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 2.2……………………………… 1
INTRODUCTION…………………………………….. 3
S.A.E. 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 P.UMP 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
AXLES……………………………………………106
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 SHAFT…………………………………104
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 LOCKS……………….109
BRAKES…………………………………………..109
CIRCUIT DESCRIPTION …………………………..110
CIRCUIT DIAGRAM ………………………………111
FOOT CONTROL VALVE ……………………………110
DIFFERENTIAL LOCKS………………………………..109
CIRCUIT DESCRIPTION …………………………..110
CIRCUIT DIAGRAM ………………………………111
PARKING BRAKE…………………………………….112
ADJUSTMENT …………………………………..112
lining replacement ……………………………113
SERIAL NUMBER 7261001 TO 7261094 ……………….114
SERIAL NUMBER 7261095 AND UP …………………..114
SECTION 10 – OIL COOLER……………………………….115
CIRCUIT DESCRIPTION ………………………………116
CIRCUIT DIAGRAM ………………………………….117
CLEANING. See OPERATOR’S MANUAL…………………….115
OIL COOLER OPERATION ……………………………..116
SECTION 11- STEERING & CENTER JOINT…………………….119
center joint……………………………………..126
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 VALVES………………………………121
JOYSTICK …………………………………….122
MAIN VALVE …………………………………..121
MAIN VALVE CROSS SECTION ………………………121
RELIEF VALVE …………………………………122
STEER/BOOM PUMP ………………………………….120
SECTION 12 – LIFT BOOM………………………………..129
BOOM CONTROL VALVE………………………………..129
ASSEMBLY PROCEDURE ……………………………133
CROSS SECTION OF SPOOL SECTION …………………131
OPERATING DESCRIPTION …………………………131
RELIEF VALVES. See SECTION 18 – CLAMPS WITH SAW…..129
JOYSTICK CONTROL VALVE ……………………………130
LIFT CIRCUIT DESCRIPTION ………………………….131
PRESSURE SETTINGS ………………………………..134
PUMP, DESCRIPTION…………………………………129
BOOM, CLAMPS & STEER. See SECTION 11 – STEERING…..129
safety ………………………………………….134
SECTION 13 – TILT…………………………………….137
BOOM CONTROL VALVE………………………………..137
BUNCHING SHEAR INSTALLATIONS …………………..138
CIRCUIT DESCRIPTION ………………………………138
CIRCUIT DIAGRAM…………………………………..139
CONTROL VALVES …………………………………..138
Pressure settings ………………………………..140
safety ………………………………………….140
SECTION 17 – SAW DRIVE………………………………..141
CIRCUIT DESCRIPTION ………………………………144
CIRCUIT DIAGRAM ………………………………….145
PRESSURE SETTINGS ………………………………..146
safety ………………………………………….146
SAW CONTROL VALVES………………………………..141
Main ………………………………………..143
PILOT ……………………………………….142
SAW MOTOR. See SAW MANUFACTURER’S MANUAL…………….141
SAW PUMP…………………………………………141
P.O.R. VALVE …………………………………147
TEST PORT ……………………………………147
SECTION 18 – CLAMPS WITH SAW…………………………..149
CIRCUIT DESCRIPTION ………………………………154
CIRCUIT DIAGRAM ………………………………….156
CONTROL VALVES …………………………………..150
PILOT LINE PRESSURES. See SECTION 5 – PILOT SYSTEM……149
Pressure settings ………………………………..154
RELIEF VALVES…………………………………….152
ADJUSTING PROCEDURE …………………………..153
Operation ……………………………………152
SPOOL SECTION DIAGRAM …………………………….151
SECTION 19 – SHEAR WITH CLAMPS…………………………157
CIRCUIT DESCRIPTION ………………………………160
CIRCUIT DIAGRAM ………………………………….161
CONTROL VALVES …………………………………..158
foot operated pilot valve. See SECTION 8 – DRIVE……..157
main shear and clamps valve………………………..157
DIAGRAM ……………………………………..158
OPERATING DESCRIPTION …………………………159
SPOOL SECTION ………………………………..159
Pressure settings ………………………………..162
safety ………………………………………….162
SHEAR PUMP……………………………………….157
P.O.R. VALVE …………………………………163
TEST PORT ……………………………………163
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PLEASE NOTE:
- This is the SAME exact manual used by your dealers to fix your vehicle.
- The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
- Any queries / doubts regarding your purchase, please feel free to contact [email protected]
S.V