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