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Summary of Contents for MFE 19-20 Series

Page 1: ..._ i I OVERHAUL MANUAL MFE 19 X 20 21 30 SPERRY VICKERS TROY MI 48084 FIXEI DISPLACEMEN TRANSMISSIOI MOTOI...

Page 2: ...Drive Connections 2 C ShaftRotation 3 D Piping and Tubing 3 E Hydraulic Fluid Recommendations 4 F Overload Protection 4 SERVICEANDMAINTENANCE A Service Tools 4 B Inspection 5 C AddingFluid to System...

Page 3: ...IXED INLINE PISTON UNIT E SERIES FWW RATING 1800 RPM 19 GPM DESIGN 20 21 30 INPUT SHAFT NO 2 SAE B B SPUNED THRU SHAFT 25 T 32 64 P FLAT ROOT SIDE FIT TABLE 1 MODEL CODE BREAKDOWN PISTON SHOE S A SWAS...

Page 4: ...be consulted secnon m PRINCIPLES OF OPERATION NOTE Refer to Figure 2 throughout the theory of operation Fluid under pressure is applied to the inlet of the pist n motor causing rotation of the motor s...

Page 5: ...G ROTATION 2 EXERTS A FORCE ON PISTONS FORCINGTHEM OUT OF THE CYLINDER _______ B_W_ _ J Figure 2 Inline Piston Motor Operation Figure 3 Motor Pilot i lange C SHAFT ROTATION JlJiotors are capable ofrot...

Page 6: ...system 4 Provide continuous protection of system from entry of airborne contamination by seali the sys tem and or by proper filtration of the air S During usage proper oil filling and serviCing of fil...

Page 7: ...fluid is aolded 3 FiUer tlements also should be checked and replaced penoCleally A clogged Wter element re sults in a higher ressure drop This can force par ticles through tht Wter which would ordinar...

Page 8: ...sh ftsPFituis with a dry lubricant Molyeoat or equivaltmt td re vent wear F REPLACEMENT PARTS Reliable operation throughout the J 91 eratmg range is asstlr only ifgenuine Sp e l EY v jc ers parts are...

Page 9: ...nal leakag1 e isls return ve hicle to mafntenance shop for eval uation and repair Locate trouble and place or re Replace one or both Donotattempt to repair cartridges they are fac tory assembled and p...

Page 10: ...I c o _ 8 I 1 1 8 _ _...

Page 11: ...7 PIN 1 8 SPACER 1 9 CY1 INDER BLOCK 1 10 PISTON SHOE SUBASSEMBLY 9 11 SHOE PLATE 1 12 SPHERICAL WASHER 1 13 PINS 3 14 PIN RETAINER 1 15 RETAINING RING 1 16 WASHER 1 17 SPRING 1 18 PIN WASHER 1 19 ALI...

Page 12: ...roup parts 9 through 18 as a unit Holdthe shoe plate 11 piston and shoe sub assemblies 10 and cylinder block 9 to prevent sep aration of the rotating group during i emoval NOTE Therotating groupconsis...

Page 13: ...e drive shaft bearing as follows a Install a nine inch piece of 1 1 2 inch heavy wall tubing over drive shaft 21 The end of the tub ing will rest against the inner race of tapered roller bearing 22 an...

Page 14: ...wafer plate 6 for excessive wear scratches and possible fractures If U wafer plate is fractured make sure the Ilew plate rests flat against the valve block at assembly and that wafer plate pin mdoes...

Page 15: ...ess of gasket O 146 0 001 Required bearing spacer thickness to provide o 003 to 001 inch preload 8 Remove four mounting screws 1 and remove valve block 2 from housing 3 If unit is a through shaft mode...

Page 16: ...shaft spline with plastic tape 5 Tape the spline end of drive shaft 21 with plastic tape to prevent cutting new shaft seal 24 Start taping the lhaft close to the housing and work toward the end of th...

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