STRUCTURE, FUNCTION AND MAINTENANCE STANDARD HYDRAULIC PUMP
10-20 PC58UU-3
HYDRAULIC PUMP
Type: LPD25 + 25
1. Main pump (Piston pump)
2. Tandem gear pump (For swing, blade + pilot)
• This pump has a double pump to control the
pump absorption torque by sensing the
engine speed and a tandem gear pump for
swing and blade + pilot.
P1: Pump discharge port P1L : Pump pressure input port
P2: Pump discharge port P1T : Travel deviation adjustment orifice
P3: Gear pump discharge port P2T : Travel deviation adjustment orifice
P4: Pilot pump discharge port PDA: Air bleeder
P5: Pump suction port PLS : LS pressure input port
(5)
To Next Page
Loading...
Need help?
General
