Lincoln LN-742H manual Attaching the Wire Reel Stand

Page 31

C-5

ACCESSORIES

C-5

 

 

 

K377 SMALL MOUNTING STAND FOR READI-REEL COILS AND 22 TO 30 LB SPINDLE WITH 2 IN. I.D.

This assembly includes a wire reel spindle (similar to the K162 spindle) attached to a small frame. The unit is supplied with the K363 Readi-Reel Adapter for using the Lincoln “Readi-Reel Electrode Coils”. Without the adapter the unit is capable of handling spools with a 2 in. I.D., a 12 in. maximum O.D., and a 4 in. width. For spools with an 8 in. O.D., a K468 spindle adapter is available. The spindle has an adjustable braking system. See Attaching the Wire Reel Stand procedure at the end of this section for installation procedures.

K378 SMALL MOUNTING STAND FOR

13 TO 14 LB INNERSHIELD COILS

This assembly includes the same smaller frame as used in the K377 and the fully enclosed canister system for dereeling of the 14 lb coil. This system has a fixed brake for the 14 lb coil. See Attaching the Wire Reel Stand Procedure at the end of this section for installation procedures.

K435 SPINDLE ADAPTER FOR

14 LB COILS

Permits 14 lb (6 kg) Innershield coils to be mounted on 2 in. (51 mm) O.D. spindles. For K377 and K445, or K303 and K376 with optional K162H adapter.

K438 50 TO 60 LB READI-REEL ADAPTER

Adapts Lincoln Readi-Reel coils of 50 to 60 lb (22.7 to

27.7kg) to a 2 in. (51 mm) spindle. (Included with K445.)

K445 MOUNTING STAND FOR READI- REEL COILS AND 50 TO 60 LB SPINDLE WITH 2 IN. O.D.

50 to 60 lb (22.7 to 27.7 kg) Readi-Reel mounting stand. This assembly includes framework that a 2 in. (51 mm) O.D. spindle with adjustable brake and 50 to 60 lb (22.7 to 27.7 kg) (K438) Readi-Reel adapter. Includes a lift bail and cable clamp for fastening the input cable assembly. Does not include a dust shield. A dust shield that covers the wire reel and protects the wire from falling dirt and dust is available for this unit. Order part number S14543. This unit will accept the M11514 door kit (see K303) but only if already equipped with optional dust shield (S14543).

K468 SPINDLE ADAPTER FOR

8 IN. O.D. SPOOLS

Permits 8 in. (203 mm) O.D. spools to be mounted on 2 in. (51 mm) O.D. spindles. For K377 and K445, or K303 and K376 with optional K162H adapter.

M11514 WIRE REEL DUST SHIELD DOOR FOR K303 AND K376

In extremely dusty and dirty locations this door kit can be added to those units having the dust shield kit (S14543). This door kit includes a hinged door and sliding bottom seal. When these parts are attached to the reel support per the instructions included, the unit becomes a completely enclosed housing. Order part no. M11514.

S14543 WIRE REEL DUST SHIELD FOR

K376 50 TO 60 LB WIRE REEL MOUNTING STAND

A shield is available to cover the wire and reel to protect the wire from falling dirt and dust. Order part no. S14543. Instructions are provided with the kit.

ATTACHING THE WIRE

REEL STAND

The mounting hardware for mounting the stands is included with the LN-742. Screws and washers are inserted in their respective mounting holes. To connect:

1.Remove the three 3/8 in. hex head bolts from the back of the wire feed unit.

2.Place the wire reel mounting stand mounting bracket in position against the back of the wire feed unit.

3.Replace and tighten the hex head bolts. The long screw and plain washer go into the top hole.

