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WeldForce WF-255MST
Weldclass WeldForce WF-255MST - User Manual
80 pages
Manual
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WF
-255
MS
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TR
U
C
T
IO
N
S
IMPORT
ANT!
T
o qualify f
or
full 3
6 month war
ran
ty
, you mus
t r
egister w
ithin 30 da
ys of purchase. S
ee inside f
or details
.
Read these Op
erating
Instru
ct
ions
Comple
tely bef
or
e atte
mpting to us
e this machine. Sa
ve this man
ual and
keep i
t handy f
or quick r
efer
ence. P
ay par
ticular at
tention
to the saf
ety instru
ctions we ha
ve provided f
or
yo
ur pr
otection. Contac
t your
distributor if
you do no
t fully un
derst
and an
ything in this
manual.
2
Table of Contents
Main Page
1 Contents
3
Table of Contents
3
2 Basic Specifications
8
3 Know Your Machine
10
Machine Front
10
Machine Side
10
Machine Rear
11
Control Panel
11
LCD Readout
12
Symbols Chart
13
4 Controls Explained
14
Weld Process Selection
14
MIG Process
14
Stick & TIG Process
14
MIG Program Selection
15
Function Selection
16
Pre-Gas Time (MIG)
17
Post-Gas Time (MIG)
17
Soft-Start Adjustment (MIG)
17
Burnback Adjustment (MIG)
17
Spot/Stitch Weld Time (MIG)
17
Stitch Weld Gap/Interval Time (MIG)
17
Spool Gun On/Off (MIG)
18
Post-Gas Time (TIG)
18
Slope down Time (TIG)
18
Hot Start Adjustment (Stick)
18
Arc Force Adjustment (Stick)
18
Optional VRD Function (Stick)
18
Trigger Mode Selection
19
Standard Trigger)
19
Latch Trigger)
19
SP (Spot/Stitch)
19
Inductance Control
20
Test Gas
20
Feed Wire / Wire Inch
21
Job Memory
21
Save or Update a Job
21
Recall a Job
22
Error/Over Temperature Indicator Light
22
5 Power Supply
23
Electrical Connection
23
Setting Machine to 15A Input Mode
23
Setting Machine Back to Full Output Mode
23
Extension Leads
23
Generator Use
24
Generator Size
24
Generator Quality & Warranty Limitations
24
Golden Rules of Generator Use
24
6 Operating Environment
25
Location
25
Ventilation
25
7 Basic Operation
26
MIG Welding
26
Fitting Wire Spool - 270/300Mm Diameter (15Kg)
26
Fitting Wire Spool - 200Mm Diameter (5Kg)
27
Loading Wire Feeder
28
Gasless Welding Setup
29
Gas MIG Welding Setup
30
Additional Setup for MIG Welding with Aluminium
31
Spool Gun Setup
31
Adjusting Settings for MIG Welding in Manual Mode (Program 0)
32
Adjusting Settings for MIG Welding in Synergic (Auto) Mode
32
Stick (MMA) Welding Operation
33
Lift TIG Operation
34
8 Accessories, Spare Parts & Circuit Diagrams
35
MIG Torch and Spares
35
TIG Torch and Spares (Optional Extra)
36
Optional Accessories
37
Drive Rollers
37
Machine Spare Parts
38
Primary Schematic Circuit Diagram
40
9 Care & Maintenance
41
Keep Your Welding Machine in Top Condition
41
Storing the Welder
41
10 General Guide to Welding
42
Duty Cycle Rating
42
Choosing a Welding Process - MIG, Stick or TIG
42
The Stick (MMA) Process
42
The TIG Process
43
The MIG Process
43
Joint Preparations
44
11 Mig Basic Welding Guide
46
MIG Basic Welding Techniques
46
Gas Metal Arc Welding (GMAW)
46
Flux Cored Arc Welding (FCAW)
46
Position of MIG Torch
47
Distance from the MIG Torch Nozzle to the Work Piece
47
Travel Speed
47
MIG Welding (GMAW) Variables
48
Preselected Variables
48
Primary Adjustable Variables
48
Secondary Adjustable Variables
48
Establishing the Arc and Making Weld Beads
50
MIG Voltage & Wire Speed Settings
50
Setting Wire Speed/Amperage
50
Setting Voltage
50
Changing to a Different Welding Wire
50
How to Determine Correct Wire Speed/Voltage Setting
51
Suggested Settings for Typical MIG Applications
51
Welding Wire Size Selection
51
MIG Welding Troubleshooting
52
Porosity Problems
52
Wire Feed Problems
53
Weld Quality Problems
54
12 Stick (Mma) Basic Welding Guide
56
Size of Electrodes
56
Storage of Electrodes
56
Electrode Polarity
56
Effects of Stick (MMA) Welding on Various Materials
56
High Tensile and Alloy Steels
56
Manganese Steels
56
Cast Iron
56
Types of Electrodes
57
Mild Steel
57
Cast Iron
57
Stainless Steel
57
Suggested Settings for Typical Stick (MMA) Applications
57
MMA Welding Techniques
58
A Word for Beginners
58
The Welder
58
Striking the Arc
58
Arc Length
59
Rate of Travel
59
Making Welded Joints
60
Butt Welds
60
Fillet Welds
61
Vertical Welds
62
Overhead Welds
63
MMA (Stick) Troubleshooting
64
13 Tig Basic Welding Guide
66
TIG Electrode Selection and Preparation
66
Electrode Polarity
66
Preparing Tungsten for DC Electrode Negative (DCEN) Welding
67
Shielding Gas for TIG Welding
68
Typical TIG Welding Settings
68
TIG Welding Troubleshooting
69
14 Knowledge & Resources
70
15 Safety
70
Store and Retain this Manual
70
Important Safety Information
70
Welding Operation
70
Welding Safety Instructions & Warnings
72
Personal Safety
73
Arc Rays Can Burn Eyes and Skin
73
Noise Can Damage Hearing
73
Work Environment Safety
74
Electricity Can Kill
74
Fumes and Gases
75
Fire & Explosive Risks
76
Sparks & Hot Metal
76
Gas Cylinders
77
16 Warranty
78
Warranty Period
78
Warranty Includes and Covers
78
Warranty Excludes / Does Not Cover
78
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Weldclass WeldForce WF-255MST Specifications
General
Brand
Weldclass
Model
WeldForce WF-255MST
Category
Welding System
Language
English
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