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Old 12-12-21, 18:47
David Dunlop David Dunlop is offline
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Join Date: Feb 2006
Location: Winnipeg, MB, Canada
Posts: 3,579
Default PLATES, Metal, Spring ZA/CAN 4745

This simple little part is similar in purpose, though slightly larger than the plates spot-welded into the upper rear sections of the Carriers No. 4 and the Cases, Remote Receiver. They all ensure adequate ground is maintained with the component chassis mounted inside each compartment.

There is probably the additional benefit for this particular Plates in the Supply Unit as it would also ensure the normally loose fitting Cases, Metal C1 that protects and shields the Receiver Vibrator Supply stays quiet and in place.

Space is extremely limited inside the Supply Unit, so as much access as possible needs to be available for servicing. Directly above where this Plates needs to be mounted on the mid-level shelf sits S-11A, the Dynamotor Input On/Off Switch relay. Canadian Marconi used the front two mounting screws for S-11A to mount the Plates. Metal Spring on the underside of the shelf. This means the open front end of the Plates now covers the rear two sets of S-11A mounting hardware, but everything is still accessible for servicing. That would not have been the case if the Plates had been spot welded in place.

In the photo, you will see a small BA screw sitting roughly between the two Plates mounting pan head screws, and to the left. I will refer back to this screw later.


David
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File Type: jpg WS No. 52 Supply Unit 21.JPG (285.2 KB, 1 views)
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