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+--- Thread: SM5 Switch Panel. Anyone repair them ? (/showthread.php?tid=787)
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RE: SM5 Switch Panel. Anyone repair them ? - AustinWood - 13-02-2018
There are 2 variants. One has the coil of wire and a 3.5 volt bulb. The other has no wire coil and a six volt bulb.
It is easy to convert the 3.5 volt to six either by replacing the wire with a resistor as Dave suggests or removing the wire and fitting a 6 volt bulb.
RE: SM5 Switch Panel. Anyone repair them ? - "Slack Alice" Simon - 13-02-2018
(13-02-2018, 10:09 AM)AustinWood Wrote: There are 2 variants. One has the coil of wire and a 3.5 volt bulb. The other has no wire coil and a six volt bulb.
It is easy to convert the 3.5 volt to six either by replacing the wire with a resistor as Dave suggests or removing the wire and fitting a 6 volt bulb.
I simply use a 12v bulb. Works fine.
Simon
RE: SM5 Switch Panel. Anyone repair them ? - Mike Costigan - 13-02-2018
The 20-0-20 ammeter suggests a 12 volt application, probably an Austin 12/4.
RE: SM5 Switch Panel. Anyone repair them ? - Dave Wortley - 07-03-2018
Mike,
My RN has a 20-0-20 switchpanel. It’s the original one as fitted.
Cheers,
Dave.
RE: SM5 Switch Panel. Anyone repair them ? - Duncan Grimmond - 07-03-2018
Quote
"Pop down to Maplins and get a 27 ohm resistor to replace the wire wound one."
You'll have to be quick!