Oriental motor BH Series Operating Manual

O P E R AT I N G M A N U A L
BH Series
Induction Motors
Introduction
„ Before using the motor
Only qualified personnel of electrical and mechanical engineering should work with the
product.
Use the product correctly after thoroughly reading the section "Safety precautions."
In addition, be sure to observe the contents described in warning, caution, and note in this
manual. The product described in this document has been designed and manufactured
to be incorporated in general industrial equipment. Do not use for any other purpose.
Oriental Motor Co., Ltd. is not responsible for any damage caused through failure to
observe this warning.
Safety precautions
The precautions described below are intended to ensure the safe and correct use of the
product, and to prevent the customer and others from exposure to the risk of injury.
Use the product only after carefully reading and fully understanding these instructions.
Handling the product without observing the instructions that
accompany a "WARNING" symbol may result in serious injury or
WARNING
death.
Handling the product without observing the instructions that
CAUTION
accompany a "CAUTION" symbol may result in injury or property
damage.
The items under this heading contain important handling
Note
instructions that the user should observe to ensure safe use of the
product.
[Description of
:
Indicates "prohibited" actions that must not be performed.
graphic symbols]
:
Indicates "compulsory" actions that must be performed.
• Do not use the product in explosive or corrosive environments, in the presence of
flammable gases, locations subjected to splashing water, or near combustibles.
Doing so may result in fire, electric shock or injury.
• Do not move, install, connect or inspect the product while the power is supplied.
Always turn off the power before carrying out these operations. Failure to do so
may result in electric shock.
• Do not forcibly bend, pull or pinch the lead cable (wire). Doing so may result in
fire and electric shock.
• Do not touch the connection terminal of the capacitor immediately after the
power is turned off (for a period of 30 seconds). The residual voltage may cause
electric shock.
• Do not disassemble or modify the motor and gearhead. This may cause electric
shock, injury or damage to equipment.
• Only qualified and educated personnel should be allowed to perform installation,
connection, operation and inspection/troubleshooting of the product. Handling
by unqualified and uneducated personnel may result in fire, electric shock or
injury.
• Turn off the power in the event the overheat protection device (thermal
protector) is triggered. Failure to do so may result in injury or damage to
equipment, since the motor will start abruptly when the overheat protection
device (thermal protector) is automatically reset.
Ⅰ
• The motor is Class equipment. Install the motor so as to avoid contact with
hands, or ground it to prevent the risk of electric shock.
• Install the motorin an enclosure. Failure to do so may result in electric shock or
injury.
• Keep the input power voltage within the specified range. Failure to do so may
result in fire or electric shock.
• Securely connect the cables in accordance with the connection diagram. Failure
to do so may result in fire or electric shock.
• Insulate the connection terminals of the supplied capacitor using the supplied
capacitor cap. Failure to do so may result in electric shock.
• Turn off the power in the event of a power failure. Or the motor may suddenly
start when the power is restored and may cause injury or damage to equipment.
HM-9139-13
WARNING
Thank you for purchasing an Oriental Motor product.
This Operating Manual describes product handling procedures and safety precautions.
• Please read it thoroughly to ensure safe operation.
• Always keep the manual where it is readily available.
• Do not use the motor, gearhead beyond its specifications. Doing so may result in
electric shock, injury or damage to equipment.
• Do not touch the motor, gearhead during operation or immediately after
stopping. The surface is hot and may cause a skin burn(s).
• Do not lift the motor by holding the motor output shaft or motor lead wires
(cables). Doing so may result in injury.
• Do not touch the motor output shaft (end or pinion) with bare hands. Doing so
may cause injury.
• Keep the area around the motor free of combustible materials. Failure to do so
may result in fire or a skin burn(s).
• Do not leave anything around the motor that would obstruct ventilation. Doing
so may result in damage to equipment.
• Do not touch the rotating part (output shaft) while operating the motor. Doing so
may result in injury.
• When installing the motor, gearhead in the equipment, exercise caution not
to pinch your fingers or other parts of your body between the equipment and
motor or gearhead. Injury may result.
• Provide a cover on the rotating part (output shaft). Failure to do so may result in
injury.
• Securely install the load on the output shaft. Inappropriate installation may result
in injury.
• When an abnormality is noted, turn off the power immediately. Failure to do so
may result in fire, electric shock or injury.
• The motor surface temperature may exceed 70 °C (158 °F) even
under normal operating conditions. If the operator is allowed to
approach the running motor, attach a warning label as shown in
the figure in a conspicuous position. Failure to do so may result in
a skin burn(s).
• Dispose the product correctly in accordance with laws and regulations, or
instructions of local governments.
Preparation
„ Checking the product
Verify that the items listed below are included. Report any missing or damaged items to the
branch or sales office from which you purchased the product.
 Motor ................................................1 unit
The combination type comes with the motor and its dedicated gearhead pre-assembled.
 Capacitor .........................................1 piece (for only single-phase motors)
 Capacitor cap .................................1 piece (for only single-phase motors)
 Parallel key ......................................1 piece (only for combination type)
For BH6G2-, BH8G- and BH6G2-RA, the parallel key is fixed to the gearhead
output shaft.
 Mounting screw ............................1 set (only for combination type parallel shaft)
Hexagonal socket head screw, hexagonal nuts, washer, spring washer: 4 pieces each
 OPERATING MANUAL ..................1 copy (this document)
CAUTION
Warning label
1