HYDRAULIC SYSTEM 14000 SERVICE MANUAL
2-24
Published 09-10-14, Control # 065-24
Charge Pressure Test
See Figure 2-24 for the following procedure.
The charge pressure test checks the ability of all primary
cane functions to build proper charge pressure. This test
generally is used only as a shop procedure on new cranes. It
can also be used as a quick way to test hydraulic
components in the primary hydraulic circuits.
Test charge pressure as follows:
1. Apply all park brakes with switches on control console.
2. Start and run the engine at low idle.
3. Press Enter button to go to Pressure Test and
Calibration screen from Menu screen.
4. Press Enter button to go to level 2. Use
Select buttons to show LOW PRESSURE
icon in data box.
5. Press Confirm button to start test.
6. Test starts and percent of completion is displayed in data
box.
7. When test is complete, charge pressure icon reappears
in data box.
Charge pressure levels must be within a specified range
during this test. Any pump that failed to maintain charge
pressure within a specified range is highlighted yellow.
Troubleshoot failed circuit to determine cause of fault.
FIGURE 2-24
14COM3-54
Data Box
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