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RETURN TO MAIN MENU
IM919
Ranger
250
®
March, 2008
11401, 11421, 11422
For use with machines having Code Numbers:
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However, your
overall safety can be increased by
proper installation ... and thought-
ful operation on your part.
And, most
importantly, think before you act
and be careful.
Copyright © Lincoln Global Inc.
• World's Leader in Welding and Cutting Products •
• Sales and Service through Subsidiaries and Distributors Worldwide •
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
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Related Manuals for Lincoln Electric RANGER 250 IM919
Summary of Contents for Lincoln Electric RANGER 250 IM919
- Page 1 RETURN TO MAIN MENU IM919 Ranger ® March, 2008 11401, 11421, 11422 For use with machines having Code Numbers: Safety Depends on You Lincoln arc welding and cutting equipment is designed and built with safety in mind. However, your overall safety can be increased by proper installation ...
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Page 2: California Proposition 65 Warnings
351040, Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199. BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS. -
Page 3: Electric Shock Can Kill
ELECTRIC SHOCK can kill. 3.a. The electrode and work (or ground) circuits are electrically “hot” when the welder is on. Do not touch these “hot” parts with your bare skin or wet clothing. Wear dry, hole-free gloves to insulate hands. 3.b. - Page 4 WELDING and CUTTING SPARKS can cause fire or explosion. 6.a. Remove fire hazards from the welding area. If this is not possible, cover them to prevent the welding sparks from starting a fire. Remember that welding materials from welding can easily go through small cracks and openings to adjacent areas.
- Page 5 PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- antes: Sûreté Pour Soudage A LʼArc 1. Protegez-vous contre la secousse électrique: a.
- Page 6 Electric for advice or information about their use of our products. We respond to our customers based on the best information in our posses- sion at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such infor- mation or advice.
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Page 7: Table Of Contents
Welding Terminals ...A-6 Welding Output Cables ...A-6 Cable Installation...A-6 Auxiliary Power Receptacles and Plugs ...A-6 Standby Power Connections ...A-6 Premises Wiring ...A-7 Connection of Lincoln Electric Wire Feeders...A-8, A-9 ________________________________________________________________________________ Operation...Section B Safety Precautions ...B-1 General Description...B-1 Design Features ...B-1 Engine Operation ...B-1... - Page 8 Maintenance...Section D Safety Precautions ...D-1 Routine Maintenance ...D-1 Kohler / Robin-Subaru Engine Maintenance Components...D-1 Kohler Engine ...D-1 Subaru Robin Engine ...D-1 Engine Oil Change...D-2 Engine Oil Refill Capacities (Kohler / Subaru Robin)...D-2 Oil Filter Change ...D-2 Air Cleaner Service ...D-2 Air Pre-Cleaner Service ...D-2 Air Filter Paper Element...D-3 Spark Plug ...D-3...
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Page 9: Installation
TECHNICAL SPECIFICATIONS - Ranger® 250 ( K1725-10, K1725-11, K1725-12) Make/Model Description Horsepower Operating Displacement cu. in.(cu. cm) @ 3600 RPM K1725-10, -11 Kohler CH23S 23 HP 2 Cylinder 4 Cycle Air Cooled Gasoline K1725-12 Engine Subaru Robin 22 HP EH65 RATED OUTPUT @ 104°F(40C°) - WELDER Welding Output CC STICK &... -
Page 10: Machine Specifications
MACHINE SPECIFICATIONS - Ranger® 250 ( K1725-10, K1725-11, K1725-12) RECEPTACLES AND CIRCUIT BREAKERS RECEPTACLES AUXILIARY POWER CIRCUIT BREAKER (2) 120VAC Duplex (5-20R) (1) 120/240VAC Dual Voltage Full KVA (14-50R) INSTALLATION Two 20AMP for Two Duplex Receptacle One 50AMP for Dual Voltage (2-Pole) RANGER®... -
Page 11: Safety Precautions
SAFETY PRECAUTIONS WARNING Do not attempt to use this equipment until you have thoroughly read the engine manufacturerʼs manual supplied with your welder. It includes important safety precautions, detailed engine starting, operating and maintenance instructions, and parts lists. ------------------------------------------------------------------------ ELECTRIC SHOCK can kill. •... -
