Tigercat 720 FELLER BUNCHER Service Manual – PDF DOWNLOAD

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Tigercat 720 FELLER BUNCHER Service Manual – PDF DOWNLOAD

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Tigercat 720 FELLER BUNCHER Service Manual – PDF DOWNLOAD

Language : English
Pages : 116
Downloadable : Yes
File Type : PDF
Size: 7.00 MB

TABLE OF CONTENTS:

Tigercat 720 FELLER BUNCHER Service Manual – PDF DOWNLOAD

720 SERVICE – ISSUE 4.1………………………………….. 1
GENERAL SPECIFICATIONS……………………………….. 2
SECTION 1 – SAFETY………………………………………. 3
articulation lock pin ……………………………….. 10
battery disconnect switch ……………………………. 8
cooling system ……………………………………… 9
exhaust fumes ………………………………………. 10
FIRE PREVENTION …………………………………….. 10
FIRE PREVENTION GUIDELINES ……………………….. 11
WHAT ELSE TO DO BEFORE YOU EXPERIENCE A FIRE ……….. 12
WHAT TO DO AFTER A FIRE ………………………….. 13
WHAT TO DO IN CASE OF A MACHINE FIRE ………………. 12
first aid ………………………………………….. 6
Fluid leaks ………………………………………… 9
Hydraulic Pressure hazard ……………………………. 9
loose clothing hazard ……………………………….. 10
protective clothing …………………………………. 5
SAFETY PRECAUTIONS, GENERAL ………………………….. 5
SAFETY PRECAUTIONS, OPERATING ………………………… 7
SAFETY PRECAUTIONS, SERVICING ………………………… 9
SAFETY SYMBOLS ……………………………………… 4
Signal Words ……………………………………….. 4
APPENDIX – USING HIGH SPEED DISC SAWS SAFELY……………….. 15
Comments and instructions…………………………….. 15
Direction of throw ………………………………. 21
High angle wrist rotation ability …………………. 22
Recognizing the Dangers ………………………….. 21
Throwing long wood pieces ………………………… 24
Dangers ……………………………………………. 17
forward ……………………………………………. 16
Be aware of the hazards ………………………….. 16
Other instructions ………………………………. 17
Safe practices ………………………………….. 17
Several types of heads involved …………………… 16
Stored energy …………………………………… 16
HIGH ANGLE WRIST ROTATION CAPABILITY ………………….. 23
Saw Head Don’ts …………………………………….. 29
Type of Housing makes a Difference ……………………. 18
SECTION 3 – LUBRICATION & MAINTENANCE……………………… 31
FILTER AND LUBRICATION SCHEDULE ………………………. 37
GENERAL MAINTENANCE …………………………………. 33
HYDRAULIC OILS ……………………………………… 36
LUBRICATION SCHEDULE ………………………………… 37
NEW MACHINE MAINTENANCE………………………………. 31
FIRST 25 HOURS ………………………………….. 32
FIRST 500 HOURS …………………………………. 32
PRESSURE SETTINGS……………………………………. 31
18″ SAW, KOEHRING WATEROUS ……………………….. 40
20″ SAW, KOEHRING WATEROUS ……………………….. 41
BUNCHING SHEAR, TIGERCAT …………………………. 42
SCHEDULED MAINTENANCE ……………………………….. 34
1000 HOURS ……………………………………… 35
125 HOURS ………………………………………. 34
250 HOURS ………………………………………. 35
500 HOURS ………………………………………. 35
8 HOURS ………………………………………… 34
FREQUENTLY ……………………………………… 34
SEASONAL ……………………………………….. 35
TIGHTENING POINTS …………………………………… 32
TORQUE CHART ……………………………………….. 38
TORQUE CHART, GENERAL ……………………………….. 39
WHEELS, INSTALLING ………………………………….. 32
