ENGINE DIVISION SERVICE MANUAL
Remove trigger wheel assembly and mechanical
advance components from distributor shaft. (See
Mechanical Advance System Service).
Support distributor shaft and drive roll pin from
tachometer drive gear using punch and hammer
Fig. 39 Removing Tachometer Drive Gear Pin
2. Tachometer drive gear
3. Roll pin
Remove tachometer drive gear from distributor shaft.
Remove bearing from distributor shaft as follows:
Position bearing puller attachment SE-1336-
16 (Owatonna No. 950 or equivalent) under
bearing (Figure 40).
Avoid distorting advance weight plate when
installing bearing puller.
Support bearing puller in press bed and press
shaft from bearing.
Fig. 40 Removing Tachometer Drive Bearing
Using SE-1336-16 Bearing Puller
1. Distributor shaft
3. Press ram
Install new bearing as follows:
Using a piece of pipe 12.7 mm (1/2 inch) I.D.
x 60 mm (2¼ inches) long as a support base
(Figure 41), position distributor shaft in press.
Place bearing on distributor shaft with sealed
side toward advance weight plate.
Using a piece of pipe 12.7 mm (½ inch) I.D.
of suitable length as a driver tool, press
bearing onto shaft to a dimension of 14.3 mm
(9/16 inch) from bottom of advance weight
plate to bottom of bearing (Figure 41).
CGES-145-U Page 18
PRINTED IN UNITED STATES OF AMERICA