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IM931
September, 2006
Ranger 250 LPG
For use with machines having Code Numbers: 11424
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. DO
NOT INSTALL, OPERATE OR
REPAIR THIS EQUIPMENT
WITHOUT READING THIS
MANUAL AND THE SAFETY
PRECAUTIONS CONTAINED
THROUGHOUT. And, most
importantly, think before you act
and be careful.
R
NRTL/
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i i SAFETY WARNING CALIFORNIA PROPOSITION 65 WARNINGS Diesel engine exhaust and some of its constituents The engine exhaust from this product contains are known to the State of California to cause can- chemicals known to the State of California to cause cer, birth defects, and other reproductive harm. cancer, birth defects, or other reproductive harm. The Above For Diesel Engines The Above For Gasoline Engines ARC WELDING CAN BE HAZARDOUS. PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY
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ii ii SAFETY ELECTRIC SHOCK can ARC RAYS can burn. 4.a. Use a shield with the proper filter and cover kill. plates to protect your eyes from sparks and 3.a. The electrode and work (or ground) circuits the rays of the arc when welding or observing are electrically “hot” when the welder is on. open arc welding. Headshield and filter lens Do not touch these “hot” parts with your bare should conform to ANSI Z87. I standards. skin or wet clothing. Wear dry, hole-free gloves to insulate hands. 4.b. Us
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iii iii SAFETY WELDING SPARKS can CYLINDER may explode cause fire or explosion. if damaged. 6.a. Remove fire hazards from the welding area. 7.a.Use only compressed gas cylinders If this is not possible, cover them to prevent containing the correct shielding gas for the the welding sparks from starting a fire. process used and properly operating Remember that welding sparks and hot regulators designed for the gas and materials from welding can easily go through small cracks pressure used. All hos
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iv iv SAFETY 5. Toujours porter des lunettes de sécurité dans la zone de PRÉCAUTIONS DE SÛRETÉ soudage. Utiliser des lunettes avec écrans lateraux dans les zones où l’on pique le laitier. Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce 6. Eloigner les matériaux inflammables ou les recouvrir afin de manuel aussi bien que les précautions de sûreté générales suiv- prévenir tout risque d’incendie dû aux étincelles
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v v for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product Thank You ��� as much pride as we have in bringing this product to you! Please Examine Carton and Equipment For Damage Immediately When this equipment is shipped, title passes to the purchaser upon receipt by the carrier. Consequently, Claims for material damaged in shipment must be made by the purchaser against the transportation company at the time the shipment
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vi vi TABLE OF CONTENTS Page Installation.......................................................................................................................Section A Technical Specifications.......................................................................................................A-1 Machine Specifications ........................................................................................................A-2 Safety Precautions. ................................................
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vii vii TABLE OF CONTENTS Maintenance......................................................................................................Section D Safety Precautions ................................................................................................D-1 Routine Maintenance ......................................................................................D-1 Engine Maintenance Components ........................................................................D-1 Engine Oil Chang
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A-1 A-1 INSTALLATION TECHNICAL SPECIFICATIONS - RANGER 250 LPG (K2336-2) INPUT - LPG ENGINE Make/Model Description Horsepower Operating Displacement cu. in.(cu. cm) Starting Capacities @ 3600 RPM SPEED Bore x Stroke in.(mm) System 12VDC Battery and starter High 2 Cylinder 3700RPM Kohler Fuel: LPG Push Button 4 Cycle CH730S Air Cooled 25 HP Full Load 44 (725) Cylinder Starter 3500RPM OHV LPG 3.27x 2.64 (83x67) Oil: 2.0Qts.(1.9L) Engine Group 58 Battery Low Idle (435 cold 2400RPM cr
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A-2 A-2 INSTALLATION MACHINE SPECIFICATIONS - RANGER 250 LPG Engine (K2336-2) RECEPTACLES AND CIRCUIT BREAKERS RECEPTACLES AUXILIARY POWER CIRCUIT BREAKER OTHER CIRCUIT BREAKERS (2) 120VAC GFCI Two 20AMP for Two Duplex Receptacle 20AMP for Battery Charging Circuit Duplex (5-20R) (1) 120/240VAC Dual Voltage One 50AMP for Dual Voltage (2-pole) 15AMP for 42V Wire Feeder Power Full KVA (14-50R) RANGER 250 LPG
