4.Insta llation
lllill
4.1 Unpacking
After unpacking ,please check carefully to ensure the cable ,gearbox,
and motor shell are not damaged ,and check whether the number of
the following items is correct .Every hoist should be equipped with
the following standard accessories.
1.Chain bag
One
2.Control cable
3 Meter
3. Push button
One
4.2 Voltage
A
Note
If the voltage of power supply is over or less 10% than standard voltage
to operate hoist under the abnormal voltage will result in motor damage ,
hence , before operation , be sure to confirm whether the voltage of power
supply is within the standard range.
4.3 Installation
A
Warning
It is forbidden to link the power supply before the completion of installation
4.3.1 Before installing the hoist, please confirm the whole upper hook assembly
has been firmly assembled to the hoist body (ensure the chain connection
pin is installed properly).
Remarks :If the hoist is equipped with electric trolley, the first step (to separate
the upper hook from the hoist body) can be omitted ,it is only required
to install the hoist between two side plates of trolley, and lock the upper
hook.
4.3.2 Assemble chain bag (Fig.4.1)
4.3.3 Link the power supply and operate the push button, the procedure should be
performed by professional trained person .(Fig.4.2)
(Fig.4.1)
lm-1.Sm
Power cable pulley
R S T
Electrical box
Contactor
0
W O N
� O F F
··· ................................ red
Earth
··································
black
(yellow and green or green)
(Fig.4.2)
4.3.4 Operation test
(a) Press the(!) push button to lower the hoist until the limit spring touches the limit switch,
and the motor will stop automatically .
(b) Press the(t)button until the chain are totally in chain bag and the motor stops.
(c) Test the function of the emergency stop switch (if the emergency stop switch is selectively
purchased )Press button(!) or (j), and press the emergency stop switch at the same time to
check whether the hook can stop immediately . When the emergency switch is pressed ,there
will be no response when any other button is pressed .Finally ,turn the emergency switch in
clockwise and it will bounce back to the original position .When it bounces back, the hoist
can be operated again ,if any of the above -mentioned tests is abnormal , it is required to
check the distribution circuit and the self-locking of the emergency switch .
(d) Check the direction of chain .All welding points should be of the same direction .(Fig 4.3).
The operation can not be utterly proper unless all the welding points of chain are in the
same line.
..
__
