3
Definition of intended users for this manual
Operator
This manual has been prepared to help all intended users involved with this product. From the stand point of
safety, we have defined intended users according to their ability and experience and provided detailed
descriptions for each group.
This manual defines four user levels.
Maintenance
operator
The operator is a user who engages in general operations. Maintenance and other
operations that require special skills are excluded from the general operations. The
operator is therefore not permitted to disassemble the main equipment.
The operator should read the manual thoroughly and carry out their work with
complete understanding of the operating procedures.
In addition to the work of the operator described above, the maintenance operator
is permitted to perform installation, simple troubleshooting, and periodic
inspections. The maintenance operator is required to develop sufficient knowledge
and operating skill for this product. The maintenance operator should read the
manual thoroughly and carry out their work with complete understanding of the
equipment’s characteristics and all work contents.
Spring Balancer Repair Manual
Service engineer
The management supervisor is required to have sufficient knowledge of the product
and advanced operating skill for this product.
The management supervisor should manage not only the product itself but on-site
operations that handle the product, comprehensively.
In The service engineer is a worker with special knowledge and skills for installing the
product, investigating the causes of a failure or damage, and performing repairs
and overhauls. Service engineering (the work by the service engineer) is performed
by our service technicians or authorized service technicians.
Management
supervisor
Emergency contact in case of malfunctions
If any problem with the product arises, contact us or your dealer.
