BENDIX SD-30-4250 manual Piston Removal & Disassembly

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FIGURE 16

PISTON REMOVAL & DISASSEMBLY

9.While preventing rotation of the input shaft, remove the spindle, valve body and piston from the housing. (See Figure 16) Remove the two O-rings(19) from the valve

FIGURE 18

body. (See Figure 17) Remove the O-ring(47) and two back-up rings(46) from the piston groove. (See Figure

18)Remove the snap ring (51) and tube cover(50) and lift out and remove both halves of the ball return tube(49) (7 balls inside). (See Figure 19)

49

51

50 46

29

47

TOOL 297678

FIGURE 17

FIGURE 19

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Contents II. Operation Mechanical OperationGeneral III Technical Data Preventive Maintenance Table of ContentsHydraulic Operation Delivery from Power Steering Gear Identification III. Technical DataIV. Preventive Maintenance Power Steering OILDraining and Filling the System VI. Removing the Power Steering Gear Output Shaft Sector Teeth AdjustmentOutput Shaft Boot Seal IMPORTANT! Please ReadVII. Special Tool Requirements Output Shaft Removal 10 11 Page Page Piston Removal & Disassembly Housing Disassembly Side Cover Disassembly Valve Body and Spindle DisassemblyPressure Relief Bypass Valve Disassembly Output Shaft Disassembly IX. Reassembling the Power Steering UnitSpindle Disassembly Cleaning and Inspection InspectionSpindle Assembly Valve Body Refer to FigurePiston Assembly Housing Assembly 26 25 24 Housing & Valve Body Assembly Page Adjusting the Piston Sector Tooth Backlash Relief Pressure Test Power Steering PumpPRESSURE, Flow and Leakage Tests System Back Pressure CheckThermometer XI. Troubleshooting Preliminary ChecksSymptom Troubleshooting Chart CauseRemedy Cause