Bobcat Backhoe Bob-Tach® Mounted 406 406 506 506 607 607 709 709 709FDS 709FDS 8811 8811 MO6 Service Manual SN 074600101 & Above – PDF DOWNLOAD

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Bobcat Backhoe Bob-Tach® Mounted 406 406 506 506 607 607 709 709 709FDS 709FDS 8811 8811 MO6 Service Manual SN 074600101 & Above – PDF DOWNLOAD

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Bobcat Backhoe Bob-Tach® Mounted 406 406 506 506 607 607 709 709 709FDS 709FDS 8811 8811 MO6 Service Manual SN 074600101 & Above – PDF DOWNLOAD

Language : English
Pages :348
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Bobcat Backhoe Bob-Tach® Mounted 406 406 506 506 607 607 709 709 709FDS 709FDS 8811 8811 MO6 Service Manual SN 074600101 & Above – PDF DOWNLOAD

(Bob-Tach® Mounted) S/N 074600101 & Above
(406) S/N 631010000 & Below
(406) S/N 631010001 & Above
(506) S/N 631110000 & Below
(506) S/N 631110001 & Above
(607) S/N 775002278 & Above
(607) S/N A5CW00101 & Above
(709) S/N 270007245 & Above
(709) S/N A54M00101 & Above
(709FDS) S/N 584101444 & Above
(709FDS) S/N A5F300101 & Above
(8811) S/N 630100101 & Above
(8811) S/N A55800101 & Above
(MO6) S/N 631200101 & Above

If the backhoe is not working correctly, check the hydraulic system of the machine thoroughly before making any repairs
on the backhoe. Backhoe problems can be affected by a hydraulic system that is not operating to specifications. Connect
a flow meter to the machine to check the hydraulic pump output, relief valve setting and tube lines to check flow and
pressure.
Use the following troubleshooting chart to locate and correct problems which most often occur with the backhoe.

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Bobcat Backhoe Bob-Tach® Mounted 406 406 506 506 607 607 709 709 709FDS 709FDS 8811 8811 MO6 Service Manual SN 074600101 & Above – PDF DOWNLOAD

