Harbor Freight Tools 98871 Welder User Manual


 
Page 21For technical questions, please call 1-800-444-3353.SKU 98871
SAFETYSERVICE BASIC WELDINGWELDING TIPS SETUP
EXCESS PENETRATION OR
BURN-THROUGH
PROPER PENETRATIONINADEQUATE PENETRATION
Not hot enough Too hotIdeal heat
WELD DIAGNOSIS
Workpiece Heat Control / Weld Penetration
Good
Weld
Current
Too Low
Weld Speed
Too Slow
Example Weld Diagrams
TO CORRECT: TO CORRECT: TO CORRECT:
weld
slower
TO CORRECT:
weld
faster
TO CORRECT:
maintain
less
than
1
/
2
stickout
How to increase workpiece heat
and increase penetration:
(to weld THICKER workpieces properly)
How to reduce workpiece heat
and limit penetration:
(to weld THINNER workpieces properly)
Use MAX setting
a.
Weld more slowlyb.
Use faster wire feedc.
Use shorter stickoutd.
Use MIN settinga.
Weld more quicklyb.
Use slower wire feedc.
Use longer stickoutd.
90 AMP FLUX WIRE WELDER
120 V~
60 Hz
Gun
WIRE-FEED SPEED
0
1
2
3
4
5
6
7
8
9
10
MAX
MIN
ON
OFF
or
90 AMP FLUX WIRE WELDER
120 V~
60 Hz
Gun
WIRE-FEED SPEED
0
1
2
3
4
5
6
7
8
9
10
MAX
MIN
ON
OFF
90 AMP FLUX WIRE WELDER
120 V~
60 Hz
Gun
WIRE-FEED SPEED
0
1
2
3
4
5
6
7
8
9
10
MAX
MIN
ON
OFF
Stickout
Too Long
Weld Speed
Too Fast
Current
Too High or
Wire Feed
Too Fast