TIGERCAT 845B FELLER BUNCHER SERVICE MANUAL – PDF DOWNLOAD

Description

TIGERCAT 845B FELLER BUNCHER SERVICE MANUAL – PDF DOWNLOAD

DESCRIPTION:

TIGERCAT 845B 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 845B Feller Buncher.
Serial number 8450501 to 8451499.

The operator’s manual will assist the operator with the techniques of proper and safe operation of the
845B 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.
The phrase “and up” appearing in this manual after the serial number implies that the related information
is current for any machine serial number HIGHER than the serial number preceding the “and up”.
Tigercat reserves the right to make changes to the machine after this manual release date that may not
immediately appear in this manual.

TABLE OF CONTENTS:

TIGERCAT 845B FELLER BUNCHER SERVICE MANUAL – PDF DOWNLOAD

845B SERVICE ISSUE 41 1
INTRODUCTION 3
NON-APPROVED FIELD PRODUCT CHANGES 4
SECTION 1 – SAFETY 5
BATTERY DISCONNECT SWITCH 13
CAB EXITS 10
COOLING SYSTEM 15
EMERGENCY CAB EXITS 10
ENGINE DOORS 15
ER BOOM SYSTEM 16
EXHAUST FUMES 16
FELLING TREES 13
FIRE PREVENTION 5
FIRE PREVENTION GUIDELINES 18
WHAT ELSE TO DO BEFORE YOU EXPERIENCE A FIRE 19
WHAT TO DO AFTER A FIRE 20
WHAT TO DO IN CASE OF A MACHINE FIRE 19
FIRST AID 8
FLUID LEAKS 14
HYDRAULIC PRESSURE HAZARD 15
LOOSE CLOTHING HAZARD 15
PARKING HAZARDS 13
PROTECTIVE CLOTHING 7
SAFETY INTERLOCK SWITCHES ON LEFT ARM REST 11
SAFETY PRECAUTIONS, GENERAL 7
SAFETY PRECAUTIONS, OPERATING 10
SAFETY PRECAUTIONS, SERVICING 14
SAFETY SYMBOLS 6
SIGNAL WORDS 6
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
AIR CLEANER MAINTENANCE 37
AIR CLEANER 56
IMPROPER SERVICING 58
AIR CLEANER UNLOADER VALVE 56
ENGINE AIR PRECLEANER 56
FILTER RESTRICTION INDICATOR 57
INTAKE TUBING AND JOINTS 57
AIR CONDITIONING SYSTEM 37
A/C SYSTEM TOTAL CAPACITIES 47
CHECKING SYSTEM 46
EMERGENCY EXITS, CHECK MONTHLY 39
ENGINE AIR CLEANER MAINTENANCE 56
FILTER AND LUBRICATION SCHEDULE 43
FILTERS 37
CASE DRAIN, SAW 52
FUEL FILTER/WATER SEPARATOR 48
FUEL TANK STRAINER 49
HYDRAULIC OIL IN-TANK RETURN FILTERS 53
HYDRAULIC OIL PRE-FILL FILTER 52
PILOT FILTER 51
SERVICING GUIDELINES FOR OIL FILTERS 50
FIRE PREVENTION, Also See SECTION 1, SAFETY 39
GENERAL MAINTENANCE 39
HYDRAULIC OIL RESERVOIR 37
CHANGING HYDRAULIC OIL FILTERS 53
