Valve Body And Magnet Assy. - Pontiac Grand Prix Service Manual

15-8 1969
PONTUC SERVICE MANUAL
1. Remove screws and cover. To replace air filter in
cover, push filter out from under filter plate (Fig. IS
5).
2. Remove two screws securing bearing support, rotate
support 180" and slide out (Fig. 15-7).
NOTE: Do not tamper with screw on bearing support.
This screw positions the governor spring and is pre-set at
the factory.
3. Remove governor spring.
4. Spread governor weights in an up and down
position and pry up on actuator coupling with a
screwdriver until pin is disengaged from magnet
assembly and can be rotated clockwise (Fig. 15-7).
Rotate actuator cup 180" and hook the actuator
&upling over the top of regulator housing (Fig. 15-8).
Fig. 15-9 Valve Body and Magnet Assy.
-
Removal
ATTACHING SCREWS
5. Slide the governor assembly away from the
speedometer drive adapter end until the shaft is free of
bearing. This will allow the governor assembly to be
removed from the regulator. For further disassembly
of governor, see Fig. 15-4.
6. Remove four screws (2 internal, 2 external) holding
the valve body and magnet assembly. Remove valve
body and magnet assembly from the regulator hous-
ing. (Fig. 15-9).
7. Remove driven gear from regulator by pressing
retaining pin out of regulator body.
REGULATOR
-
REASSEMBLE
2. Insert valve body and magnet assembly into the
,
.
regulator housing and install four screws.
NOTE: Make sure the rubber gasket on the boitom of
the valve body and magnet assembly liesflat against the
regulator housing. Under no circumstances should this
gasket be glued to the valve body and lhagnet assembly.
3. With weights in an u p and down position, insert the
long end of the governor shaft through the bearing
support mounting hole keeping the actuator coupling
hooked over the regulator housing. Insert the shaft far
enough to allow the short end of the governor to be
inserted into its bearing. Slide the governor assembly
into the bearing until it bottoms.
4. Move the actuator cup down the shaft until it
1. Install driven gear and retaining pin in housing.
bottoms and rotate 180". Using a screwdriver, pry the
actuator coupling up and rotate the magnet counter-
clockwise until the pin engages the actuator coupling
hole.
5. Install governor spring over governor shaft with
closed end of spring toward the actuator cup.
6. Install bearing support in regulator. Rotate 180" and
secure with two (2) screws.
7. Secure cover with six (6) screws.
NOTE: When the valve body and magnet assembly or
the governor assembly is replaced, the low speed switch
r n w
be adjwted. With the actuator cup held in the
lowest speed position (governor weights in) turn point
adjusting sckw until the gap between the switch points is
.025** (Fig. 15-6).
Refer to Section 9 of this manual for service of the
Fig. 158 Governor Assembly
-
Removal engagement switch.