Maintenance and Troubleshooting, Months | Miller Electric S-64

5-2. Overload Protection And Optional Side Panel Controls

					1	Circuit Breaker CB1
					CB1 protects wire feed motor from
2	3	4	5	6	overload. Press to reset.
2	3	4	5	6	7	Preflow Control
					2	Preflow Control
					Control sets time gas flows before
					welding wire is energized.
					3	Spot Time Control
					Factory set for 0 to 5 seconds of
					spot time. If 0 to 2.5 seconds is de-
					sired, see Section 4-9.
1					4	Spot Continuous Switch
					Switch selects an untimed continu-
					ous weld or a timed spot weld.
					5	Burnback Control
					Control adjusts time welding wire is
					energized after wire feed stops.
					6	Run-In Control
					Control sets run-in wire speed be-
					fore arc initiation.
					7	Postflow Control

Control sets time gas flows after completion of burnback.

Close side door.

802 418-A

SECTION 6 – MAINTENANCE AND TROUBLESHOOTING

6-1. Routine Maintenance

Y Disconnect power before maintaining.

3 Months
Replace			Clean and	Repair	or
			Clean and	replace
			tighten	replace
unreadable			tighten	cracked
unreadable			weld	cracked
labels.			weld	weld
labels.			terminals.	weld
			terminals.	cable.
				cable.
Replace	Check			Check gas	Check
cracked	14-pin			hose and	gun
parts.	cord.			fittings.	cable.
6 Months
Blow out or vacuum				Clean
inside. During heavy		OR		Clean
inside. During heavy		OR		drive
service, clean				drive
service, clean				rolls.
monthly.				rolls.
monthly.
OM-1579 Page 18

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Miller Electric S-64, S-62 Maintenance and Troubleshooting, Overload Protection And Optional Side Panel Controls, Months

Contents

Processes OM-1579Description From Miller to You Table of Contents Directives Standards Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can kill Flying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or kill Principal Safety Standards EMF Information About Pacemakers UN Choc É Lectrique peut tuer Signification des symbolesConsignes DE Securite Lire Avant Utilisation LES Fumé ES ET LES GAZ peuvent ê tre dangereux DES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un incendie ou une explosionLE Bruit peut affecter l’ouïe ’EMPLOI Excessif peut Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessures Information sur les champs é lectromagné tiques Principales normes de sé curitéConsignes relatives aux stimulateurs cardiaques + + + Definitions Symbols And Definitions Rating Label For CE Products Introduction InstallationSpecifications Site Selection Equipment Connection Diagrams Gun Recommendation Table Rear Panel Connections And Rotating Drive Assembly Pin Plug Information Wire Type, Size, And Feed Speed Capability TableMotor Speed Wire Type Wire Size Feed Speed Capability Motor Start Control Installing And Threading Welding Wire To adjust drive roll pressure, hold nozzle Spot Time Range SelectionOption Interface Standard Settings Optional Equipment DIP Switch SettingsVoltage Sensing Function Operation Front Panel Controls Disconnect power before maintaining Maintenance and TroubleshootingRoutine Maintenance Overload Protection And Optional Side Panel Controls Troubleshooting Disconnect power before troubleshooting Electrical Diagram Circuit Diagram 196 503-A Parts List Main Assembly Optional Control Box Control Box -1 Item Control Panel Control Panel -2 Item Drive Assembly, Wire Drive Assembly, Wire -1 Item Kit Roll Wire Size Drive Roll And Wire Guide Kits Fraction MetricRoll Drive Service Support Owner’s Record Miller Electric Mfg. Co