Tigercat 720D FELLER BUNCHER Service Manual – PDF DOWNLOAD

Description

Tigercat 720D FELLER BUNCHER Service Manual – PDF DOWNLOAD

DESCRIPTION:

Tigercat 720D 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 720D Feller Buncher serial
  number 7203861 and up.
  The operator’s manual will assist the operator with the techniques of proper and safe operation of the
  720D 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 720D FELLER BUNCHER Service Manual – PDF DOWNLOAD

720D SERVICE ISSUE 1.0……………………………….. 1
INTRODUCTION…………………………………….. 3
S.A.E. STANDARDS…………………………………. 4
NON-APPROVED FIELD PRODUCT CHANGES…………………. 5
SECTION 1 – SAFETY…………………………………… 7
BOOM LIFT LOCK ………………………………….. 18
ENGINE ACCESS PANELS …………………………….. 16
FELLING TREES …………………………………… 13
FIRE PREVENTION …………………………………. 20
FIRE PREVENTION GUIDELINES ……………………. 20
WHAT ELSE TO DO BEFORE YOU EXPERIENCE A FIRE ……. 21
WHAT TO DO AFTER A FIRE ………………………. 22
WHAT TO DO IN CASE OF A MACHINE FIRE …………… 21
PARKING THE MACHINE ……………………………… 14
SAFETY INTERLOCK SWITCHES ON CAB DOORS …………….. 15
SAFETY PRECAUTIONS, GENERAL ………………………. 9
SAFETY PRECAUTIONS, OPERATING …………………….. 12
SAFETY PRECAUTIONS, SERVICING …………………….. 16
SAFETY SYMBOLS ………………………………….. 8
VEHICLE MOVING INSTRUCTIONS ………………………. 23
APPENDIX – USING HIGH SPEED DISC SAWS SAFELY……………. 25
COMMENTS AND INSTRUCTIONS…………………………. 25
DIRECTION OF THROW …………………………… 31
HIGH ANGLE WRIST ROTATION ABILITY ……………… 32
RECOGNIZING THE DANGERS ………………………. 31
THROWING LONG WOOD PIECES …………………….. 34
DANGERS ………………………………………… 27
FORWARD ………………………………………… 26
BE AWARE OF THE HAZARDS ………………………. 26
OTHER INSTRUCTIONS …………………………… 27
SAFE PRACTICES ………………………………. 27
SEVERAL TYPES OF HEADS INVOLVED ……………….. 26
STORED ENERGY ……………………………….. 26
HIGH ANGLE WRIST ROTATION CAPABILITY ………………. 33
SAW HEAD DON’TS …………………………………. 39
TYPE OF HOUSING MAKES A DIFFERENCE ………………… 28
SECTION 3 – LUBRICATION & MAINTENANCE………………….. 41
AIR CLEANER MAINTENANCE ………………………….. 54
AIR CONDITIONING SYSTEM, CHECKING …………………. 58
APPROVED HYDRAULIC OILS ………………………….. 47
BELT, ENGINE SERPENTINE, REPLACING ………………… 63
CENTER JOINT…………………………………….. 59
LUBRICATION …………………………………. 59
MAINTENANCE …………………………………. 59
DRIVE SHAFT SPLINE LUBRICATION, MIDDLE AND REAR …….. 64
ELECTRICAL SCHEMATICS…………………………….. 41
SERIAL NO. 7203861 TO 7204050 …………………. 71
SERIAL NO. 7204051 AND UP …………………….. 74
EMERGENCY EXITS, CHECK MONTHLY ……………………. 43
ENGINE SERPENTINE BELT, REPLACING …………………. 63
FILTERS…………………………………………. 41
ENGINE AIR CLEANER …………………………… 54
FUEL FILTER/WATER SEPARATOR …………………… 50
FUEL TANK STRAINER …………………………… 51
HYDRAULIC OIL RETURN FILTERS ………………….. 52
HYDROSTATIC CHARGE PUMP PRESSURE FILTERS ………. 52
SERVICING GUIDELINES FOR OIL FILTERS …………… 53
FIRE PREVENTION …………………………………. 43
HYDRAULIC OILS ………………………………….. 47
NEW MACHINE MAINTENANCE…………………………… 41
