Dodge RAM TRUCK 1500 1995 Service Manual page 1369

21 - 86 NV4500 MANUAL TRANSMISSION
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(40) Install synchro stop ring on third gear (Fig.
133). Be sure stop ring is fully seated on gear taper.
SYNCHRO THIRD
Fig. 133 Third Gear Stop Ring tnstaiiation
(41) If 3-4 synchro was disassembled for service,
reassemble synchro components as follows:
(a) Align and Install synchro sleeve on hub (Fig.
134). Front side of h u b has a narrow groove
machined in it.
(b) Insert all three synchro struts in slots ma­
chined in sleeve and hub (Fig. 134).
(c) Install and seat synchro springs (Fig. 134).
Use flat blade or philips screwdriver to compress
springs and seat them in struts and hub as shown.
(42) Remove mainshaft and geartrain from gear
STRUT (3) SPRING (3) 3-4 3-4
SLEEVE HUB
J9221-228
Fig. 134 Synchro Assembly (3-4)
case or from workbench.
(43) Start 3-4 synchro assembly on mainshaft. Tap
assembly onto shaft splines until hub Is about 3 mm
(1/8 In.) away from third speed stop ring. Then align
stop ring with synchro sleeve and hub and seat syn­
chro assembly with Tool C-4040 (Fig. 135).
(44) Verify that 3-4 synchro hub is fully seated on
shaft. Approximately 3 mm (1/8 in.) of shaft spline
should be visible. If hub is not seated, stop ring lugs
are misaligned. Rotate ring until lugs are fully en­
gaged in 3-4 hub slots.
(45) Install fourth speed stop ring in 3-4 synchro
sleeve (Fig. 136).
Fig. 135 Seating 3-4 Synchro Assembly On
Mainshaft
Fig. 136 Fourth Speed Stop Ring Installation
(46) Install fourth speed clutch gear in stop ring
(Fig. 137).
Fig. 137 Fourth Speed Clutch Gear Installation
MAINSHAFT AND GEARTRAIN INSTALLATION
(1) Position gear case so case opening is facing up
(Fig. 138).
(2) Grip mainshaft at pilot bearing hub and just
behind rear bearing. Then lift assembly and guide
rear of shaft through bearing bore at rear of case.
(3) Continue holding front of shaft but switch grip
at rear to shaft output splines. Lift mainshaft assem­
bly slightly, align gears and seat assembly in case. Be
sure fourth speed clutch gear and stop ring were not
displaced during installation (Fig. 138).