Viking rm 463 service bulletin

Page 1

7m and Eddie 5mm 3am

GENERAL MERCHANDISE OFFICE

KITCHENER

aux 1'6

mm Mumnm'rmn

Sane Calumet: may find the hum leval on the m 46A to he objectionable,
pitticullttly where the u: u usad 1n a beam. The hum may be
minimized by repositioning the ground lead of the electrolytic tandem"
u (allows:

L Remove the black lead (ground) of the alsclrolytll: condense: from the
at: point on pin: two and three nf the 12mm tube.

2. Connect this lead (a the B- lide of the AC receptlcle on the back of
the chants. This 13 :11: right terminal on [ha receptacle when
viewing the bottom of the chassis from the buck.

This change has been mat on current production Ind Existing wlrahmlse
stack.

we would suggest thl: twining mm slack be modiflud lucnlly. A
labour allowance of sum per unit um be made upon receipt of your
debit mt: listing [hi serial number! of {he lets modified.

m very truly,

Dominion mac-moms lnduittial Limited

AiE/A

1x];- D. Kehn

sup9rvisor, meld Service