Hudson 1948 - 1952, Service Manual

Page: 227 / 333

OVERDRIVE 9 - 19
FIGURE 27
REASSEMBLY COMPLETE UNIT
(Single Lever Type)
1. Thoroughly clean both transmission and overdrive cases.
2. Install transmission mainshaft bearing and oil baffle (lip
to inside) on mainshaft and in overdrive adaptor.
3. Install bearing lock ring in adaptor.
4. Install new overdrive adaptor to transmission case gasket.
5. Install transmission mainshaft part way in transmission
case and Install low and reverse gear with shifter fork
groove toward front of shaft.
CAUTION: It is important that the f our oil holes be
lined up with the grooves in main-shaft.
NOTE: The transmission mainshaft and transmission
gears are a select fit. If it is ever necessary to replace a
transmission mainshaft or a complete overdrive assem-
bly, the fit between the involute splines of the mainshaft
and splines in the gears should be free from any binding.
In the event binding exists, it may be necessary to stone
the splines of the mainshaft to obtain proper clearance
.
6. Slide the intermediate gear on mainshaft with the tapered
side of the hub toward the front of the mainshaft.
7. Install synchronizer shift sleeve assembly and two bronze
synchronizer rings on the mainshaft with the tapered end
of the shift sleeve toward the front of the mainshaft.
8. Install synchronizer shift sleeve hub lock ring on end of
mainshaft using lock ring pliers.
9. Apply a coating of viscous grease td mainshaft pilot
bearing recess end of main drive gear. Insert the sixteen
individual rollers comprising the pilot bearing.
10. Engage front end of mainshaft in pocket of main drive
gear and press firmly in place.
NOTE: Do not hammer on end of mainshaft.
11. Place one bolt to hold adaptor to transmission case while
performing balance of assembly.
12. Install second and high shift rail lock ball and spring in
transmission case.
NOTE: Light spring for high and second shift rail. Heavy
spring for low and reverse shift rail.
13. Place second and high shift fork in position in synchro-
nizer shift sleeve groove and Install shift rail and set screw.
14. Install shift rail stop screw.
15. Install shift rail interlock.
16. Place low and reverse shifter in position behind shift shaft
inner lever.
17. Place low and reverse shift fork in position, Install shift
rail and shift fork and shifter set screw.
Install parts per "Installation of Parts To Rear of Adaptor."
Pages 13 and 14.
Reassemble and Install housing per "Reassembly of
Housing" and" Installation of Housing." Pages 13 and 15.
INSPECTION:
NOTE: For inspection procedure, see instructions on Page
12.