Tigercat 250 Loader Service Manual – PDF DOWNLOAD

Description

Tigercat 250 Loader Service Manual – PDF DOWNLOAD

TABLE OF CONTENTS:

Tigercat 250 Loader Service Manual – PDF DOWNLOAD

250 SERVICE ISSUE 11 1
INTRODUCTION 3
NON-APPROVED FIELD PRODUCT CHANGES 4
SECTION 1 – SAFETY 5
BATTERY DISCONNECT SWITCH 10
COOLING SYSTEM 11
EXHAUST FUMES 12
FIRE PREVENTION 14
FIRE PREVENTION GUIDELINES 14
WHAT ELSE TO DO BEFORE YOU EXPERIENCE A FIRE 15
WHAT TO DO AFTER A FIRE 16
WHAT TO DO IN CASE OF A MACHINE FIRE 15
FIRST AID 8
FLUID LEAKS 11
LOOSE CLOTHING 12
PROTECTIVE CLOTHING 7
SAFE REMOVAL OF COUNTERBALANCE AND CHECK CARTRIDGE 12
SAFETY PRECAUTIONS, GENERAL 7
SAFETY PRECAUTIONS, OPERATING 9
SAFETY PRECAUTIONS, SERVICING 11
SAFETY SYMBOLS 6
UNDERSTANDING SIGNAL WORDS 6
SECTION 3 – LUBRICATION & MAINTENANCE 17
Air Cleaner 28
AIR CLEANER MAINTENANCE 29
AIR CONDITIONING – SERVICE 30
CYCLE TIMES, FACTORY SETTINGS 39
FILTERS 17
ENGINE AIR FILTER 28
HYDRAULIC OIL RETURN FILTERS 26
PILOT RETURN PRESSURE FILTER 27
GENERAL MAINTENANCE 19
HYDRAULIC OIL RETURN FILTERS 26
HYDRAULIC OILS, APPROVED 24
HYDRAULIC TANK PRESSURIZATION SYSTEM 17
EARLIER DESIGN 32
LATER DESIGN 34
LUBRICATING CYLINDER PINS AND BOOM JOINTS 20
LUBRICATION POINTS 22
NEW MACHINE MAINTENANCE 18
FIRST 50-100 HOUR INSPECTION AND SERVICE REPORT 18
INITIAL PRE-DELIVERY INSPECTION 18
TIGHTENING POINTS 18
OIL LOST FROM LEAKAGE CHART 18
PILOT RETURN PRESSURE FILTER 27
PRESSURE SETTING PROCEDURES See SERVICE MANUAL 17
PRESSURE SETTINGS 17
MACHINE SERIAL NUMBERS 2500111 to 2500140 38
MACHINE SERIAL NUMBERS 2500141 and up 40
PREVENTIVE MAINTENANCE SCHEDULE 18
SCHEDULED MAINTENANCE 17
EVERY 8 HOURS: 20
EVERY 24 HOURS: 20
EVERY 125 HOURS 20
EVERY 250 HOURS 21
EVERY 500 HOURS: 21
EVERY 1000 HOURS 21
EVERY 2000 HOURS 21
SERVICE AND LUBRICATION POINTS 22
TIGHTENING POINTS 18
TORQUE CHART, GENERAL 37
TORQUE SETTINGS, RECOMMENDED 36
VACUUM PUMP (LATER DESIGN ONLY) 35
SECTION 4 – HYDRAULIC SYSTEM 43
CIRCUIT DIAGRAM 43
LOAD SENSING SYSTEM 53
DIFFUSERS/STRAINERS 43
CLEANING 46
HIGH PRESSURE LIMITING CONTROL VALVE 43
SET LOAD SENSE RELIEF VALVE 66
HYDRAULIC OIL RESERVOIR 43
DESCRIPTION 44
RESERVOIR 45
HYDRAULIC PUMPS 43
AUXILIARY OR SWING PUMP 48
GENERAL DESCRIPTION 47
MAIN PUMP 48
MAIN PUMP CONTROLLER 65
SWING OR AUXILIARY PUMP 48
HYDRAULIC SYSTEM OPERATION 43
AUXILIARY OR SWING SYSTEM 44
BOOM CYLINDERS 44
MAIN CIRCUIT DESCRIPTION 52
