Huai'an Crane Rental Company Customers often ask about the problem that the starter does not roll and there is no movement trace when the small crane starts. Today, the editor analyzed the following reasons, hoping to help everyone:
1. Starter fault: poor contact between commutator and brush, open circuit or short circuit in excitation winding or armature winding, grounding of insulated brush, open circuit, short circuit, grounding of electromagnetic switch coil, or poor contact due to ablation of its contacts.
2. Power supply problems: severe battery power loss or plate vulcanization, short circuit, poor contact between battery pole and clamp, loose connection of starting circuit wire, poor contact, etc.
3. Incineration switch fault: the incineration switch is loose or the internal contact is poor.
4. Starting circuit fault: there is an open circuit in the starting circuit, poor contact or looseness of the wire
5. Fault of starting relay: the coil of starting relay is open circuit, short circuit, grounding or poor contact of its contacts.