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Case 921C - Transmission Clutch Calibration

Case 921C
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MAINTENANCE/ADJUSTMENT
194
LEFT PAGE
Bur 6-34090EUR
TRANSMISSION CLUTCH CALIBRATION
Transmission clutch calibration
ensures optimum shifting of the
transmission. Make sure of the
following before proceeding with
transmission clutch calibration.
A. The parking brake has been
tested.
B. The transmission oil is warm.
C. The engine idle speed is correct.
D. The transmission is in neutral.
E. The parking brake is applied.
Do the following procedure to calibrate
the transmission clutches:
1. Put the transmission in the
machine shift mode and the gear
selector in 3rd gear neutral.
2. Press the program switch.
3. Press the up-count switch until the
display reads 011.
4. Return the program switch to the
center position.
5. Press the up-count switch twice so
the display reads 02.
At this time, 2 00 00 will begin flashing
in the display center.
After one second, the Clutch
Calibration Main Code status will be
displayed in the 3rd and 4th spaces
(2 XX 00 - the XX represents the 3rd
and 4th spaces).
The Modulation Cycle Number will
be displayed in the 1st and 2nd
spaces (2 00 XX - the XX represents
the 1st and 2nd spaces).
During Clutch Calibration, the Clutch
Calibration Main Code will change
from 01 to 07 as the process is
completed. The code 07 will indicate
that the process is complete and the
Information Center will return to
normal working status.
If any of the Clutch Calibration
parameters are incorrect, the display
center will stop flashing and display
the Clutch Calibration Main Code in
the 1st, 2nd, 3rd, and 4th spaces.
In the event, the code in the 3rd and
4th spaces will be 09 to 14 and will
indicate the process that the calibration
was in when it was aborted.
The 1st and 2nd spaces will produce
the Clutch Calibration Sub-Code, which
is the code that will inform the operator
of the reason process was aborted.
6. After completing the clutch
calibration procedure, turn the
engine off for 15 seconds to set the
calibration in the controller.
NOTE: See Clutch Calibration Main
Code and Clutch Calibration Sub-Code
on the following page.
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