Tweco 190 MIG Thermal Arc Fabricator - Manual (Page 19)

FABRICATOR 190 WELDING MACHINE
Manual No. 0-4838 2-3 INTRODUCTION
2.08 User Responsibility
This equipment will perform as per the information
contained herein when installed, operated, maintained and
repaired in accordance with the instructions provided. This
equipment must be checked periodically. Defective
equipment (including welding leads) should not be used.
Parts that are broken, missing, plainly worn, distorted or
contaminated, should be replaced immediately. Should
such repairs or replacements become necessary, it is
recommended that such repairs be carried out by
appropriately qualified persons approved by Thermal Arc.
Advice in this regard can be obtained by contacting
Thermal Arc.
This equipment or any of its parts should not be altered
from standard specification without prior written approval
of Thermal Arc. The purchaser of this equipment shall
have the sole responsibility for any malfunction which
results from improper use or unauthorized modification
from standard specification, faulty maintenance, damage
or improper repair by anyone other than appropriately
qualified persons approved by Thermal Arc.
2.09 Duty Cycle
Duty Cycle is the amount of arc-on time (actual welding
or cutting time) during any 10 minute period that a
machine can operate at it’s rated output without damaging
internal components. For example, the Fabricator 190 is
designed for 15% duty cycle at 190 amps. This means
that it has been designed and built to provide the rated
amperage, 190 amps, for 1 minute and 30 seconds out
of every 10 minute period. During the other 8 minutes 30
seconds of the 10 minute period the Fabricator 190 must
idle and be allowed to cool. The thermal cutout will operate
if the duty cycle is exceeded.
0
20
40
60
80
100
0 20 40 60 80 100 120 140 160 180
Welding Current (Amps)
Du
ty
Cy
cl
e
(%
)
Safe
Operating
ZONE
Art # A-07598
Figure 2-1: Fabricator 190 Duty Cycle Curve
2.10 MIG Gun Specifications
MIG Gun Specifications
Gun Catalog Number 10217P
Gun Type
TWECO Weldskill 200 Amp
Gun Cable Length 10ft (3m)
2.11 Options and Accessories
Refer to the Appendix section of this manual for the list
of available options and accessories for this product.