Lincoln Electric 9940 Manuals

Manuals and User Guides for Lincoln Electric 9940. We have 1 Lincoln Electric 9940 manual available for free PDF download: Service Manual

Lincoln Electric 9940 Service Manual

Lincoln Electric 9940 Service Manual (112 pages)

Brand: Lincoln Electric | Category: Welding System | Size: 1 MB

Table of Contents

Table of Contents

6
- Safety
  2
  - Table of Contents
    6
- Installation
  7
- Technical Specifications
  8
- Safety Precautions
  9
- Select Proper Location
  9
- Stacking
  9
- Tilting
  9
- Input Electrical Connections
  10
- Fuse and Wire Sizes
  10
- Reconnect Procedure
  11
- Connect Output Cables
  14
- Installation of Field Installed Accessories
  14
- Installation of Wire Feeders
  14
- Paralleling
  14
Operation - Operation Section -

17
- Operation
  17
- General Description
  18
- Safety Instructions
  18
- Limitations
  19
- Machine Capability
  19
- Recommended Processes and Equipment
  19
- Controls and Settings
  20
- Local/Remote Switch
  20
- Power Switch
  20
- Voltage Adjustment Control Knob
  20
- Wire Feeder Voltmeter Switch
  20
- 10. Wire Feeder Receptacle
  21
- 42-Volt Circuit Breaker
  21
- Digital Voltmeter/Ammeter
  21
- Thermal Protection Indication Light
  21
- Volts/Amps Switch
  21
- Adjusting the Output Voltage Using the Digital Meter
  22
- Operating Steps
  22
- Starting the Machine
  22
- Using Auxiliary Power
  22
- Using Local/Remote Switch Operation
  22
- Machine and Circuit Protection
  23
- Accessories
  25
- Connecting Wire Feeder to the
  26
- Field Installed Accessories
  26
- Connecting Remote Control (K857) to
  27
- Maintenance
  29
- Routine and Periodic Maintenance
  30
- Safety Precautions
  30
- Theory of Operation
  33
- Power Supply Operation
  34
- Protection Devices and Circuits
  36
- SCR Operation
  37
Troubleshooting & Repair - Troubleshooting & Repair Section -

39

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