Simplicity 1692006 - 7 Transmission Repair

7 - 1
7 Transmission Repair
Table of Contents
SECTION CONTENTS
7A. Tuff Torq K215A Transaxle
General.................................................................................... 7-2
Exploded View Diagram.......................................................... 7-3
Tear-Down and Reassembly................................................... 7-4
7B. Sauer-Sundstrand BDU-21L-207 Hydrostatic Pump
General.................................................................................... 7-15
Exploded View Diagrams ........................................................ 7-16
Minor repair - General ............................................................. 7-18
Plug / Fitting Torques .............................................................. 7-18
Shaft Seals.............................................................................. 7-19
Charge Check Valves.............................................................. 7-20
Bypass Valve........................................................................... 7-21
Charge Pump .......................................................................... 7-21
Major Repair............................................................................ 7-23
Disassembly Procedures......................................................... 7-23
7C. Hydro-Gear 216-3010L Transaxle
General.................................................................................... 7-27
Exploded View Diagrams ........................................................ 7-28
Maintenance............................................................................ 7-30
Fluids / Greases ...................................................................... 7-30
Oil & Filter Change.................................................................. 7-30
Inspection................................................................................ 7-31
Reconditioning & Replacement of Parts.................................. 7-31
Transaxle Repair..................................................................... 7-32
Removal .................................................................................. 7-32
Hydro Pump Removal ............................................................. 7-36
Hydro Pump Installation .......................................................... 7-36
Axle Carrier Assemble............................................................. 7-37
Filter Base Removal & Installation .......................................... 7-38
Transaxle Disassembly ........................................................... 7-38
Transaxle Assembly................................................................ 7-41
Transaxle Installation .............................................................. 7-45
7D. Sauer-Sundstrand BDU-10L-258 Hydrostatic Pump
General.................................................................................... 7-47
Exploded View Diagrams ........................................................ 7-48
Minor Repair............................................................................ 7-49
Shaft Seals.............................................................................. 7-50
Charge Check Valves.............................................................. 7-51
Bypass Valve........................................................................... 7-51
Charge Pump .......................................................................... 7-52
Major Repairs.......................................................................... 7-53
Disassembly Procedures......................................................... 7-53
Reconditioning & Replacement of Parts.................................. 7-55
Assembly Procedures ............................................................. 7-55
7D. Tuff Torq K210A Six Speed Transaxle
General.................................................................................... 7-57
Exploded View Diagrams ........................................................ 7-58
Removal & Installation............................................................. 7-60
Disassembly............................................................................ 7-61
Inspection................................................................................ 7-67
Assembly................................................................................. 7-70
SECTION 7. TRANSMISSION REPAIR