Lincoln Electric IM727 manual PRE-OPERATION Engine Service

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can cause fire.

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INSTALLATION

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HIGH ALTITUDE OPERATION

At higher altitudes, output derating may be necessary. As a rule of thumb, derate the welder output 5% for every 500 meters (1640 ft.) above 1000 meters (3280 ft.).

Contact a Perkins Service Representative for any engine adjustments that may be required for high alti- tude operation.

TOWING

The recommended trailers for use with this equipment for in-plant and yard towing by a vehicle(1) are Lincoln’s K767-1, K956-1 and K956-2. The K956-1 and K956-2 are also designed to be used at highway speeds(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. Some of the factors to be consid- ered are as follows:

1.Design capacity of trailer vs. weight of Lincoln equipment and likely additional attachments.

2.Proper support of, and attachment to, the base of the welding equipment so that there will be no undue stress to the trailer’s framework.

3.Proper placement of the equipment on the trailer to insure stability side to side and front to back when being moved and when standing by itself.

4.Typical conditions of use, such as travel speed, roughness of surface on which the trailer will be operated, and environmental conditions.

5.Proper preventative maintenance of trailer.

6.Conformance with federal, state and local laws.1

(1)For highway use, consult applicable federal, state and local laws regarding specific requirements for use on public highways, such as brakes, lights, fend- ers, etc.

VEHICLE MOUNTING

WARNING

Improperly mounted concentrated loads may cause unstable vehicle handling and tires or other compo- nents to fail.

Only transport this equipment on serviceable vehi- cles which are rated and designed for such loads.

Distribute, balance and secure loads so vehicle is stable under conditions of use.

Do not exceed maximum rated loads for compo- nents such as suspension, axles and tires.

Mount equipment base to metal bed or frame of vehicle.

Follow vehicle manufacturer’s instruction.

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PRE-OPERATION ENGINE SERVICE

READ the engine operating and maintenance instruc- tions supplied with this machine.

ENGINE OIL

The engine is shipped with the engine crankcase filled with high quality SAE 10W-30 oil (API class CD or bet- ter). Check the oil level before starting the engine. If it is not up to the full mark on the dip stick, add oil as required. Check the oil level every four hours of running time during the first 35 running hours. Refer to the engine Operator’s Manual for specific oil recommendations and break-in information. The oil change interval is dependent on the quality of the oil and the operating environment. Refer to the engine Operator’s Manual for the proper service and maintenance intervals.

FUEL USE DIESEL FUEL ONLY

WARNING

Stop engine while fueling.

Do not smoke when fueling.

• Keep sparks and flame away from tank.

Do not leave unattended while fueling.

DIESEL FUEL • Wipe up spilled fuel and allow fumes to clear before starting engine.

Do not overfill tank, fuel expansion may cause over- flow.

DIESEL FUEL ONLY

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Fill the fuel tank with clean, fresh diesel fuel. The capac- ity of the fuel tank is 22.5 gallons (85.1 liters). See engine Operator’s Manual for specific fuel recommendations.

NOTE: Before starting the engine, be sure the fuel shut- off valve on the sediment bowl is open by turning the han- dle counterclockwise.

SAE-400 SEVERE DUTY

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Contents IM727 Safety California Proposition 65 WarningsElectric Shock can kill Cylinder may explode if damaged Précautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Table of Contents Technical Specifications SAE-400 Severe Duty InstallationHeight Width Depth Weight Stacking Safety PrecautionsLOCATION/VENTILATION Angle of OperationPRE-OPERATION Engine Service Engine BREAK-IN Battery ConnectionEngine Cooling System Machine Grounding Spark ArrestorWelding Output Cables Table A.1 Combined Length of Electrode Work CablesOperating Instructions Safety InstructionsOperation General DescriptionOther Features Design Features and AdvantagesFor Auxiliary Power Duty CycleEngine Controls Polarity Switch Remote ControlAuxiliary Power Controls Welder ControlsStarting Instructions Engine OperationTypical Fuel Consumption BREAK-IN PeriodOptional Field Installed Accessories AccessoriesK1690-1 Gfci Receptacle KIT Periodic Maintenance MaintenanceRoutine Maintenance Engine OIL ChangeFuel PRE-FILTER/WATER Separator Assembly Bearing MaintenanceCommutator and Brush Maintenance Cooling SystemWater Separator Element Engine Maintenance Components Make Part NumberSecondary Fuel Filter For machines with separate spark arresting unit Gfci Receptacle Testing and RESET- Ting ProcedureFor machines with integral spark arresting muf- flers Troubleshooting HOW to USE Troubleshooting GuidePossible Areas Symptoms Misadjustments Course of ActionContact your local Lincoln Contact your local Lincoln Authorized Field Service Facility Faulty receptacles Wiring DiagramsSAE-400 Severe DutyDimension Print M8869-23SAE-400 Sever Duty Precaucion Aviso DE

IM727 specifications

Lincoln Electric IM727 is a highly regarded machine in the welding industry, particularly known for its remarkable performance and innovative features. This versatile inverter-based welding machine has been designed to meet the demands of various welding applications while ensuring ease of use and efficiency.

One of the standout features of the IM727 is its advanced inverter technology. This technology allows for a more compact design while maintaining exceptional power output and energy efficiency. With a lightweight structure, the IM727 is easy to transport, making it an ideal choice for both field work and shop environments.

The IM727 is equipped with a wide range of welding processes, including MIG, TIG, and Stick welding. This versatility allows users to switch between different welding methods depending on the specific requirements of a project, making it highly adaptable to various materials such as steel, stainless steel, and aluminum. The intuitive interface provides straightforward controls, making the setup process quick and easy for both novice and experienced welders.

Another significant characteristic of the IM727 is its precise arc control, which enhances the quality of the welds. The machine features digital control circuitry that offers consistent arc stability, reducing spatter and improving the final appearance of the weld bead. This not only reduces the amount of post-weld cleanup required but also ensures stronger, more reliable welds.

Safety is a paramount concern in welding, and the IM727 comes equipped with several protective features. Overcurrent protection, thermal overload protection, and a built-in fan ensure that the machine operates safely and reliably. These features extend the machine’s lifespan and provide peace of mind to the user.

Furthermore, the IM727 is designed with user-friendly accessibility in mind. The front panel provides clear indicators and settings to facilitate easy operation, while the rugged construction ensures durability even in harsh working conditions.

In conclusion, Lincoln Electric IM727 stands out as a versatile welding machine with advanced inverter technology, multiple welding capabilities, and a focus on user safety and convenience. Its combination of portability, performance, and reliability makes it an excellent choice for professionals looking to elevate their welding operations. Whether used in a busy fabrication shop or on-site repairs, the IM727 is engineered to deliver exceptional results in diverse welding scenarios.