Tigercat 726B Feller Buncher Service Manual – PDF DOWNLOAD
DESCRIPTION:
Tigercat 726B Feller Buncher Service Manual – PDF DOWNLOAD
INTRODUCTION :
An Operator’s manual, Service manual and a Parts catalog are made available by Tigercat to assist the dealer, customer and operator in becoming familiar with the features of the 726B Feller Buncher serial number 7261001 and up. The operator’s manual will assist the operator with the techniques of proper and safe operation of the 726B Feller Buncher. There is also important information regarding the safe operation of the saw head.
- The service manual contains safety and servicing procedures and a preventive maintenance schedule to ensure optimum machine performance. Section 1 in both the operator’s manual and the service manual contains safety information that must be followed.
- As well, throughout the rest of the manuals, WARNING and CAUTION notices are displayed where necessary, drawing attention to possible hazards when performing certain procedures.
- Only trained personnel should be allowed to operate or work on the machine. The information contained in this manual is current at time of printing. Improvements to the machine are on-going and may not be covered, therefore in these cases contact your Tigercat dealer for the appropriate information.
TABLE OF CONTENTS:
Tigercat 726B Feller Buncher Service Manual – PDF DOWNLOAD
726B SERVICE – ISSUE 22 1
INTRODUCTION 3
SAE STANDARDS 4
NON-APPROVED FIELD PRODUCT CHANGES 5
SECTION 1 – SAFETY 7
ARTICULATION LOCK PIN 15
boom lift lock 16
FIRE PREVENTION 7
FIRE PREVENTION GUIDELINES 17
WHAT ELSE TO DO BEFORE YOU EXPERIENCE A FIRE 18
WHAT TO DO AFTER A FIRE 19
WHAT TO DO IN CASE OF A MACHINE FIRE 18
INTERLOCK SWITCHES ON DOORS 13
parking the machine 12
SAFETY PRECAUTIONS, GENERAL 9
SAFETY PRECAUTIONS, OPERATING 11
SAFETY PRECAUTIONS, SERVICING 14
SAFETY SYMBOLS 8
APPENDIX – USING HIGH SPEED DISC SAWS SAFELY 21
Comments and instructions 21
Direction of throw 27
High angle wrist rotation ability 28
Recognizing the Dangers 27
Throwing long wood pieces 30
Dangers 23
forward 22
Be aware of the hazards 22
Other instructions 23
Safe practices 23
Several types of heads involved 22
Stored energy 22
HIGH ANGLE WRIST ROTATION CAPABILITY 29
Saw Head Don’ts 35
Type of Housing makes a Difference 24
SECTION 3 – LUBRICATION & MAINTENANCE 37
checking the AIR CONDITIONING SYSTEM 50
FILTERS 37
FUEL FILTER/WATER SEPARATOR 46
FUEL TANK STRAINER 46
HYDRAULIC OIL RETURN FILTERS 47
HYDROSTATIC CHARGE PUMP PRESSURE FILTER 47
GENERAL MAINTENANCE 39
HYDRAULIC OILS 43
NEW MACHINE MAINTENANCE 37
FIRST 50-100 HOUR INSPECTION AND SERVICE REPORT 38
INITIAL PRE-DELIVERY INSPECTION 38
TIGHTENING POINTS 38
PRESSURE SETTINGS WITH 37
18″ SAW, KOEHRING WATEROUS 57
20″ SAW, KOEHRING WATEROUS 58
BUNCHING SHEAR, TIGERCAT 54
DW5000 (19″) Tigercat BUNCHING SAW 55
DW5600 (22″) Tigercat BUNCHING SAW 56
SCHEDULED MAINTENANCE 37
1000 HOURS 42
125 HOURS 41
2000 HOURS 42
250 HOURS 41
500 HOURS 42
8 HOURS 40
FREQUENTLY 40
SEASONAL 43
SERVICE AND LUBRICATION POINTS CHART 45
STARTUP PROCEDURE AFTER MAJOR MACHINE MAINTENANCE 48
TORQUE CHART 52
TORQUE CHART, GENERAL 53
WHEELS, INSTALLING 38
SECTION 5 – PILOT SYSTEM 59
ACCUMULATOR CHARGE VALVE 60
exploded view 62
Operating description 61
REPLACE FILTER 62
SCHEMATIC 61
ACCUMULATORS 62
BRAKE ACCUMULATOR 63
CHARGING 63
CHECK PRE-CHARGE PRESSURE 63
PILOT ACCUMULATOR 63
releasing pressure 60
TESTING DEVICE 63
COMPONENTS 60
PILOT CIRCUIT DESCRIPTION 67
PILOT CIRCUIT DIAGRAM 66
PILOT MANIFOLD 65
ASSEMBLY DIAGRAM 64
OPERATING DESCRIPTION 65
PILOT SHUT OFF 65
PILOT PRESSURE SETTINGS 67
Release pilot system pressure 60
SECTION 6 – ELECTRICAL, GAUGES AND ALARMS 69
ELECTRICAL SCHEMATIC 69
EARLIER MACHINES 70