FIRST 50-100 HOUR INSPECTION AND SERVICE REPORT …. 42
INITIAL PRE-DELIVERY INSPECTION ……………….. 42
TIGHTENING POINTS ……………………………. 42
OIL LOST FROM LEAKAGE ……………………………. 42
PRESSURIZED WATER SYSTEM MAINTENANCE ………………. 56
REPLACING THE ENGINE SERPENTINE BELT ………………. 63
SCHEDULED MAINTENANCE…………………………….. 41
GENERAL …………………………………….. 43
8 HOURS …………………………………….. 44
125 HOURS …………………………………… 45
250 HOURS …………………………………… 45
500 HOURS …………………………………… 46
1000 HOURS ………………………………….. 46
2000 HOURS ………………………………….. 46
SEASONAL ……………………………………. 47
SPEED CONTROL LEVER ADJUSTMENT ……………………. 66
STARTUP PROCEDURE AFTER MAINTENANCE ……………….. 60
TORQUE CHART ……………………………………. 67
TORQUE SPECIFICATIONS – GENERAL …………………… 69
TRANSMISSION, CHECK OIL LEVEL …………………….. 59
WHEELS, INSTALLING ………………………………. 42
SECTION 5 – PILOT SYSTEM……………………………… 77
ACCUMULATOR CHARGE VALVE …………………………. 78
OPERATING DESCRIPTION ………………………… 78
REPLACE FILTER ………………………………. 84
SCHEMATIC …………………………………… 78
ACCUMULATORS ……………………………………. 79
BRAKE ACCUMULATOR ……………………………. 79
CHARGING ……………………………………. 85
CHECK PRE-CHARGE PRESSURE …………………….. 85
PILOT ACCUMULATOR ……………………………. 79
TESTING DEVICE ………………………………. 85
COMPONENTS ……………………………………… 78
HYDRAULIC OIL HEATING PROCEDURE …………………… 87
PILOT CIRCUIT DESCRIPTION ………………………… 82
PILOT CIRCUIT SCHEMATIC ………………………….. 83
PILOT MANIFOLD ………………………………….. 80
ASSEMBLY DIAGRAM …………………………….. 81
OPERATING DESCRIPTION ………………………… 80
PILOT SHUT OFF ………………………………. 80
PILOT PRESSURE SETTINGS ………………………….. 86
RELEASE PILOT SYSTEM PRESSURE …………………….. 84
SECTION 6 – ELECTRICAL, GAUGES & ALARMS………………… 89
eLECTRICAL SCHEMATIC……………………………… 89
SHEET 1 OF 3 ………………………………… 90
SHEET 2 OF 3 ………………………………… 91
SHEET 3 OF 3 ………………………………… 92
FAN AUTO REVERSE CYCLE …………………………… 98
FUSE AND RELAY PANEL – CAB ……………………….. 98
FUSE AND RELAY PANEL – MAIN ………………………. 99
RELAYS AND WIRE CONNECTIONS ………………………. 97
SENSOR, SENDER LOCATIONS ………………………….101
WIRE COLOUR CODE CHART ……………………………102
WIRE CONNECTIONS – RELAYS ………………………… 97
SECTION 7 – ENGINE……………………………………105
CIRCUIT DESCRIPTION……………………………….105
CUMMINS ENGINE ……………………………….106
COOLING SYSTEM……………………………………105
COOLANT FLOW DIAGRAM ………………………….110
COOLANT FLOW DURING OPERATION ………………….110
FILLING THE SYSTEM WITH COOLANT ………………..110
PRECLEANER……………………………………….111
operation ……………………………………111
SERVICE ……………………………………..111
START CIRCUIT DIAGRAMS…………………………….105
AT REST ……………………………………..108
RUN AND DRIVE ………………………………..109
RUN, NO DRIVE ………………………………..109
START ……………………………………….108
Starting system DESCRIPTION ……………………….106
SECTION 9 – BRAKES AND DIFFERENTIAL LOCKS……………….159
AUXILIARY SET-UP CALIPER ………………………….162
BRAKES…………………………………………..159
BRAKE ACCUMULATOR …………………………….160
CIRCUIT DESCRIPTION …………………………..160
CIRCUIT DIAGRAM ………………………………161
FOOT CONTROL VALVE ……………………………160
DIFFERENTIAL LOCKS………………………………..159
