Miller SUITCASE 12RC Panduan Pemilik - Halaman 26
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Halaman Cetak
7-3. Cleaning Debris From Shielding Gas Filter Fitting
Rear View of Feeder
7-4. Troubleshooting
Trouble
Wire does not feed, unit completely inop-
erative.
Wire does not feed.
Wire feeds erratically.
Wire feeds when Jog switch is pressed
but not when gun trigger is pressed.
Wire feeds as soon as power is applied. Check gun trigger. See gun Owner's Manual.
OM-263984 Page 22
Turn Power switch On.
Check 14−pin plug PLG2 connections.
Check input power.
Check supplementary protector CB1. (see Section 7-2).
Check gun trigger connection at wire feeder. Check gun trigger leads and trigger switch. See gun Owner's
Manual.
Have Factory Authorized Service Agent check drive motor and control board PC1.
Readjust hub tension (see Section 5-7).
Readjust drive roll pressure.
Clean or replace dirty or worn drive roll (see Section 5-2).
Remove weld spatter around nozzle opening.
Replace contact tip or liner. See gun Owner's Manual.
Change to correct size and type drive roll (see Section 5-2).
Have Factory Authorized Service Agent check control board PC1.
Check gun trigger connection at wire feeder. Check gun trigger leads and trigger switch. See gun Owner's
Manual.
!
Disconnect
maintaining.
1
Shielding Gas Filter Fitting
Remove fitting from gas valve on
back panel of feeder.
Blow compressed air through the
threaded male end of fitting to dis-
lodge debris from internal mesh
screen.
1
.
if blowing compressed air
through fitting does not clear ob-
structions replace fitting.
Reinstall fitting into gas valve.
Tighten fitting to 250 in. lbs (28 N⋅m).
Remedy
power
before
Tools Needed:
3/4 in.
Ref. 263 836-A / 256 623-A