Draper 71091, Instruction Manual

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4. INTRODUCTION
5
4.1 SCOPE
These MIG welders are a limited duty machine designed to perform ARC welding fabrication
on a variety of steel types with either shield gas or flux cored filler wire.
4.2 SPECIFICATION
Stock no. ................................................................ 71091............................................ 71095
Part no. ................................................................ MW140T .....................................MW170T
Input:
Voltage
(U
1
..V) ................................................ 230V...............................................230V
Phase ................................................................. 1........................................................ 1
Frequency ....................................................... 50Hz...............................................50Hz
Rated maximum
supply current (I
1max
) ....................................... 25A.................................................. 25A
Rated supply current (I
1eff
) ................................ 8A..................................................... 8A
Capacity .........................................................3600W ..........................................5200W
Output:
No-load voltage (U
0
..V) .................................... 33V..................................................34V
Welding current range
(..A to ..A) .................................................... 50A-130A ................................... 60A-160A
(..V to ..V) ................................................ 16.5V to 20.5V............................. 17V to 22V
Duty factor:
10% ................................................................. 130A............................................... 160A
35% ............................................................. 70A/17.5V ................................. 86A/18.3V
60% .............................................................. 53A/17A ....................................65A/17.3A
100% ...................................................................- ......................................................... -
Protection fuse.......................................................... 16A.................................................. 16A
Welding wire ....................................................0.6mm-0.9mm .......................... 0.6mm-0.9mm
Torch coupling ........................................................Direct .............................................Direct
Insulation class ........................................................... H .......................................................H
IP Protection class.................................................. IP21S ............................................ IP21S
Cooling device ......................................................... Fan.................................................. Fan
Max. working temperature ....................................... 40
O C............................................... 40 O C
Dimensions (mm) .......................................... 540x300x440mm ..................695x395x450mm
Weight ..................................................................... 31kg ............................................... 37kg
4.3 HANDLING & STORAGE
Care must still be taken when handling and lifting. Dropping this machine will have an effect
on its operation and may also result in personal injury. This machine is not a toy and must be
respected.
The environment will have a negative result on its operation if you are not careful. If the
machine is unprotected from dust and debris; components will become clogged:
And if not cleaned and maintained correctly or regularly the machine will not perform
at its best.