Chevrolet 1977 10 Series, Руководство по ремонту, Страница: 435 / 468

MANUAL TRANSMISSION
7B-55
Fig. 7 B -8 R ~ R e m o vin g Id le r G ear S h a ft
Inspection
-C arefully inspect all bearings and rollers
for evidence of chipping, cracks, or worn spots that would
render bearing unfit for further service. Bearings are non-
adjustable and if worn or dlamaged, must be replaced with
new parts.
Inspect shaft splines and gears. If any indication of
failure, such as chipped teeth or excessive wear, is indicated,
those parts should be replaced with new parts.
ASSEMBLY OF TRANSFER CASE (FIG. 7B-9R)
Idler Gear
1. Press the two bearing cups in the idler gear (if
previously removed) using Tool J-9276-2 and Handle J-8092
(Fig. 7B-10R).
2. Assemble the two bearing cones, spacer, shims and
idler gear on dum m y shaft J-23429 with bore up. Check end
play (Fig. 7B-11R). Limits are .001 to .002 inch.
3. Install idler gear assembly with dum m y shaft into case
through front output bore, large end first (Fig. 7B-12R).
4. Install idler shaft from large bore side and drive
through using a soft ham m er (Fig. 7B-13R).
5. Install w asher and new locknut. Check for end play
and free rotation. Torque nut to 150 ft. lbs.
6. Install idler shaft cover and gasket. Torque bolts to
20 ft. lbs.
NOTE:
Flat on cover m ust be located adjacent to front
output shaft rear cover (Fig. 7B-14R).
Shift Rail and Fork Assemblies
1. Press the two rail seals into the caSe. Seals should be
installed with m etal lip outward.
2. Install interlock pins through large bore or P.T.O.
opening.
3. Start front output drive shift rail into case from back,
slotted end first, with poppet notches up.
4. Install shift fork (long end inward) into rail, push rail
through to neutral position.
5. Install input shaft bearing and shaft into case.
6. Start range rail into case from front, with poppet
notches up.
7. Install sliding clutch onto fork, place over input shaft
in case. Position to receive range rail and push rail through
to neutral position.
8. Install new lock pins through holes at top of case and
drive them into the forks (Fig. 7B-15R).
NOTE:
Tip case on P.T.O. opening when installing
range rail lock pin.