Northern Telecom Decorator Series Identification, Connections And Maintenance page 8

SECTION 502-9011 -200
CHART 1
REMOVING AND REPLACING THE BASE ASSEMBLY
STEP PROCEDURE
REMOVAL
1 Remove the receiver from the hook.
2 Remove the four screws (Fig. 8, Item 62) which secure the base assembly to the housing
assembly.
3 Lift the housing from the base assembly. Take care not to break the two transmitter leads.
REPLACEMENT
4 Place the housing over the dial, avoiding undue force. The fmgerwheel stop and dial adapter ring
- notch must be
aligned.
5 Using
a
small screwdriver, pry the lower left adapter tab away from the dial (Fig. 4[a]). Press
down on the housing until it drops (about 1/8 inch or 3.2 mm) into place.
6 Check that the other two tabs have cleared the dial. If not, push the tabs back with a screwdriver
(Fig. 4 [ b ]).
STEP PROCEDURE
CHART 2
REPLACING OF THE DIAL
1 Remove the base assembly according to Chart 1.
2 Remove the screw (Fig. 8, Item 65) from the platform on which the dial and line switch are
mounted. Lift the platform from the base.
3 Disconnect the leads from the dial.
4 Remove the three mounting screws which fasten the dial to the platform.
5 Replace the dial. See Schematic Diagram, Fig. 6 or 7 , for connections.
© Jeff Lamb
info@telephonecollectors.org 1063