Hudson 1948 - 1952, Service Manual

Page: 188 / 333

8 - 10 TRANSMISSION
FIGURE 22
REVERSE IDLER GEAR:
Recommended diametrical clearance between idler shaft
and bore of idler gear bushings is .001" to .0025". Replace
bushing if clearance is in excess of .005".
Start new bushing into gear bore, then pull bushing into
position with Bushing Replacer J-1572. Ream bushing to
.865" using Reamer KMO-338 with pilot, Figure 23.
FIGURE 23
SELECTOR AND SHIFT SHAFTS
Recommended clearance between selector shaft and
bushing is .001" to .0035", but clearance of twice this
amount if not accompanied by oil leakage is permissible.
If a new shift shaft seal is Installed, make sure that it does
not interfere with rotation of the shift shaft.
SPEEDOMETER GEAR HOUSING SEAL
If the seal is hard, cracked, or glazed or if signs of oil
leakage are apparent at disassembly, Install a new seal.
REASSEMBLY OF TRANSMISSION
SELECTOR AND SHIFT SHAFT LEVERS
1. Make sure the transmission case is thoroughly clean
inside and outside.
2. From inside the case, Install the shift selector shaft bush-
ing. Apply a few drops of oil on shaft, then insert the
shaft in the bushing. Install set screw.
3. Place out e r selector lever in position (pointing toward
left of case), Install plain washer, shakeproof washer and
nut and tighten securely.
4. Apply a few drops of oil to shift-shaft, then insert shaft in
case and lock in position with shift-shaft pin, Figure 15.
Install the rubber sealing washer, outer shift lever, plain
washer, shakeproof washer, and nut and tighten secure-
ly. If more than a slight drag is felt when rotating shaft,
check oil seal for interference.
5. Install shift shaft inner lever on the splined shift shaft with
the lever in straight up position.
REVERSE IDLER GEAR AND GEAR CLUSTER
Place reverse idler gear in position inside of case after
applying a few drops of oil to gear bushing. Insert one end
of idler shaft with countershaft lock plate into slot in shaft.
Sight through hole in lock plate and when same is centered
over hole for lock screw, start reverse idler shaft into hole in
case. Holding shaft in this position, bump shaft into case.
When shaft is well started, apply a coat of red lead or other
suitable sealer to exposed portion of shaft and drive shaft
into final position with a soft hammer.
Coat the two thin countershaft gear cluster thrust washers
with viscous grease, then Install these washers on the retain-
ing pins and Install in case with the bronze surface of washer