Spegru SE6a

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Post by spegru » Thu Apr 04, 2019 2:05 pm

After procuring about 8 different belts I can now confirm that the PAS belt, going onto the larger of the crankshaft pulleys needs to be 1107mm.
Unfortunately there is almost no adjustment so it needs to be pretty exact and required a screwdriver to lever it on
Works better at low engine speeds / manoeuvring than the small of the crank pulleys



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Post by spegru » Sun Apr 28, 2019 9:40 pm

Unfortunately I had a bit of an electrical problem today. Alot of smoke came out of the wires due to a short somewhere behind the dash - So it's all had to be stripped out.
These old Lucas wiring systems are messy to say the least but will be fixed shortly.

However While I am in here I wonder about taking out the heater box for a bit of a refurb since not alot of heat has been evident so far.
Is removing the heat box straight forward now the instrument panels are out?



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Post by JoeySully » Mon Apr 29, 2019 4:42 pm

spegru wrote:
Sun Apr 28, 2019 9:40 pm
Is removing the heat box straight forward now the instrument panels are out?
Yes

http://www.scimitarweb.co.uk/sgwrs/view ... er#p308149



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Post by spegru » Mon Apr 29, 2019 11:33 pm

Thanks for that, Good to know I did it right! (earlier this eve before seeing this)
And now to tidy the wiring and smarten up the heat box itself. Not sure if the heater rad is any good or not - I can blow though it so it's not actually blocked, but is that enough?

Another thing id still like to know is how to remove the dash top. I can see some bolts under the windscreen but cant find where the nut on the other side is



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Post by scimjim » Tue Apr 30, 2019 8:10 am

IIRC the dash is bolted into captive nuts in the bulkhead on a 6.


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SECURE DRY STORAGE FOR YOUR SCIMITAR

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Post by spegru » Tue Apr 30, 2019 9:50 am

Thankyou Scimjim. While it's as apart as it is right now I might take it right out and re-cover the top.

I'm also mulling whether the heater box might accept an aircon heat exchanger. Project Binky Ep 17 https://www.youtube.com/watch?v=M7aZzkqLtFM did alot of this



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Post by spegru » Tue Apr 30, 2019 9:42 pm

Yep the dash top is out. Which means I can tidy my additional wiring quite a bit.
Not that was what responsible for my electrical issue. Nooo that was caused by the wire for the ignition switch light which shorted on the underside of the column when I reattached the shroud. I can now recycle 3foot of naked copper wire! I shan't be refitting that. I'm also very glad that I thought to fit a battery isolator switch or the damage could have been even worse!



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Post by scimjim » Tue Apr 30, 2019 9:49 pm

You’ll need a jar of smoke too :D
54813404-DA43-4777-A5FD-1E2365AC0B6D.jpeg
54813404-DA43-4777-A5FD-1E2365AC0B6D.jpeg (47.06 KiB) Viewed 1011 times


Jim King

SECURE DRY STORAGE FOR YOUR SCIMITAR

Current: SE5 (8Ball), TI SS1 (snotty), 1600 SS1 (G97), 1600 SS1 (C686CCR), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
Previous: SE5, 3 x SE5a, 2 x SE6a, 3 x SE6b, GTC, 2.9i GTC, 3 x 1600 SS1, 1300 SS1, Mk1 Ti Sabre, Mk1.5 CVH Sabre
Chief mechanic for: 1400 K series SS1 (Megan3), 1400 CVH EFi SS1 (Grawpy), 1300 SS1 (Number One) & Sarah's coupe.
CURE THE FAULT - NOT THE SYMPTOMS

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Post by spegru » Tue Apr 30, 2019 9:50 pm

While I'm' in here Ive taken the heater box out. I could see some rusty bits of vent outlet in the footwell which had been annoying me so I thought i'd give it all a bit of a clean up and a lick of paint.
Nasty: the whole thing is full of rust flakes, rusty dust and scabby bits. So quite while was spent with a an angle grinder powered wire brush. There hasn't been such a rust fug in the garage since I was sorting out the chassis!

While inside the heater box I wondered about fitting an aircon condenser in there.
But while out walking the dog a bit of an inspiration struck me. Should I eve get around to aircon it may be simpler to fit separate cooler box(es) inside the wings - before the air pipes even reach the heater box. There is plenty of room I think!



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Post by spegru » Tue Apr 30, 2019 9:51 pm

If only I'd thought to catch some of that smoke - but it's all blown away!



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Post by spegru » Wed May 01, 2019 12:06 pm

Thinking about it some more and wondering why no fuses blew. I think that what happened was that the *earth* wire for the ignition switch light shorted onto the main ignition switch feed from the battery when I reaffixed the column cowl. So the circuit went straight to the large earth point near the gear lever. Bad luck but also a bit of poor design that will not be going back
Annoying but at least it prompted me to tidy up the heater



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Post by spegru » Wed May 01, 2019 5:01 pm

A bit more forensics regarding my wiring issue.
Since the earth wire from the ignition switch light is burnt all the way to the bulb holder, I now strongly suspect that it was the bulb holder itself that made contact with the main ignition switch 12V feed from the battery. Of course thoutside of that holder is directly connected to earth and is not insulated.
Not sure whether to take back my previous comment about poor design but it's certainly a risk to have a loose earth wire connection inside the cowling!
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Post by scimjim » Wed May 01, 2019 5:05 pm

Does that metal casing not fit inside a plastic outer, with the coloured lens on the end?


Jim King

SECURE DRY STORAGE FOR YOUR SCIMITAR

Current: SE5 (8Ball), TI SS1 (snotty), 1600 SS1 (G97), 1600 SS1 (C686CCR), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
Previous: SE5, 3 x SE5a, 2 x SE6a, 3 x SE6b, GTC, 2.9i GTC, 3 x 1600 SS1, 1300 SS1, Mk1 Ti Sabre, Mk1.5 CVH Sabre
Chief mechanic for: 1400 K series SS1 (Megan3), 1400 CVH EFi SS1 (Grawpy), 1300 SS1 (Number One) & Sarah's coupe.
CURE THE FAULT - NOT THE SYMPTOMS

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Post by spegru » Wed May 01, 2019 9:20 pm

No it's just like this. I think it's supposed to plug into part of the cowling, but it wasn't



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Post by scimjim » Wed May 01, 2019 9:48 pm

What I mean is - it should be fitted into a plastic outer with a green lens on the end - which is then pushed into the cowl :D


Jim King

SECURE DRY STORAGE FOR YOUR SCIMITAR

Current: SE5 (8Ball), TI SS1 (snotty), 1600 SS1 (G97), 1600 SS1 (C686CCR), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
Previous: SE5, 3 x SE5a, 2 x SE6a, 3 x SE6b, GTC, 2.9i GTC, 3 x 1600 SS1, 1300 SS1, Mk1 Ti Sabre, Mk1.5 CVH Sabre
Chief mechanic for: 1400 K series SS1 (Megan3), 1400 CVH EFi SS1 (Grawpy), 1300 SS1 (Number One) & Sarah's coupe.
CURE THE FAULT - NOT THE SYMPTOMS

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