CHANGING HYDRAULIC OIL STRAINERS 54
HYDRAULIC OILS 44
LUBRICATION SCHEDULE 43
NEW MACHINE MAINTENANCE 38
FIRST 50-100 HOUR INSPECTION AND SERVICE REPORT 38
INITIAL PRE-DELIVERY INSPECTION 38
TIGHTENING POINTS 38
OIL LOST FROM LEAKAGE 38
PRESSURE SETTING PROCEDURES See SERVICE MANUAL 37
PRESSURE SETTING VALUES See SERVICE MANUAL 37
PREVENTIVE MAINTENANCE SCHEDULE 38
SCHEDULED MAINTENANCE 37
FREQUENTLY 40
8 HOURS 40
24 HOURS 40
125 HOURS 41
250 HOURS 41
500 HOURS 42
1000 HOURS 42
2000 HOURS 42
3000 HOURS 42
SWING DRIVE GEARBOX LUBRICATION 46
TORQUE CHART, GENERAL 61
TORQUE SETTINGS, RECOMMENDED 60
SECTION 4 – HYDRAULIC SYSTEM 63
HIGH PRESSURE LIMITING CONTROL VALVE 63
SET LOAD SENSE RELIEF VALVE 88
HYDRAULIC OIL RESERVOIR 63
PRESSURE REGULATOR SET-UP PROCEDURE 68
HYDRAULIC OIL TANK 63
DESCRIPTION 66
HYDRAULIC PUMPS 63
MAIN PUMP 70
MAIN PUMP CONTROL VALVE 87
MAIN PUMP WEAR TEST 71
PUMP ASSEMBLY 70
SAW PUMP 71
WRIST AND CLAMPS PUMP 71
HYDRAULIC SYSTEM OPERATION 63
BOOM CYLINDERS 64
CLAMP ARMS AND WRIST CIRCUIT 65
FILTER/STRAINER SERVICE 67
MAIN CIRCUIT DESCRIPTION 76
FLOW ON DEMAND AND LOAD COMPENSATION 76
MAIN HYDRAULIC CIRCUIT 76
MAIN HYDRAULIC SYSTEM 64
MARGIN PRESSURE 71
OIL COOLER BY-PASS VALVE 76
PILOT CIRCUIT 65
SAW CIRCUIT 65
SWING SYSTEM 64
TRACK DRIVE SYSTEM 64
WRIST AND CLAMP ARMS CIRCUIT 65
LOAD SENSING 63
BASIC DESCRIPTION 63
CLOSED CENTRE SYSTEM 74
OPEN CENTRE SYSTEM 73
BASIC PRINCIPALS 72
MARGIN PRESSURE 71
MARGIN PRESSURE, SET 87
OPERATING TIPS WITH LOAD SENSING 75
SET LOAD SENSE RELIEF VALVE 88
SET MARGIN PRESSURE 87
MAIN CONTROL VALVE/MANIFOLD 63
BOOM FUNCTIONS SPOOL SECTIONS 78
CONTROL VALVE SECTIONS 78
CONTROL VALVE SPOOL OPERATION 81
DESCRIPTION 78
DRIVE MOTOR SPOOL SECTIONS 78
HIGH PRESSURE LIMITING CONTROL VALVE 86
PORT RELIEF AND ANTICAVITATION VALVE 80
ADJUSTING PROCEDURE 80
PRESSURE SETTINGS 63
“STANDARD” SETTINGS LESS ATTACHMENT HEAD 91
WITH H845B LOGMAX ATTACHMENT 90
WITH Tigercat DISC SAW FELLING HEAD 89
SCHEMATIC DIAGRAMS 63
LOAD SENSING (FLOW ON DEMAND) 72
LOAD SENSING SYSTEM CIRCUIT DIAGRAM 77
MAIN PUMP SCHEMATIC 70
MAIN VALVE WITH HIGH PRESS LIMITING CONTROL 78
SECTION 5 – PILOT SYSTEM 93
ACCUMULATOR 93
CHARGING 102
CHECK PRE-CHARGE PRESSURE 102
GENERAL DESCRIPTION 97
TESTING DEVICE 102
CIRCUIT dESCRIPTION 99
CIRCUIT DIAGRAM 100
ELECTRICAL CIRCUIT 98
PILOT SUPPLY MANIFOLD 96
