L46A1 Mast Section Maintenance and upkeep of electrical system of tower crane
1. Always check all wires and cables for damage, and bandage or replace damaged parts in a timely manner.
2 When the motor is overheated, it must be parked in time. After troubleshooting, it must continue to operate. The motor bearing must be lubricated well.
3 All control boxes, distribution boxes, etc. should be kept clean, and dust on electrical equipment should be cleaned in a timely manner.
4 The contact of the trip switch on each safety device must be reliable, and the contact arc pit should be polished in time.
5 The protective ground resistance should be measured twice a year to ensure that it does not exceed 4 Ω.
L46A1 Mast Section L46A1 mast section good at in this field
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