Lincoln Electric SVM140-A service manual Figure F.24 Power Board Heatsink and Capacitor Removal

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F-64 F-64

TROUBLESHOOTING & REPAIR

PRIMARY POWER BOARD AND FILTER CAPACITOR

REMOVAL AND REPLACEMENT (continued)

FIGURE F.24 – POWER BOARD HEATSINK AND CAPACITOR REMOVAL

CAPACITOR

CLAMP

PRIMARY

POWER

P.C. BOARD

7/16"

CAPACITOR BOLT (4)

3/8" MOUNTING

INSULATOR (2)

	SOCKET
MOUNTING	HEAD
	SCREW (4)
SCREW (2)

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7.Using the slot-head screw driver, remove the two mounting screws from the left side of the primary power board. See Figure F.24. Take note of insulator placement for reassembly.

8.Using the 3/16” allen type wrench, remove the four socket head screws and lock wash- ers mounting the primary power board to the heat sink.

9.Carefully remove the primary power board from the heat sink.

CAUTION

Be sure to follow the recommended static-free methods for handling printed circuit boards. Failure to do so can result in permanent damage to the equipment.

PRO-CUT 55