Porsche 928 - WORKSHOP MANUAL 1977 Workshop Manual page 374

Air <..s~Ib!ili~t:lcr
928
S,tLcl8siid V;iIvec
SF-+.
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c- .y?,Tp=
1 b, .' "
A -
8 -
c -
D -
E -
F -
I'cv3twell flap (yellow)
Defroster tlap (green)
Center nozzle stage I (orange)
Center nozzle stage II (brown)
Mixing flap and heating valve (red)
Fresh air bypass flap (blue)
Removing and lnstallillg Control
Switch
1. Pry out center vent with a putty knife.
2. Pull off cover frame starting at top.
T-T
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-2
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1 ..I -';
1
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I
8'
~ +-'/-y ,: '
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3. Loosen 'Ul~l rl~n,n"e c""tlo, ,b"Jxl (wires can
remain wnnected).
4. Loosen and pull out control switch. Pull off
plugs.
Removing and Installing Control
Unit
1. Pull off both plugs.
2. Unscrew front and rear mounting bolts. Pull
out control unit downward and disconnect
operating rod at bottom.
a
87 - 44
Regulators and Control Unit of Automatic Air Conditioner
Printed in Germany