Owner's manual

SEEDHAWK
®AIRCARTOPERATOR’SMANUAL70
8.1 FILTERANDPRESSUREREDUCINGVALVE
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There is a filter placed in‐line with the hydraulic motors which is located at the front of the
aircartnearthedivertervalvefortheaugerorconveyor.Thefilterisequippedwithablockage
indicatorwhich displaysa red band when apressure differential greater than 5 bar (72.5 psi)
occurs.Note that low oil temperatures may give false blockage indication.To reset the
blockageindicatorpresstheplasticcoveratthetopof theindicator.Thefiltercartridge(part
number 317885) should be replaced first after 50 hours then yearly or when signified by the
blockageindicator.
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Figure31
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In addition to the filter there is a pressure reducing valve (PRV) which is located next to the
filter.This PRV is used to lower the hydraulic pressure entering the motors to 1500 psi.To
adjustthePRVloosenthenutat thetopofthePRV.Thenusinganallen
key,adjustthescrew
untilthegaugereads1500psi.TightenthenutatthetopofthePRV.
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