Lincoln Electric IM742-A manual AIR Filter Paper Element, Spark Plug Service

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D-3

MAINTENANCE

D-3

 

 

 

AIR FILTER PAPER ELEMENT

•Loosen the cover retaining knob and remove the cover.

•Remove the pre-cleaner from the paper element.

•Remove the element cover nut, element cover, and paper element.

•Do not wash the paper element or use pressurized air, as this will damage the element. Replace a dirty, bent, or damaged element with a new ele- ment. Handle new elements carefully; do not use if the sealing surfaces are bent or damaged.

•When servicing the air cleaner, check the air clean- er base. Make sure it is secured and not bent or damaged. Also check the element cover for dam- aged or improper fit. Replace all damaged air cleaner components.

NOTE: Before air cleaner is reassembled make sure rubber seal is in position around stud. Inspect, mak- ing sure it is not damaged and seals with the element cover.

•Reinstall the paper element, pre-cleaner, element cover, element cover nut, and air cleaner cover. Secure cover with the cover retaining knob.

SPARK PLUG

To ensure proper engine operation, the spark plug must be properly gapped and free of deposits.

WARNING

NOTE: Before removing spark plug, the muffler becomes very hot during operation and remains hot for a while after stopping the engine. Be care- ful not to touch the muffler while it is hot.

Spark Plug Service

To ensure proper engine operation, the spark plug must be properly gapped and free of deposits.

•Remove the spark plug cap.

•Clean any dirt from around the spark plug base.

•Use a plug wrench to remove the spark plug.

•Visually inspect the spark plug. Discard them if the insulator is cracked or chipped. Clean the spark plug with a wire brush if it is to be reused.

•Measure the plug gap with a feeler gauge. Correct as necessary by bending the side electrode.

•Check that the spark plug washer is in good condi- tion and thread the spark plug in by hand to prevent cross-threading.

•After the spark plug is seated, tighten with a spark plug wrench to compress the washer.

•If installing a new spark plug, tighten 1/2 turn after the spark plug seats to compress the washer.

•If reinstalling a used spark plug, tighten 1/8 - 1/4 turn after the spark plug seats to compress the washer.

Spark Plug Gap: .030 in. (0.76 mm)-Kohler

Spark Plug Torque: 20 ft. Lb. (27 N-m)-Kohler

CAUTION

The spark plug must be securely tightened. An improperly tightened spark plug can become very hot and may cause engine damage.

Use only the recommended spark plug or equiva- lent. A spark plug which has an improper heat range may cause engine damage.

RANGER 305G

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Contents Ranger 305 G Safety California Proposition 65 WarningsElectric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Please Examine Carton and Equipment For Damage ImmediatelyTable of Contents Section E ViiSection D Section FAIR Cleaner Engine Idler Muffler Engine Protection InstallationHeight Width Depth Weight Lubrication Valve Lifters Fuel System GovernorMachine Specifications Ranger 305G K1726-1 Location and Ventilation Safety PrecautionsAdditional Safety Precautions Remote Control PRE-OPERATION Engine ServiceBattery Connection OILWelding Terminals Electrical ConnectionsMachine Grounding Welding Output CablesAuxiliary Power Receptacles Standby Power ConnectionsConnection of Ranger 305G to Premises Wiring Connection of Lincoln Electric Wire Feeders Connection of an LN-23P Wire Feeder to the Ranger 305GGeneral Description Design FeaturesOperation Digital Output Meters Weld Mode Selector SwitchWelding Controls Output Control ARC ControlWeld Output Terminals with Flange NUT Weld Terminals Control SwitchWire Feeder Voltmeter Switch PIN AmphenolTypical Ranger 305G Fuel Consumption StoppingWelder Operation TIG Welding Wire WELDING-CVTypical Current Ranges 1 for Tungsten ELECTRODES2 Ranger 305G Extension Cord Length Recommendations Auxiliary PowerARC Gouging Accessories Kohler Engine MaintenanceEngine Maintenance Components Engine AIR Filter Paper Element Spark Plug ServiceSpark Plug Fuel Filter Engine AdjustmentBattery Maintenance Servicing Optional Spark ArrestorWelder/Generator Maintenance Troubleshooting HOW to USE Troubleshooting GuideIs Evident.Authorized Field Service Facility Contact your local Lincoln Authorized Field Service FacilityWelding without a control cable Authorized Field Service Facility Contact your local LincolnStick Diagrams Diagrams Diagrams Diagrams Diagrams Engine Welders /LN-8 Connection Diagram S24787-6Diagrams Diagrams Diagrams Diagrams Diagrams Ranger 305G Wiring Diagram for Code G3743G4285 AmmeterDimension B Dimension Print Ranger 305GDimension a 23.50Ranger 305G Need Welding Training? How To Read Shop DrawingsNew Lessons in Arc Welding Basic CoursePrecaucion Warnung
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