· The mechanical life of the FB brake is 2,000,000 times, but periodically check the brake
gap G. After use for an extended period of time, the brake lining will be abraded, making
it impossible to release the brake. When the brake is used for more than 2,000,000
times, the motor may fall or go out of control because of the abrasion or breakage of
mechanical parts.
· In the initial operation or right after exchange of the brake lining, specified braking
torque might not be outputted. When this happens, under the least loading, turn the
power switch on and off to rub the friction sides together.
40
9. Brake Maintenance
This section discusses the operation and maintenance of the sumitomo brake . (When using
another manufacturer
,
s brake , please refer to their maintenance manual.)
Refer to Brake operation manual (Cat.No.MM0202E) for FB-01A1, 02A1, 05A1, 1D, 2D, 3D,
5B, 8B,10B1 and 15B1 outdoor type.
DANGER
Do not handle the unit when cables are live. Be sure to turn off the power; otherwise,
electric shock may result.
When the motor is used for lifting, do not release the brake while a load is lifted, otherwise
the load may fall, leading to an accident.
Do not operate the motor with the brake released by the manual loosening bolt, otherwise
the motor may fall or go out of control.
Turn on and off the power to check the braking operation before starting the motor,
otherwise the motor may fall or go out of control.
Do not allow water or grease to collect on the brake, otherwise the motor may fall or go out
of control due to a drop in the brake torque.
CAUTION
After inspection and/or adjustment of the gap, do not operate the motor without replacing
the fan cover; otherwise loose clothing may become caught in rotating parts and cause
serious injury.
Replacing the brake lining reguires specific skills. Be sure to use a workshop specified by
sumitomo for brake replacement.
9. Brake Maintenance
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