Nobody said that they were overly complex. The observations by
correspondents was that they were hard to get at and that they don't
align properly. If yours do, you're a fortunate and blessed man.
On Mon, 21 Jul 1997 14:52:36 -0500 (CDT) todd@nutria.nrlssc.navy.mil
(Todd Mullins) writes:
>ROBERT G. HOWARD writes:
>
>> On Mon, 21 Jul 1997 12:28:58 -0500 (EST) RAY WYGONIK
>> <RWYGONIK@grove.iup.edu> writes:
>
>> Yes, the knob with the clicks is the heater/defroster etc.
>
>More accurately, it is the ventilation distribution knob. Three
>positions: Off, Interior, and Defrost. It controls the air flap at
>the
>bottom of the heater.
>
>> Neither of
>> my Bs has ever had the words align with the function, however,
>
>How could they not? The three studs on the faceplate and the three
>holes on the backing bracket are asymmetrically arranged, such that
>they
>can only be put together one way. Additionally, the mechanism has
>dimples that match holes in the backing bracket to ensure positive
>location. Although this is way too much detail to go into for the
>sake
>of a simple ventilation control, the design is almost foolproof, and I
>don't understand how they can be assembled incorrectly.
>
>> so
>> switching the cables may be as far as one can go before law of
>diminish
>> returns (and of shed blood) activates.
>
>(??)
>
>> >At the moment I have them switched. The arrows on the face plates
>do
>> >not jive
>> >with the direction the knobs turn, and I am not getting full
>movement
>> >on the
>> >valve that controls flow of the coolant to the heater box.
>
>Two different issues. Full movement of the temperature control could
>be
>a maladjustment or a defective cable, or perhaps a damaged mechanism,
>though that's unlikely as the units are pretty robust.
>
>The temperature control rotates clockwise from "Off" to "Hot", and the
>ventilation distribution control rotates counter-clockwise (with the
>aforementioned clicks) from "Off" (straight up) to "Interior"
>(straight
>left) to "Defrost" (straight down). If you have the faceplates
>mismatched, they're obviously not going to correlate.
>
>> The MGB heater controls cause one to admire the basic simplicity of
>the
>> TD heater. There was none when the cars left Abington.
>
>I have no problem with the MGB heater controls, and am surprised that
>someone else would find them overly complex. They're certainly
>simpler
>than the various vacuum-operated flaps on the Volvo...
>
>--
>
>Todd Mullins
>Todd.Mullins@nrlssc.navy.mil On the lovely Mississippi (USA)
>Coast
>
>'74 MGB Tourer with fully functional climate control
>
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