2205B0JE-DA-J-N_2014.05.
1 Safety
Screw Compressor J-series
1.4 Safety Devices
1-10
1.4 Safety
Devices
For safe use and protection of the compressor, make sure to attach safety devices to the compressor
that comply with the regulations and the following descriptions.
Safety devices must be properly and periodically maintained and inspected. It is important to include
maintenance and inspection of safety devices in the periodical maintenance/inspection schedule. Make
sure to provide users of the compressor with necessary information on types, attachment positions,
functions, inspection method of the safety devices.
Check the safety devices after turning on the power and before operation of the
compressor. If they do not operate normally, immediately take measures to
replace them.
1.4.1 Emergency Stop Button
Overview/Function/Purpose
The emergency stop buttons are used to stop the compressor operation immediately if an
emergency occurs to the compressor.
Installation
Locations
The emergency stop buttons should be installed in the controller on the compressor and in the
operating control room
Stop/Reset
Methods
To activate and reset the emergency stop buttons, refer to the unit instruction manual.
Inspection
Method/Cycle
The emergency stop buttons must be tested before a test run as well as periodically. For details
about the inspection procedure and inspection cycle of the emergency stop buttons, refer to the
unit instruction manual.
1.4.2 Breakers for the Main Motor Power and Control Power
(with Lockout/Tagout Devices)
Overview/Function/Purpose
Turn off the main motor and control power, and if there are any possibilities of danger during work
(especially during cleaning, maintenance, inspection, or troubleshooting), lockout/tagout devices
must be set up for breakers of the main motor and control powers to prevent injury to workers in
case the power is turned on accidentally during work.
Methods of Performing and Releasing Lockout/Tagout
In accordance with the regulations created by Occupational Safety & Health Administration
(OSHA) and other authorities, make sure to clearly indicate methods of performing and releasing
lockout/tagout and provide users of this compressor with the necessary information.
Inspection
Method/Cycle
For inspection procedures and the inspection cycle of the lockout/tagout devices, refer to the unit
instruction manual.