Chapter 1: Precautions; Prior To Using The Lw250 Laser; Installation Site And Electrical Supply; Carrying The Lw250 Laser - Unitek Miyachi LW250 Operation, Maintenance And Service Manual

Prior To Using The LW250 Laser

NOTE: Please have all personnel who will be working with the
LW250 Laser read this manual and the Laser Safety User's
Manual, Part No. 990-502, thoroughly before attempting to operate
or maintain the laser.
WARNING: Operating, adjusting, maintaining or servicing the
LW250 Laser in a manner other than described in this manual may
expose personnel to laser radiation or electrical hazards.

Installation Site And Electrical Supply


Install the LW250 Laser securely on a firm, level floor that is free from vibration.

Use 208VAC or 230VAC, 50Hz/60Hz, 3-phase power, with a minimum of 1.5
kVA capacity.

Install good grounding.
CAUTION: When power is turned on, a surge current may be
generated. Use a circuit breaker that has a rating of 10 amps or
greater.

Carrying the LW250 Laser

When you carry the laser, hold the bottom of the housing between the front and back casters. Do
not hold the laser by the maintenance door; it may break if you try to lift or carry the laser with
it.

Handling The Fiber Optic Cables

Optical fibers may be damaged and become unusable when they are bent beyond their minimum
bend radius or subjected to the shock of a strong impact (refer to Table 1-1).
990-605 REV B: May, 1997
CHAPTER 1
PRECAUTIONS
LW250 PULSED Nd: YAG LASER
1-1