Cub Cadet P Series- User Manual

Cub Cadet P Series

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Table of Contents:

  • Page 4 – FOREWORD
  • Page 6 – WarnInG; actuating the bypass will result in the; IntroductIon; SectIon 1. deScrIPtIon and oPeratIon
  • Page 7 – eXternal FeatureS - Pc SerIeS; Figure 1. Pc Pump with Standard charge Pump
  • Page 8 – Figure 2. PG Pump With Standard charge Pump; eXternal FeatureS - PG SerIeS
  • Page 9 – eXternal FeatureS - PJ SerIeS; Figure 3. PJ Pump with Standard charge Pump
  • Page 10 – Figure 4. PK Pump With Standard charge Pump; eXternal FeatureS - PK SerIeS
  • Page 11 – Figure 4. Pr Pump With Standard charge Pump; eXternal FeatureS - Pr SerIeS
  • Page 12 – eXternal FeatureS - PW SerIeS; Figure 5. PW Pump With Standard charge Pump
  • Page 13 – HydraulIc ScHematIc
  • Page 14 – Figure 8. PW Series Pump With Standard charge Pump
  • Page 15 – Figure 10. P Series Pump With Standard charge Pump; GraPHIcal ScHematIc
  • Page 16 – tecHnIcal SPecIFIcatIonS; Table 1: P Series Pump Technical Specifications
  • Page 17 – Figure 11. P Series Pump Configuration Label; Product IdentIFIcatIon; model number
  • Page 19 – SectIon 3. trouBleSHootInG; do not attempt any servicing or ad-; valves, and loose or damaged control linkages. Be; table 2. Pump troubleshooting checklist; Possible cause
  • Page 21 – P SerIeS FloW teSt KIt InStructIonS; pump or wheel motor system ports); InStallatIon and teStInG ProcedureS:
  • Page 22 – Pc
  • Page 23 – SectIon 4. SerVIce and maIntenance; eXternal maIntenance; check the vehicle operator’s manual for
  • Page 24 – FluId Volume and leVel
  • Page 25 – return to neutral SettInG; The return to neutral mechanism on the pump is; Check for axle rotation. If the axle does not; Figure 17. P Series Pump rtn adjustment
  • Page 26 – HOW TO USE THIS MANUAL; REPAIR - PC SERIES PUMP
  • Page 27 – Miscellaneous; P Series Service & Repair Manual; Combination Wrenches; Internal Snap Ring; Allen Wrenches; TOOLS AND TORQUES; Table 1. Required Tools; Torque
  • Page 28 – Disassembly; PC SERIES PUMP REPAIR; Inspection; Figure 1. Return to Neutral Assembly
  • Page 29 – Install the fan and washer assembly onto the; Figure 2. Standard Control Arm; With the arm control linkage removed, inspect
  • Page 30 – Figure 4. PC Pump Input Shaft Seal
  • Page 31 – Figure 6. PC Pump Shock Valves
  • Page 32 – Figure 8. PC Pump Standard or Thru Shaft Charge Pump
  • Page 33 – Figure 9. PC Series Auxiliary Pump
  • Page 34 – Using a 10 mm wrench, loosen the end cap bolts; or unusual wear patterns. Replace if necessary.; Assembly; Lubricate the mating surface of the cylinder; Figure 10. PC Pump End Cap
  • Page 35 – Figure 11. PC Pump Cylinder Block Assembly
  • Page 36 – Inspect the running surface of the bearing races; Figure 12. PC Pump Block Spring and; Inspect the running surface of the bearing pocket; Figure 13. PC Pump Swashplate and
  • Page 37 – seal toward the outside of the pump.; Figure 14. PC Pump Input Shaft
  • Page 38 – Remove and discard the trunnion seal retainer; damage. Replace the trunnion arm if necessary.; To completely assemble the pump, refer to the; Figure 15. PC Pump Trunnion Arm
  • Page 39 – BOXES INDICATE ITEMS INCLUDED IN KITS.
  • Page 40 – ITEM LIST - PC SERIES; Description
  • Page 42 – The item; GENERAL INSTRUCTIONS; the appropriate kits identified in the Items Listing,; REPAIR - PG ANd PE SERIES PUMP; General Instructions
