Page 2 - SAFETY; WARNING; CALIFORNIA PROPOSITION 65 WARNINGS; The Above For Diesel Engines
FOR ENGINEpowered equipment. 1.a. Turn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b. Operate engines in open, well-ventilated areas or vent the engine exhaust fumes outdoors....
Page 5 - PRÉCAUTIONS DE SÛRETÉ
iv SAFETY iv Mar. ‘93 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 L’Arc 1. Protegez-vous contr...
Page 6 - Thank You; Please Examine Carton and Equipment For Damage Immediately
v v Thank You for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product••• as much pride as we have in bringing this product to you! Read this Operators Manual completely before attempting to use this equipment. Save this manual...
Page 7 - TABLE OF CONTENTS
vi vi TABLE OF CONTENTS Page Installation .......................................................................................................................Section A Technical Specifications .......................................................................................................A...
Page 9 - INSTALLATION; INPUT - GASOLINE ENGINE
Make/Model Description Horsepower Operating Displacement cu. in.(cu. cm) Starting Capacities @ 3600 RPM SPEED Bore x Stroke in.(mm) System RANGER 250 1. Output rating in watts is equivalent to volt-amperes at unity power factor. Output voltage is within ± 10% at all loads up to rated capacity. When ...
Page 10 - RECEPTACLES AND CIRCUIT BREAKERS
A-2 INSTALLATION RANGER 250 A-2 MACHINE SPECIFICATIONS - Ranger 250 (K1725-6, K1725-7, K1725-8, K1725-9) RECEPTACLES AUXILIARY POWER CIRCUIT BREAKER OTHER CIRCUIT BREAKERS (2) 120VAC Duplex (5-20R) Two 20AMP for Two Duplex Receptacle 20AMP for Battery Charging Circuit (1) 120/240VAC Dual Voltage One...
Page 11 - SAFETY PRECAUTIONS
A-3 INSTALLATION RANGER 250 A-3 LIFTING The RANGER 250 weighs approximately 575 lbs. witha full tank of gasoline. A lift bail is mounted to themachine and should always be used when lifting themachine. ADDITIONAL SAFETY PRECAUTIONS • Lift only with equipment of adequate lifting capacity. • Be sure m...
Page 12 - PRE-OPERATION ENGINE SERVICE; GASOLINE FUEL ONLY
A-4 INSTALLATION RANGER 250 A-4 4. Typical conditions of use, i.e., travel speed; rough- ness of surface on which the trailer will be operat-ed; environmental conditions. 5. Conformance with federal, state and local laws. (1) (1) Consult applicable federal, state and local laws regarding specific re...
Page 13 - REMOTE CONTROL; ELECTRICAL CONNECTIONS; MACHINE GROUNDING; WELDING TERMINALS
A-5 INSTALLATION RANGER 250 A-5 An incorrect spark arrester may lead to damage tothe engine or adversely affect performance. ------------------------------------------------------------------------ HIGH FREQUENCY GENERATORS FORTIG APPLICATIONS The K930-2 TIG Module is suitable for use with theRanger...
Page 14 - CABLE INSTALLATION; AUXILIARY POWER RECEPTACLES; TOTAL COMBINED LENGTH OF
A-6 INSTALLATION RANGER 250 A-6 Table A.1 lists recommended cable sizes and lengthsfor rated current and duty cycle. Length refers to thedistance from the welder to the work and back to thewelder. Cable diameters are increased for long cablelengths to reduce voltage drops. TABLE A-1 CABLE INSTALLATI...
Page 15 - CONNECTION OF RANGER 250 TO PREMISES WIRING
A-7 INSTALLATION RANGER 250 A-7 240 Volt 60 Hz. 3-Wire Service POWER COMPANY METER 240 VOLT 120 VOLT 120 VOLT LOAD N NEUTRALBUS GROUND PREMISES DISCONNECT AND SERVICE OVERCURRENT PROTECTION GND N NOTE: No. 6 COPPER CONDUCTOR CABLE SEE NATIONAL ELECTRICAL CODE FOR ALTERNATE WIRE SIZE RECOMMENDATIONS....
Page 18 - OPERATION; GENERAL DESCRIPTION; ENGINE OPERATION; ADDITIONAL SAFETY PRECAUTIONS
B-1 OPERATION RANGER 250 B-1 GENERAL DESCRIPTION The Ranger 250 is a gasoline engine powered DCmulti-process welding power source and 120 / 240volt AC power generator. The engine drives a genera-tor that supplies three phase power for the DC weld-ing circuit and single phase power for the AC auxilia...