SECTION 4 – HYDRAULIC COMPONENT DESCRIPTIONS……………….. 43
RELIEF VALVE………………………………………… 43
ADJUSTING PROCEDURE ……………………………… 46
EARLY DESIGN ……………………………………. 44
LATER DESIGN ……………………………………. 45
SECTION 8 – DRIVE……………………………………….. 47
AXLES ……………………………………………… 67
AIR AND HYD. CONNECTIONS …………………………. 67
BRAKES …………………………………………. 68
BLEEDING ……………………………………. 68
LINING INSPECTION ……………………………. 68
BRAKES, HYD. SCHEM.. See SECTION 9…………………. 47
DIFF. LOCKS …………………………………….. 68
DIFF. LOCKS, HYD. SCHEM.. See SECTION 9…………….. 47
DIFFERENTIAL ……………………………………. 68
OIL CAPACITY ……………………………………. 70
OIL CHECK LOCATION ………………………………. 69
OIL FILL HOLE LOCATION …………………………… 69
OIL LEVEL CONTROL ……………………………….. 69
PLANETARY FINAL DRIVE ……………………………. 69
PRESSURIZED DIFF. CASE …………………………… 69
SERVICE BRAKES (REAR ONLY) ……………………….. 68
DRIVE SYSTEM………………………………………… 47
DRIVE FOOT CONTROL VALVE …………………………. 53
DRIVE PREVENT VALVE ……………………………… 53
DRIVE PUMP PRESSURE SETTING VALUES…………………. 47
QUICK REFERENCE CHART ………………………… 65
REXROTH…………………………………………. 47
CIRCUIT SCHEMATIC ……………………………. 58
CREEP ………………………………………. 54
DRIVE SYSTEM DESCRIPTION ……………………… 54
MOTOR DESCRIPTION ……………………………. 51
MOTOR PRESSURE SETTINGS ………………………. 56
PRESSURE SETTINGS: …………………………… 55
PUMP DESCRIPTION …………………………….. 48
SET MOTOR MIN. DISPLACEMENT …………………… 57
SET MOTOR P.O.R. …………………………….. 57
SUNDSTRAND………………………………………. 47
CIRCUIT SCHEMATIC ……………………………. 60
CREEP ………………………………………. 60
DRIVE SYSTEM DESCRIPTION ……………………… 60
MOTOR DESCRIPTION ……………………………. 51
MOTOR PRESSURE SETTINGS ………………………. 62
PRESSURE SETTINGS ……………………………. 61
PUMP DESCRIPTION …………………………….. 50
PUMP PRESSURE SETTINGS ……………………….. 61
SET MOTOR CHARGE PRES. RELIEF …………………. 63
SET MOTOR MIN.DISPLACEMENT ……………………. 63
SET MOTOR P.O.R. …………………………….. 63
TRANSMISSION ……………………………………….. 66
OPERATION ………………………………………. 66
WHEEL INSTALLATION ………………………………….. 70
TAPERED ASSEMBLY STUD ……………………………. 70
SECTION 9 – BRAKES………………………………………. 71
ACCUMULATOR ………………………………………… 74
CHARGING AND TESTING DEVICE ………………………. 74
CHARGING THE ACCUMULATOR …………………………. 74
CHECKING GAS PRESSURE ……………………………. 74
BRAKES……………………………………………… 71
ACCUMULATOR CHARGE VALVE …………………………. 73
CIRCUIT DESC. …………………………………… 76
CIRCUIT SCHEMATIC ……………………………….. 77
FOOT CONTROL VALVE ………………………………. 72
PARKING BRAKE …………………………………… 78
CHARGE VALVE, BRAKE ACCUMULATOR ………………………. 73
DIFFERENTIAL LOCKS:………………………………….. 71
CIRCUIT DESC. …………………………………… 76
CIRCUIT SCHEMATIC ……………………………….. 77
PRESSURE SETTINGS ……………………………….. 76
PILOT MANIFOLD ……………………………………… 75
OPERATING DESCRIPTION ……………………………. 75
PRESSURE REDUCING VALVE ………………………….. 75
PRESSURE SETTINGS ……………………………….. 76
RELIEF VALVE ……………………………………. 75
SOL. OPERATED VALVES …………………………….. 75
PRESSURE REDUCING VALVE ……………………………… 75
SECTION 11 – STEERING & CENTER JOINT………………………. 79
CENTER JOINT. See TO FOLLOW…………………………… 79