FLOW ON DEMAND AND LOAD COMPENSATION 53
MAIN HYDRAULIC CIRCUIT 52
MAIN HYDRAULIC SYSTEM 44
MARGIN PRESSURE 48
PILOT CIRCUIT 44
SWING OR AUXILIARY SYSTEM 44
LOAD SENSING 43
BASIC DESCRIPTION 43
Closed centre system 51
Open centre system 50
BASIC PRINCIPALS 49
Margin pressure 48
OPERATING TIPS 52
SET LOAD SENSE RELIEF VALVE 66
SET MARGIN PRESSURE 65
MAIN CONTROL VALVE 43
CONTROL VALVE SECTIONS 56
CONTROL VALVE SPOOL OPERATION 59
DESCRIPTION 54
HIGH PRESSURE LIMITING CONTROL VALVE 64
PORT RELIEF AND ANTICAVITATION VALVE 58
ADJUSTING PROCEDURE 58
STRAINERS/DIFFUSERS 43
CLEANING 46
SECTION 5 – PILOT SYSTEM 67
CIRCUIT DIAGRAM 72
ELECTRICAL CIRCUIT 71
PILOT SYSTEM COMPONENTS 68
JOYSTICKS AND FOOT PEDALS 70
PILOT MANIFOLD 69
PRESSURE SETTINGS 71
SECTION 6 – ELECTRICAL, GAUGES AND ALARMS 73
ELECTRICAL SCHEMATIC DIAGRAM 74
FUSE AND RELAY PANEL 78
GAUGES AND ALARMS 80
INSTRUMENT PANEL WIRING DIAGRAM 79
SENSOR LOCATIONS 81
wire colour code chart 77
SECTION 7 – ENGINE START AND STOP 83
CIRCUIT DESCRIPTION 84
ENGINE START CIRCUIT 84
START CIRCUIT DIAGRAMS 85
SECTION 9 – ENGINE ANTI-STALL 89
CIRCUIT SCHEMATICs 92
CONTROL MODULE IN CAB 90
FAULT FINDING procedure ~ Anti-stall Quick Check 92
FAULT FINDING PROCEDURES, ADDITIONAL 93
HORSEPOWER LIMITING CONTROL 90
GENERAL DESCRIPTION 90
LOAD SENSE; SET MARGIN PRESSURE See SECTION 4 89
SET PILOT PRESSURE See SECTION 5 89
SOLENOID VALVE 90
SPEED SENSOR ADJUSTING 91
SPEED SENSOR ON ENGINE 90
verify ANTI-STALL SETTING See SECTION 4 89
SECTION 12 – BOOM FUNCTIONS 95
ADJUST OIL FLOW TO CYLINDERS (CYLINDER CYCLE TIMES 100
BOOM CONTROL VALVE 96
BOOM SYSTEM DESCRIPTION 96
CIRCUIT SCHEMATIC 97
cylinder cycle times, TYPICAL 100
ENGINE ANTI-STALL 96
Load sensing 96
PRESSURE SETTINGS 98
PRESSURE SETTINGS, SUMMARY 100
SECTION 15 – SWING101
FOOT PEDAL CONTROL VALVE 102
GEARBOX, SWING DRIVE 114
PILOT MANIFOLD 102
SERIAL NUMBER 2500111 TO 2500140101
ADJUST SWING MOTOR SPEED MOTOR SPEED 105
CIRCUIT DESCRIPTION 104
CIRCUIT DIAGRAM 106
CROSSLINE RELIEF VALVE SETTINGS 104
PRESSURE SETTINGS 104
SUMMARY, PESSURE SETTINGS 105
SWING CONTROL VALVE 102
SWING DRIVE COMPONENTS 102
SWING MOTOR 103
SERIAL NUMBER 2500141 AND UP101
CIRCUIT DESCRIPTION 112
CIRCUIT DIAGRAM 108
PRESSURE SETTINGS 112
SUMMARY, PRESSURE SETTINGS 114
SWING CIRCUIT DESCRIPTION 112
SWING CONTROL VALVE 110
SWING DRIVE COMPONENTS 109
SWING MOTOR 111
SECTION 16 – STABILIZERS115
COUNTERBALANCE AND CHECK CARTRIDGES, REMOVAL 119