  • Page 43 – TOOLS ANd TORQUES; 5, Aux Relief Valve Kit
  • Page 44 – PG ANd PE SERIES PUMP REPAIR; REPLACEMENT OF RETURN TO; Prior to serial # 8001PXXXXX
  • Page 45 – Install the fan and washer assembly onto the; Figure 2. PG / PE Pump Standard Control Arm; Install the inner control arm bracket, washer; Prior to serial # 8001PXXXX
  • Page 46 – for corrosion and wear. Inspect the trunnion bore
  • Page 47 – REPLACEMENT OF CHECK VALVES; vary in “A” side to “B” side configuration.
  • Page 48 – Inspect the bypass O-rings and mating seats; Lay the pump on its side, so the bypass port is; REPLACEMENT OF THE BYPASS
  • Page 49 – REMOVAL, INSPECTION ANd; Figure 9. PG / PE Pump Standard or Thru Shaft Charge Pump; semble the charge pump (6) until the
  • Page 50 – disassembly; Use a 7/8 inch wrench to remove the filter cover; REPLACEMENT OF AUXILIARY; Inspect the filter cover assembly threads and; Install the poppet, spring and cap as one
  • Page 51 – Inspect the running surface (side that contacts; Install valve plate (31) so the stamped letters; Figure 11a. PG Pump End Cap
  • Page 53 – nesses: The thin race seats into the; Figure 13. PG / PE Pump Block Spring and Thrust; Inspect the running surface of the bearing pocket; NOTE: The cradle bearings will have; Cradle Bearings
  • Page 54 – surface damage, or keyway damage. Replace; mallet may be necessary on the input shaft (18); delay reassembly of input shaft assem-
  • Page 55 – REMOVAL ANd INSPECTION OF; cate all seals, O-rings and gaskets with
  • Page 58 – ITEM LIST - PG ANd PE SERIES
  • Page 60 – T h e i t e m; REPAIR - PJ SERIES PUMP
  • Page 61 – Pliers
  • Page 62 – PJ SERIES PUMP REPAIR; Figure 1. PJ Pump Return to Neutral; The spring used on the return to neutral; bracket must move freely.
  • Page 63 – Figure 2. PJ Pump Standard Control Arm
  • Page 64 – Figure 4. PJ Pump Input Shaft Seal
  • Page 65 – Figure 6. PJ Pump Check Valves
  • Page 66 – Inspect the bypass O-rings and mating seats in; Lay the pump on its side, so the bypass port is; Figure 8. PJ Pump Bypass
  • Page 67 – Figure 9. PJ Pump Standard or Thru Shaft Charge Pump
  • Page 68 – Figure 10. Auxiliary Pump
  • Page 69 – mating surface with clean oil prior to installation.; Figure 11. PJ Pump End Cap
  • Page 70 – Figure 12. PJ Pump Cylinder Block
  • Page 71 – Inspect the running surface of the bearing races; Figure 13. Pump Block Spring and Thrust Bearing; Figure 14. PJ Pump Swashplate and Cradle; swashplate moves freely.
  • Page 72 – assembly from the pump.; Figure 15. PJ Pump Input Shaft
  • Page 73 – Figure 16. PJ Pump Trunnion Arm; To completely assembly the pump, refer to the
  • Page 75 – BOXES INDICA
  • Page 76 – ITEM LIST - PJ SERIES
  • Page 78 – REPAIR - PK SERIES PUMP
  • Page 80 – PK SERIES PUMP REPAIR; Figure 1. PK Pump Return to Neutral
  • Page 81 – Figure 2. PK Pump Standard Control Arm
  • Page 82 – Figure 4. PK Pump Input Shaft Seal
  • Page 83 – Figure 6. PK Pump Check Valves
  • Page 84 – Figure 8. PK Pump Bypass
  • Page 85 – Figure 9. PK Pump Standard or Thru Shaft Charge Pump
  • Page 87 – Figure 11. PK Pump End Cap
  • Page 88 – Figure 12. PK Pump Cylinder Block
  • Page 89 – Figure 14. PK Pump Swashplate and Cradle
  • Page 90 – Figure 15. PK Pump Input Shaft
  • Page 91 – Figure 16. PK Pump Trunnion Arm
  • Page 94 – ITEM LIST - PK SERIES
  • Page 96 – REPAIR - PR SERIES PUMP
  • Page 98 – PR SERIES PUMP REPAIR; Install the inner scissor control arm bracket; Figure 1. PR Pump Return to Neutral
