Lincoln Electric LN-8 SVM132-A Manuel d'utilisateur télécharger pdf (Page 81)

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F-31

TROUBLESHOOTING AND REPAIR

F-31

REPAIR PROCEDURE

1. Using the 5/16 in. nutdriver

remove the screws from the left

side cover assembly.

2. Remove the Relay PC board as

described in the PC Board

Replacement procedure.

3. Disconnect the Molex plug for the

trigger transformer from the bottom

of the relay board. Refer to Figure

F.9.

4. Using a flat blade screwdriver and

needlenose pliers, remove the trig-

ger transformer and insulation

sheet from the case.

5. Place the insulation sheet and new

trigger transformer into the case

and install the screws and nuts

that secure the transformer in

place.

6. Install the Relay PC board as

described in the PC Board

Replacement procedure.

7. Attach the trigger transformer

Molex plug to the bottom of the

relay board.

8. Install the screws that secure the

left side cover assembly.

LN-8

TRIGGER TRANSFORMER REPLACEMENT (continued)

FIGURE F.9 – TRIGGER TRANSFORMER REMOVAL

INSULATION

SHEET

TRIGGER

TRANSFORMER

RELAY

PC BOARD

ROUNDHEAD

SCREW

NUT

1 2 ... 76 77 78 79 80 81 82 83 84 85 86 ... 98 99

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Lincoln Electric LN-8 SVM132-A Manuel d'utilisateur Page 81

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