LN-742 & LN-742H

Image 31
Contents LN-742 & LN-742H Wire Feeders California Proposition 65 Warnings SafetyElectric Shock can kill Cylinder may explode if damaged Sûreté Pour Soudage a L’Arc Précautions DE SûretéThank You Table of Contents Technical Specifications LN-742 InstallationInput Cable Connections Mounting LocationFigure A.2 Strain Relief Clamp PIN GUN Cable Connections Table A.1 Work Lead SpecificationsWork Cable GUN and Cable AssembliesFigure A.5 Water Connections Water Connections For Water Cooled GunsFigure A.6 Shielding GAS Hookup Gmaw Shielding GAS HookupGeneral Description Safety PrecautionsOperation Operating InstructionsFigure B.1 Wire Feeder Controls Controls and SettingsEnglish or Metric Speed Display Units Acceleration SettingDrive Roll Installation Changing Drive Rolls for TWO- Roll Wire FeedersGuide Tube Detail Changing Drive Rolls for FOUR- Roll Wire Feeders Figure B.3 Installing Drive Rolls on a FOUR-ROLL Feeder Figure B.4 Idle Roll Pressure Setting Idle Roll Pressure SettingFigure B.5a Threaded Locking Collar Wire LoadingInnershield Coils Electrode Feeding and Brake AdjustmentTo Mount a 50 or 60 LB Coil Adjustable Wire Reel BrakeFigure B.7 K1504-1 Coil Reel READI-REELS a K438 READI-REEL Adapter Must be UsedMaking a Weld Wire Reel ChangingTable C.1 LN-742 Accessories AccessoriesGeneral Solenoid KIT K589-1 Remote Control KITK163 Undercarriage K178-1 Mounting PlatformWelding Guns Power Input CablesSPINDLES, STANDS, Adapters Attaching the Wire Reel Stand Table C.2 Drive Roll KIT Numbers Drive Roll KitsRoutine Maintenance MaintenancePeriodic Maintenance HOW to USE Troubleshooting Guide TroubleshootingTroubleshooting Troubleshooting Troubleshooting Troubleshooting Troubleshooting Troubleshooting Diagrams LN-742 & LN-742H LN-742 & LN-742H LN-742 & LN-742H LN-742 & LN-742H Precaucion Warnung

LN-742, LN-742H specifications

The Lincoln LN-742H and LN-742 are renowned models in the realm of industrial welding equipment, specifically designed to cater to the needs of professional welders and fabricators. These machines stand out for their robustness, advanced technology, and ease of use, making them popular choices in various industries, including construction, automotive, and manufacturing.

One of the main features of the Lincoln LN-742H and LN-742 is their powerful Arc control capabilities. The machines are equipped with innovative technology that allows for consistent arc stability, which is crucial for achieving high-quality welds. The adjustable arc force enables users to tailor the welding parameters to their specific applications, facilitating optimal penetration and minimal spatter.

The LN-742H model is particularly notable for its enhanced portable design, making it easier for operators to transport the machine to different job sites. This portability does not compromise its power, as it offers a high output suitable for both thin and thicker materials. Moreover, the LN-742 model comes with a highly efficient cooling system that ensures the machine runs smoothly without overheating, even during prolonged use.

Both models feature an intuitive user interface that simplifies the welding process. The digital display offers real-time feedback on the welding parameters, allowing welders to make precise adjustments as needed. This feature is especially beneficial for beginners, who may be unfamiliar with optimal welding settings.

Another impressive characteristic of the Lincoln LN-742H and LN-742 machines is their versatility. They support various welding processes, including MIG, TIG, and stick welding, giving users the flexibility to choose the most suitable method for their projects. This adaptability makes these models an ideal solution for shops that handle a wide range of welding tasks.

Durability is a significant consideration in the design of the LN-742H and LN-742, as they are built with high-quality materials that withstand heavy use and challenging conditions. The rugged construction extends the lifespan of the machines, reducing the need for frequent repairs and servicing.

In summary, the Lincoln LN-742H and LN-742 welding machines exemplify advanced engineering and user-focused design. Their combination of powerful performance, portability, user-friendly features, and versatile applications makes them essential tools for professionals in the welding industry, paving the way for excellence in metal fabrication and repair.