Lincoln Electric SVM151-A service manual Figure F.16 Diode Module Tightening Sequence

Return to Section TOC

Return to Section TOC

Return to Master TOC

Return to Master TOC

F-59	F-59
	TROUBLESHOOTING & REPAIR

DIODE MODULE REMOVAL AND REPLACEMENT(CONTINUED)

FIGURE F.16 – DIODE MODULE TIGHTENING SEQUENCE

1	2
2 TO 3	5.0-10 IN-LBS.
TURNS EACH	FINGER TIGHT
SPRING WASHER	5.0-10 IN-LBS.
PLAIN WASHER

3	4
12-18 IN-LBS.	30-40 IN-LBS.

Return to Section TOC

Return to Section TOC

Return to Master TOC

Return to Master TOC

Refer to Figure F.16.

4.Place a spring washer then a flat washer over each outer mounting screw and insert them into the holes. Insert the allen head screw into the center hole. Tighten all three screws 2 – 3 turns each, finger-tight only.

(1)

5.Using the torque wrench and 7/16" socket, tighten the outer screws to between 5.0 and 10 in-lbs. (2)

6.Using the torque wrench and 9/64" allen head socket, tighten the center screw between 12 and 18 in-lbs. (3)

7.Now tighten the two outer screws between 30 and 40 in-lbs. (4)

8.Place the negative capacitor strap over the diode module and align the mounting holes. Place a lock washer and two flat washers

over each 7/16" screw and insert them into the holes. Using the torque wrench and 7/16" socket, tighten each screw between 30 and 40 in-lbs.

9.Install the 7/16" bolt, lock washer, flat washer, heavy lead and negative strap to the negative terminal on the capacitor. Tighten the bolt to 50-60 in-lbs.

10.Remove the wooden blocking and careful- ly lower the tunnel assembly onto the machine base. Support the tunnel assem- bly and turn the machine onto its side.

11.With the 3/8" wrench, install the four screws that hold the tunnel assembly to the machine base. Turn the machine back upright.

12.Perform the Case Cover Assembly Replacement procedure.

MULTI-WELD 350