(f) Mainshaft rear bearing cap ass mbly (D,
e
8. Remove 4th and 5th shift rail (3).
1. Remove bearing retainer snap ring
Caution
(38) from bearing cap (35).
Be sure to hold hand over poppet hole
2. Place bearing cap (35) in arbor press,
in rail support to prevent loss of
resting on -flange of bearing cap.
poppet balls and spring as rail is
removed.
3. Using driver resting on inner race of
Note
bearing, press out of bearing cap
(35).
Caution should be used not to lose cross-over
pin (24).
4. Drive out oil seal (31) using a punch.
(If removed, it must be replaced.) (4)
Disassembly of drop gear unit (C, fig.
9. Remove 4th and 5th shift fork (35)
and spacer (6).
(a) Remove high control cover
10. Remove 2d and 3d shift rail (40)
screws (1) and lockwashers (2).
using same procedure as was
followed in 7 above.
(b) Remove high low control cover
(3) and gasket (4).
11. Remove 2d and 3d shift fork (1) and
lug (44) and spacer (2).
(c) Remove high low shift fork
lockwire and lockscrew (18).
12. Remove two poppet balls (4, 45) and
spring (5, 46) as well as four interlock
(d) Remove shift rod adapter screws
balls (22, 23, 38, 39). (There are six
(26) and lockwasher (25).
balls and two springs).
(e) To remove shift rod adapter (24)
13. Remove reverse shift bar (10) from
tap lightly on adapter from inside
housing by driving on interior end of
housing.
rail with punch and hammer.
(f) Remove all shift cylinder housing
Note
mounting bolts.
Be sure to hold hand over poppet hole
(g) Remove air shift cylinder body
in reverse shift fork (19), to prevent
(14).
loss of ball (18) and spring (17).
(h) Remove high low shift fork (19)
and over shift spacer (22).
14. Remove reverse fork (19).
(i) Remove output shaft oil baffle
15. Remove pivot pin (16) and 1st and
screws (55) and lockwashers and
reverse rocker arm (14).
remove baffle (57).
(d) Main drive gear and bearing assembly (D,
(j) Remove output shaft front
bearing retainer nut (58).
1. Place gear (5) in vise using copper or
(k) Hold onto flange with a pipe
lead jaws so as not to damage teeth.
wrench.
Remove companion
2. Destake the nut, using a small chisel
flange nut and washer flange.
in the slot. Using suitable wrench,
(1) Remove rear bearing cover
remove jam nut retaining bearing on
screws (32) and lockwashers
gear.
(33).
3. Using suitable puller, or arbor press,
(m) Remove rear bearing cover (34)
remove bearing (4) from gear.
and gasket (37).
(e) Case and bell housing assembly (D, fig.
(n) Remove speedometer drive gear
(38).
lockwashers (13) and separate above
(o) Using brass or bronze bar drive
mentioned parts.
the output shaft (71) through rear
Note
bore. The low gear bushing (68),
It is recommended that this be done
lockpin (67), thrust washer (69),
only in the event replacement of either
part is required.
AGO 6819A
263
