing is wrong Troubleshooting method: Check firing sequence Reason 13: Water in the cylinder head Troubleshooting method: Remove the cylinder head to remove the accumulated water, and tighten the cylinder head nut as required. If the cylinder head liner is damaged, it should be replaced
  • The forklift starter motor can't start the engine, but it can run. Why?
    The forklift starter motor can't start the engine, but it can run. Why?

    2022-04-24

    admin

    When you find this problem with your forklift starter motor, maybe you can use this article to repair your forklift. Reason 1:Forklift bearing wear too much, armature and magnetic pole friction Troubleshooting method:Adjust the contact surface between the new forklift bearing cleaning brush and the commutator Reason 2:Poor contact between forklift carbon brushes and forklift commutator Troubleshooting method:Remove oil stains and sand down Reason 3:The surface of the forklift commutator is singed or has oil stains Troubleshooting method:Sanding and degreasing with sandpaper Reason 4:Forklift armature coil and forklift commutator out of welding Troubleshooting method:Repair soldering with soap solder Reason 5:Forklift wires are not in tight contact Troubleshooting method:Check forklift switch contacts and polish with sandpaper Reason 6:Forklift electromagnetic switch contact point singeing, poor contact Troubleshooting method:sanded with sandpaper Reason 7:The forklift battery is insufficiently charged or the voltage and capacity do not meet the regulations Troubleshooting method:Charge the forklift battery to make the voltage and capacity meet the requirements Reason 8:The engine lubricating oil solidifies in winter, and the starting resistance is too large Troubleshooting method:Warm up forklift engines or switch to winter oil
  • What should I do if the forklift engine is not running?
  • What should I do if the alternator does not alternator electricity and the charging is always insufficient?
    What should I do if the alternator does not alternator electricity and the charging is always insufficient?

    2022-04-22

    admin

    When you find that your forklift alternator does not alternator electricity or is always undercharged, you can try to service your forklift in this way and replace the damaged forklift parts. Reason 1:The alternator is loose and the rotor coil is disconnected Troubleshooting method:Repair or replace Reason 2:Partial short circuit of alternator stator core or stator coil Troubleshooting method:Repair or replace Reason 3:The silicon rectifier is damaged or short-circuited Troubleshooting method:replace Reason 4:The contact of the brush is poor, and there is a stuck phenomenon in the brush holder hole; the spring pressure is less than 0.98-1.96 N; the slip ring has oil stains Troubleshooting method:sand and wipe with 00 grit sandpaper; adjust or replace brush springs; clean slip rings Reason 5:The wiring is broken, short circuit, bad contact, wrong connection Troubleshooting method:Check for repairs Reason 6:Regulator adjustment voltage is too low or too high Troubleshooting method:Adjust Reason 7:Dirty, singeing or oxidized contacts, uncontrolled traction Troubleshooting method:Clean, Repair, Replace Reason 8:The relay coil is burned out Troubleshooting method:Replace Reason 9:Voltage coil or resistor wiring is disconnected Troubleshooting method:Repair Reason 10:alternator belt slack Troubleshooting method:Adjust
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