Lincoln Electric SVM207-A service manual Maintenance, Safety Precautions

Page 30

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D-2

MAINTENANCE

D-2

 

 

 

 

 

 

 

 

 

 

 

SAFETY PRECAUTIONS

 

 

 

 

 

CAUTION

 

 

 

WARNING

 

 

Have qualified personnel do the maintenance

iMake certain that the oil filler cap is securely tight-

work. Turn the engine off before working inside

ened after checking or adding oil. If the cap is not

the machine. In some cases, it may be necessary

tight, oil consumption can increase significantly

to remove safety guards to perform required

which may be evidenced by white smoke coming

maintenance. Remove guards only when

from the exhaust.

 

necessary and replace them when the mainte-

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nance requiring their removal is complete.

• OIL - Maintenance schedule for changing the oil and

Always use the greatest care when working near

oil filter after break-in :

 

moving parts.

 

 

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Do not put your hands near the engine cooling blower fan. If a problem cannot be corrected by following the instructions, take the machine to the nearest Lincoln Field Service Shop.

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ELECTRIC SHOCK can kill.

• Do not touch electrically live parts or electrode with skin or wet clothing.

Insulate yourself from work and ground

Always wear dry insulating gloves.

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ENGINE EXHAUST can kill.

• Use in open, well ventilated areas or vent exhaust outside.

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MOVING PARTS can injure.

Do not operate with doors open or guards off.

• Stop engine before servicing.

Keep away from moving parts.

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See additional warning information throughout this operator’s manual and the Engine manual as well.

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Read the Safety Precautions in the front of this manual and the engine instruction manual before working on this machine.

Keep all equipment safety guards, covers, and devices in position and in good repair. Keep hands, hair, cloth- ing, and tools away from gears, fans, and all other mov- ing parts when starting, operating, or repairing the equipment.

ROUTINE MAINTENANCE

At the end of each day’s use, refill the fuel tank to minimize moisture condensation in the tank. Running out of fuel tends to draw dirt into the fuel system. Also, check the crankcase oil level and add oil if indicated.

 

 

Kohler

 

 

CH23S

 

Oil

100 Hrs.

 

 

 

 

Oil Filter

200 Hrs.

 

 

 

The above schedule is for normal operating conditions. More frequent oil changes are required with dusty, high temperature and other severe operating conditions. Refer to the maintenance section of the Engine Owner's Manual for more information.

NOTE: Engine life will be reduced if the oil and oil fil- ter are not changed according to the manufac- turer’s recommendation.

ENGINE OIL CHANGE

Drain the oil while the engine is warm to assure rapid and complete draining.

Remove the oil filler cap and dipstick. Remove the yellow cap from the oil drain valve and attach the flexible drain tube supplied with the machine. Push in and twist the drain valve counterclockwise. Pull the valve out and drain the oil into a suitable con- tainer.

Close the drain valve by pushing in and twisting clockwise. Replace the yellow cap.

Refill to the upper limit mark on the dipstick with the recommended oil. Tighten the oil filler cap securely.

ENGINE OIL REFILL CAPACITIES

Without oil filter replacement:

• 1.7qt. (1.6 liter)-Kohler

With oil filter replacement:

• 2.0qt. (1.9 liter)-Kohler

RANGER® 3 PHASE

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Contents Ranger 3 Phase Safety Ranger 3 PhaseFumes and Gases Welding Cutting Précautions DE Sûreté Safety Methods of Reducing Emissions Mains Supply Master Table of Contents for ALL Sections Table of Contents Installation Section Auxiliary Power InstallationTechnical Specifications Ranger 3 Phase K2337-1 & K2337-2 Height Width Depth WeightSpark Arrester Safety PrecautionsMachine Grounding TowingVehicle Mounting PRE-OPERATION ServiceGasoline Can cause fire or explosionHigh Altitude Operation Welding Output CablesTotal Combined Length of Electrode and Work Cables Angle of OperationInstructions Gfci Duplex Receptacles Auxiliary PowerVolt 3 Phase Receptacle with Ground 120/240 Volt Dual Voltage ReceptacleAuxiliary Power While Welding Ground WireStandby Power Connections TABLE A.1 Simultaneous Welding and PowerConnection of Ranger 3 Phase to Premises Wiring Figure A.3Electrical Device USE with the Ranger 3 Phase USE These Devices with a Ranger 3 PhaseDevices Without Addi Tional Resistive Type Loads Table of Contents Operation Section GENERAL DESCRIPTION Engine SwitchOperation Welder Controls Function and OperationRange Switch Polarity SwitchRanger 3 Phase Approximate Fuel Consumption Control DialStick Constant Current Welding Wire Feed Welding Processes Constant VoltageWelding Process TIG Constant Current WeldingStick Auto Starting the Engine STARTING/SHUTDOWN InstructionsBREAK-IN Period Stopping the EngineTable of Contents Accessories Section Accessories K1745-1 Welding GAS Cylinder LPG Tank Holder Stick WIRE FEED RECOMMENDED EQUIPMENT TIGRanger 3 Phase Table of Contents Maintenance Section Maintenance Safety PrecautionsOIL Filter Change Gfci Receptacle Testing and RESET- Ting ProcedureAIR Cleaner and Other Maintenance Slip Rings Do not attempt to polish slip rings while engine is runningFram CA79 BatteryEngine Maintenance Parts KOHLER C23S CHAMPION RC12YCMAINTENANCED-5 Figure D.1 Major Component LocationRanger 3 Phase 1TABLE of CONTENTS-THEORY of Operation Section E-1 Theory of Operation General DescriptionEngine Components and Operation ROTOR, Stator & Control Circuits Figure E.2 ROTOR, Stator and Control CircuitsWeld Circuitry Figure E.2 Weld Circuitry1TABLE of Contents Troubleshooting and Repair F-1 Troubleshooting and Repair HOW to USE Troubleshooting GuidePC Board Troubleshooting Procedures Return to SectionDiagram Perform the Output Bridge Test Gram Wiring Wiring Diagram Troubleshooting and Repair Figure F.4 and/or the Wiring Rotor Voltage Test Procedure Test DescriptionMaterials Needed Test Procedure Rotor Voltage TestRotor Resistance Test TEST PROCEDURE Figure F.2 Slip RingsAuxiliary and Field Winding Test Auxiliary Windings To test the 480 VAC 3 Phase windingProbes Reading To test the 120 VAC windingFigure F.4 Control PC Board Field WindingRanger 3 Phase Output Rectifier Bridge Test Figure F.5 OUTPUT RECTIFIER + Meter Lead Meter ReadingToroid Test Toroid Test Charging Circuit Test Voltage Regulator AC Lead DC Lead Engine Throttle Adjustment Test Engine Throttle Adjustment Test Low Idle Adjustment SolenoidNut Housing Figure F.9 115VAC Supply Waveform High IDLE- no Load Scope Settings Normal Open Circuit Voltage Waveform 115 VAC SupplyHigh Idle no Load Output Control AT Maximum Typical DC Weld Output Waveform CV Mode Machine LoadedTypical DC Weld Output Waveform CC Mode Machine Loaded to 200 Amps AT 26 VDCTypical AC Weld Output Waveform Machine Loaded to 225 Amps AT 25 VDCAbnormal Open Circuit Weld Voltage Waveform CV Mode Abnormal Open Circuit DC Weld Voltage Waveform Normal Open Circuit Weld Voltage Waveform CV Mode Normal Open Circuit DC Weld Voltage Waveform CC Mode Normal Open Circuit AC Weld Voltage Waveform Ranger 3 Phase Brush Removal and Replacement Procedure Brush Removal and Replacement Procedure ProcedureBrush Assembly Bracket Bolts Ranger 3 Phase Printed Circuit Board Removal Replacement Procedure Printed Circuit Board Removal Figure F.10 Door RemovalOutput Rectifier Bridge Removal Replacement Procedure Output Rectifier Bridge Removal Figure F.11 OUTPUT RECTIFIERENGINE/ROTOR Removal and Replacement Procedure ENGINE/ROTOR Removal and Replacement Procedure Procedure Rotor Removal Procedure Figure F.13 Engine and Rotor Removed from StatorReassembly Procedure Retest After Repair Table of Contents Diagram Section Ranger 3-PHASE RaNGEr 3 phaSESchEmaTic cOmplETE machiNE l12259 L12259ElEcTrical DiaGramS