z) Servicing Procedures
This section documents remove and replace procedures for several non-obvious
components.
z.1. Front Panel Remove and Replace
The following steps list the procedure to remove and replace the front panel on an SB
series radio.
z.1.1. Front Panel Removal
1. Remove all of the front panel knobs, including the small knob on the zero setting shaft.
2. Remove the nut, lock washer, and large flat washer from the main frequency tuning shaft
3. Remove the tuning dial escutcheon
4. Disconnect the wires going to the microphone connector and remove the microphone
connector (transmitters and transceivers only)
5. Disconnect the meter leads (leave the meter attached to the panel)
6. Loosen the nuts on the Preselector and PA Tune shafts until they are clear of the bushings
(the nuts are located on the back side of the panel)
7. Remove all of the nuts and washers on the front panel
8. Remove the two screws at the top corners of the panel that attach the panel to the side
braces
9. The front panel should now be free and can be removed taking extra caution to prevent
pulling on the zero set shaft.
Note: I wonder if it is necessary to remove the escutcheon? It seems like you should be
able to loosen the nut on the main tuning shaft and lift the shaft and gently pull it forward
to clear the tuning dial
Servicing Procedures Page 64
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