Page 12: Towing
TOWING The recommended trailer for use with this equipment for road, in-plant and yard towing by a vehicle Lincolnʼs K957-1. If the user adapts a non-Lincoln trailer, he must assume responsibility that the method of attachment and usage does not result in a safety hazard nor damage the welding equipment. -
Page 13: Muffler Outlet Pipe
The RANGER® 250 is shipped with the negative battery cable disconnected. Make certain that the RUN-STOP switch is in the STOP position. Remove the two screws from the rear battery tray using a screwdriver or a 3/8" socket. Attach the negative battery cable to the negative battery terminal and tighten using a 1/2"... -
Page 14: Welding Terminals
WELDING TERMINALS The Ranger® 250 is equipped with a toggle switch for select- ing "hot" welding terminal when in the "WELD TERMINALS ON" position or "cold" welding terminal when in the "REMOTE- LY CONTROLLED" position. WELDING OUTPUT CABLES With the engine off connect the electrode and work cables to the output studs. - Page 15 CONNECTION OF RANGER® 250 TO PREMISES 240 VOLT POWER 240 Volt 60 Hz. COMPANY 3-Wire Service METER DOUBLE POLE DOUBLE THROW SWITCH RATING TO BE THE SAME AS OR GREATER THAN PREMISES SERVICE OVERCURRENT PROTECTION. 50 AMP, 120/240 VOLT PLUG NEMA TYPE 14-50 50 AMP, 120/240 VOLT RECEPTACLE...
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Page 16: Connection Of Lincoln Electric Wire Feeders
CONNECTION OF LINCOLN ELEC- TRIC WIRE FEEDERS Connection of LN-7 or LN-8 to the Ranger® 250 1. Shut the welder off. 2. Connect the LN-7 or LN-8 per instructions on the appropriate connection diagram in Section F 3. Set the "WIRE FEEDER VOLTMETER" switch to either "+"... - Page 17 7. Set the "IDLE" switch to the "AUTO" position. When not welding, the Ranger® 250 engine will be at the low idle speed. If you are using an LN-25 with an internal contactor, the electrode is not energized until the gun trigger is closed. 8.
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Page 18: Operation
SAFETY PRECAUTIONS Read and understand this entire section before operating your Ranger® 250. Do not attempt to use this equipment until you have thoroughly read all operating and mainte- nance manuals supplied with your machine. They include important safety precautions, detailed engine starting, operating and maintenance instructions and parts lists. -
Page 19: Welding Controls
WELDING CONTROLS: 1. OUTPUT CONTROL: The CONTROL dial provides continuous control of the welding current or welding voltage depending on the selected welding mode. This control is not active in the CC-STICK, DOWN HILL PIPE, and CV-WIRE modes when a remote control or wire feeder with remote control is connected to either the 6 pin or 14 pin Amphenol. -
Page 20: Engine Controls
4. WELD OUTPUT TERMINALS WITH FLANGE NUT: Provides a connection point for the electrode and work cables. Output stud covers provided on code 11270 and above. 5. GROUND STUD: (graphic) Provides a connection point for connecting the machine case to earth ground for the safest grounding procedure. -
Page 21: Stopping
CAUTION Operating the starter motor for more than 5 seconds can damage the motor. If the engine fails to start, release the switch and wait 10 seconds before opera- tion the starter again. Do NOT push the START button while the engine is running because this can damage the ring gear and/or the starter motor. -
Page 22: Tig Welding
Super Arc L-50 and L-56, .035 (0.9 mm) and .045 (1.1 mm) Blue Max MIG 308 LS. Contact your local authorized Lincoln Electric Distributor or the Lincoln Electric Company for specific wires used on cer- tain applications with this machine. FOR TUNGSTEN ELECTRODES Approximate Argon Gas Flow Flow Rate C.F.H. -
Page 23: Arc Gouging
ARC GOUGING The Ranger® 250 can be used for limited arc gouging. For optimal performance, set the MODE switch to CC- STICK and the ARC CONTROL to +10. Set the CONTROL knob to adjust output current to the desired level for the gouging electrode being used according to the ratings in the following table. -
