A-15

INSTALLATION

A-15

 

 

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INPUT CABLE CONNECTIONS

For connecting an LN-8 to a specific Lincoln Electric power source, use the appropriate steps in one of these paragraphs and refer to the connection dia- grams listed on Table A.2 for the applicable power source. Table A.2 lists each figure number with its corresponding power source.

LN-8N AND LN-8S

The input cable consists of an electrode cable and a multi-conductor control cable. The control cable has a polarized plug on the wire feeder end. To connect the cables, refer to Figure A.11 and perform these steps:

1.Connect the polarized plug of the control cable to the mating connector on the back of the wire feeder.

FIGURE A.11 – INPUT CONTROL CABLE AND ELECTRODE CABLE CONNECTIONS

CABLE￿

CLAMP ￿

CONDUCTOR

ELECTRODE￿

CABLE

WIRE￿

REEL￿

BASECONTROL￿

CABLE

2.Remove the screws holding the cable clamp located near the rear of the wire reel base. Put the control cable and electrode cable under the clamp and install the screws. On cables with more than one electrode cable, leave the junction between the two or more cables and the single 4/0 stub behind the clamp so only the single electrode lead is under the clamp.

3.Pass the single electrode cable through the holes provided in the back corner of the control section and fasten it to the tab on the conductor above the rear brass block of the wire feeder.

LN-8NE AND LN-8SE

The extension unit consists of a wire reel mount with a hand crank and either a 22-1/2 or 45 ft (6.9 or

13.7m) extension cable assembly. The cable is rated at 450 amps, 50% duty cycle. For higher currents install a parallel length of 1/0 cable per step 10. The extension cable can be used for 0.068 through 0.120 in. (1.7 through 3.0 mm) flux-cored electrode and 5/64 through 3/32 in. (2.0 through 2.4 mm) solid electrode. The 22-1/2 ft. (6.9 m) cables can also be used for 1/16 in. (1.6 mm) solid electrodes. To con- nect the cables, perform these steps:

1.When shipped, the hand crank on the wire reel mount is equipped to feed 1/16 through 0.120 in. (1.6 through 3.0 mm) electrode.

LN-8

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Lincoln Electric SVM132-A service manual Input Cable Connections, LN-8N and LN-8S, LN-8NE and LN-8SE