SAN YUAN ER3 Series, Maintenance And Operational Instructions

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6
CAUTIONS IN OPERATION AND MAINTENANCE
An electric hoist has been used as a safe and convenient machine to save time and la-
bor in operation. Before use, however, careful attention must be paid to operational
safety and inspection procedures. Therefore, before operating this electric hoist, please
read the following instructions and follow correct operational methods. Otherwise, it will
not perform properly as is expected.
(A) Before the installation, please ensure the delivery to have the exact specifications
as you had purchased. This machine has been subjected to strict inspection before
delivery
ex-work. In case of any trouble caused during the handling process, please contact
your local distributor or service station. We shall provide best services to meet your
satisfaction.
(B) Items to be inspected before operation :
1. Mount the hoist in position. Make sure to secure the power cords and control cables,
so as to avoid poor electrical connection.
2. For the wiring system, this machine must be grounded
（
green wire
）
to avoid slight
leakage caused by static charge.
3. Depress the button switch when the machine runs in idle and check if the UP
（↑）
and DOWN
（↓）
operation is consistent with the switch indication.
4. The surface of chain
（
Wire ROPE
）
must be kept clean and oiled, to avoid the chain
（
Wire ROPE
）
from interwinding.
5. To store the chain, lower the chain to the lower limit, mount the chain bag onto the
hoist, then, put the chain into the chain container.
6. Check the correct operation of the limit switch for upper and lower limits and brake
stop
device.
(C) CAUTIONS FOR THE USE OF ELECTRICAL HOIST
1. For the sake of safety, do not apply a load in excess of the rated load.
2. Ensure if the load is tightly fastened?
3. Before applying the load, the chain
（
Wire ROPE
）
must be straightened to buffer the
impact.