Pontiac tempest 1968 Service Manual page 78

A U T O M A T I C TEMPERATURE CONTROL
1B-5
Fig. 1B-7 Tool J - 2 2 6 6 7 Installed
normal conditions. Replace gears if broken or
inoperative.
MOTOR REPLACEMENT
1. Follow procedure for program wheel removal
and gear inspection.
PROGRAMMER WHEEL
X - y , POTENTIOMETER CLIP
^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
ALIGNMENT M A R K S
FOR REASSEMBLY
Fig. 1B-9 Marking Programmer Wheel
2 . Remove motor by moving it back and up from
its normal position.
3. Unsolder orange lead to old motor from circuit
board and solder orange lead from new motor to
same point. Replace green motor wire in same
manner. Be sure to use resin core solder.
4. Install new motor making certain that worm
gear is properly seated in its bearing block and
properly meshed with helical spur gear.
5. Reassemble unit by reversing disassembly pro­
cedure. When reinstalling program wheel, follow
special instructions provided.
PROGRAM WHEEL INSTALLATION PROCEDURE
G R A Y ( 6 8 M O D E L 2 G R A Y )
J FINGER B L O C K
O R A N G E
RED
(68 M O D E L 2 R E D )
— ^ G R E E N
- B R O W N
1. Position vacuum valve approximately in center
of its travel.
A L I G N PEG O p V A C U U M
V A L V E WITH MOLE
IN WHEEL
— f a n
Fig. 1B-8 Programmer Amplifier
Fig. I B - 1 0 Aligning Programmer Wheel