5.3Troubleshooting
PotentialproblemswiththeHydraulicLinearDrivesystemandpossiblecausesandsolutionsaredescribedhere.
ProblemPossiblecausesPossiblesolutions
Themotorhasnopowersupply.
Checkallelectricalconnections.
Themotorisnotreceivinginstructions
fromthecoursecomputer.
Checktheconnectionbetweentheautopilotcontrolheadandthecourse
computer,andbetweenthecoursecomputerandthepump.
Motordoesnotrun.
Themotorbrushesareworn.
Checkmotorbrushes.Ifnecessarycontactyourdealerforreplacement
brushes.
Theclutchinthehydraulicramunitisnot
workingcorrectly.
Checkforclutchoperation.
Excessiveairinthehydraulicramunit.
Checkforairinthehydraulicramunit.Externaloillossmayindicatethis.
Thesystemmayneedbleeding.
Motorruns,buterraticornohydraulicrod
movement.
Drivecoupling.
Contactyourdealerandaskthemtocheckthemotordrivecoupling.The
dealershouldensurethatthecouplingisinplaceandalignedwiththe
motordrivetang.
Motormaybedamagedorfaulty.Checkthemotorfordamage.
Excessiveairinthehydraulicramunit.
Checkforairinthehydraulicramunit.Externaloillossmayindicatethis.
Thesystemmayneedbleeding.
Excessivepumpnoise.
Drivecoupling.
Contactyourdealerandaskthemtocheckthemotordrivecoupling.The
dealershouldensurethatthecouplingisinplaceandalignedwiththe
motordrivetang.
Note:Undernocircumstancesdismantletheunitunlessitis
certainthatthefaultisinternal.Doingsowillallowairintothe
cylinder,requiringtheunittobebled.
Maintenanceandtroubleshooting
37