Mechanical Reverse Shuttle, Description - Valtra 6000 Workshop Manual

44. Quick ---shift gear, reverse shuttle
and 4WD clutch
Mechanical reverse shuttle, de-
scription
The reverse shuttle housing is attached to the gearbox front
end. The reverse shuttle is controlled mechanically with a
lever. In the reverse shuttle there is fitted a synchromesh unit.
When changing driving direction, the tractor must be station-
ary and the clutch pedal must be pressed.
The selector fork rail rear end is led into the gearbox through
the gearbox front wall. The reverse shuttle lever lower end has
been connected to the shifter lever, which turns the selector
lever and the selector fork on the synchromesh unit moves.
The reverse shuttle has pressure lubrication (see figures on
pages 440/10 and 440/16).
Model
15. 5. 1993
1. 11. 1998
3
Figure 4. Power transmission
1. Reverse shuttle
2. Reverse shuttle lever
3. 4WD output shaft
In the reverse shuttle housing lower part there is the 4WD
clutch and 4WD output shaft. On E ---models, there are two
speed sensors on the reverse shuttle front end.
Important!
The picture above shows a transmission which has a 2---step
quick ---shift gear. If the tractor has a 3 ---step quick ---shift gear
(Delta Powershift), the reverse shuttle housing has a little dif-
ferent casting and additionally the input shaft length is differ-
ent (see picture on page 440/19). In addition, in the reverse
shuttle housing there is no impulse disc for E ---models. The
4WD clutch and the 4WD output shaft have been reinforced
in connection with the Delta Powershift (see picture on page
440/21). Also the selector fork rail has been reinforced. Other-
wise the reverse shuttle is the same as earlier.
747
Code Page
440
6000-- 8750
2
1
17