COUNTERBALANCE VALVES 119
CYLINDERS AND COUNTERBALANCE VALVES 119
PILOT MANIFOLD 116
PILOT MANIFOLD, STABILIZER 116
SERIAL NUMBER 2500111 TO 2500140115
CIRCUIT DESCRIPTION 120
CIRCUIT DIAGRAM 121
CONTROL VALVE 117
PRESSURE SETTINGS, SUMMARY 123
PUMP 116
SERIAL NUMBER 2500141 AND UP115
CIRCUIT DESCRIPTION 120
CIRCUIT DIAGRAM 124
CONTROL VALVE 117
FLOW ADJUSTMENT 126
PRESSURE SETTINGS, SUMMARY 126
STABILIZER CIRCUIT COMPONENTS 116
STABILIZER PILOT MANIFOLD 116
SECTION 17 – GRAPPLE127
BOOM CONNECTIONS 130
CONTROL VALVE, JOYSTICK 128
CONTROL VALVES, MAIN 128
GRAPPLE CONNECTIONS TO BOOM 130
GRAPPLE SYSTEM COMPONENTS 128
JOYSTICK CONTROL VALVE 128
SERIAL NUMBER 2500111 TO 2500140127
CIRCUIT DESCRIPTION 130
CIRCUIT DIAGRAM 131
OIL FLOW ADJUSTMENTS TO ROTATE MOTOR 133
PRESSURE SETTINGS 132
SUMMARY, PRESSURE SETTINGS 134
SERIAL NUMBER 2500141 AND UP127
CIRCUIT DESCRIPTION 137
CIRCUIT DIAGRAM 136
CYLINDER CYCLE TIMES 138
OIL FLOW ADJUSTMENTS TO CYLINDERS (CYLINDER CYCLE 138
PRESSURE SETTINGS 137
SUMMARY, PRESSURE SETTINGS 139
SECTION 18 – DELIMBER/SLASHER141
CIRCUIT DESCRIPTION 146
CIRCUIT DIAGRAM S/N 2500111 T0 2500140 147
CIRCUIT DIAGRAM S/N 2500141 AND UP 148
CONTROL VALVE, DELIMBER AND TOP SAW CONTROL VALVE 144
CONTROL VALVE, DELIMBER OPEN/DUMP VALVE 145
CONTROL VALVE, SLASHER SAW CUT AND SAWS RETRACT 142
DELIMBER/SLASHER CONNECTIONS 145
FUSE AND RELAY PANEL 150
OIL FLOW ADJUSTMENT 156
PILOT MANIFOLD 142
PRESSURE SETTINGS 154
PRESSURE SETTINGS, SUMMARY 156
PUMPS 142
RELAY AND FUSE PANEL 150
TROUBLESHOOTING DELIMBER RELAY CIRCUIT 150

DESCRIPTION:

Tigercat 250 Loader Service Manual – PDF DOWNLOAD

An Operator’s manual, Service manual and a Parts catalog are provided by Tigercat to aslsist the dealer, customer and operator in becoming familiar with the features of the Tigercat 250 Loader.

• The operator’s manual will assist the operator with the techniques of proper and safe operation of the Loader. The service manual contains safety guidelines, a preventive maintenance schedule and servicing procedures 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 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.

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TIGERCAT 250 LOADER SERVICE MANUAL – PDF DOWNLOAD:

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• This is the same manual used by the DEALERSHIPS to SERVICE your vehicle.
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