Eaton 20 Design 282 Series Service Data Download | Manualshive

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I-3157-S

Reprinted 6/1/96

Quiet Intra-Vane Single Pumps

25V(T)-35V(T)-45V(T) Series
20 Design 282/283 Series

Service Data

Vickers

®

Vane Pumps

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Summary of Contents for 20 Design 282 Series

Page 1: ...I 3157 S Reprinted 6 1 96 Quiet Intra Vane Single Pumps 25V T 35V T 45V T Series 20 Design 282 283 Series Service Data Vickers Vane Pumps ...

Page 2: ...ft Rotation 5 D Piping and Tubing 5 E Hydraulic Fluid Recommendations 5 F Sound Levels 6 G Overload Protection 6 H Start Up 6 V Service Maintenance A Circuit Inspection 6 B Adding Fluid to the System 6 C Adjustments 6 D Lubrication 6 E Replacement Parts 6 F Product Life 7 G Troubleshooting 7 VI Overhaul A Service Tools 8 B Unit Removal 8 C Disassembly 8 D Cleaning 9 E Inspection Repair and Replace...

Page 3: ...talog Installation 25V I 3158 S 25VT I 3154 S 35V I 3177 S 560 35VT I 3149 S 560 45V I 3159 S 45VT I 3151 S Table 1 Related Publications Model Code 2 2 4 5 6 7 8 9 10 11 1 Viton seals 1 3 12 3 Pump series Quiet intra vane type pump 4 Omit if not required Thru shaft connection mtg SAE 2 bolt adapter flange 5 SAE rated delivery USgpm 1200 RPM at 100 PSI A A flange B B flange C C flange 6 Port connec...

Page 4: ... rotor turns Centrifugal force and pressure under the vanes hold them out against the cam ring Pumping chambers are formed between the vanes and the cam ring and are enclosed by the two support plates The 282 283 series pumps are of a balanced intra vane design see Figure 2 Outlet pressure is constantly applied to the small intra vane area of the vane As the pump vane rotates through the high and ...

Page 5: ...s in tubing should be kept to a minimum to prevent excessive turbulence and friction of oil flow Tubing must not be bent too sharply The recommended minimum radius for bends is three times the inside diameter of the tube E Hydraulic Fluid Recommendations 9 General Data Fluid in a hydraulic system performs the dual function of lubrication and transmission of power It constitutes a vital factor in a...

Page 6: ...ystem resulting in noisy and or erratic operation 2 Clean fluid is the best insurance for long service life Therefore the reservoir should be checked periodically for dirt or other contaminants If the fluid becomes contaminated the system should be drained and the reservoir cleaned before new fluid is added 3 Filter elements also should be checked and replaced periodically A clogged filter element...

Page 7: ...and operate system until purged Bleed hydraulic lines at highest point down stream of pump while system is under pressure Vacuum condition Check inlet suction line and fittings for air leaks Oil too thick Be certain correct type of oil is used in system Warm up pump in cold weather until noise disappears Damaged or missing pump seals at mating surfaces Locate and replace damaged or missing seals C...

Page 8: ...f hydraulic oil source to pump inlet if an overhead reservoir is used 2 Remove the unit from the system 3 Cap all system and unit openings to prevent entry of dirt or moisture C Disassembly The index numbers on Figure 8 are in order of the disassembly sequence 1 Thoroughly clean pump exterior 2 Use a prick punch and mark the position of cover 4 with respect to the body 29 Mark position of the flan...

Page 9: ...eck bearing 25 for wear looseness and pitted or cracked races 3 Inspect the seal and bushing mating surfaces on shaft 26 for scoring and wear Replace the shaft if marks cannot be removed by light polishing F Assembly Refer to parts and service drawing listed in Table 1 for replacement parts Always replace old seals with new seals when overhauling a unit If a cartridge kit needs replacing new seals...

Page 10: ...ct adapter flange 6 to inlet cover 4 with four screws 5 NOTE Lockwashers are used with screw 5 for C adapter flanges only Torque screws 5 to specifications noted in Table 5 Screw 5 Torque Specifications Model Adapter Flange N m lb ft 25VT 35VT A or B 54 68 40 50 45VT 35VT C 31 40 23 30 45VT C 31 40 23 30 Table 5 Screw 5 Torque Specifications 11 Install key 2 on shaft 26 12 Place pump into mounting...

Page 11: ...ket Kit Key Screw Cover Screw Adapter Flange O Ring Spline Coupling Retaining Ring Screw Cartridge Kit items 12 22 Back up Ring O Ring Sealing Ring O Ring 1 1 4 1 4 1 A R 1 1 4 1 1 1 1 1 Item Nomenclature Qty 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Screw Inlet Support Plate Pin Ring Rotor Vanes Intra Vanes Outlet Support Plate Spirolox Ring Retaining Ring Bearing Shaft Washer Shaft Seal Body 2 1...

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