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MANUAL TRANSMISSION - NV4500
MANUAL TRANSMISSION - NV4500 (Continued)
MAINSHAFT
NOTE: Gear and synchro components can be
installed backwards. Paint or scribe gear and syn-
chro components for installation reference. Then
stack geartrain parts in order of removal.
(1) Remove drive gear thrust bearing from end of
mainshaft, if not previously removed.
(2) Place 3-4 gear in a press with support under
3rd gear and Remove 3-4 synchro hub, third gear
stop ring and third gear as an assembly (Fig. 43).
Fig. 43 THIRD GEAR, STOP RING, AND 3-4 HUB
1 - THIRD GEAR
2 - THIRD GEAR STOP RING
3 - 3-4 SYNCHRO HUB
(3) Remove third gear bearing from mainshaft
(Fig. 44).
(4) Remove third gear bearing spacer (Fig. 45).
(5) Remove second gear thrust washer snap ring
from mainshaft (Fig. 45).
Fig. 44 THIRD GEAR BEARING
1 - THIRD GEAR NEEDLE BEARING
Fig. 45 SNAP RING AND THIRD GEAR BEARING
SPACER
1 - SECOND GEAR THRUST WASHER
2 - THRUST WASHER SNAP RING
3 - THIRD GEAR BEARING SPACER
DR