PAGE 2.2 - 36 OPERATION MARK IV HD J2 TAMPER
REVISED 10 -2020 JUPITER II BULLETIN 5082505
2.2
2.2.9 Gear Select Panel - See Figure 2.2-23
1. When the Travel Mode is switched to Work Mode, or vise-versa, the Gear Select Panel is
automatically displayed. Sometimes it necessary to shift the gearboxes into a different
range when already operating in the desired Travel Mode or Work Mode.
2. Press the Gear Select Key on the Left Operator Keypad to display the Gear
Select Panel on the screen. This panel is used to shift the gearboxes, to jog the
gears to aid in engagement, and to enable or disable the front and/or rear
gearboxes. The panel displays the following:
3. Important: Gear and axle selection must be done BEFORE moving the machine. If a
change is required, STOP the machine, make the change and then proceed. Gear and
axle selection are NOT permitted while the machine is moving.
(1) F1 Low Gear (1st): Press the button or the F1 Key on the Right Operator Keypad or
computer keyboard to shift the machine’s enabled front and/or rear gearboxes into
Low Gear (1st). The indicator on the button will highlight yellow when selected.
(2) F2 High Gear (2nd) Gear: Press the button or the F2 Key on the Right Operator
Keypad or computer keyboard to shift the machine’s enabled front and/or rear
gearboxes into High Gear (2nd). The indicator on the button will highlight yellow when
selected.
(3) F3 Neutral Button: Press the button or the F3 Key on the Right Operator Keypad or
computer keyboard to shift the machine’s enabled front and/or rear gearboxes into
Neutral position. The indicator on the button will highlight yellow when selected.
(4) F4 Jog Button: Press and hold the button or the F4 Key on the Right Operator
Keypad or computer keyboard to jog and rotate the machine’s enabled front and/or
rear gearboxes to aid in engagement.
a. The Gearbox Status Indicators on the Machine Status Panel will display the
status of the gearboxes. See Machine Status Panel.
b. If the gearboxes do not properly shift into the selected position, continue to
press and hold the button or key. The longer the button or key is held, the more
aggressive the jog periods will be in order to aid in engagement.
c. If either of the gearboxes do not properly engage, the button or key must be held
for at least 10 seconds in order to close the Gear Select Panel.
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