1, motor, reducer, hydraulic coupling, head, tail and other parts of the connection parts must be complete, intact, tight. Reducer, hydraulic device shaft joint should be no oil leakage, oil quantity should be appropriate.
2, the signal must be sensitive and reliable, no signal is allowed to boot. Spray sprinklers should be kept in good condition.
3. Power cables and operation lines must be hung neatly without being squeezed;
4, the head near the coal, gangue, debris and motor, reducer coal dust must be cleaned;
5, working face scraper conveyor head and transfer machine tail lap should be appropriate;
6, scraper chain board is moderate, scraper and screws must be complete fastening;
7, transfer machine walking car must be stable and reliable;
8. Under the circumstances of starting up the bridge body of the transfer machine, the operation of each part should be without abnormal sound, and the scraper, chain and connecting ring should be torsion free, twist twist and bending deformation;
9. The roadway support of the crusher and crusher must be intact and firm.
10. The safety protection net and protective device of the crusher shall ensure no deformation, failure, safety and reliability;
11. The roadway support of the transfer machine and crusher must be intact and firm.