PILOT SYSTEM COMPONENTS 94
ACCUMULATOR 97
HIGH PRESSURE FILTER 95
JOYSTICKS AND FOOT PEDALS 98
PILOT MANIFOLD 96
PILOT SUPPLY VALVE 95
PRESSURE SETTINGS 101
SECTION 6 – ELECTRICAL, GAUGES AND ALARMS103
ELECTRICAL SCHEMATIC DIAGRAM (EARLIER MACHINES) 104
ELECTRICAL SCHEMATIC DIAGRAM (LATER MACHINES) 108
GAUGES AND ALARMS 111
CHART 111
SWITCH AND SENSOR LOCATIONS 112
wire colour code chart 106
SECTION 7 – ENGINE START AND STOP115
CIRCUIT DESCRIPTION 116
ENGINE START CIRCUIT 116
SCHEMATIC DIAGRAM115
START CIRCUIT – AT REST 117
START CIRCUIT – BATTERY DISCONNECT SWITCH ‘ON’ 117
START CIRCUIT – RUN 118
START CIRCUIT – RUN, PILOT RESET SWITCH ‘OFF’ 119
START CIRCUIT – RUN, PILOT RESET SWITCH ‘ON’ 119
START CIRCUIT – START 118
SECTION 9 – ENGINE ANTI-STALL121
CONTROL MODULE IN CAB 122
CONTROL MODULE PIN CONNECTIONS 124
ENGINE ANTI-STALL CURVE 124
FAULT FINDING procedure ~ Anti-stall Quick Check 125
FAULT FINDING procedures, additional 126
HORSEPOWER LIMITING CONTROL 122
GENERAL DESCRIPTION 122
LOAD SENSE; SET MARGIN PRESSURE See SECTION 4121
MAIN PUMP CONTROLLER (LS CONTROL) 122
PILOT PRESSURE, SET See SECTION 5121
SCHEMATIC DIAGRAMS121
ENGINE ANTI-STALL CIRCUIT DIAGRAM 125
LOAD SENSING SYSTEM CIRCUIT DIAGRAM 123
SPEED SENSOR, ADJUSTING 124
SPEED SENSOR ON ENGINE 122
verify ANTI-STALL SETTING See SECTION 4121
SECTION 11 – TRACK DRIVE129
DRIVE COMPONENTS, ASSEMBLY 130
DRIVE MOTOR129
BRAKE CIRCUIT DESCRIPTION 135
DESCRIPTION 133
SET MOTOR MAXIMUM DISPL 146
START-UP PROCEDURE 136
DRIVE MOTOR AND GEARBOX ASSEMBLY 131
HYDROSTATIC DRIVE SYSTEM 130
PRESSURE SETTINGS, DRIVE SYSTEM 140
BEGIN OF REGULATION, SET, FOR DRIVE MOTOR AQ019 143
BRAKE RELEASE PRESSURE ON DRIVE MOTOR AQ019 143
CROSSOVER RELIEF VALVES FOR DRIVE MOTOR AQ007 140
CROSSOVER RELIEF VALVES, FOR DRIVE MOTOR AQ019 142
DRIVE SPEED CHANGE VALVE, FOR DRIVE MOTOR AQ007 141
SCHEMATIC DIAGRAMS129
DRIVE CIRCUIT DIAGRAM WITH AQ007 MOTOR 138
DRIVE CIRCUIT DIAGRAM WITH AQ019 MOTOR 139
DRIVE MOTOR (AQ007) 132
DRIVE MOTOR (AQ019) 132
TRACK COMPONENTS129
BOTTOM ROLLER RETAINING BOLTS 152
IMPORTANT TRACK DRIVE NOTES 130
NEW MACHINE 130
STRAIGHT TRAVEL 130
TRACK SAG 130
MEASURING TRACK SAG 150
TRACK SAG ADJUSTMENT 151
OPERATING THE MACHINE 150
TORQUING UNDERCARRIAGE BOLTS 151
TRACK SHOE RETAINING BOLTS 151
WEAR LIMITS129
BOTTOM ROLLER WEAR 153
BUSHING WEAR, OUTSIDE DIAMETER 153