MAINTENANCE SAFETY 3
CONTENTS 5
FOREWORD 7
SERIAL NUMBER LOCATION 9
Attachment Serial Number 9
DELIVERY REPORT 10
ATTACHMENT IDENTIFICATION 11
406 And 506 Backhoes 11
607 And 709 Backhoes With Telescoping Stabilizers 12
607 And 709 Backhoes With Outrigger Stabilizers 13
8811 Backhoe 14
MO6 Backhoe 15
Bob-Tach Mounted Backhoe 16
SAFETY AND MAINTENANCE 17
TROUBLESHOOTING 19
Chart (406 And 506) 19
Chart (607 And 709) 20
Chart (8811) 21
Chart (MO6) 22
LUBRICATING THE ATTACHMENT 23
Lubrication Locations (406 And 506) 23
Lubrication Locations (607 And 709) 25
Lubrication Locations (8811) 27
Lubrication Locations (MO6) 30
Lubrication Locations (Bob-Tach Mounted) 33
BOOM SWING ADJUSTMENT 35
Backhoe (406 And 506) 35
Backhoe (MO6) 36
DAILY INSPECTION 37
Bob-Tach 37
Backhoe Inspection (406 And 506) 39
Backhoe Inspection (607 And 709) 40
Backhoe Inspection (8811) 41
Backhoe Inspection (MO6) 42
BUCKET REMOVAL 43
Procedure (406 And 506) 43
Procedure (MO6) 43
Procedure (Bob-Tach Mount) 44
SEAT ADJUSTMENT 45
Procedure (MO6) 45
HYDRAULIC SYSTEM 47
CONTROL VALVE (406 S/N 631010000 & BELOW, 506 S/N 631110000 & BELOW) 51
Removal And Installation 51
Parts Identification 53
Disassembly And Assembly 54
CONTROL VALVE (406 S/N 631010001 & ABOVE, 506 S/N 631110001 & ABOVE) 59
Removal And Installation 59
Parts Identification 61
Disassembly And Assembly 62
RELIEF VALVE (ALL 406 AND 506 MODELS) 65
Removal And Installation 65
HYDRAULIC CONTROL VALVE (607 S/N 775002278 & ABOVE, 709 S/N 270007245 & ABOVE, 709FDS S/N 584101444 & ABOVE) 67
Checking The Main Relief Valve On The Backhoe 67
Checking The Port Relief Valve On The Backhoe 68
Removal 69
Installation 70
Description (Sauer-Danfoss) 70
Parts Identification 71
Disassembly And Assembly 72
HYDRAULIC CONTROL VALVE (WITH 8 SECTIONS) (607 S/N A5CW00101 & ABOVE, 709 S/N A54M00101 & ABOVE, 709FDS S/N A5F300101 & ABOVE) 77
Checking The Main Relief Valve On The Backhoe 77
Checking The Port Relief Valve On The Backhoe 78
Removal And Installation 79
Parts Identification 82
Disassembly And Assembly 83
HYDRAULIC CONTROL VALVE (WITH 5 SECTIONS) (607 S/N A5CW00101 & ABOVE, 709 S/N A54M00101 & ABOVE, 709FDS S/N A5F300101 & ABOVE) 89
Checking The Main Relief Valve On The Backhoe 89
Checking A Port Relief Valve On The Backhoe 90
Hose And Tubeline Routing 92
Removal And Installation 94
Parts Identification 97
Disassembly And Assembly 99
HYDRAULIC CONTROL VALVES (8811 S/N 630100101 & ABOVE) 107
Checking The Main Relief Valve On The Backhoe 107
Checking The Port Relief Valve On The Backhoe 108
Removal 110
Installation 110
Description (Sauer-Danfoss) 110
Parts Identification 111
Disassembly And Assembly 112
HYDRAULIC CONTROL VALVES (8811 A55800101 & ABOVE) 117
Checking The Main Relief Valve On The Backhoe 117
Checking The Port Relief Valve On The Backhoe 118
Removal 119
Parts Identification 122
Disassembly And Assembly 123
HYDRAULIC CONTROL VALVE (MO6) 129
Removal And Installation 129
Parts Identification 131
Disassembly 132
Assembly 139
Hydraulic Hose Installation 145
HYDRAULIC CONTROL VALVE (BOB-TACH MOUNTED) 149
Removal And Installation 149
Parts Identification 151
Disassembly 152
Assembly 158
HYDRAULIC CYLINDERS (406 AND 506) 163
Bucket Cylinder Removal And Installation 163
Arm Cylinder Removal And Installation 164
Boom Cylinder Removal And Installation 165
Parts Identification 166
Disassembly 167
Assembly 170
HYDRAULIC CYLINDERS (607, 709, AND 709FDS) 175
Removing Air From The Swing Cylinder 175
Removal And Installation 175
607 Backhoe Cylinders Parts Identification 176
709 Backhoe Cylinders Parts Identification 179
Hydraulic Cylinder Disassembly 181
Hydraulic Cylinder Assembly 184
HYDRAULIC CYLINDERS (8811) 191
Removing Air From The Swing Cylinder 191
Removal And Installation 192
Backhoe Cylinders Parts Identification 193
Hydraulic Cylinder Disassembly 195
Hydraulic Cylinder Assembly 198
HYDRAULIC CYLINDERS (MO6) 205
Arm Cylinder Removal And Installation 205
Arm Cylinder Parts Identification 206