Page 20 - START PUSH BUTTON
B-3 OPERATION B-3 4 . W E L D O U T P U T T E R M I N A L S W I T HFLANGE NUT: Provides a connection point for the electrode andwork cables. Output stud covers provided on code 11270and above. 5. GROUND STUD: (graphic) P r o v i d e s a c o n n e c t i o n p o i n t f o r c o n n e c t i n g t h ema...
Page 21 - STOPPING THE ENGINE; WELDER OPERATION; DUTY CYCLE; DC STICK WELDING; CAUTION; TYPICAL RANGER 250 FUEL CONSUMPTION
B-4 OPERATION B-4 Operating the starter motor for more than 5 secondscan 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 buttonwhile the engine is running because this can damagethe ring gear and/or the ...
Page 22 - TIG WELDING
B-5 OPERATION B-5 TIG WELDING The TOUCH START TIG setting of the MODE switch is forDC TIG (Tungsten Inert Gas) welding. To initiate a weld,the CONTROL dial is first set to the desired current andthe tungsten is touched to the work. During the time thetungsten is touching the work there is very littl...
Page 23 - ARC GOUGING
B-6 OPERATION B-6 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 thedesired level for the gouging electrode being usedaccording to the ratings in the ...
Page 24 - ACCESSORIES
C-1 ACCESSORIES C-1 RECOMMENDED OPTIONALEQUIPMENT K957-1 HEAVY DUTY, TWO WHEEL TRAILER FORSMALL WELDERS - For road, off-road and in-plant and yard towing. (For highway use, consult applicablefederal, state and local laws regarding requirementsfor brakes, lights, fenders, etc.). Order: K957-1 Trailer...
Page 25 - MAINTENANCE; KOHLER ENGINE
D-1 MAINTENANCE D-1 RANGER 250 KOHLER ENGINE (1) Service more frequently when used in dusty areas and/or at high ambient temperatures. SAFETY PRECAUTIONS • Have qualified personnel do all maintenance and troubleshooting work. • Turn the engine off before working inside the machine or servicing the e...
Page 26 - ENGINE OIL CHANGE; AIR PRE-CLEANER SERVICE
D-2 MAINTENANCE D-2 ENGINE OIL CHANGE Drain the oil while the engine is warm to assure rapidand complete draining. • Remove the oil filler cap and dipstick. Remove the yellow cap from the oil drain valve and attach theflexible drain tube supplied with the machine. Push inand twist the drain valve co...
Page 27 - AIR FILTER PAPER ELEMENT
D-3 MAINTENANCE D-3 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 ...
Page 30 - TROUBLESHOOTING; HOW TO USE TROUBLESHOOTING GUIDE
E-1 TROUBLESHOOTING E-1 RANGER 250 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. CAUTION This Troubleshooting Gui...
Page 31 - PROBLEMS
E-2 TROUBLESHOOTING E-2 RANGER 250 Observe all Safety Guidelines detailed throughout this manual 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 a...
Page 35 - DIAGRAMS
F-1 DIAGRAMS F-1 RANGER 250 NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diag ram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department ...
Page 41 - WA
F-7 DIAGRAMS F-7 RANGER 250 o r s e rvice t his e q u ip m e n t. O n ly qualified pe rs onne l s hou ld ins tall, u s e Keep aw ay from m o vi ng pa rt s . Keep gua rd s in p lac e. MO VING PART S ca n injure WA R N IN G Do not t ouch e lectricall y liv e pa rt s . be fo re s e rvici ng. Disconnect...
Page 46 - DIMENSION PRINT
C CI RCU IT BR EA KE RS 41.2 0 10 46.5 17.5 0 44 4.5 19.5 0 49 5.3 TRUC K/ UN DE RC AR RI AG E MOU NTING HOLE S 7.22 18 3.3 24.8 6 63 1.3 2.62 66.5 23 .5 0 59 6. 9 15 .5 0 39 3.7 CE NTER OF GR AV ITY 29.8 0 75 6.9 NO TE : CASE F RONT GRAPHI CS MAY NOT M AT CH AL L CODES. 42.1 0 10 69.5 20.8 0 52 8.3...
Page 47 - ÇÃ
WARNING AVISO DE PRECAUCION ATTENTION WARNUNG ATEN ÇÃ O Spanish French German Portuguese Japanese Chinese Korean Arabic READ AND UNDERSTAND THE MANUFACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BEUSED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES. SE RECOMIENDA LEER Y ENTENDER LAS I...