Summary of Contents for Hydrostatic Transaxle 850 Series

Page 1: ...RANSAXLE 850 TRANSAXLE PARTS LIST TRANSAXLE SERIES 850 PRODUCT IDENTIFICATION AND ORDERING INFORMATION COMPLETE DISASSEMBLY AXLE DISASSEMBLY PROCEDURES HOUSING DISASSEMBLY PROCEDURES ROTOR ASSEMBLIES...

Page 2: ...NO 7 414 Eaton Hydraulics Division Hydrostatic Transaxle Series850...

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Page 6: ...r DL PB 37 Brake Gear 39 Motor Rotor Ball A BS A 38 Drive 40ParkingBrakeorOptionDifferential Lock Parking Brake PBor DL PB 41 Plate Wear 42 Ring Gear A BS A 43 Brake Shaft A PB 43a BrakeShaft A DL PB...

Page 7: ...side of the pump housing opposite the input shaft Complete Disassembly The following procedures describe complete disas sembly of the Transaxle Series 850 These proce dures cover the basic unit only H...

Page 8: ...he housing assembly Transaxle with Filter and Filter Base S A Removed Clean 5 C clamp 5 It is easier to disassemble the axle assemblies with the transaxle as shown Before securing the transaxle inthis...

Page 9: ...Thrust Washer RetainingRing Hex Flange Screw Thrust Washer Sun GearSecon 6 Spacer Thick...

Page 10: ...the wear plate Note This gasket may have remained on the housing assembly when the axle assembly was removed 16 Remove the wear plate from the axle assembly 17 Remove the axle housing gasket from the...

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Page 12: ...d 9 36 On units with the differential lock parkingbrake option thetwo outside disks are the only disks that can be removed easily for inspection and cleaning Note On transaxles with the differential l...

Page 13: ...RetainingRing 10 Control Shaft Seal Input Shaft S A Hex Flange Cover Control Shaft Dump Valve Nut O ring ft Seal I Spring CamRing S A ReliefValveSpring andBall Housing S A...

Page 14: ...ckwise from the letter stamped inthe rotorface Place the piston balls in a container such as an egg cartonor icecubetray The balls must be replaced in the same bores from which they were removed becau...

Page 15: ...No 12 I Date of Build Assembly Customer Part No If Required InputRotation Housing Latest Date of I Number of Times Unit hasbeen Rebuilt Example Shows Two Times...

Page 16: ...the housing assembly andthen install the pump plate over the gerotor assembly Install the four socket head screws in the pump plate and finger tighten them only at this time 78 Aligntherotationarroww...

Page 17: ...n the second sun gear Install the first sun gear into the motor rotor assembly 105 Install thetwo dowel pins and the first of three identical gaskets on the B side of the housing assembly 106 Install...

Page 18: ...otectingthelip of theaxlecarrierassembly sealfromtheretainingringgrooveand keyway Note To ensurecorrectinstallation theaxle lubricateandinstallthesealwiththelippointinghousingsaremarkedwiththeletters...

Page 19: ...Self Tap Screw 16 Spacer Thick n...

Page 20: ...ously installed sun gear 135 Install the second sun gear in the primary carrier assembly Note The pointedend of the second sun gear must point toward the first sun gear 136 Install the secondary carri...

Page 21: ...gasket 146 Aligning the screw holes install the filter base onthe housing assembly 147 Installthe hex flange screws in the filter base and torque them to 125Ib in 148 Apply light filmof oilto sealing...

Page 22: ...icles per milliliter greater than 15 m viscosity ranges are from 80 180 SUS 16 39 cSt Viscosity should never fall below 60 SUS 10 cSt and atthe lowest expected start uptemperature should not exceed 10...

Page 23: ...EATON HYDROSTATIC TRANSAXLE SERIES 850 REPAIRINFORMATION NO 7 414 Eaton CorporationHydraulicsDivision 15151 Highway5 Eden Prairie MN 55344 Telephone 612 937 9800 FORM NO 7 414 77...

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