Jacobsen 67983 Maintenance Manual page 13

3.1.5 Maintenance Mode
Maintenance Mode is used by the superintendent to set
and adjust functional values for the mower. LCD displays
available in Maintenance Mode are, calibrate pedal, set
max mow speed, set travel speed, and set reverse
speed.
To enter Maintenance Mode, press black button (V) until
Traction Configuration screen is on the display. Press
and hold the black button until enter PIN screen is on
display. Use the joystick (H) to increase or decrease, and
the black button (J) to enter the digits for the Mechanic
Mode pin.
NOTE: The PIN for Superintendent Mode is 1234.
Operator must be on seat, parking brake switch
Engaged, mow switch OFF, and traction pedal in Neutral
to enter Maintenance Mode.
Calibrate Pedal: To calibrate the traction pedal, press
forward or backward on the joystick (H) until the calibrate
pedal screen is on the LCD display. With traction pedal in
Neutral, press the black button (J) to enter set mode.
NOTICE
Before accepting, and moving to the next screen, check
value listed on bottom of display. Maximum value that will
be accepted by the controller is 216, for both the forward
and reverse setting. If value is greater than 216, check
pedal for proper stop adjustment before continuing.
Press traction pedal all the way in the forward direction
and check value displayed. Adjust forward pedal stop (S)
until value displayed is between 200 and 205, and press
black button (J).
Press traction pedal all the way in the reverse direction
and check value displayed. Adjust reverse pedal stop (T)
until value displayed is between 200 and 205, and press
the black button (J). Pedal calibration is complete.
T
S
Figure 3E
Mow Speed: To set the maximum mow speed, press
forward or backward on the joystick (H) until the set max
mow speed screen is on the LCD display. Press the black
button (J) to enter set mode. Pull back on the joystick to
raise or push forward on joystick to lower the maximum
mow speed to the desired speed. press the black button
to set speed.
Maximum mow speed is adjustable between 3 and 8
MPH (4.8 and 12.8 kph), in 0.5 MPH (0.8 kph)
increments. Factory default is 8 MPH.
Travel Speed: To set the maximum mow speed, press
forward or backward on the joystick (H) until the set max
travel speed screen is on the LCD display. Press the
black button (J) to enter set mode. Pull back on the
joystick to raise or push forward on joystick to lower the
maximum mow speed to the desired speed. Press the
black button to set speed.
Maximum travel speed is adjustable between 3 and
12 MPH (4.8 and 19.3 kph), in 0.5 MPH (0.8 kph)
increments. Factory default is 12 MPH.
Cruise Control: To enable or disable cruise control
function, press forward or backward on the joystick (H)
until one of the Cruise Control screens is on the LCD
display. Press the black button (J) to toggle display
between Enabled and Disabled.
Traction Mode: To set the traction mode, press forward
or backward on the joystick (H) until one of the traction
configuration setting screens is on the LCD display.
Press the black button (J) to toggle between traction
mode on and off.
Units Selection: To set the units displayed on the LDU,
press forward or backward on the joystick (H) until the
units setting screen is on the LCD display. Press the
black button (J) to toggle between English or Metric units.
Switch Status: Displays the current switch settings and
is used to diagnose switch problems. A status of 0
indicates the switch is in the OFF position. A status of 1
indicates the switch is in the ON position. Check the
wiring and operation of any switch that is not displaying
the correct status.
The Switches are broken up into three sets of numbers,
with a gap between each set.
The first set of numbers displays the status of the
traction pedal (0=Neutral), reel level switch, seat
switch, and backlap switch.
The second set of numbers displays the status of the
cruise control switch, brake switch, and starter
switch.
The third set of numbers displays the status of the
mow switch, horn switch, and head light switch.
LDU 3
en-13