Technical Service Manual for Tigercat 845B Feller Buncher

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 4.1………………………………… 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 ALARMS………………..103
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 STOP……………………….115
CIRCUIT DESCRIPTION ……………………………….116
ENGINE START CIRCUIT ………………………………116
SCHEMATIC DIAGRAM………………………………….115
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-STALL…………………………..121
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 4…………121
MAIN PUMP CONTROLLER (LS CONTROL) …………………..122
PILOT PRESSURE, SET See SECTION 5……………………121
SCHEMATIC DIAGRAMS…………………………………121
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 4………………121
SECTION 11 – TRACK DRIVE……………………………….129
DRIVE COMPONENTS, ASSEMBLY …………………………130
DRIVE MOTOR……………………………………….129
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 DIAGRAMS…………………………………129
DRIVE CIRCUIT DIAGRAM WITH AQ007 MOTOR …………..138
DRIVE CIRCUIT DIAGRAM WITH AQ019 MOTOR …………..139
DRIVE MOTOR (AQ007) ……………………………132
DRIVE MOTOR (AQ019) ……………………………132
TRACK COMPONENTS…………………………………..129
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 LIMITS……………………………………129
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, IMPORTANT………………………..129
NEW MACHINE …………………………………..130
STRAIGHT TRAVEL ……………………………….130
TRACK SAG …………………………………….130
TRACK SPEED SET-UP…………………………………129
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 FUNCTIONS…………………………….155
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 – SWING…………………………………….165
ADJUST OIL FLOW TO SWING MOTOR(SWING MOTOR SPEED) …….169
LUBRICATE GEARBOX LOWER BEARINGS ……………………168
SCHEMATIC DIAGRAMS…………………………………165
SWING CIRCUIT SCHEMATIC ………………………..167
SWING DRIVE MOTOR SCHEMATIC …………………….166
SET SWING MOTOR SPEED ……………………………..169
SWING BEARING WEAR LIMITS ………………………….173
SWING DRIVE……………………………………….165
SWING HYDRAULICS ………………………………166
SET CROSSLINE RELIEF VALVES …………………168
SWING DRIVE GEARBOX………………………………..165
BEARING HOUSING DESIGN VARIATIONS ……………….172
LUBRICATION OF LOWER BEARINGS …………………..168
SUN GEAR INSTALLATION ………………………….171
SWING MOTOR REMOVAL from GEARBOX ……………………170
SECTION 17 – SAW DRIVE…………………………………175
CIRCUIT DESCRIPTION ……………………………….180
CIRCUIT DIAGRAM (LATER MACHINES) ……………………184
CIRCUIT DIAGRAM EARLIER MACHINES) …………………..183
FELLING HEAD. See ORIGINAL MANUFACTURERS MANUAL……….175
FILTER, CASE DRAIN ………………………………..177
PRESSURE SETTINGS …………………………………181
SAW CONTROL VALVES…………………………………175
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 WRIST………………………185
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

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TIGERCAT 845B FELLER BUNCHER SERVICE MANUAL – PDF DOWNLOAD:

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