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spacers must be equally distributed on the outside of the
side plates.
WARNING
• At least one mounting spacer must be used between
the head of each trolley bracket bolt and the trolley
bracket and between each trolley bolt nut and the trolley
bracket. Failure to do this could cause the hoist to fall
when used improperly.
Ensure the trolley bolts or nuts are torqued in accordance
with manufacturer’s specifications. For installation of hoist
and trolley on beam, make certain the side plates are
parallel and vertical.
After installation ensure beam stops are in place, operate
trolley over entire length of beam with a capacity load
suspended 4 to 6 inches (10 to 15 cms) off the floor.
CAUTION
• To avoid an unbalanced load which may damage the
trolley, the hoist must be centered under the trolley.
NOTICE
• Trolley wheels ride on the top of the lower flange of
the beam.
Power Connection
DANGER
• Electro technical adjustments should only be
performed by authorized specialists.
The main connection cable, the mains connection fuse and
the main switch must be installed by the customer
beforehand for connecting the electric chain hoist to the
mains power supply.
A 4-wire cable with a Ground protective conductor is needed
to provide the power supply for three-phase models. A
3-wire cable with a protective conductor is adequate for
single-phase models. The length and the gage must be
determined to support the power consumption of the electric
chain hoist.
DANGER
• The ground conductor is not to carry any power. With
motorized trolley operation, the power supply is
enclosed in a terminal box on the drive motor. With the
installation of a motor protector, the load plate voltage
of the electric chain hoist must be noted.
CAUTION
• Checking direction of rotation: If the direction of
rotation does not correspond with the button symbols
on the control switch, power supply wires L1 and L2
must be swapped round.
NOTICE
• Wire connection at the terminal is in accordance with
figure 3.
Electrical Connections
, if not tight and secure, will be an
endless cause of trouble. During installation the electrician
must make sure that all electrical connections including the
ground connection are secure. Make sure all junction boxes
and switch enclosures are adequately sealed and protected
for the environmental conditions to be encountered.
The electric chain hoist must be connected in accordance
with supplied wiring diagrams. Remove approximately 3/8 in.
(9 mm) of the electrical power cable protective casing to
expose cable. Open the integrated clamp with a narrow
blade 1/8 in. (3.5 mm) wide screw driver, as shown in
figure 3, and install power cable end. Cables (leads) can be
identified by color, or in the case of pendant cables, by
numbers taped to each cable. Terminals are identified by
letters or labels on the terminal blocks.
Manufacturer-supplied cables have bare wire ends.
(Figure 3)
Ground (Earth) Connections
The power supply cord includes a grounding (earth)
conductor (green wire). Ensure grounding (earth) conductor
is connected to the green/yellow connector terminal.
DANGER
• The ground (earth), green or green/yellow wire, must
not carry any power. When hoist is supplied with a
trolley, the power supply is connected at the trolley
relay box.
NOTICE
• The ground (earth) connection must be wired to the
green/yellow ground (earth) connection terminal.
Ground (earth) wire of the terminal power supply is
connected to the yellow/green wire (PE).
Direction of Movement Check
CAUTION
• Hoist operation must be in accordance with the
control pendant symbols. If hoist does not operate in
accordance with control pendant symbols then hoist is
misphased. Should this be the case, switch any two
supply power wires L1 and L2.
8-9 mm
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