COMEUP Chain Hoist (Ver:02) - Manual (Page 5)

I . Installation Precaution
3
General Safety Precaution
Power Cut-Off Switch ( option )Precaution
1. It will be available to equip with a devices of automatic power cut-ff switch which can be
installed below the hoist housing. It alerts Red and cuts off the power if over-load or
abnormal matter found , please stop the operation immediately for further checking.
2. If it alerts Red and cuts off the power during operating, lower the load, remove the load
and stop the operation immediately for further checking. Please reset the switch by hand,
3. The hoist is equipped with an up and down mechanical torque limit device, it activates
when over-riding or reversing operation found. It does not allow to activate for more than 6
seconds, otherwise it may damage the hoist endurance.
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Danger
The following environmental conditions may result in the possible causes of which
trouble.
● Low temperature below-10,
high temperature above 40
or humidity above 90% conditions.
※
Cause malfunction of spare parts
● In an organic chemistry or explosive
power conditions.
※
Cause explosion
● In the rain or snow
● In heavy acid or salty conditions
※
Cause rust or short circuit
※
Cause malfunction of spare parts
● In a heavy general powder conditions
※
Cause malfunction of performances