Miller Electric D-75D, D-75S manual Routine Maintenance, Brush Inspection And Replacement

Page 27

SECTION 7 − MAINTENANCE

7-1. Routine Maintenance

Y Disconnect power before maintaining.

 

n = Check

~ = Clean

l = Replace

 

Reference

Every

 

 

 

 

Section 5-2,

3

 

 

 

 

5-3

Months

 

 

 

 

 

 

l Unreadable Labels

~ Weld Terminals

nl Weld Cable

nl Motor Brush

 

 

 

 

 

Section 5-2,

 

 

 

 

 

5-3

 

n 14-Pin Cord

n Gas Hose and Fittings

n Gun Cable

 

Every

 

 

 

 

Section 5-7

6

 

 

 

 

 

Months

Or

 

 

 

 

 

~ Inside Unit

~ Drive Rolls

 

 

 

7-2. Brush Inspection And Replacement

 

 

Y Do not disassemble motor field mag- nets or injury/equipment damage may occur.

1 Motor

2 Brush Cap Remove brush cap.

3 Brush

Replace brush if it becomes chipped or bro- ken, or if less than 1/4 in. (6.4 mm) of brush material remains. Do not include spring boss as part of the 1/4 in. measurement.

Install brush so that curved surface on end of brush matches curve of motor, and secure with cap.

1

3

2

Tools Needed:

137 390-B

OM-228 322 Page 23

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Contents File MIG Gmaw OM-228 322AProcesses DescriptionFrom Miller to You Table of Contents Decwire6/05 DirectivesStandards Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers UNE Décharge Électrique peut entraîner la mort LES Fumées ET LES GAZ peuvent être dangereuxIndique un message de sécurité particulier DES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer unIncendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peut SUREn ce qui concerne les stimulateurs cardiaques Principales normes de sécuritéDisconnect input plug or power before working on machine Drive rolls can injure fingersKeep your head out of the fumes Symbols And Definitions Weee LabelRating Label For CE Products Rating SpecificationsWelding Overall Maximum Wire Feed Site SelectionEquipment Connection Diagrams Rear Panel Connections And Rotating Drive Assembly Tools Needed 9/16, 5/8 Connection Point a Point BLeft Side Shown Gun Recommendation Table Wire Type, Size, And Feed Speed Capability TableInstalling Drive Rolls Pin Plug InformationInstalling PD continuous wire guides with PD drive rolls Installing PD Continuous Wire GuidesTools Needed 16, 1/8, 5/32 Installing Non-PD Old Style Wire GuidesInstalling wire guides with non- PD old-style drive rolls Rotate guide holder 180 degrees and reinstallInstalling gun without Accu- Mate connection Installing Welding GunInstalling gun with Accu-Mate connection Secure gun by tightening power clamp knobNo Wire Slip Wire SlipsEnd Of Liner Left Side Motor Control Board PC101 Right Side Motor Motor Board DIP Switch SettingsRun-In Disabled S1-1 Manually Adjusted Run-In S1-1 And S1-2PC60 Display Board DIP Switch SettingsJog/Purge Power SwitchLeft/Right Select Switch Power SwitchTrigger Hold Switch Trigger Hold SwitchesVoltage Control And Digital Meters = Check ~ = Clean = Replace Reference Every Routine MaintenanceBrush Inspection And Replacement Disconnect power before maintainingDiagnostics Troubleshooting Disconnect power before troubleshootingTrouble Remedy − Electrical Diagram 204 716-B 22 -2 Main AssemblyPart Description Quantity Control Box 130 Harness Connectors/ReceptaclesDrive Assembly, Wire -1Item Drive Assembly, Wire Left Side Drive Assembly ShownDrive Assembly With Motor Left Side Drive Assembly Shown PD-V Service Your distributor also givesSupport Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact
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