Pontiac tempest 1968 Service Manual page 459

7E-24
1968 P O N T I A C SERVICE MANUAL
INSTALLER
S P E E D O M E T E R
- DRIVE G E A R
H E * !
Fig. 7E-56 Installing Speedometer Drive G e a r
It is necessary to disassemble governor assembly
in order to replace driven gear. Disassembly may
also be necessary due to foreign material causing
improper operation. In such cases, proceed as
follows:
DISASSEMBLY OF GOVERNOR
lo Cut off one end of each governor weight pin and
remove pins, governor thrust cap, governor weights
REAR
I N T E R N A L
G E A R
M A I N S H A F T
-—r. - . « ™ - j -ryr - — " " j
INTERNAL GEAR
SNAP RING
MAIN SHAFT
Fig. 7 E - 5 7 Removing Rear Internal G e a r and Mainshaft
Fig. 7 E - 5 8 Removing Rear Internal G e a r to
Mainshaft Snap Ring
and springs. Governor weights are interchangeable
from side to side and need not be identified (Fig.
7E-59).
2. Remove governor valve from governor sleeve.
Be careful not to damage valve.
3. Perform the following inspections and replace
governor driven gear, if necessary.
INSPECTION OF GOVERNOR
1. Wash all parts in cleaning solvent, air dry and
blow out all passages.
2. Inspect governor sleeve for nicks, burrs, scor­
ing or galling,
3. Check governor sleeve for free operation in
bore of transmission case.
4. Inspect governor valve for nicks, burrs, scor­
ing or galling.
5. Check governor valve for free operation in bore
of governor sleeve.
6. Inspect governor driven gear for nicks, burrs
or damage.
7. Check governor driven gear for looseness on
governor sleeve.