Parker P1 Series - Start up Procedure

Parker Hannin Corporation
Hydraulic Pump and
Power Systems Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN
Medium Pressure Axial Piston Pumps
P1/PD Maintenance
5
General Information
• Read and understand the instruction manual.
• Identify components and their function.
• Visually inspect components and lines for possible damage.
• Insure that all necessary ports are properly connected.
• Check reservoir for cleanliness. Drain and clean as required.
• Check uid level and ll as required with ltered uid to a minimum ISO
cleanliness level of 20/18/14.
• Fill pump case with clean oil prior to starting.
• If pump is mounted vertically with the shaft up, bleed the air out the D1 drain
port located near the mounting ange.
• Check alignment of drive.
• Check oil cooler and activate it, if included in circuit. Check uid temperature.
• Reduce pressure settings of compensator and relief valve. Make sure accurate
pressure readings can be made at appropriate places.
• If solenoids in system, check for actuation.
• Jog the pump drive. Check for proper shaft rotation. Make sure pump lls properly.
• Start the pump drive.
• Bleed system of air. Recheck uid level.
• Cycle unloaded machine at low pressure and observe actuation (at low speed,
if possible).
• Increase pressure settings gradually in steps. Check for leaks in all lines
especially in pump and motor inlet lines.
• Make correct pressure adjustments.
• Gradually increase speed. Be alert for trouble as indicated by changes in sounds,
system shocks, and air in uid.
• Equipment is operational.
Typical Ajustment Ranges and Initial Settings (unless customer specified at time of order)
Function Adjustment range Adjustment value Recommended or Initial Setting
Pressure compensators
"C0" 80-280 bar (1160-4060 PSI) 40 bar/turn (580 PSI/turn) Factory supplied at minimum
"C1" 20-80 bar (290-1160 PSI) 18.6 bar/turn (260PSI/turn) Factory supplied at minimum
"AM" 80-280 bar (1160-4060 PSI) 40 bar/turn (580 PSI/turn) Factory supplied at minimum
Load sense pressure
"L0" 8-35 bar (116-500 PSI) 28 bar/turn (410 PSI/turn) 24 bar (350 PSI)
Differential pressure
"AM" 37 bar (540 PSI) Adjustment not recommended Factory Set do not adjust
Maximum Volume stop
018 100-40% 9% per turn (1.6 cc/turn) 100%
028 100-40% 8.2% per turn (2.3 cc/turn) 100%
045 100-20% 7.5% per turn (3.4 cc/turn) 100%
060 100-30% 6.8% per turn (4.1 cc/turn) 100%
075 100-35% 6.2% per turn (4.65 cc/turn) 100%
100 100-50% 5.5% per turn (5.5 cc/turn) 100%
140 100-50% 4.8% per turn (6.72 cc/turn) 100%
Minimum Volume stop
018 0-68% 10% per turn (1.8 cc/turn) 0%
028 0-40% 9% per turn (2.6 cc/turn) 0%
045 0-40% 8.2% per turn (3.7 cc/turn) 0%
060 0-50% 4.6% per turn (2.76 cc/turn) 0%
075 0-45% 4.3% per turn (3.23 cc/turn) 0%
100 0-45% 3.9% per turn (3.9 cc/turn) 0%
140 0-25% 3.3% per turn (4.62 cc/turn) 0%
STARTUP PROCEDURE FOR
NEW INSTALLATIONS