A resend due to so-called "bounce" issues.
SDL
From: Simon Lachlan [mailto:simon.lachlan@homecall.co.uk]
Sent: 23 October 2007 12:29
To: 'BJ8Healeys'; 'Healey Mail List'
Subject: RE: [Healeys] OD Problem
Yes, it sounds just like relay problems.
Yes, there does seem to be a load of crappy relays out there.
I opened my last defective one up and found it to be suffering from the
apparent signs of damp.......evident moisture/condensation and corrosion on
points which were not worn and properly gapped, it seemed to me.
I cleaned them up and did the appropriate tests and it worked fine and still
does. Touch wood!
I resealed the relay with a bit of plumber's goo, put them back in the car
and all's well per above.
To digress somewhat.....in my time I've imported loads of stuff from the Far
East, wherever that is, and have found moisture to be a big issue from time
to time. The shipping containers (20 ft and 40 ft) seem to absorb damp in
the tropics and then force the moisture into everything when the ship goes
through the hot/dry areas. Top deck cargo is particularly vulnerable. I've
had stuff arrive in 40 ft containers where the double corrugated cardboard
boxes had collapsed into a ghastly heap from this process....all of which is
a long winded way of saying: "look inside the unit for damp and clean it
up!"
It seems silly to refer to testing the relay and stop there, particularly in
light of recent correspondence. So:-
"Operation of the relay coil can be checked by applying 12 volts to
terminals W1 & W2. If the coil operates, there should be solid continuity
between terminals C1 & C2. The relay itself can be opened by removing its
cover. The contacts can be carefully cleaned. Or the relay itself may be
defective & not repairable". (This latter paragraph is not my own
originally, but I can't recall its author to whom I mean no disrespect in
quoting him without attribution).
Simon.
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