ELECTRICAL
ACCESS 123...System
186
M4.3-1055-054
04 Rev. 10/09
3. Connect the hydraulic pressure gauge to the quick
disconnect port located on the steering priority
valve which is attached to the end of the hydraulic
pump. Refer to Figure 22581 below.
4. After connecting the gauge, press the enter arrow.
The following message will be displayed:
Maintain tilt command
5. Push and hold either tilt arrow. The following mes-
sage will be displayed:
Monitor gauge pressure
6. Note the pressure reading (you'll need to enter this
value later). After a few seconds the following mes-
sage will be displayed:
Stop tilt command
7. Stop tilt command. The following message will be
displayed:
Press enter to record pressure
8. Press the enter arrow. The current pressure value
of the ACCESS 123 program will be displayed.
XXXX psi
9. Press the up/down arrow to adjust value to the re-
corded pressure in step 6. Pressing the up/down
arrow adjusts the value in 25 psi increments. When
finished, press the enter arrow to continue.
The system will perform the same calibration twice.
The first time high hydraulic pressure will be regis-
tered in the hydraulic gauge, and the second time
low pressure will be registered. Both pressures
must be entered. After entering the pressure for
the second time, the display will briefly show:
Calibration Accepted
The display will ask:
Save? N
10. Press the up/down arrow to toggle to "Y" then
press the enter arrow to save calibration.
11. Press the left arrow to return to C2 Hydraulics
menu.
12. Press the up/down arrow to navigate to C3 System
menu.
13. Remove the hydraulic gauge from quick discon-
nect port.
C3 System; these calibrations allow the truck to learn
the parameters of the optional load sensor (PT1), steer
potentiometer (POT4), brake pedal sensor (RPS1),
and adjust battery voltage.
1. Press the right arrow to continue.
C3.1 Load Sense; this calibration allows the truck to
learn the parameters of optional load sensor (PT1).
1. Press the right arrow. The display will ask:
Sure? N
2. Press the up/down arrow to toggle to "Y" then
press the enter arrow to continue. The display
message will change to:
Empty forks at 12", then Enter
3. Remove the load (if necessary) and raise/lower
forks so they are approximately 12 inches from
floor (you need not measure the height). If you low-
ered the forks to obtain 12 inches of lift height, the
message will change to:
Raise 6" then stop
4. Raise forks approximately 6 inches then stop. The
message will change to:
Stop raise command
Figure 22581
1 Quick Disconnect Port
Crown 2007 PF15628-54 Rev. 10/09
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