Manuals / Miller Electric / Power Tools / Welder

Miller Electric DS-74DX12 Removing Safety Collar And Adjusting Boom, Gun Recommendation Table

Models: and DS-74DX16

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4-8. Removing Safety Collar And Adjusting Boom

4-8. Removing Safety Collar And Adjusting Boom

4

5

2

1 Locking Knob

Tighten knob to prevent boom movement. Loosen knob to allow boom movement. Change knob po- sition to limit upward movement.

Pull boom down slightly and re- move safety collar. Boom should balance in any position from hori- zontal to 60 degrees above hori- zontal. If necessary, adjust boom as follows:

2Threaded Rod

3Jam Nut

Loosen jam nut and turn threaded rod until boom balances. Tighten jam nut. Be sure several full threads are through yoke to prevent boom falling.

4Yoke

5Safety Collar

13

Tools Needed: 1-1/8 in

Retain safety collar for use in disas- sembling or moving boom.

		4
		3
	Rod	Rod
	Rod	2
		2
	Increasing Spring	Decreasing Spring
	Pressure For A Heavy	Pressure For A
	Gun	Lighter Gun

ST-142 599-C

4-9. Gun Recommendation Table

Process	Gun

GMAW − Hard or Cored Wires	Roughneck C-Series Guns: 300, 400, 500, And
	600 Amp.

FCAW − Self-Shielding Wires	FC-1260 Or FC-1150

4-10. Wire Type, Size, And Feed Speed Capability Table

	Motor Speed	Wire Type	Wire Size	Feed Speed Capability

	Standard	All	.023 To 5/64 in (0.6 To 2 mm)	50 To 780 ipm (1.3 To 19.8 mpm)

	Standard	All	3/32 To 7/64 in (2.4 To 2.8 mm)	50 To 700 ipm (1.3 To 17.8 mpm)

	Standard	All	1/8 in (3.2 mm)	50 To 300 ipm (1.3	To 7.6 mpm)

	Optional High	All	.023 To 5/64 in (0.6 To 2 mm)	92 To 1435 ipm (2.3	To 35.6 mpm)
	Speed	All	.023 To 5/64 in (0.6 To 2 mm)	92 To 1435 ipm (2.3	To 35.6 mpm)
	Speed

OM-1500-14 Page 16

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Miller Electric DS-74DX12 manual Removing Safety Collar And Adjusting Boom, Gun Recommendation Table, Process, Motor Speed

