[Healeys] Setting SU HD Carburettors

[Oudesluys]

Nothing wrong with it. Perfectly logical, very well described. True 
British fashion.
Kees Oudesluijs
NL


Op 17-8-2012 18:49, Derek Job schreef:
> I just obtained a copy of the SU Workshop Manual.
>
> Flicking through the HD section I noticed the following
>
> 1. On single carb applications the idling speed is adjusted by using the
> slow running valve.
>
> 2. On Multi carb applications  there is the following statement.
>
> Item 1
> Note: *Whenever the throttle adjusting screws are fitted they, and not the
> slow running valves, must be used to adjust the idling speed*. Screw down
> the slow-running valves (which must remain closed) and set the throttle
> adjusting screws 1.5 turns open. In items 2 and 3 adjust the idling speed
> with the throttle adjusting screws.
>
> Item 2 says:
>
> a) restart the engine and turn the slow-running valve *OR* the throttle
> adjusting screw, an equal amount on each carburettor to give the desired
> idling speed.
>
> Item 3 says:
>
> a) Turn the jet adjusting screw an equal amount on all carburettors, up to
> weaken or down to enrich, until the fastest idling speed consistant with
> even running is obtained
>
> b) Re-adjust the slow running valves, if necessary.
>
> Does anyone else out there find this contradictary. Are the slow running
> valves to be used to adjust idling or not?
>
> Any thoughts?
>
> Derek
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-- 
Kees Oudesluijs
Dorpsstraat 183
2995XG Heerjansdam
T: 078-677 1233
E: coudesluijs at chello.nl

Technische commissie Jensen Healey en GT
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