Nihon Bisoh Co.,Ltd. BISOMAC210 3Phase MM2014/11
KH-2014008 Rev.4
41
7.3.1 Tests and inspections: Lifting the platform and emergency stop function
[WARNING: Lifting operation and emergency stop function]
[Inspection procedure /Independent control]
1. Lift up the platform approximately 40 inch from the ground and lower down to the ground
again. Repeat this process several times to check if there is no abnormal vibration such as the
hoist is shaking.
2. Check if Hour meter works properly.
3. Press Emergency stop switch to cut off the power to the hoist.
4. Confirm that red indicator lamp of the Emergency Stop Switch lights up.
5. Ensure that the hoist does not operate even operation switch is operated.
6. Reset Emergency stop switch. Ensure that the hoist resumes its normal operation.
WARNING
1. Stop operating the hoist immediately if any defect such as abnormal noise is found.
Replace with the hoist which inspected and passed all tests.
Do not use abnormal hoist. Parts inside the hoist may be damaged. Continued using may
cause the platform to fall or tilt and consequently operators or objects might fall, resulting in
serious injury or death to operators or passers-by.
2. Stop operating immediately if wire rope does not travel through the hoist while the
platform is suspended even motor is working.
Wire rope may be jammed inside the hoist or sheave may be slipping. Continued using may
result in damage to the equipment or wire rope to cut off. This may cause the platform to fall
or tilt and consequently operators or objects might fall, resulting in serious injury or death to
operators or passers-by.
3. Do not use the hoist if Emergency stop switch does not work.
In the event of failure in circuit, the hoist may not be able to stop properly. This may cause
the platform to fall or tilt and consequently operators or objects might fall, resulting in serious
injury or death to operators or passers-by.
4. Operate Emergency stop switch and operation switch only by hand.
Using foreign objects to operate the hoist may damage to switch or switch cover and allow
water to get in to the hoist. It may cause malfunction of the hoist and the platform to fall or tilt
and consequently operators or objects might fall, resulting in serious injury or death to
operators or passers-by.
5. Stop operating immediately if the hoist travels to wrong direction.
This may cause the platform to fall or tilt and consequently operators or objects might fall,
resulting in serious injury or death to operators or passers-by.
