Danfoss 20 Series - Plumbing Installa Tion (Variable Displacement Pump - Fixed Displacement Motor); System Circuit Description

Service Manual and
Axial Piston Pumps Series 20
Repair Instructions
L1003506 • Rev BA • Jun 201410
P000 341
Plumbing Installa tion
(Variable Displacement
Pump – Fixed Displacement
Motor)
System circuit Description
Start-up procedure
HEAT EXCHANGER BYPASS VALVE
RESERVOIR
VACUUM GAUGE
HEAT EXCHANGER
OUTPUT SHAFT
MOTOR SWASHPLATE
FIXED
DISPLACEMENT MOTOR
LOOP FLUSHING VALVE
PURGE RELIEF VALVE
CHARGE PRESSURE
RELIEF VALVE
SERVO
PRESSURE
RELIEF VALVES
SERVO CONTROL CYLINDER
SERVO CONTROL CYLINDER
PUMP SWASHPLATE
REVERSIBLE VARIABLE
DISPLACEMENT PUMP
CONTROL
HANDLE
INPUT SHAFT
WORKING LOOP (LOW PRESSURE) SUCTION LINE CASE DRAIN FLUIDCONTROL FLUIDWORKING LOOP (HIGH PRESSURE)
P000 027E