5.4.4.8 Final steps .............................................5-159
5.4.5 Service tools ..................................................5-160
5.4.5.1 General ...............................................5-160
5.4.5.2 Powershift module - Service tools ............................5-160
5.5 GBA25/Dyna-6 PowerShift module ................................5-161
5.5.1 Dyna-6 - General information ......................................5-161
5.5.2 Dyna-6 Operating principle ........................................5-161
5.5.2.1 Kinematics .............................................5-163
5.5.3 Layout of components ...........................................5-171
5.5.3.1 View of Dyna-6 assembly ..................................5-171
5.5.3.2 Dyna-6 blown-up view ....................................5-173
5.5.4 Removing/refitting Dyna-6 ........................................5-175
5.5.4.1 Preliminary steps ........................................5-175
5.5.4.2 Removing the Powershift module ............................5-175
5.5.4.3 Refitting the Powershift module .............................5-177
5.5.4.4 Disassembling the Dynashift module ..........................5-178
5.5.4.5 Reassembling the Dynashift module ..........................5-182
5.5.4.6 Disassembling the multiplier module ..........................5-185
5.5.4.7 Reassembling the multiplier module ..........................5-186
5.5.4.8 Disassembling the planet gears ..............................5-189
5.5.4.9 Reassembling the planet gears ..............................5-189
5.5.4.10 Final steps ............................................5-190
5.5.5 Service tools ..................................................5-191
5.5.5.1 General ...............................................5-191
5.5.5.2 Powershift module - Service tools ............................5-191
5.6 GBA25/Robotic mechanical gearbox ...............................5-193
5.6.1 General ......................................................5-193
5.6.2 Principles of operation ...........................................5-193
5.6.2.1 Description and kinematics of ratios ...........................5-195
5.6.3 Layout of components ...........................................5-199
5.6.3.1 View of the primary and secondary shaft assembly ................5-199
5.6.3.2 View of the reverse layshaft and synchroniser control assembly ......5-202
5.6.3.3 Blown-up view of the robotic mechanical gearbox ................5-204
5.6.4 Disassembly/reassembly .........................................5-207
5.6.4.1 Preliminary steps ........................................5-207
5.6.4.2 Removing the primary and secondary shafts ....................5-207
5.6.4.3 Refitting the primary and secondary shafts ......................5-210
5.6.4.4 Disassembling the primary and secondary shafts .................5-212
5.6.4.5 Reassembling the primary and secondary shafts .................5-215
5.6.4.6 Shimming the primary and secondary shafts in the housing ..........5-219
5.6.4.7 Adjusting the selector rails and forks ..........................5-221
5.6.4.8 Adjusting the interlock mechanism ...........................5-225
5.6.4.9 Final steps .............................................5-226
5.6.5 Service tools ..................................................5-227
5.6.5.1 General ...............................................5-227
5.6.5.2 Robotic mechanical gearbox - Service tools .....................5-227
5.7 GBA25/Super creeper gears .......................................5-228
5.7.1 General ......................................................5-228
5.7.2 Principles of operation ...........................................5-229
5.7.3 Layout of components ...........................................5-232
5.7.3.1 View of the assembly .....................................5-232
5.7.3.2 Blown-up view ..........................................5-233
5.7.4 Disassembly/reassembly .........................................5-234
5.7.4.1 Removing/refitting and disassembling/reassembling the epicyclic gear
trains .......................................................5-234
5.7.4.2 Disassembling the input planet carrier .........................5-235
5.7.4.3 Reassembling the input planet carrier .........................5-236
Table of contents
MF 6700 S series tractors
ACT0025630
Find manuals at https://best-manuals.com
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