Miller Electric SuitCase X-TREME 8VS WCC, Owner'S Manual

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OM-237 323 Page 25
6-3. Cleaning Debris From Shielding Gas Filter Fitting
Ref. 804 004-A / 805 128-A
!
Disconnect power before
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.
.
Replace fitting if blowing com-
pressed air through fitting does
not clear obstructions.
Reinstall fitting into gas valve.
Tighten fitting to 200 in. lbs (22.6 N
⋅
m).
Tools Needed:
3/4 in.
Rear View of Feeder
1
FIL
T
6-4. Troubleshooting
Trouble Remedy
Wire does not feed; open-circuit voltage
available. Check power switch S1 and connections, replace if necessary.
Check supplementary protector CB1. Reset CB1.
Unit overheated. Allow unit to cool.
Check sensing lead connection.
Check gun trigger plug connection.
Check gun trigger. See gun Owner’s Manual.
Check Resonant Coupler PC23 and connections, replace if necessary.
Have Factory Authorized Service Agent check Control board PC1.
Wire feeds erratically. Readjust drive roll pressure.
Clean or replace dirty or worn drive roll (see Section 4-7).
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 4-7)
Incorrect size or worn wire guides (see Section 4-7)
Check wire drive motor brushes.
Have Factory Authorized Service Agent check control board PC1.
Hub tension set too high (see Section 4-12).