IDLER WEAR 154
PIN AND BUSHING WEAR 153
TRACK LINK WEAR 152
TRACK SHOE GROUSER HEIGHT WEAR 152
TRACK SLIDE WEAR 154
TRACK DRIVE NOTES, IMPORTANT129
NEW MACHINE 130
STRAIGHT TRAVEL 130
TRACK SAG 130
TRACK SPEED SET-UP129
ADJUSTMENTS SEQUENCE 144
SET MOTOR MAXIMUM DISPLACEMENT 146
SET TRACK SPEED 145
FAST FORWARD (MOTOR MIN DISPL) 148
FAST REVERSE (VALVE FLOW SETTING) 148
LEFT TRACK ADJUSTMENT 145
MOTOR MAXIMUM DISPLACEMENT 146
RIGHT TRACK ADJUSTMENT 149
SLOW FORWARD (VALVE FLOW SETTING) 147
SECTION 12 – BOOM FUNCTIONS155
ADJUST OIL FLOW TO CYLINDERS (CYLINDER CYCLE TIMES 162
BOOM CONTROL VALVE 157
BOOM SYSTEM DESCRIPTION 156
‘ER’ BOOM SYSTEM 156
CIRCUIT SCHEMATIC 158
CYLINDER CYCLE TIMES, TYPICAL 163
ENGINE ANTI-STALL 157
Load sensing 157
SET MAIN BOOM, STICK AND TILT PORT RELIEF VALVES 160
TILT CYLINDER (ROD END) FLOW ADJUSTMENT 164
TILT CYLINDER FLOW ADJUSTMENT 157
SECTION 15 – SWING165
ADJUST OIL FLOW TO SWING MOTOR(SWING MOTOR SPEED) 169
LUBRICATE GEARBOX LOWER BEARINGS 168
SCHEMATIC DIAGRAMS165
SWING CIRCUIT SCHEMATIC 167
SWING DRIVE MOTOR SCHEMATIC 166
SET SWING MOTOR SPEED 169
SWING BEARING WEAR LIMITS 173
SWING DRIVE165
SWING HYDRAULICS 166
SET CROSSLINE RELIEF VALVES 168
SWING DRIVE GEARBOX165
BEARING HOUSING DESIGN VARIATIONS 172
LUBRICATION OF LOWER BEARINGS 168
SUN GEAR INSTALLATION 171
SWING MOTOR REMOVAL from GEARBOX 170
SECTION 17 – SAW DRIVE175
CIRCUIT DESCRIPTION 180
CIRCUIT DIAGRAM (LATER MACHINES) 184
CIRCUIT DIAGRAM EARLIER MACHINES) 183
FELLING HEAD See ORIGINAL MANUFACTURERS MANUAL175
FILTER, CASE DRAIN 177
PRESSURE SETTINGS 181
SAW CONTROL VALVES175
main SAW CONTROL VALVE 178
main saw CONTROL valve OPERATING DESCRIPTION 178
saw pilot valve 178
SAW PUMP 176
pressure compensator VALVE 181
SECTION 18 – TREE CLAMPS AND WRIST185
CIRCUIT DESCRIPTION 192
CIRCUIT DIAGRAM (EARLIER MACHINES) 194
CIRCUIT DIAGRAM (LATER MACHINES) 195
control valve 188
Pressure settings 196
Air in pilot end caps 196
PUMP:- WRIST, TREE CLAMP AND ACCUMULATING ARMS 186
RELIEF VALVE, ANTI-CAVITATION 190
RELIEF VALVE ADJUSTING PROCEDURE 191
WRIST, 30°, 110° and 340° 186

IMAGES PREVIEW OF THE MANUAL:

TIGERCAT 845B FELLER BUNCHER SERVICE MANUAL – PDF DOWNLOAD:

PLEASE NOTE:

• This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
• Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.

S.V