MASSEY FERGUSON MF 6713 S - 7 Power take-off; 7.1 HA140; 7.2 GPA20

6.16.2 Principles of operation ..........................................6-282
6.16.3 Layout of components ..........................................6-283
6.16.3.1 Blown-up view .........................................6-283
6.16.4 Adjustments, bleeding and calibrations ..............................6-284
6.16.4.1 Adjusting the tie rods and the control .........................6-284
6.16.5 Disassembly/reassembly ........................................6-286
6.16.5.1 Refitting the frame ......................................6-286
6.17 Rear wheels/hubs ...............................................6-288
6.17.1 General .....................................................6-288
6.17.2 Disassembly/reassembly ........................................6-291
6.17.2.1 Flanged axle shaft .......................................6-291
6.17.2.2 Straight axle shaft .......................................6-294
6.17.2.3 Adjusting the rear wheel track width .........................6-296
6.17.2.4 Fitting the rear wheel weights ..............................6-300
7 Power take-off ............................................................7-1
7.1 HA140 .............................................................7-3
7.1.1 General ........................................................7-3
7.1.2 Principles of operation .............................................7-4
7.1.3 Layout of components .............................................7-7
7.1.3.1 Cross-section view .........................................7-7
7.1.4 Disassembly/reassembly ...........................................7-9
7.1.4.1 Disassembling/reassembling the PTO clutch ......................7-9
7.1.4.2 Disassembling the PTO shafts ................................7-13
7.1.4.3 Reassembling the PTO shafts ................................7-17
7.2 GPA20 ............................................................7-22
7.2.1 General .......................................................7-22
7.2.2 Principles of operation ............................................7-23
7.3 GPA20/Clutch .....................................................7-30
7.3.1 General .......................................................7-30
7.3.2 Principles of operation ............................................7-30
7.3.3 Layout of components ............................................7-32
7.3.3.1 Parts list ................................................7-32
7.3.3.2 Blown-up view ...........................................7-34
7.3.4 Layout of components ............................................7-35
7.3.4.1 View of the assembly ......................................7-35
7.3.5 Disassembly/reassembly ..........................................7-37
7.3.5.1 Removing and refitting the PTO clutch ..........................7-37
7.3.5.2 Disassembling/reassembling the clutch .........................7-38
7.3.6 Service tools ...................................................7-40
7.3.6.1 General ................................................7-40
7.3.6.2 GPA20/Clutch - Service tools .................................7-41
7.4 GPA20/Intermediate shaft/Drive gear/PTO brake ....................7-42
7.4.1 General .......................................................7-42
7.4.2 Principles of operation ............................................7-42
7.4.3 Layout of components ............................................7-44
7.4.3.1 Power take-off (PTO) parts list ................................7-44
7.4.3.2 Exploded view (2-speed version) ..............................7-45
7.4.3.3 Overview (2-speed version) ..................................7-45
7.4.3.4 Exploded view (4-speed version) ..............................7-46
7.4.3.5 Assembly view (4-speed version) ..............................7-47
7.4.4 Disassembly/reassembly ..........................................7-47
7.4.4.1 Removing and refitting the upper shaftline (2-speed version) ..........7-47
7.4.4.2 Removing/refitting the driving gears (4-speed version) ..............7-49
7.4.4.3 Shimming the driving gear ...................................7-52
7.4.4.4 Adjustment of the control (4-speed version) ......................7-53
7.5 GPA20/Output shaft without speed selection .......................7-55
Table of contents
MF 6700 S series tractors
ACT0025630