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MG TF Indicator switch

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MG TF Indicator switch #1
39speedtwin Dudley Woods Billericay, Essex, UK Sign in to contact 1929 AJS M7 1937 Matchless G80C 1953 Matchless G80CS 1954 MG TF	Topic Creator (OP) Mar 24, 2017 11:31 AM Joined 7 years ago 125 Posts

The TF indicator switch is described as having adjustable timing, I can find no reference as to how this is carried out. Perhaps the timer on my switch is no longer working as it returns immediately the hand is removed.
Any help greatly appreciated.

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Re: MG TF Indicator switch #2
peter14222 Peter Gilvarry Buffalo, NY, USA Sign in to contact 1955 MG TF 1500	Mar 24, 2017 11:44 AM Top Contributor Joined 7 years ago 3,842 Posts

Screw in the very back, usually the leather washer has dried out.

It can be pulled apart, soaked and may swell enough to work, if not, they are available.

Peter

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Re: MG TF Indicator switch #3
Buckdendave David Hill St Neots, Cambridgeshire, UK Sign in to contact 1954 MG TF	Mar 24, 2017 11:56 AM Top Contributor Joined 10 years ago 3,971 Posts

That is correct. Its a pneumatic device with a piston, spring and controlled air leak. You control the air leak to get the required timing. It can be taken apart and reassembled with care. As Peter says, lubricate the leather washer and check the adjustment screw is working correctly.
Dave H

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Re: MG TF Indicator switch #4
39speedtwin Dudley Woods Billericay, Essex, UK Sign in to contact 1929 AJS M7 1937 Matchless G80C 1953 Matchless G80CS 1954 MG TF	Topic Creator (OP) Mar 24, 2017 01:16 PM Joined 7 years ago 125 Posts

Thank you Peter and Dave, took the switch apart, cleaned the leather washer, lubricated it with 'Vaseline' as I have no Silicone grease.
Put back together all working as it should.

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Re: MG TF Indicator switch #5
Paul J Locust Grove, OK, USA Sign in to contact 1955 MG TF 1500	Mar 25, 2017 05:53 AM Top Contributor Joined 17 years ago 9,570 Posts

Their a pain in the butt and I opened mine up so no restriction. They stay on too long or not enough for varying situations and to me work better manually, turn it on and off by hand. I have a buzzer under the dash when blinking, you can't see the light indicator in the day time anyway, so even that isn't much help. PJ

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Re: MG TF Indicator switch #6
shoalsgary Gary Simpson Killen, AL, USA Sign in to contact 1954 MG TF "Junior"	Mar 26, 2017 02:52 PM Joined 7 years ago 1,494 Posts

My TF switch on my 55 that I had fifty years ago worked as designed. My switch on my present 54 cancels immediately. I think I liked the delay better, so I'll clean and lube.

Still love them, but sold the last one I'll have.

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