Harsco MARK IV - F2 Pump Pressure Button

PAGE 2.2 - 34 OPERATION MARK IV HD J2 TAMPER
REVISED 10 -2020 JUPITER II BULLETIN 5082505
2.2
2.2.8 Mode Select Panel
2.2.8.3.2 F2 Pump Pressure Button - See Figure 2.2-21
1. Press the F2 Pump Pressure Button (2) on the F3 Pump Control Pressure Panel or the F2
Key on the Right Operator Keypad or computer keyboard to adjust the pumps P1 - P2
proportional control valve hydraulic pressure. T he Info Box (A) on the button will highlight
yellow.
2. Use the Plus (+) or Minus (-) Buttons (5) or the Plus (+) and Minus (-) Keys on the Right
Operator Keypad or computer keyboard to increase or decrease the pumps proportional
control valve pressure. The proportional control valve maximum operating hydraulic
pressure setting is 2,700 PSI.
a. Both of the pumps P1 - P2 compensators hydraulic pressure are set at 3,300 PSI, but
the proportional control valve hydraulic pressure controls the traction / work circuits
hydraulic pressure.
3. The pump P1 (left) and pump P2 (right)
sliders (7) will highlight yellow to display the
actual pump pressure as it increases or
decreases.
4. Press the F2 Button (2) or the F2 Key on the
Right Operator Keypad or computer
keyboard again. The Info Box (A) on the
button will un-highlight yellow.
5. Press the Escape Button (7) or the Escape
Key on the Right Operator Keypad or
computer keyboard to remove this panel
from the screen and operate the pumps P1 -
P2 at the proportional control valve hydraulic
pressure setting.
FIGURE 2.2-21
PUMP CONTROL PRESSURE PANEL
A
2
5
6
7