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F-74TROUBLESHOOTING AND REPAIRF-74

CURRENT TRANSDUCER REMOVAL AND REPLACEMENT (continued)

PROCEDURE

1. Remove input power to the POWER WAVE

4. Using a 5/16” nut driver remove the four screws

from the bottom and right side of the rear assem-

355M/405M.

bly. See Figure F.34.

 

2.Using a 5/16” nut driver remove the case wrap- around cover.

3.Perform the Input Filter Capacitor Discharge Procedure detailed earlier in this section.

FIGURE F.34 – CASE BACK SCREW LOCATIONS

REAR

OFFOFFOFF

Plastic

Nut

5/16" Mounting Screws

POWER WAVE 355M/405M

Page 120
Image 120
Lincoln Electric 405M, 355M service manual 74TROUBLESHOOTING and REPAIRF-74, Current Transducer Removal and Replacement