Page 24: Accessories
RECOMMENDED OPTIONAL EQUIPMENT K957-1 HEAVY DUTY, TWO WHEEL TRAILER FOR SMALL WELDERS - For road, off-road and in-plant and yard towing. (For highway use, consult applicable federal, state and local laws regarding requirements for brakes, lights, fenders, etc.). Order: K957-1 Trailer K958-1 Ball Hitch K958-2 Lunette Eye Hitch K959-2 Fender &... -
Page 25: Maintenance
SAFETY PRECAUTIONS WARNING • Have qualified personnel do all maintenance and troubleshooting work. • Turn the engine off before working inside the machine or servicing the engine. • Remove guards only when necessary to perform maintenance and replace them when the maintenance requiring their removal is complete. -
Page 26: Engine Oil Change
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 yel- low cap from the oil drain valve and attach the flexible drain tube supplied with the machine. Push in and twist the drain valve counterclockwise. -
Page 27: Air Filter Paper Element
AIR FILTER PAPER ELEMENT 1. Loosen the cover retaining knob and remove the cover. 2. Remove the pre-cleaner from the paper element. 3. Remove the element cover nut, element cover, and paper element. 4. Do not wash the paper element or use pressurized air, as this will damage the element. -
Page 28: Fuel Filter
FUEL FILTER 1. Check the fuel filter for water accumulation or sedi- ment. 2. Replace the fuel filter if it is found with excessive water accumulation or sediment. ENGINE ADJUSTMENT OVERSPEED IS HAZARDOUS The maximum allowable high idle speed for this machine is 3750 RPM, no load. -
Page 29: Welder / Generator Maintenance
WARNING • Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equip- ment may result in danger to the technician and machine operator and will invalidate your factory warranty. -
Page 30: Troubleshooting
HOW TO USE TROUBLESHOOTING GUIDE Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual. - Page 31 Observe all Safety Guidelines detailed throughout this manual PROBLEMS (SYMPTOMS) Major Physical or Electrical Damage is Evident. Engine will not "crank". Engine will "crank" but not start. Engine shuts down shortly after starting. Battery does not stay charged. If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
- Page 32 Observe all Safety Guidelines detailed throughout this manual PROBLEMS (SYMPTOMS) Engine will not idle down to low speed. Engine will not go to high idle when attempting to weld. Engine will not go to high idle when using auxiliary power. Engine does not develop full power.
- Page 33 Observe all Safety Guidelines detailed throughout this manual PROBLEMS (SYMPTOMS) No welding power output. Welder has output but no control. Wire feeder does not work when control cable is connected to 14 pin Connector. No auxiliary power. If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
- Page 34 Observe all Safety Guidelines detailed throughout this manual PROBLEMS (SYMPTOMS) The welding arc is “cold.” The welding arc is not stable or is not satisfactory. the engine runs nor- mally. The auxiliary power is nor- mal. If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
- Page 35 DIAGRAMS RANGER® 250...
- Page 36 DIAGRAMS RANGER® 250...
- Page 37 DIAGRAMS RANGER® 250...
- Page 38 DIAGRAMS RANGER® 250...
- Page 39 DIAGRAMS RANGER® 250...
- Page 40 DIAGRAMS RANGER® 250...
- Page 41 DIAGRAMS RANGER® 250...
- Page 42 DIAGRAMS RANGER® 250...
- Page 43 DIAGRAMS RANGER® 250...
- Page 44 F-10 F-10 DIAGRAMS RANGER® 250...
- Page 45 F-11 F-11 DIAGRAMS RANGER® 250...
- Page 46 F-12 F-12 DIMENSION PRINT RANGER® 250...
- Page 47 ● WARNING ● Spanish ● AVISO DE PRECAUCION ● French ● ATTENTION ● ● German WARNUNG ● Portuguese ● ATENÇÃO ● Japanese Chinese Korean Arabic ● ● ● ● ● ● ● ● ● ●...
- Page 48 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Spanish ● PRECAUCION French ● ATTENTION ● German WARNUNG Portuguese ● ● Japanese Chinese Korean Arabic WARNING AVISO DE ATENÇÃO...
- Page 49 • World's Leader in Welding and Cutting Products • • Sales and Service through Subsidiaries and Distributors Worldwide • Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com...