2201Q4JE-MY-C9-N_2018.01.
Chapter 1 Safety
Compound 2-stage Screw Compressor 4032**C
1.4
Safety Devices
1-6
1.4
Safety Devices
For safe use and protection of this product, make sure to attach safety devices to this product in
accordance with the regulations and the following instructions.
Safety devices cannot be kept in normal condition unless inspected and maintained at regular intervals.
Their maintenance and inspection need to be performed as an important part of the
maintenance/inspection work project. Provide users of this product with necessary information on the
safety devices, for example, types of the safety devices, installation position, function, and inspection
method of safety related devices.
Check the safety devices after turning on the power and before operation of the
compressor. If they do not operate normally, immediately take repair or replace
safeties before starting compressor.
1.4.1 Emergency Stop Button
Overview/Function/Purpose
The emergency stop buttons are used to stop this product operation immediately if an emergency
occurs in this product.
Installation Positions
On the local control panel and in the operation control room
Stop/Restoration Methods
The operating procedures for the emergency stop button, i.e., how to stop the operation and restore
the normal operating condition, must be clearly defined and the information provided to the user of
this product.
Inspection Method/Cycle
The emergency stop buttons must be tested before commissioning and must also be periodically
re-tested after that. The inspection procedures and the inspection interval for the emergency stop
button must be clearly defined and the information provided to the user of this product.
1.4.2 Breakers of Motor Main Power and Control Power
(with Lockout/Tagout Mechanism)
Overview/Function/Purpose
Turn off the main motor and control power, and if there is any possibility of danger during work
(especially during cleaning, maintenance, inspection, or troubleshooting), lockout/tagout devices
must be used on the breakers of the main motor and control powers to prevent injuries to workers in
case the power is turned on accidentally during work.
Methods of Performing and Releasing Lockout/Tagout
Make sure to clearly notify methods of performing and releasing lockout/tagout referring to the
regulations created by Occupational Safety & Health Administration (OSHA) or local governing
body.
Inspection Method/Cycle
The inspection procedures and the inspection interval for the lockout/tagout devices, must be
clearly defined and the information provided to the user of this product.
