Filtration Options - Danfoss Series 42 Service Manual

Service Manual
Functional Description
Charge relief, loop flushing relief, and loop flushing valve
Charge relief
valve

Filtration options

12
Series 42 Axial Piston Closed Circuit Pumps
Loop flushing
relief valve
Series 42 pumps may be equipped with provisions for either suction or charge pressure filtration to filter
the fluid entering the circuit.
Suction filtration
The suction filter is in the circuit between the reservoir and the inlet to the charge pump.
Suction filtration
Reservoir
Strainer
To low pressure
side of loop and
servo control
Charge
relief
valve
To pump case
520L0638 • Rev 0300 • July 2015
Loop flushing
spoo l
Loop flushing
defeat spool
Filter
Charge
pump
P001603E
P108 095E