STEER………………………………………………. 79
CIRCUIT DESCRIPTION ……………………………… 83
CONTROL VALVE……………………………………. 79
DESCRIPTION …………………………………. 81
PORT RELIEF DESC.. See SECTION 4……………….. 79
HYDRAULIC CIRCUIT ……………………………….. 84
PRESSURE SETTINGS ……………………………….. 83
PUMP, DESCRIPTION ……………………………….. 80
CARTRIDGE ROTATION …………………………… 80
RELIEF VALVES……………………………………. 79
MAIN ……………………………………….. 83
PORT (CARTRIDGE). See SECTION 4………………… 79
STEERING LINKAGE ………………………………… 81
STEERING LINKAGE BELOW CAB ……………………….. 81
SECTION 12 – LIFT BOOM…………………………………… 85
BOOM CONTROL VALVE DESCRIPTION………………………… 85
CROSS SECTION OF SPOOL SECTION ……………………. 87
SERIAL NO. 7200001 TO 7201170 …………………….. 88
SERIAL NO. 7201171 AND UP ………………………… 87
JOYSTICK CONTROL VALVE ………………………………. 86
LIFT CIRCUIT DESCRIPTION …………………………….. 88
LIFT CIRCUIT SCHEMATIC ………………………………. 90
PRESSURE SETTINGS …………………………………… 88
PUMP, DESCRIPTION……………………………………. 85
BOOM, CLAMPS & STEER. See SECTION 11……………….. 85
RELIEF VALVE, PORT. See SECTION 4……………………. 85
SECTION 13 – TILT……………………………………….. 91
BOOM CONTROL VALVE DESCRIPTION ……………………….. 92
JOYSTICK PILOT VALVE. See SECTION 12…………………… 91
LIFT CIRCUIT SCHEMATIC ………………………………. 93
PRESSURE SETTINGS …………………………………… 92
PUMP, DESCRIPTION……………………………………. 91
BOOM, CLAMPS & STEER. See SECTION 11……………….. 91
RELIEF VALVE, PORT. See SECTION 4……………………… 91
TILT CIRCUIT DESCRIPTION …………………………….. 92
SECTION 17 – SAW DRIVE…………………………………… 95
CONTROL VALVE, SAW…………………………………… 95
OPERATING DESCRIPTION…………………………….. 95
S/N 7200001 TO 7201170 ……………………….. 96
S/N 7201171 AND UP ……………………………100
FELLING HEAD, 20″ SAW. See ORIGINAL MANUFACTURERS MANUAL…. 95
PRESSURE SETTINGS……………………………………. 95
S/N 7200001 TO 7201170 …………………………… 98
S/N 7201171 AND UP ……………………………….102
SAW CIRCUIT…………………………………………. 95
S/N 7200001 TO 7201170 …………………………… 99
S/N 7201171 AND UP ……………………………….103
SAW CIRCUIT DESCRIPTION………………………………. 95
S/N 7200001 TO 7201170 …………………………… 96
S/N 7201171 AND UP ……………………………….100
SECTION 18 – TREE CLAMPS………………………………….105
CONTROL VALVE, MAIN. See SECTION 12…………………….105
FOOT PEDAL CONTROL. See SECTION 8………………………105
PUMP, DESCRIPTION…………………………………….105
BOOM, CLAMPS & STEER. See SECTION 11………………..105
TREE CLAMPS WITH SAW………………………………….105
CIRCUIT DESCRIPTION ………………………………106
CIRCUIT SCHEMATIC, WITH 18″ SAW ……………………108
CIRCUIT SCHEMATIC, WITH 20″ SAW ……………………109
PRESSURE SETTINGS ………………………………..107
SECTION 19 – SHEAR AND CLAMPS……………………………..111
CIRCUIT DESCRIPTION ………………………………….113
CIRCUIT SCHEMATIC ……………………………………115
FOOT OPERATED PILOT VALVE …………………………….112
MAIN SHEAR/CLAMPS VALVE ………………………………112
OPERATING DESCRIPTION …………………………….112
PILOT MANIFOLD ………………………………………112
Pressure settings ……………………………………114
SHEAR AND CLAMP CIRCUIT ………………………………115
SHEAR CONTROL VALVES …………………………………112

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