Transmission appearance may differ, procedure is the same.
17
Front Section
Mainshaft Assembly
How to Install the Mainshaft Assembly
Special Instructions
The lower countershaft bearings and the input shaft
must be installed.
Check to make sure the lower countershaft drive gear
marked tooth is in time with main drive gear set of
marked teeth.
Apply Eaton Lubricant #71215 or equivalent to the
mainshaft pilot bushing, cover the entire surface.
Special Tools
Typical service tools needed
A large hook or 3' piece of rope
To Install
1.
Block the upper countershaft forward and as close
to the case wall as possible.
2.
With reverse gear forward against the next speed
gear, lower the mainshaft assembly while pulling
the shaft rear through the case bore.
3.
After the mainshaft drops into the case, slide the
countershaft back and the mainshaft should fall
down between the countershafts.
4.
Move the mainshaft pilot-end into the input shaft
pilot bushing. Mesh the mainshaft gears with the
corresponding countershaft assembly gears.
5.
Position the upper reverse idler gear in place, then
roll the gear to the outside.
6.
Mesh the reverse gear teeth with the reverse idler
gear teeth and move the reverse gear to the rear
as far as possible.
7.
Align the reverse gear spacer external splines with
the reverse gear and move the spacer into the
reverse gear.
8.
Install the reverse gear hub snap ring. Move the
reverse gear forward on the mainshaft and into the
proper case position.
1
2
3
4
5
6
B/16-7
B/16-6
B/26-5
B/14-6
7
8
