Stud welding unit N800i
As of 24.08.2021
Manual part number: BE 1227
Tucker GmbH, Mail / Post: Max-Eyth-Str.1, 35394 Gießen, Germany
99
8.2 Routine Maintenance
Warning!
Prior to commencing any maintenance work the welding unit must
be switched off, disconnected from the mains and secured against
restart!
Only a qualified electrician should perform any work inside the unit’s
casing. Any work done should be made in accordance with all local
and national electrical codes. Failure to do so may result in bodily in-
jury or death.
1. Remove the machine wrap-around cover after disconnecting
input connector.
2. Keeping the machine clean will result in cooler operation and
higher reliability. Be
sure to clean the following areas with a low
pressure air stream. See figure D.1
for component locations.
• Power and control printed circuit boards
• Power switch
• Input rectifier
• Heat sink fins
Warning!
Heatsinks can stand under tension and/or be hot!
• Output terminals
Examine capacitors for leakage or oozing. Replace boards if needed.
1. Examine the sheet metal case for dents or breakage. Repair the
case as
required. Keep the case in good condition to ensure that
high voltage parts are
protected and correct spacing is maintained. All external sheet metal screws must
be in place to assure
case strength and electrical ground continuity.
2. Replace machine cover and screws.
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