CIRCUIT DESCRIPTION …………………………..160
CIRCUIT DIAGRAM ………………………………161
PARKING BRAKE ……………………………………162
AUXILIARY SET-UP CALIPER ………………………162
BRAKE CALIPER ASSEMBLY ………………………..164
CALIPER FLOAT ADJUSTMENT ………………………165
CHECKING FOR proper ADJUSTMENT …………………163
LINING REPLACEMENT ……………………………165
Proximity sensor ……………………………..163
SECTION 8 – DRIVE…………………………………….113
AXLES …………………………………………..152
Axle Lubrication ……………………………..154
BRAKE BLEEDING ……………………………….154
BRAKE LINING INSPECTION (REAR AXLE ONLY) ………..153
DIFFERENTIAL AND DIFFERENTIAL LOCKS …………….153
DRAINING THE AXLES ……………………………154
filling axles, alternative method ………………155
filling the axles …………………………….154
REAR AXLE OSCILLATION SHIM …………………….156
SERVICE BRAKES (REAR AXLE ONLY) ………………..153
CIRCUIT DESCRIPTION……………………………….113
DUAL MOTOR 1-SPEED TRANSMISSION ………………..115
SINGLE MOTOR 2-SPEED TRANSMISSION ………………114
CIRCUIT DIAGRAM, DRIVE…………………………….113
DUAL MOTOR 1-SPEED TRANSMISSION ………………..134
SINGLE MOTOR 2-SPEED TRANSMISSION ………………126
DRIVE MOTOR………………………………………113
DUAL MOTOR 1-SPEED TRANSMISSION ………………..121
drive MOTOR PRESSURE SETTINGS AND ADJUSTMENTS ……….131
DRIVE pedal pilot VALVE …………………………..123
DRIVE PREVENT VALVE ………………………………124
DRIVE PUMP AND MOTOR PRESSURE SETTINGS AND ADJUST……113
DUAL MOTOR 1-SPEED TRANSMISSION ………………..137
DRIVE PUMP PRESSURE SETTINGS AND ADJUSTMENTS…………113
SINGLE MOTOR 2-SPEED TRANSMISSION ………………129
DRIVE PUMP, SAUER ………………………………..116
DRIVE SHAFT, FRONT, INSTALLATION …………………..150
HYDRAULIC OIL HEAT-UP …………………………….143
HYDROSTATIC DRIVE MOTOR……………………………113
description ………………………………….119
HYDROSTATIC DRIVE SYSTEM…………………………..113
DUAL MOTOR 1-SPEED TRANSMISSION ………………..115
SINGLE MOTOR 2-SPEED TRANSMISSION ………………114
PRESSURE SETTINGS AND ADJUSTMENTS…………………..113
SINGLE MOTOR 2-SPEED TRANSMISSION……………….113
DRIVE PUMP ……………………………….129
MOTOR MINIMUM DISPLACEMENT …………………133
MOTOR POR ………………………………..131
SPEED CONTROL LEVER VALVE …………………………125
TEST DRIVE……………………………………….113
DUAL MOTOR 1-SPEED TRANSMISSION ………………..135
SINGLE MOTOR 2-SPEED TRANSMISSION ………………127
TRANSMISSION 1-SPEED (DUAL MOTOR) ………………….149
TRANSMISSION 2-SPEED (SINGLE MOTOR) ………………..147
SHIFT LEVER ………………………………….148
WHEEL INSTALLATION ……………………………….158
SECTION 10 – OIL COOLER/RADIATOR AND CROSS-FLOW FAN………167
CHECK MAXIMUM FAN SPEED FORWARD AND REVERSE …………178
CIRCUIT DIAGRAM, CROSS-FLOW FAN ……………………176
CIRCUIT DIAGRAM, OIL COOLER ……………………….171
COOLING SYSTEM, ENGINE See SECTION 7 IN THIS MANUAL…..167
CROSS-FLOW FAN CIRCUIT DIAGRAM …………………….176
CROSS-FLOW FAN WITH ELECTRONIC FAN DRIVE CONTROL …….172
ENGINE COOLING SYSTEM See SECTION 7 IN THIS MANUAL……167
FAN COOLING CIRCUIT DESCRIPTION ……………………176
FAN DRIVE MOTOR ………………………………….176
FAN DRIVE PUMP …………………………………..173
FAN DRIVE PUMP PRESSURE, CHECK …………………….179
FAN PUMP forward and reverse MAX. DISPLACEMENT SET …..178
