Bobcat Tractor Backhoe 6TB 7TB 8TB Service Manual 6986711 (10-11) – PDF DOWNLOAD

Description

Bobcat Tractor Backhoe 6TB 7TB 8TB Service Manual 6986711 (10-11) – PDF DOWNLOAD

FILE DETAILS:

Bobcat Tractor Backhoe 6TB 7TB 8TB Service Manual 6986711 (10-11) – PDF DOWNLOAD

Language : English
Pages :150
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Bobcat Tractor Backhoe 6TB 7TB 8TB Service Manual 6986711 (10-11) – PDF DOWNLOAD

(6TB) S/N A91400101 & Above
(7TB) S/N AE3H00101 & Above
(8TB) S/N AE3L00101 & Above

If the tractor backhoe is not working correctly, check the hydraulic system of the compact tractor thoroughly before making any repairs on the tractor backhoe. Tractor 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.

(See the compact tractor’s Service Manual for the correct procedure to connect the flow meter.) Use the following troubleshooting chart to locate and correct problems which most often occur with the tractor backhoe.

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Bobcat Tractor Backhoe 6TB 7TB 8TB Service Manual 6986711 (10-11) – PDF DOWNLOAD

MAINTENANCE SAFETY 3
CONTENTS 5
FOREWORD 7
SERIAL NUMBER LOCATION 9
Attachment Serial Number 9
Manual Storage 9
DELIVERY REPORT 9
ATTACHMENT IDENTIFICATION 10
SAFETY & MAINTENANCE 11
TROUBLESHOOTING 13
Chart 13
LUBRICATING THE ATTACHMENT 15
Lubrication Locations (6TB) 15
Lubrication Locations (7TB And 8TB) 17
BUCKET TEETH 21
Removal And Installation 21
DAILY INSPECTION 23
Backhoe Mounting Frame 23
Hanger Brackets 23
HYDRAULIC SYSTEM 25
CONTROL VALVE (6TB S/N A91400532 & BELOW) 27
Removal And Installation 27
Parts Identification 31
Disassembly And Assembly 32
CONTROL VALVE (6TB S/N A91400533 & ABOVE, 7TB S/N AE3H00101 & ABOVE AND 8TB S/N AE3L00101 & ABOVE) 35
Removal And Installation 35
Parts Identification 39
Disassembly And Assembly 40
ARM CYLINDER (6TB) 53
Removal And Installation 53
Parts Identification 55
Disassembly 56
Assembly 59
ARM CYLINDER (7TB AND 8TB) 65
Removal And Installation 65
Parts Identification 67
Disassembly And Assembly 68
BOOM CYLINDER (6TB) 69
Removal And Installation 69
Parts Identification 72
Disassembly And Assembly 73
BOOM CYLINDER (7TB AND 8TB) 75
Removal And Installation 75
Parts Identification 77
Disassembly And Assembly 78
BUCKET CYLINDER (6TB) 79
Removal And Installation 79
Parts Identification 81
Disassembly And Assembly 82
BUCKET CYLINDER (7TB AND 8TB) 83
Removal And Installation 83
Parts Identification 84
Disassembly And Assembly 85
STABILIZER CYLINDER 87
Removal And Installation 87
Parts Identification (6TB) 89
Parts Identification (7TB And 8TB) 90
Disassembly And Assembly 91
SWING CYLINDER (6TB) 93
Removal And Installation 93
Parts Identification 95
Disassembly And Assembly 96
SWING CYLINDER (7TB AND 8TB) 97
Removal And Installation 97
Parts Identification 99
Disassembly And Assembly 100
MAINFRAME 101
ARM (6TB) 103
Removal And Installation 103
ARM (7TB AND 8TB) 105
Removal And Installation 105
BOOM (6TB) 107
Removal And Installation 107
BOOM (7TB AND 8TB) 109
Removal And Installation 109
BUCKET 111
Removal And Installation 111
STABILIZER 113
Removal And Installation 113
SWING BRACKET (6TB) 115
Removal And Installation 115
SWING BRACKET (7TB AND 8TB) 117
Removal And Installation 117
SPECIFICATIONS 121
(6TB) TRACTOR BACKHOE SPECIFICATIONS 123
Dimensions 123
Performance 124
Controls 124
Hydraulic System 124
(7TB) TRACTOR BACKHOE SPECIFICATIONS 125
Dimensions 125
Performance 126
Controls 126
Hydraulic System 126
(8TB) TRACTOR BACKHOE SPECIFICATIONS 127
Dimensions 127
Performance 128
Controls 128
Hydraulic System 128
SCHEMATIC(S) 129
Hydraulic Schematic (6TB S/N A91400532 & Below) 129
Hydraulic Schematic (6TB S/N A91400533 & Above, 7TB S/N AE3H00101 & Above) 130
Hydraulic Schematic (8TB S/N AE3L00101 & Above) 132
TORQUE SPECIFICATIONS FOR BOLTS 135
Torque For General SAE Bolts 135
Torque For General Metric Bolts 136
HYDRAULIC CONNECTION SPECIFICATIONS 137
O-ring Face Seal Connection 137
Straight Thread O-ring Fitting 137
Tubelines And Hoses 137
Flare Fitting 138
Port Seal Fitting 138
ALPHABETICAL INDEX 141
SERVICE MANUAL REVISION 143
Revision No: Tractor Backhoe – 1 143
Revision No: Tractor Backhoe – 2 145
Revision No: Tractor Backhoe – 3 147
Revision No: Tractor Backhoe – 4 149

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