Section 4 - Maintenance & Troubleshooting; Routine Maintenance; Adjusting Spark Gaps - Miller Electric Syncrowave 500 Owner's Manual

SECTION 4 – MAINTENANCE & TROUBLESHOOTING

4-1. Routine Maintenance

3 Months
Unreadable
See
Section
9
– –
2-12
4-2

4-2. Adjusting Spark Gaps

OM-350 Page 24
Replace
Labels
Tape Or
Replace
Cracked
Cables
Clean
And
Tighten
Weld
Terminals
Adjust
Spark
Gaps
Tools Needed:
5/32 in
0.012 in (0.305 mm)
ST-127 872-A
2
3
4
4
1 3
3 Months
Replace
Cracked
Parts
– –
14-Pin Cord
Gas Hose Torch Cable
6 Months
Blow Out
OR
Vacuum
Inside
During Heavy Service,
Clean Monthly
––
Y Turn Off power before ad-
justing spark gaps.
Remove cover plate.
1 Tungsten End Of Point
Replace point if tungsten end dis-
appears; do not clean or dress
tungsten.
2 Spark Gap
Normal spark gap is 0.012 in (0.305
mm).
If adjustment is needed, proceed as
follows:
3 Adjustment Screws
Loosen screws. Place gauge of
proper thickness in spark gap.
4 Pressure Point
Apply slight pressure at point until
gauge is held firmly in gap. Tighten
screws to 12 in/lbs torque (overtigh-
tening will deform plastic base). Ad-
just other gap.
Reinstall cover plate and close ac-
cess door.
Ref. ST-144 405-C
Or