FAN SPEED, MAX. FORWARD AND REVERSE ………………..178
HYDRAULIC OIL TANK ……………………………….170
OIL COOLER ………………………………………168
OIL COOLER and RADIATOR INSTALLATION ……………….169
OIL COOLER CIRCUIT DESCRIPTION …………………….170
OIL COOLER CIRCUIT DIAGRAM ………………………..171
SECTION 11- STEERING AND CENTER JOINT…………………..181
CENTER JOINT……………………………………..190
ADJUSTMENT …………………………………..190
CHECKING …………………………………….190
DIAGRAM ……………………………………..191
GREASE SEALS …………………………………191
LUBRICATION ………………………………….190
MAINTENANCE ………………………………….190
CIRCUIT DESCRIPTION ………………………………186
CIRCUIT DIAGRAM ………………………………….187
JOYSTICK CONTROL VALVE ……………………………185
PRESSURE SETTINGS ………………………………..188
SAFETY ………………………………………….188
STEER RELIEF VALVE ……………………………….184
STEER VALVE ……………………………………..184
CROSS SECTION ………………………………..184
DESCRIPTION ………………………………….184
OPERATING DESCRIPTION …………………………184
STEER/BOOM PUMP ………………………………….182
SECTION 12 – LIFT BOOM………………………………..193
boom lift lock …………………………………..198
BOOM VALVE……………………………………….193
ASSEMBLY PROCEDURE ……………………………200
CROSS SECTION OF SPOOL SECTION …………………195
OPERATING DESCRIPTION …………………………194
RELIEF VALVES See SECTION 18 – CLAMPS WITH SAW……193
CIRCUIT DESCRIPTION ………………………………196
CIRCUIT DIAGRAM ………………………………….197
JOYSTICK CONTROL VALVE ……………………………194
OPERATING DESCRIPTION …………………………194
PRESSURE SETTINGS ………………………………..198
PUMP, DESCRIPTION…………………………………193
BOOM/STEER PUMP See SECTION 11 – STEERING………..193
safety ………………………………………….198
SECTION 13 – TILT…………………………………….201
boom lift lock …………………………………..204
BOOM VALVE DIAGRAM ……………………………….202
CIRCUIT DESCRIPTION ………………………………202
CIRCUIT DIAGRAM ………………………………….203
CONTROL VALVES …………………………………..202
PRESSURE SETTINGS ………………………………..204
SAFETY ………………………………………….204
SECTION 17 – SAW DRIVE………………………………..205
CIRCUIT DESCRIPTION ………………………………208
CIRCUIT DIAGRAM ………………………………….209
PRESSURE SETTINGS ………………………………..210
safety ………………………………………….210
SAW MOTOR See SAW MANUFACTURER’S MANUAL……………..205
SAW PUMP…………………………………………205
POR. VALVE …………………………………..211
TEST PORT ……………………………………211
SAW VALVES……………………………………….205
PILOT OPERATED SOLENOID VALVE ………………….206
SAW SECTION OF BOOM VALVE ……………………..207
SECTION 18 – CLAMPS WITH SAW…………………………..213
boom lift lock …………………………………..218
BOOM VALVE ………………………………………214
OPERATING DESCRIPTION …………………………215
SPOOL SECTION DIAGRAM …………………………215
CIRCUIT DESCRIPTION ………………………………216
CIRCUIT DIAGRAM ………………………………….217
CONTROL VALVES …………………………………..214
PILOT LINE PRESSURES See SECTION 5 – PILOT SYSTEM…….213
PRESSURE SETTINGS ………………………………..218
RELIEF VALVES…………………………………….220
ADJUSTING PROCEDURE …………………………..221
OPERATION ……………………………………220
SAFETY ………………………………………….218
SPOOL SECTION DIAGRAM …………………………….215

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TIGERCAT 720D FELLER BUNCHER SERVICE MANUAL – PDF DOWNLOAD:

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