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A-3 A-3 INSTALLATION SAFETY PRECAUTIONS WARNING WARNING � Lift only with equipment of ade- Do not attempt to use this equipment until you quate lifting capacity. have thoroughly read the engine manufacturer’s manual supplied with your welder. It includes � Be sure machine is stable important safety precautions, detailed engine when lifting. starting, operating and maintenance instructions, � Do not lift this machine using and parts lists. lift bail if it is equipped with a -------------------
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A-4 A-4 INSTALLATION VEHICLE MOUNTING CAUTION WARNING Be certain that the cylinder valve is CLOSED before Improperly mounted concentrated loads may attempting to attach the fuel supply hose coupler to cause unstable vehicle handling and tires or other the cylinder. Connect the coupler to the fuel cylinder components to fail. and tighten by hand. � Only transport this Equipment on serviceable ___________________________________________ vehicles which are rated and designed for such After conne
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A-5 A-5 INSTALLATION OIL CAUTION The RANGER 250 LPG is shipped with the engine An incorrect spark arrester may lead to damage to crankcase filled with high quality SAE 10W-30 oil. the engine or adversely affect performance. Check the oil level before starting the engine. If it is ------------------------------------------------------------------------ not up to the full mark on the dip stick, add oil as HIGH FREQUENCY GENERATORS FOR required. Check the oil level every four hours of run- TIG A
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A-6 A-6 INSTALLATION ELECTRICAL CONNECTIONS WELDING OUTPUT CABLES With the engine off connect the electrode and work MACHINE GROUNDING cables to the output studs. The welding process dic- tates the polarity of the electrode cable. These con- nections should be checked periodically and tightened Because this portable engine driven welder creates its with a 3/4" wrench. own power, it is not necessary to connect its frame to an earth ground, unless the machine is connected to Table A.1 lists re
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A-7 A-7 INSTALLATION 2. Take necessary steps to assure load is limited to AUXILIARY POWER RECEPTACLES the capacity of the RANGER 250 LPG by installing a 40 amp, 240 VAC double pole circuit breaker. Start the engine and set the “IDLER” control switch to Maximum rated load for each leg of the 240 VAC the “High Idle” mode. Voltage is now correct at the auxiliary is 33 amperes. receptacles for auxiliary power. This must be done before a tripped GFCI receptacle can be reset proper- Loading above
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A-8 A-8 INSTALLATION CONNECTION OF RANGER 250 LPG TO PREMISES 240 VOLT GROUNDED CONDUCTOR POWER 240 Volt 120 VOLT 60 Hz. COMPANY 3-Wire 120 VOLT Service METER NEUTRAL BUS N LOAD DOUBLE POLE DOUBLE THROW SWITCH RATING TO BE THE SAME AS OR GREATER THAN PREMISES SERVICE OVERCURRENT PROTECTION. PREMISES DISCONNECT AND SERVICE GROUND OVERCURRENT 40AMP PROTECTION 240 VOLT DOUBLE POLE 50 AMP, 120/240 CIRCUIT VOLT PLUG 240 VOLT BREAKER NEMA TYPE 14-50 GND N 50 AMP, 120/240 VOLT NOTE: No. 6 COPPER C
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A-9 A-9 INSTALLATION CONNECTION OF LINCOLN ELEC- e. Across-The-Arc Model: TRIC WIRE FEEDERS Set the "WELD TERMINALS" switch to "WELD TERMINALS ON" Connection of LN-7 or LN-8 to the RANGER 250 LPG Control Cable Model: Set the "WELD TERMINALS" switch to 1. Shut the welder off. "REMOTELY CONTROLLED" f. Set the "WIRE FEEDER VOLTMETER" switch to 2. Connect the LN-7 or LN-8 per instructions on the either "+" or "-" as required by the electrode polarity appropriate connection diagram in Section F be
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A-10 A-10 INSTALLATION Connection of Prince Spool Gun to the RANGER Connection of the LN-25 to the RANGER 250 LPG 250 LPG The LN-25 with or without an internal contactor may be Connection of the Prince XL Spool Gun requires the used with the RANGER 250 LPG. See the appropriate use of the K1849-1 Adapter Module. connection diagram in Section F. 1. Shut the Welder off. Note: The LN-25 (K431) Remote Control Module and (K432) Remote Cable are not recommended for use with 2. For electrode Positiv
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B-1 B-1 OPERATION SAFETY PRECAUTIONS DESIGN FEATURES Read and understand this entire section before ENGINE OPERATION operating your RANGER 250 LPG. Before Starting the Engine: Do not attempt to use this equipment until you have thoroughly read all operating and mainte- 1. Be sure the machine is on a level surface. nance manuals supplied with your machine. They include important safety precautions, detailed 2. Open top engine door and remove the engine oil engine starting, operating and main
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B-2 B-2 OPERATION 14 1 2 13 12 11 10 3 9 8 7 6 5 4 WELDING CONTROLS: CC-STICK mode: In this mode, the ARC CONTROL dial 1. OUTPUT CONTROL: The CONTROL dial pro- sets the short circuit current (arc-force) during stick welding vides continuous control of the welding current or weld- to adjust for a soft or crisp arc. Increasing the number from - ing voltage depending on the selected welding mode. 10(soft) to +10(crisp) increases the short circuit current and This control is not active in the CC-STI
