Profax PRO II TIG 220V - Manual (Page 10)

OVERLOAD PROTECTION Disconnect all electrical power before checking fuses.
®
Section 6
Troubleshooting
®
Section 5
Maintenance
9 8
WARNING!
Troubleshooting should only be done by qualified personnel
with a working knowledge of electrical circuits.
WARNING!
ELECTRIC SHOCK CAN KILL
A. DO NOT TOUCH LIVE
electrical parts.
B. Disconnect input power
before servicing. MOVING PARTS CAN MAIM
Disconnect input power before
servicing. HOT PARTS CAN BURN
Allow for cooling periods
Read and understand the safety information in Section 1 of this manual.
CAUTION Maintenance should be performed by qualified personnel only.
DAILY
1. Clean drive rolls.
A. Clean with a towel and wire brush.
B. If a solvent is required use one that will leave NO residue.
C. DO NOT USE - penetrating oils or anti-spatter spray on feed rolls.
2. Inspect all connections to make sure that they are clean and tight.
3. Inspect all cables and hose for cracks, tears and frayed wires. Repair as necessary.
MONTHLY
1. Inspect and repair any cables or hoses that are cracked or frayed.
2. Replace any cables or hoses that have been overheated or that have more than one repair in any six foot section.
3. Blow out or vacuum any particles from the wire drive area.
4. Clean any buildup of metal particles on or around the feed roll shaf ts.
5. Replace any terminal connections that show to have arced out or cannot be tightened.
3 MONTHS
1. Remove hinged cover and blow out or vacuum component area
2. Inspect for wear and replace if necessary, feed and pressure rolls, roll axles, gears and gear bushings.
3. Disassemble ,inspect and repair or replace if necessary all control cord multi-pin plugs with frayed wire or deteriorated wire
insulation.
4. Replace inlet, intermediate and outlet guides.
5. Replace feed pen liner.
6. Replace unreadable labels.
FUSES:
F1 - 7A - Fast Acting
24 VAC circuit overload protection
F2 - 7A - Slo-Blo
MOTOR overload protection
F3 - 3A -Fast Acting
220 VAC circuit overload protection
TROUBLE REMEDY
Unit completely inoperative. 1. Turn power switch on.
2. Check F3 fuse.
3. Check control cord plugs and connections.
4. Check input power to feeder.
Wire does not feed. 1. Check for proper feed roll size and proper feed roll tension.
2. Check for feed roll obstructions.
3. Check feed pen trigger, trigger leads, cord and plug.
4. Check fuse F2
5. Have an authorized service station check motor and PC board.
Wire feeds as soon as power is turned on. 1. Check feed pen trigger, trigger leads, cord and plug for shorted wires.
2. Check for shorted or frayed wires touching in RC2 receptacle.
Wire feeds erratically. 1. Readjust feed roll tension.
2. Spool brake too tight.
3. Wrong size feed rolls and or wire guides.
4. Worn feed rolls and or guides.
5. Inlet or outlet guide touching feed rolls preventing proper tension
adjustment.
6. Improperly installed feed pen liner.
7. Worn contact tube.
8. Worn feed roll axles and or drive gear bushings.
9. Have an authorized service station check motor and PC board.
Motor runs slowly. 1. Check for correct input voltage.
2. Check for correct voltage to motor.
3. Have an authorized service station check the motor and PC board.
® ®