Lincoln Electric K14051-1 Operator'S Manual Download Page 11

English 9 English 

Maintenance 

 WARNING 

For any repair operations, modifications or maintenances, 
it is recommended to contact the nearest Technical 
Service Center or Lincoln Electric. Repairs and 
modifications performed by unauthorized service or 
personnel will cause the lost of the manufacturer’s 
warranty 
 
Any noticeable damage should be reported immediately 
and repaired. 
 

Routine maintenance (everyday) 

  Check condition of insulation and connections of the 

work leads and insulation of power lead. If any 
insulation damage exists replace the lead 
immediately. 

  Remove the spatters from the welding gun nozzle. 

Spatters could interfere with the shielding gas flow to 
the arc. 

  Check the welding gun condition: replace it, if 

necessary. 

  Check condition and operation of the cooling fan. 

Keep clean its airflow slots. 

 

Periodic maintenance (every 200 working hours but at 
least once a year) 

Perform the routine maintenance and, in addition: 

  Keep the machine clean. Using a dry (and low 

pressure) airflow, remove the dust from the external 
case and from the cabinet inside. 

  If it is required, clean and tighten all weld terminals. 

 
The frequency of the maintenance operations may vary 
in accordance with the working environment where the 
machine is placed. 
 

 WARNING

 

Do not touch electrically live parts. 
 

 WARNING

 

Before removed case, machine has to be turned off and 
the power lead has to be disconnected from mains socket. 
 

 WARNING

 

Mains supply network must be disconnected from the 
machine before each maintenance and service. After 
each repair, perform proper tests to ensure safety. 
 

Customer Assistance Policy 

The business of The Lincoln Electric Company is 
manufacturing and selling high quality welding equipment, 
consumables, and cutting equipment. Our challenge is to 
meet the needs of our customers and to exceed their 
expectations. On occasion, purchasers may ask Lincoln 
Electric for advice or information about their use of our 
products. We respond to our customers based on the best 
information in our possession at that time. Lincoln Electric 
is not in a position to warrant or guarantee such advice, 
and assumes no liability, with respect to such information 
or advice. We expressly disclaim any warranty of any 
kind, including any warranty of fitness for any customer’s 
particular purpose, with respect to such information or 
advice. As a matter of practical consideration, we also 
cannot assume any responsibility for updating or 
correcting any such information or advice once it has 
been given, nor does the provision of information or 
advice create, expand or alter any warranty with respect 
to the sale of our products 
Lincoln Electric is a responsive manufacturer, but the 
selection and use of specific products sold by Lincoln 
Electric is solely within the control of, and remains the sole 
responsibility of the customer. Many variables beyond the 
control of Lincoln Electric affect the results obtained in 
applying these types of fabrication methods and service 
requirements. 
Subject to Change – This information is accurate to the 
best of our knowledge at the time of printing. Please refer 
to 

www.lincolnelectric.com

 for any updated information. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for K14051-1

Page 1: ...IM3019 05 2021 REV03 LF 33S OPERATOR S MANUAL ENGLISH Lincoln Electric Bester Sp z o o ul Jana III Sobieskiego 19A 58 260 Bielawa Poland www lincolnelectric eu...

Page 2: ...e enter your product identification data in the table below Model Name Code Serial Number can be found on the machine rating plate Model Name Code Serial number Date Where Purchased ENGLISH INDEX Tech...

Page 3: ...A 60 500 A OUTPUT RANGE Welding Current Range Maximum Open Circuit Voltage 20 500 A 113 Vdc or Vac peak WIRE SIZES mm Solid wires Cored wires Aluminium wires 0 6 to 1 6 1 2 to 2 4 1 0 to 1 6 PHYSICAL...

Page 4: ...Personal medical devices like pacemakers and hearing aids Check the electromagnetic immunity for equipment operating in or near the work area The operator must be sure that all equipment in the area...

Page 5: ...cordance with local electrical regulations ELECTRICALLY POWERED EQUIPMENT Regularly inspect the input electrode and work clamp cables If any insulation damage exists replace the cable immediately Do n...

Page 6: ...elding gas for the process used and properly operating regulators designed for the gas and pressure used Always keep cylinders in an upright position securely chained to a fixed support Do not move or...

Page 7: ...he duty cycle will cause the thermal protection circuit to activate Minutes or decrease Duty Cycle Input Supply Connection Check the input voltage phase and frequency of the power source that will be...

Page 8: ...desired length of electrode wire which protrudes from the tip of the torch after ending welding adjusting range from 20 to 320ms 18 Gas Flow Regulator Regulate flow between 0 25 LPM liter min 19 Wire...

Page 9: ...Inch Gas Purge switch 15 in the position Cold Inch and keep in this position until the electrode wire leaves the contact tip of the welding torch WARNING Take precaution to keep eyes and hands away f...

Page 10: ...r fire Keep cylinder away from welding or other live electrical circuits Never lift welder with cylinder attached Never allow welding electrode to touch cylinder Build up of shielding gas may harm hea...

Page 11: ...before each maintenance and service After each repair perform proper tests to ensure safety Customer Assistance Policy The business of The Lincoln Electric Company is manufacturing and selling high qu...

Page 12: ...First read the Part List reading instructions above then refer to the Spare Part manual supplied with the machine that contains a picture descriptive part number cross reference REACh 11 19 Communicat...

Page 13: ...in 5 10 or 15m K14070 1 Hand Amptrol welding voltage wire feeder speed WFS K 14068 1 Skid to LF33S K 14069 1 Limit Switch ROLL KIT FOR SOLID WIRES KP10344 0 8 0 6 0 8mm KP10344 1 0 0 8 1 0mm KP10344...

Page 14: ...English 12 English Connection configuration...

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