Maintenance And Inspection; Daily Check; Welding Machine (This Product); Cables - Panasonic YD-350GL4 Operating Instructions Manual

10. Maintenance and inspection
WARNING
Make sure to turn off the power switch and the switch of the distribution box before making a daily
check. (However, any external check made without touching current-carrying parts or their
surrounding area is excluded.)
10.1 Daily check
Perform the daily check without fail. It is important to
●
make the most of the performance of this product and
to secure the safety of daily operations.
Check the items indicated in the following table, and
●
conduct the cleaning and replacement of parts when
necessary.
10.1.1 Welding machine (This product)
Check item
Devices on the front panel
Ntote
Front panel
Terminal cover at the bottom
Rear panel Input power terminal cover
Eyebolts and other bolts
Top panel
Bottom panel Casters
Side panel
Panels
Appearance
After turning ON the power switch, check the followings
Overall
• If the cooling fan makes unusual rotation noise.
• If the cooling fan generates cooling wind all right.
• If there is any unusual vibrations, beats or odor.
Note: The parts behind the terminal cover at the bottom are periodical check items.
10.1.2 Cables
Check item
If each grounding wire is connected all right and fastened
Grounding wires*
securely.
• If cable coating is worn or damaged.
• If any current-carrying parts is exposed.
Other cables • If any heavy items not placed on the cable.
• If the connection of the base metal cable is fastened
securely.
* Check grounding wires for perhipheral equipment, such as base metal and water cooling unit as well as for this
product.

Maintenance and inspection

Touching any current-carrying parts may cause a fatal electric shock or
burn injury
To prevent a fatal accident, such as an electric shock, burn injury, etc., make sure to
observe the followings.
Breakage or loose attachment.
If it is fixed with screws.
• If the cover is attached correctly.
• Breakage or loose attachment.
• Check if any foreign matter is
attached to the cooling air intake
vent
Breakage or loose attachment.
Breakage or loose attachment.
Loose attachment.
Check if there is any trace of heat
generation, such as discoloration.
Check point
33
For replacement of parts, make sure to use our
●
genuine parts for Panasonic welding machine to keep
its performance and functions
Check point
To prevent a physical accident caused by
electric leakage, make sure to check it.
To secure the physical safety and
stable arc, check those cables in an
appropriate manner according to the
conditions of shop floors.
Daily check: Quick and rough check
Period check: Thorough check
Remarks
If there is any defect, an inside
check, additional fastening,
parts replacement, etc. are
required.
If there is any defect, additional
fastening, parts replacement,
etc. are required.
If there is any unusual events,
an inside check is required.
Remarks