Danfoss Series 42

Charge relief, loop flushing relief, and loop flushing valve
Loop flushing
spoo
l
Loop flushing
relief valve
Charge relief
valve
Loop flushing
defeat spool
P108 095E
Filtration options
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
Filter
Charge
pump
Charge
relief
valve
To pump case
To low pressure
side of loop and
servo control
Strainer
P001603E
Service Manual
Series 42 Axial Piston Closed Circuit Pumps
Functional Description
12 520L0638 • Rev 0300 • July 2015