Service Manual

2 Tuff Torq Model K61A Hydrostatic TransaxleContents
Contents
Safety Information 3.............................
Specifications 4.................................
Removing the Transaxle from the Tractor 5........
Transaxle Disassembly and Inspection 6..........
Pinion 14..........................................
Differential Gear 14.................................
Center Case 15....................................
Motor Shaft 15.....................................
Pump Shaft 16.....................................
Transaxle Assembly and Adjustment 17............
Bypass Return 17..................................
Brake Interlock 17..................................
Neutral Adjust Eccentric 19..........................
Pump Shaft 20.....................................
Swash Plate 20....................................
Pump Cylinder Block 21.............................
Motor Shaft 22.....................................
Center Case 23....................................
Motor Shaft and Center Case Installation 23...........
Differential Gear 25.................................
Axle Shafts and Differential Installation 25.............
Pinion 26..........................................
Transaxle Case 27.................................
Brake 28..........................................
Damper 29........................................
Bleeding Air from the Oil C ircuit 29...................
Unit Out of Tractor 29..........................
Unit in Tractor 29..............................
Tr ansaxle Neutral Adjustment 30.....................
Belts and Linkage 31..............................
Belt Replacement 31...............................
Belt Routing—Bottom View 32.......................
Reassembly 32....................................
Belt Adjustment 33.................................
Brake Linkage 35..................................
Foot Brake 35.................................
Description and Operation 35...............
Adjustment 35............................
Parking Brake 35..............................
Description and Operation 35...............
Transaxle Brake 36.................................
Description and Operation 36....................
Brake Band Adjustment 37..........................
Hydrostatic Control Linkage 38.......................
Description and Operation 38....................
Lubrication 38.................................
Pedal Adjustment 38...............................
Cruise Control 39..................................
Description and Operation 39....................
Components 39...............................
Plate-Hydrostatic Control Arm and Housing 39.....
Bracket Magnet 40.............................
Magnet 40....................................
Brake Switch and Mounting Bracket 40...........
Relay 40......................................
Troubleshooting 41...............................