LATER MACHINES 72
GAUGES AND ALARMS 76
INSTRUMENT PANEL WIRING DIAGRAM 75
RELAYS AND FUSES 74
SENSOR DETAILS 76
sensor locations 77
troubleshooting and testing 76
wire colour code chart 74
SECTION 7 – ENGINE 79
CIRCUIT DESCRIPTION 79
EARLIER MACHINES 80
LATER MACHINES 81
COOLING SYSTEM 79
COOLANT FLOW DIAGRAM 86
COOLANT FLOW DURING OPERATION 86
FILLING THE SYSTEM WITH COOLANT 86
fuel control valve 81
FUSES 81
PARKING BRAKE 80
PRECLEANER 87
operation 87
SERVICE 87
RELAYS AND FUSES 81
START CIRCUIT DIAGRAM (EARLIER MACHINES) 79
AT REST 82
RUN AND DRIVE 83
RUN, NO DRIVE 83
START 82
START CIRCUIT DIAGRAMS (LATER MACHINES) 79
AT REST 84
RUN AND DRIVE 85
RUN, NO DRIVE 85
START 84
starting system DESCRIPTION 80
TACHOMETER SET-UP 86
SECTION 8 – DRIVE 89
AXLES106
BRAKE BLEEDING 107
BRAKE LINING INSPECTION 107
DIAGRAM – REAR axle 106
DIFFERENTIAL LOCKS 107
draining the axles 108
filling the axles 108
LUBRICATION 106
OIL capacities 108
PLANETARY FINAL DRIVE 106
SERVICE BRAKES 107
circuit description 90
CIRCUIT DIAGRAM 91
DRIVE MOTOR SCREW ADJUSTMENTS 101
DRIVE PREVENT VALVE 96
DRIVE PUMP PRESSURE SETTINGS 98
FOOT CONTROL VALVE 96
FRONT DRIVE SHAFT104
DIAGRAM 105
INSTALLATION IN TO MACHINE 104
PILLOW BLOCK BEARING 104
hydraulic system – closed loop 90
HYDROSTATIC DRIVE MOTOR 89
description 94
SCHEMATIC 95
“X” DIMENSION 100
HYDROSTATIC DRIVE PUMP 89
description 92
DIAGRAM 93
SCHEMATIC 93
PRESSURE SETTINGS 98
DRIVE MOTOR 100
DRIVE PUMP 98
TEST DRIVE 97
TRANSMISSION 89
shift cable adjustment 103
SHIFTER 103
WHEEL INSTALLATION 108
SECTION 9 – BRAKES AND DIFFERENTIAL LOCKS109
BRAKES109
CIRCUIT DESCRIPTION 110
CIRCUIT DIAGRAM 111
FOOT CONTROL VALVE 110
DIFFERENTIAL LOCKS109
CIRCUIT DESCRIPTION 110
CIRCUIT DIAGRAM 111
PARKING BRAKE112
ADJUSTMENT 112
lining replacement 113
SERIAL NUMBER 7261001 TO 7261094 114
SERIAL NUMBER 7261095 AND UP 114
SECTION 10 – OIL COOLER115
CIRCUIT DESCRIPTION 116
CIRCUIT DIAGRAM 117
CLEANING See OPERATOR’S MANUAL115
OIL COOLER OPERATION 116
SECTION 11- STEERING & CENTER JOINT119
center joint126
adjustment 126
checking 126
diagram 127
grease seals 127
lubrication 126
maintenance 126
CIRCUIT DESCRIPTION 123
CIRCUIT DIAGRAM 124
JOYSTICK CONTROL VALVE 122
OPERATING DESCRIPTION 123
Pressure Settings 125
RELIEF VALVE 122
safety 125
STEER CONTROL VALVES121
JOYSTICK 122
MAIN VALVE 121
MAIN VALVE CROSS SECTION 121
RELIEF VALVE 122
STEER/BOOM PUMP 120
SECTION 12 – LIFT BOOM129
BOOM CONTROL VALVE129
ASSEMBLY PROCEDURE 133
CROSS SECTION OF SPOOL SECTION 131
OPERATING DESCRIPTION 131
RELIEF VALVES See SECTION 18 – CLAMPS WITH SAW129
JOYSTICK CONTROL VALVE 130
LIFT CIRCUIT DESCRIPTION 131
PRESSURE SETTINGS 134
PUMP, DESCRIPTION129
BOOM, CLAMPS & STEER See SECTION 11 – STEERING129
safety 134
SECTION 13 – TILT137
BOOM CONTROL VALVE137
BUNCHING SHEAR INSTALLATIONS 138
CIRCUIT DESCRIPTION 138
CIRCUIT DIAGRAM139
CONTROL VALVES 138
Pressure settings 140
safety 140
SECTION 17 – SAW DRIVE141
CIRCUIT DESCRIPTION 144
CIRCUIT DIAGRAM 145
PRESSURE SETTINGS 146
safety 146
SAW CONTROL VALVES141
Main 143
PILOT 142
SAW MOTOR See SAW MANUFACTURER’S MANUAL141
SAW PUMP141
POR VALVE 147
TEST PORT 147
SECTION 18 – CLAMPS WITH SAW149
CIRCUIT DESCRIPTION 154
CIRCUIT DIAGRAM 156
CONTROL VALVES 150
PILOT LINE PRESSURES See SECTION 5 – PILOT SYSTEM149
Pressure settings 154
RELIEF VALVES152
ADJUSTING PROCEDURE 153
Operation 152
SPOOL SECTION DIAGRAM 151
SECTION 19 – SHEAR WITH CLAMPS157
CIRCUIT DESCRIPTION 160
CIRCUIT DIAGRAM 161
CONTROL VALVES 158
foot operated pilot valve See SECTION 8 – DRIVE157
main shear and clamps valve157
DIAGRAM 158
OPERATING DESCRIPTION 159
SPOOL SECTION 159
Pressure settings 162
safety 162
SHEAR PUMP157
POR VALVE 163
TEST PORT 163
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