Important Information
UD-series Screw Compressors
iii
Important Information
Intended Use of this Product
This product is a screw compressor intended use for freezing and refrigeration.
Do not use this product for any other purposes for which it is not intended or deviate from the
specifications which are described in Chapter 2, Article 2.3 “Compressor Specifications”.
The maintenance service should be performed according to the procedures described in this manual.
Always pay attention to perform the works in a safe manner and working environment.
Important Information for Safe Use of This Product
Although MAYEKAWA has paid a lot of attention to safety measures for this product, all hazards
including potential hazards caused by human errors, or due to environmental conditions can not be
anticipated.
There are guidelines that must be followed to ensure proper use of this product. However, the warnings
in this manual and safety labels on this product are not all inclusive. When operating the product, pay
extreme caution on personnel safety as well as on items described in this manual or required by
common safety practice.
Important rules for safety work with the product that apply to all workers including managers and
supervisors are listed below.
Before using this product, carefully read and fully understand the contents written in this manual and
pay attention to safety.
Operation, maintenance, and inspection of this product should be performed by qualified
personnel educated about the fundamentals of the product and trained about hazards
involved and measures to avoid danger.
Do not allow any person other than those educated on the fundamental expertise of the
product and trained about hazards involved and measures to avoid dangers to approach the
product while it is operating or during maintenance.
Observe all related federal/national and local codes and regulations.
To prevent accidents, do not carry out any operation or maintenance other than those
described in this manual, or use the product for any unapproved purpose.
Replace the parts with the
genuine parts.
Not only workers but also managers should actively participate safety and health activities in
the workplace to prevent accidents.
When closing or opening valves during work, apply lockout/tagout without failure, to prevent
the valves from closing or opening accidentally during the work.
[Lockout] To lock with a key in order to keep people, except the workers involved, from
operating the product.
“
Lockout” is a safety procedure to make sure that machines or equipment are property shut off and
not able to be started up again by locking the power source to them.
Lockout is not just simply turning off the switches to stop the power supply, but includes immobilizing
them with a key or similar device to prevent unauthorized access.
Lockout devices are devices such as keys, covers, and latches, to immobilize and shut-off switches,
valves, opening and closing levers, etc.
[Tagout] To prevent any inappropriate work by hanging tag plates indicating like “work in
progress”.
“
Tag-out” means to clearly indicate that a device is in lockout and that operation of the device is
