Miller Blue Thunder Series Kullanıcı El Kitabı - Sayfa 21

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SECTION 6 − MAINTENANCE AND TROUBLESHOOTING

6-1. Routine Maintenance

n = Check
* To be done by Factory Authorized Service Agent
Every
3
Months
l Damaged Or
Unreadable Labels
Every
OR
6
Months
~ Inside Unit

6-2. Troubleshooting

Trouble
No weld output; fan does not run.
Fan does not run; weld output okay.
Erratic or improper weld output.
Erratic arc with excessive spatter.
Electrode freezing to work.
Low weld output with no control.
Limited output and low open-circuit
voltage.
!
Disconnect power
before maintaining.
Z = Change
~ = Clean
l Cracked Weld cables
Be sure Power switch is On (see Section 5-1).
Be sure line disconnect switch is in On position.
Check and replace line fuses if open. Reset breakers if necessary.
Be sure nothing is blocking movement of fan. If fan does not run freely, replace fan motor.
Clean and tighten all weld cable connections.
Check for proper size and type of cable (see Section 4-2).
Check for proper input and output connections (see Sections 4-7 and/or 4-4).
Replace electrode.
Use dry, properly stored electrodes.
Shorten arc length.
Reduce amperage setting.
Increase amperage setting.
Increase arc length.
Use dry, properly stored electrodes.
Check position of Amperage Control (see Section 5-1).
Check incoming power for correct voltage. Replace line fuse if open (see Section 4-7).
Check for proper input and output connections (see Sections 4-7 and/or 4-4).
l = Replace
~n Weld Connections
Remedy
OM-233 381 Page 17