Contents

DS-74DX Swingarc DS-74DX12, and DS-74DX16OM-1500-14 207 499H ProcessesFrom Miller to You TABLE OF CONTENTS SECTION 6 − SETTING SEQUENCE PARAMETERSTABLE OF CONTENTS OPTIONS AND ACCESSORIES WARRANTYSECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1-1. Symbol Usage1-2. Arc Welding Hazards ELECTRIC SHOCK can killFUMES AND GASES can be hazardous ARC RAYS can burn eyes and skinWELDING can cause fire or explosion FLYING METAL or DIRT can injure eyes1-3. Additional Symbols For Installation, Operation, And Maintenance WELDING WIRE can cause injuryFIRE OR EXPLOSION hazard FALLING UNIT can cause injury1-5. Principal Safety Standards 1-4. California Proposition 65 Warnings1-6. EMF Information For Gasoline Engines2-1. Symboles utilisés 2-2. Dangers relatifs au soudage à l’arcSECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION UNE DÉCHARGE ÉLECTRIQUE peut entraîner la mortLE SOUDAGE peut provoquer un in cendie ou une explosion DES PIÈCES CHAUDES peuvent provoquer des brûlures gravesLES FUMÉES ET LES GAZ peuvent être dangereux LES CHAMPS MAGNETIQUES peuv- ent affecter des implants médicaux LE BRUIT peut endommager l’ouïeLES BOUTEILLES peuvent exploser si elles sont endommagées Risque D’INCENDIE OU D’EXPLO- SION2-4. Proposition californienne 65 Avertissements LES FILS DE SOUDAGE peuvent provoquer des blessuresDES ORGANES MOBILES peuvent provoquer des blessures LIRE LES INSTRUCTIONSEn ce qui concerne les implants médicaux 2-5. Principales normes de sécurité2-6. Information EMF OM-1500-14 Page SECTION 4 − INSTALLATION 3-1. Specifications4-1. Installing Swivel Into Pipe Post SECTION 3 − INTRODUCTION4-2. Installing Control Box And Adjusting Tilt 4-3. Installing Boom And Reel Supportswivel and slide forward. Tighten Loosen rear pivot screw. Removeguide fitting. Do not overtighten bolt 4-4. Installing Wire Guide ExtensionTighten bolt to secure liner in wire exceed 100 PSI 689 kPa 4-5. Equipment Connection DiagramShielding gas pressure not to Pin Information 4-6. Control Box Connections4-7. 14-Pin Plug Information 4-8. Removing Safety Collar And Adjusting Boom 4-10. Wire Type, Size, And Feed Speed Capability Table4-9. Gun Recommendation Table Wire Type4-11. Installing And Threading Welding Wire When installing gun, position linerextending from outlet wire guide as close as possible to drive rolls withw Defining Motor Speed S1-7 4-12. Setting Internal DIP SwitchesPosition Settings And Results For DIP Switch S1 4-13. Power Source Selection Menu Power SourceDisabling The Power Source Selection Menu Non-CE Model Shown5-2. Power Switch 5-3. Left/Right Select SwitchSECTION 5 − OPERATION 5-1. Operational Terms5-4. Jog/Purge Switch 5-5. Front Panel ControlsWire Speed Adjust5-6. Program Push Button 5-7. Upper DisplayProgram Volts5-9. Setup Push Button 5-8. Lower DisplayWire Speed Setup5-10. Adjust Control 5-11. Sequence Push ButtonAdjust Start5-12. Auxiliary Menus 5-12 Auxiliary Menus ContinuedReset To Factory Settings Power Source Selection MenuTrigger Hold Setup Wire Feed Speed Units5-12 Auxiliary Menus Continued BurnbackSequence SECTION 6 − SETTING SEQUENCE PARAMETERS6-1. Sequence Parameters In A Program SECTION 7 − SETTING DUAL SCHEDULE PARAMETERS 7-1. Optional Dual Schedule Switch DiagramsCOM1 TRG1TCH1 COM2SECTION 8 − MAINTENANCE & TROUBLESHOOTING 7-3. Diagnostics For User Defined Options8-1. Routine Maintenance ERR OPT18-2. Troubleshooting Disconnect power before troubleshootingTrouble RemedySECTION 9 − ELECTRICAL DIAGRAM Figure 9-1. Circuit DiagramOM-1500-14 Page 204 144-CSECTION 10 − PARTS LIST Figure 10-1. Main AssemblyFigure 10-1. Main Assembly Circuit Card Assy,Switches Housing Plug+Pins, service kitHousing Plug+Skts, service kit Figure 10-2. Control BoxHarness Connectors/Receptacles Figure 10-2. Control Box ContinuedST-142 306-H Figure 10-3. Boom AssemblyHardware is common and not available unless listed Figure 10-3. Boom Assembly Figure 10-1 Item 802 977-B Figure 10-4. Drive Assembly, WireFigure 10-4. Drive Assembly, Wire Figure 10-1 Items 26 and Figure 10-4. Drive Assembly, Wire continued Ring, Retaining Spool Figure 10-5. Support, Hub & ReelFigure 10-5. Support, Hub and Reel Figure 10-1 Item Table 10-1. Drive Roll and Wire Guide Kits Wire SizeV-GROOVE U-GROOVEPage 400 Trade Square East, Troy, Ohio Start Your Professional Welding Career NowOver 80,000 trained since Page Warranty Questions? ServiceCall 1-800-4-A-MILLER for your local Miller distributor SupportFor Service Contact a DISTRIBUTOR or SERVICE AGENCY near youOwner’s Record Please complete and retain with your personal records