Parker F12 series - General Information and Cross Section; F12 Product Overview; F12 Component Cross-Section

3
Parker Hannin
PumpandMotorDivision
Trollhättan,Sweden
ServiceManual
Series F12
HY30-5504-M1/UK
General information
F12isbentaxis,xeddisplacementheavy-
dutymotor/pumpseris.Theycanbeused
innumerousapplicationsinbothopenand
closedloopcircuits.
SeriesF12conformstocurrentISOand
SAEmountingangeandshaftendcongu-
rations.Averycompactcartridgeversionis
alsoavailable.
Framesizes:F12-30,-40,-60,-80,-90,
-110,-125,-150,-250.
Thankstotheuniquesphericalpistonde-
sign,F12motorscanbeusedatunusually
highshaftspeeds.Operatingpressuresto
480barprovidesforthehighoutputpower
capability.
The40°anglebetweenshaftandcylinder
barrelallowsforaverycompact,lightweight
motor/pump.
Thelaminatedpistonringo󰀨ersimportant
advantagessuchaslowinternalleakage
andthermalshockresistance.
Thepumpversionhashighlyengineered
valveplatesforincreasedselfprimingspeed
andlownoise,availablewithleftandright
handrotation.
TheF12motorsproduceveryhightorque
atstart-upaswellasatlowspeeds.
Ouruniquetiminggeardesignsynchronizes
shaftandcylinderbarrel,makingtheF12
verytoleranttohigh’G’forcesandtorsional
vibrations.
Heavydutyrollerbearingspermitsubstan-
tialexternalaxialandradialshaftloads.
TheF12’shaveasimpleandstraightfor-
warddesignwithveryfewmovingparts,
makingthemveryreliablemotors/pumps.
Theuniquepistonlocking,timinggearand
bearingset-upaswellasthelimitednum-
berofpartsadduptoaveryrobustdesign
withlongservicelifeand,aboveall,proven
reliability.
123456789
F12 cross section
1.Barrelhousing
2.Valveplate
3.Cylinderbarrel
4.Pistonwithpistonring
5.Timinggear
6.Taperedrollerbearing
7.Bearinghousing
8.Shaftseal
9.Output/inputshaft
1 2
3
4
5 6
7
8
9