  • Page 99 – REPLACEMENT OF CONTROL ARM; Figure 2. PR Pump Standard Control Arm
  • Page 100 – REPLACEMENT OF INPUT SHAFT; Figure 4. PR Pump Input Shaft Seal; REPLACEMENT OF TRUNNION; Figure 5. PR Pump Trunnion Arm Seal
  • Page 101 – in “A” side to “B” side check configuration.; Figure 6. PR Pump Check Valves
  • Page 102 – Figure 8. PR Pump Bypass
  • Page 103 – REMOVAL, INSPECTION AND; Figure 9. PR Pump Standard or Thru Shaft Charge Pump; end cap is installed on the housing.
  • Page 104 – Figure 10. PR Series Auxiliary Pump
  • Page 105 – Install valve plate (29) so the bronze side of the; Figure 11. PR Pump End Cap; Prior to Serial # 0216Pxxxxx
  • Page 106 – Figure 12. PR Pump Cylinder Block
  • Page 107 – Inspect the running surface of the bearing race; Figure 13. PR Pump Block Spring and; Figure 14. PR Pump Swashplate and; plate. The thicker race will be installed
  • Page 108 – Figure 15. PR Pump Input Shaft
  • Page 109 – REMOVAL AND INSPECTION OF; Figure 16. PR Pump Trunnion Arm
  • Page 112 – ITEM LIST - PR SERIES; No. Description; 04 Inner Scissor Arm
  • Page 114 – REPAIR - PW SERIES PUMP
  • Page 115 – 4, Charge Relief Kit
  • Page 116 – PW SERIES PUMP REPAIR; Figure 1. PW Pump Return to Neutral
  • Page 117 – Figure 2. PW Pump Standard Control Arm
  • Page 118 – Figure 4. PW Pump Input Shaft Seal; Figure 5. PW Pump Trunnion Arm Seal
  • Page 119 – Figure 6. PW Pump Check Valves
  • Page 120 – Figure 8. PW Pump Bypass
  • Page 121 – Figure 9. PW Pump Standard or Thru Shaft Charge Pump
  • Page 122 – Figure 10. PW Series Auxiliary Pump
  • Page 123 – checked by dragging a fingernail across the; Install valve plate (29) with the bronze side; Figure 11. PW Pump End Cap
  • Page 124 – Figure 12. PW Pump Cylinder Block
  • Page 125 – Inspect the running surface of the bearing race; Figure 13. PW Pump Thrust Bearing; Figure 14. PW Pump Swashplate and
  • Page 126 – Figure 15. PW Pump Input Shaft
  • Page 127 – Install a new seal and seal retainer.; Figure 16. PW Pump Trunnion Arm
  • Page 130 – ITEM LIST - PW SERIES; No. Description
  • Page 132 – GLOSSARY OF TERMS; Decay Rate: The ratio of pressure decay over time.
  • Page 133 – Manifold: A conductor which provides multiple connection ports.
Loading the manual

P Series

Hydrostatic Pumps

Service and Repair Manual

BLN-52503

August, 2010

PC

PJ

PW

PR

PG/PE

PK

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Summary

Page 4 - FOREWORD

P Series iv FOREWORD Headquartered in Sullivan, Illinois, Hydro-Gearis a world leader in the design, manufacture, andservice of quality hydrostatic transaxles for thelawn and garden industry. The mission of ourcompany is to be recognized by our customersand the industry as a world-class supplier and...

Page 6 - WarnInG; actuating the bypass will result in the; IntroductIon; SectIon 1. deScrIPtIon and oPeratIon

1 P Series In some applications of the P Series Pumps, it is desirable to move the machine for short distances at low speeds without operating the engine. A screw- type bypass valve is utilized in the pumps to permit movement of the machine. The bypass valve is fully opened when unscrewed two (2) tu...

Page 7 - eXternal FeatureS - Pc SerIeS; Figure 1. Pc Pump with Standard charge Pump

2 P Series eXternal FeatureS - Pc SerIeS Figure 1. Pc Pump with Standard charge Pump

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