Simran RPU80 instruction manual Maintenance, Dismantling, Electric motor

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Simrad Reversible Pump RPU80/160/300

6 MAINTENANCE

6.1 Dismantling

After approximately 1000 operating hours, the pump unit should be removed for examination.

Close the stop cocks to the pump unit, remove the nuts on the 3 couplings and all retaining nuts.

Screw out the 2 fixing screws (24) located on each side of the pump cover which hold the valve block and motor together. (See figure 9-1).

6.2 Electric motor

Examine the brushes for wear and replace if required.

6.3 Valve block

Examine the oil seal (15) for wear and replace if required.

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20220422N

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Contents Simrad RPU80/160/300 Reversible Pump Copyright 20220422N Document revisions Contents Technical Specifications Introduction General20220422N Capilano, Flexatrol Canadian. See Seastar Harmek Norwegian RPU160 RPU300 BCS ItalianBosvik Norwegian HC HYDRO-CONTROL GermanRPU160 RPU300 Hynautic Lecomble & Schmitt FranceRPU160 RPU300 Lecomble & Schmitt Old models Seipem ItalianTeleflex See Seastar Tenfjord Norwegian RPU160 RPU300 Servi NorwegianSLEIPNER, Hydrive Norwegian Vetus DutchRPU160 RPU300 Vetus Wagner CanadianMeasurements and Calculations for Applying the RPU Calculation of cylinder volumeMinimum rudder time adjustment Capacity nomogram for Reversible Pump RPU80/RPU160/RPU300 Description of RPU80/RPU160/RPU300 ConstructionPrinciple of operation ref. -1 and figure Pressure operated non-return check valves on outlet a and B Valve blockGear pump Suction valves on outlet CPipe connections Installation Mechanical InstallationInstallation of pipes Connection to expansion tank Connection to hand hydraulic steering gear Electrical installation J3000X, J300X, J300X-40, J50, J50-40 AC10, AC20, AC40Oil filling and bleeding Preparation and TestingTesting Electric motor MaintenanceDismantling Piston rod does not move with rudder commands Fault TracingPump motor is not running/not responding to rudder command Excessive noise from the pump unitSteering wheel is turning while pump unit is operated Piston rod of the rudder cylinder does not move smoothlySmall and sudden heading changes while on automatic steering Rudder moves only in one direction with pump running Activator reduces the hardening time to 1 hourTechnical Specifications SpecificationsDimensions RPU80 performance RPU160 performance RPU300 performancePos Qty Gear pump parts Spare PartsRPU80/RPU160/RPU300 Motor parts Lemac Parts for Fracmo motorsRPU80 Previous model gear pump Pos Qty Gear pump parts Previous RPU80 modelSales and Service Worldwide Europe