Construction hoist procedures

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Construction hoist procedures

1, focus onexamination of the job before the project shall meet the followingrequirements:
   1) the structure of the various partswithout deformation, no loose bolts;
   2) rack and pinion, guide wheels areengaged with the guide rail is normal;
   3) fixed rope ministries good, noabnormal wear and tear;
   4) within the operating range ofaccessibility.

2, before the start, you should check that the cable, the ground wire isintact, the control switch inthe zero position.

3, the operatorshould operate in accordance with the command signal. Song before the jobshould indicate. Before the lift is not cut off the power switch, the operatorshall not leave the operating positions.

4, when theelevator is running an abnormality is detected, immediately stop and takeeffective measures cage down to the bottom of the ladder, can continue to runafter troubleshooting

5 lifts heavyrain, fog, high winds and more than six and rack rails, cables and otherfrozen, must be stopped and dropped to the bottom of the ladder cage, cut offthe power.

6 lifts run to the uppermostor lowermost layer, the non-use as a travellimit switch stops operationcontrol switch.
7, when the elevator is running due to apower failure or other reasons stoppedhalfway, you can manually decline,the motor end of the brake release solenoid manuallypull out the handle slowly, slowly declineline of the ladder cage. When the laddercage fell, shallnot exceed the rated speed,manual drop mustbe manipulated by qualifiedservice personnel.
After the operation, it should be dropped to the bottom of the ladder cage, each of the control switch to the zero position, cut off the power lock switchboxes, locking ladder and envelope kenneldoor.