Pontiac tempest 1968 Service Manual page 79

1B-6
1968 P O N T I A C SERVICE M A N U A L
2. Install program wheel so that peg on vacuum
valve is visible through alignment hole i n program
wheel (Fig, 1B-10). I t may be necessary to move
the vacuum valve slightly to accomplish this.
3. Install potentiometer clip and rotate so that
scribe marks (made previously) on program wheel
and clip line up. Tighten retaining screw on p r o ­
gram wheel hub,
4 . Slip the round circuit board off of wheel and
check to be certain that four ball bearings are s t i l l
in their proper positions i n bearing retainer cups.
Replace board and reinstall finger block with two
screws.
BI LEVEL BOOST SWITCH REPLACEMENT
1. Remove cover plate on bottom of heater core
and case.
2. Remove wire connector.
3. Remove retaining screws, then switch.
4. Replace by reversing removal procedures.