Boom Cylinder Removal And Installation 207
Boom Cylinder Parts Identification 208
Bucket Cylinder Removal And Installation 209
Bucket Cylinder Parts Identification 210
Stabilizer Cylinder Removal And Installation 211
Stabilizer Cylinder Parts Identification 212
Swing Cylinder Removal And Installation 213
Swing Cylinder Parts Identification 214
Disassembly 215
Assembly 218
HYDRAULIC CYLINDERS (BOB-TACH MOUNTED) 225
Bucket Cylinder Removal And Installation 225
Bucket Cylinder Parts Identification 227
Swing Cylinder Removal And Installation 228
Swing Cylinder Parts Identification 230
Disassembly 231
Assembly 235
MAINFRAME 241
ARM (406 AND 506) 243
Removal And Installation 243
ARM (MO6) 245
Removal And Installation 245
BOOM (Bob-Tach Mounted) 247
Removal And Installation 247
BOOM (406 AND 506) 249
Removal And Installation 249
BOOM (MO6 S/N 631200101 & Above) 251
Removal And Installation 251
BOOM, ARM AND BUCKET (406 AND 506) 253
Removal And Installation 253
BOOM, ARM AND BUCKET (MO6) 255
Removal And Installation 255
BOOM, ARM AND BUCKET (607, 709, AND 8811) 257
Removal And Installation 257
BUCKET TEETH (Bob-Tach Mounted) 259
Removal And Installation 259
BUCKET (MO6) 261
Removal And Installation 261
BUCKET (Bob-Tach Mounted) 263
Removal And Installation 263
RUBBER STOPS (406 AND 506) 265
Removal And Installation 265
SWING CHAIN (406 AND 506) 267
Adjustment 267
Removal And Installation 267
BACKHOE MOUNTING FRAME (406 AND 506) 269
Removal And Installation 269
BACKHOE MOUNTING FRAME (607, 709, AND 8811) 271
Removal And Installation 271
BACKHOE MOUNTING FRAME (607 AND 709) 273
Removal And Installation 273
LOCKING MECHANISM (607 AND 709) 275
Removal And Installation 275
SAFETY CHAIN (607 S/N 775002278 & ABOVE, 607 S/ N A5CW00101 & ABOVE, 709 S/N 270007245 & ABOVE, 709 S/N 584101444 & ABOVE, 709 S/N A54M00101 & ABOVE, 709 S/N A5F300101 & ABOVE) 277
Inspection And Maintenance 277
SAFETY CHAIN (8811) 281
Inspection And Maintenance 281
SWING FRAME (607, 709, AND 8811) 283
Swing Frame Removal 283
Swing Frame Installation 283
Side Shift Frame Removal 283
Side Shift Frame Installation 284
TENSION SPRING ASSEMBLY (607, 709, AND 8811) 285
Disassembly 285
Assembly 286
Adjustment 287
STABILIZER (MO6) 289
Removal And Installation 289
X-CHANGE (BOB-TACH MOUNTED) 291
Removal And Installation 291
Assembly 297
SPECIFICATIONS 303
BACKHOE SPECIFICATIONS (406 AND 506) 305
Dimension 305
BACKHOE SPECIFICATIONS (607) 309
Dimensions 309
Hydraulic Specifications 310
Transport 310
Operational 311
Lift Capacities 311
(607) Bucket Specifications 312
BACKHOE SPECIFICATIONS (709) 313
Dimensions 313
Hydraulic Specifications 314
709 Transport 314
Operational 315
(709) Bucket Specifications 316
BACKHOE SPECIFICATIONS (8811) 317
Dimensions 317
Hydraulic Specifications 318
Transport 318
Operational 319
Lift Capacities 319
Bucket Dimensions 320
SPECIFICATIONS (MO6) 321
Dimensions 321
SPECIFICATIONS (BOB-TACH MOUNTED) 325
Dimensions 325
SCHEMATICS 327
Hydraulic Schematic 607 (S/N 270007245 & Above), 709 (S/N 584101444 & Above), 709FDS (S/N 775002278 & Above) 327
Hydraulic Schematic 607 (S/N A5CW00101 & Above), 709 (S/N A5F4M00101 & Above), 709FDS (S/N A5F300101 & Above) 328
Hydraulic Schematic 8811 (S/N 630100101 & Above) 329
Hydraulic Schematic 8811 (S/N A55800101 & Above) 330
Hydraulic Schematic MO6 (S/N 631200101 & Above) 332
Hydraulic Schematic Bob-Tach Mounted (S/N 074600101 & Above) 333
Electrical Schematic 7-Pin Connector Bob-Tach Mounted (S/N 074600101 & Above) 334
Electrical Schematic 7-Pin Connector With 14-Pin Adapter Harness Connector Bob-Tach Mounted (S/N 074600101 & Above) 335
TORQUE SPECIFICATIONS 337
Torque For General SAE Bolts 337
Torque For General Metric Bolts 338
Torque Specifications For Hydraulic Cylinder Piston Nuts 339
HYDRAULIC CONNECTION SPECIFICATIONS 341
O-ring Face Seal Connection 341
Straight Thread O-ring Fitting 341
Tubelines And Hoses 341
Flare Fitting 342
Port Seal Fitting 342
ALPHABETICAL INDEX 345

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