face of case and slot lined up to
(z) Place spacer (22) on cylinder shaft.
permit installation of shaft lock (25).
(g) Install shaft lock (25) in position in
Be sure holes in shaft and fork line up.
slot in end of shaft and secure with
Install setscrew into fork and tighten
capscrew (26) and lockwasher.
(h) Install mainshaft assembly (44) in
(aa) Place shift rod adapter gasket (23)
transmission case by tilting rear end
and adapter (24) over shaft and insert
of assembly down and lowering into
in housing, with oil drain hole in
and through opening in rear of case
adapter down. Use screws (26) and
which is provided for mainshaft rear
bearing, lower front end in line with
pilot bearing opening and move
Use permatex or sealing lead on
mainshaft assembly forward into
threads of screws.
(bb) Place control cover gasket (4) and
(i) Install main drive gear and bearing
control cover (3) on housing. Use
assembly (5) into opening in front of
case so that main drive gear engages
secure in place.
and meshes with countershaft gear.
(j) Install main drive gear bearing cap
(a) Install countershaft front bearing (63).
(1) and gasket (2).
Be sure to apply pressure on outer
race of bearing only.
Be sure oil return hole in cap is lined
(b) Place countershaft front bea ing
up with oil return hole in case. This
spacer (64) in position on forward end
passage must be open and clean.
of countershaft (71).
(k) Install main drive bearing capscrews
(c) Tip rear end of countershaft down
and lower into case, running rear of
(1) Install countershaft rear bearing
countershaft through countershaft
bearing opening in rear of case far
(m) Install countershaft rear bearing
enough so that front of countershaft
retainer nut (79), and tighten.
may be lowered into position.
(n) Assemble inboard half of mainshaft
(d) Install countershaft rear bearing (77).
rear bearing (40) over end of
Be sure that snap ring is in position in
mainshaft. Use suitable driver.
groove of the outer race of
countershaft rear bearing and press
this bearing into position on shaft with
Permatex shim on both sides.
snap ring toward rear.
(o) Place drop gear housing shim (41), D,
(21) separated by spacer (20) into
(p) Assemble mainshaft rear bearing cap
hub of reverse idler gear (22) and
(35) on case (72) using capscrews
lower into position in case. The gear
with chamfered teeth should be
(q) Remainder of re-assembly is done
toward rear of case.
(f) Insert reverse idler shaft (24) through
reassembled into case.
hole in rear of case. Place two thrust
1. Drive rear bearing cap (35) into
washers (18) and (23) one at each
mainshaft (44) until it is flush
end, with copper face toward the
gear. Line up locating notches, then
put shaft through reverse gear (22)
and into forward support boss. Shaft
should be 268 driven in until forward
face of slot in shaft is flush with rear