Installation steps:<br>Step 1: use the hoist as the construction platform to open holes on the bottom of ceiling, install rigging on the roof steel beam of the gymnasium as the top fixed point of the electric hoist of the lifting equipment, pull the chain of the electric hoist through the chain hole opened on ceiling through the rope, connect the chain with the top fixed point rigging, after the installation, the chain and the electric hoist will sag naturally.
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