WORKHORSE CUSTOM CHASSIS
Service Manual
Automatic Transmission – Allison
2007 W Series
© 2006 Workhorse Custom Chassis — All Rights Reserved
SECTION
7.2
PAGE
529
2007 W Series Chassis
WSM082106
between the 2 long screws, rotate the shift shaft
adapter clockwise. Do not force the selector shaft
when it reaches the end of its travel. This could
damage the transmission. The transmission is now
in PARK.
B.
Next, slowly and carefully rotate the selector shaft
back counterclockwise 2 detents. The transmission
is now in NEUTRAL.
IMPORTANT:
When moving the selector shaft in the counterclock-
When moving the selector shaft in the counterclock-
wise direction from PARK, the tendency is to move it
wise direction from PARK, the tendency is to move it
too fast. This may result in moving past the NEUTRAL
too fast. This may result in moving past the NEUTRAL
(the 2 detents) position. The transmission MUST be in
(the 2 detents) position. The transmission MUST be in
NEUTRAL for proper calibration
NEUTRAL for proper calibration
22. Remove the shift shaft adapter from the actuator.
23. Place a #10-32 screw partially into 1 of the 4 holes in
the lost motion wheel. Grasp the head of the socket
head cap screw with a pair of pliers and pull the lost
motion wheel outward to place the actuator into the
“calibration” position.
24. While in calibration position press “R” then “N” on the
Push Button Shift Selector.
25. Replace the shift shaft adapter and the 4 - #10-32 x 1”
long S.H.C.S. that were removed in step 20.
26. Place your thumb over the center of the shift shaft
adapter. Press the shift shaft adapter inward while
tightening all 4 screws that secure the shift shaft
adapter to 20 lb in.
27. IMPORTANT – Replace the cap nut and tighten to 18
lb in. Holding the cap nut with a wrench, tighten the
socket head cap screw that goes through the center of
the cap nut to 5 lb ft.
28. Replace the cover plate with the 3 cover plate screws.
Torque to 5 lb ft.
At this point the actuator assembly is calibrated to the
transmission.
