Daily Inspection; Welding Power Source - Panasonic YD-500KR Operating Instructions Manual

DAILY INSPECTION

Warning for Safety
When carrying out maintenance/inspection, be sure to turn off the switch of the switch box
and confirm safety. except when you need to inspect during power-on. Otherwise, it may lead
to a serious accident affecting safety of the human body, such as an electric shock, burn,
etc.
To fully exhibit the performance of this machine and continue safe work every day, it is
important to carry out daily Inspection. Conduct daily inspection on the following blocks,
centering around wear, deformation, and clogging of the (consumable) parts of the welding torch
and wire feeder, and clean or replace the parts as required. For replacement parts, be sure
to use those purely designed for the PANASONIC welding machines in order to maintain performance
and functionality.

Welding power source

Block
Operation panel
Cooling fan
Power unit in general
Surroundings
Inspection point

Sense of operating/changing over
the switches, loose mounting

Secure lighting up/off of the
POWER indicator lamp

Smooth rotating
Generation of cooling wind
 Abnormal vibrations or beating
sound at power-on
 Abnormal odor at power-on trace of
heat generation on
 The appearance,
discoloration
 Breakage of the gas supply route or
loose connection

Loosened clamping parts of the
case and others
Internal
sound and required
sound is heard or an abnormal
sound is heard
such as
30
Remarks
inspection is
when no rotating