Parker F12 series - Test Procedure and Drain Flow Check; Check Unit Condition via Drain Flow

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Parker Hannin
PumpandMotorDivision
Trollhättan,Sweden
ServiceManual
Series F12
HY30-5504-M1/UK
Thegeneralconditionoftheunitcanbeestablishedbycheckingthedrainow.Removethe
drainlineandkeepthedrainportaboveasuitablecontainer.Runtheunitat500rpmand
pressurisethesystemto200bar(3000psi)
Measurethedrainowforoneminute;ifitexceedsthemaximumguresshownbelow,theunit
iswornordamagedinternallyandshouldbereplacedorrepaired.Also,checkforleakageat
theshaftsealandbetweenthebearingandbarrelhousings.
Series Normal
(gpm,US)
Normal
(l/min)
Max
(gpm,US)
Max
(l/min)
F12-030 0.12 0.5 0.24 0.9
F12-040 0.16 0.6 0.32 1.2
F12-060 0.24 0.9 0.47 1.8
F12-080 0.32 1.2 0.64 2.4
F12-090 0.37 1.4 0.74 2.8
F12-110 0.44 1.7 0.87 3.3
F12-125 0.50 1.9 0.99 3.8
F12-250 0.64 2.4 1.60 6.1