Tigercat H250B Harvester Service Manual – PDF DOWNLOAD
DESCRIPTION:
Tigercat H250B Harvester Service Manual – PDF DOWNLOAD
INTRODUCTION :
- An Operator’s manual, Service manual and a Parts catalog are provided by Tigercat to assist the dealer,
customer and operator in becoming familiar with the features of the Tigercat H250B Harvester.
Serial Number 250H0101 and up. - The operator’s manual will assist the operator with the techniques of proper and safe operation of the
H250B Harvester. 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 H250B Harvester Service Manual – PDF DOWNLOAD
H250B SERVICE ISSUE 1.2………………………………….. 1
INTRODUCTION………………………………………… 3
NON-APPROVED FIELD PRODUCT CHANGES…………………….. 4
SECTION 1 – SAFETY………………………………………. 5
battery disconnect switch ……………………………. 10
cooling system ……………………………………… 12
exhaust fumes ………………………………………. 13
FIRE PREVENTION …………………………………….. 19
DRY CHEMICAL CLEANUP PROCEDURES …………………… 23
FIRE PREVENTION GUIDELINES ……………………….. 19
WHAT TO DO AFTER A MACHINE FIRE HAS OCCURRED ……….. 22
WHAT TO DO TO PREPARE FOR A MACHINE FIRE …………… 20
WHAT TO DO WHEN A MACHINE FIRE OCCURS ……………… 21
first aid ………………………………………….. 8
FLUID INJECTION INJURY ………………………………. 14
Fluid leaks ………………………………………… 12
GREASE INJECTION INJURY ……………………………… 15
LIGHTNING SAFETY AWARENESS……………………………. 5
LIGHTNING SAFETY ………………………………… 16
WHAT IS A LIGHTNING STRIKE ……………………….. 16
loose clothing hazard ……………………………….. 13
protective clothing …………………………………. 7
SAFETY PRECAUTIONS, OPERATING ………………………… 9
SAFETY PRECAUTIONS, SERVICING ………………………… 11
SAFETY SYMBOLS ……………………………………… 6
SIGNAL WORDS ……………………………………….. 6
SECTION 3 – LUBRICATION & MAINTENANCE……………………… 25
AIR CLEANER…………………………………………. 25
FILTER RESTRICTION INDICATOR ……………………… 40
IMPORTANT STEPS TO FOLLOW ………………………… 39
IMPROPER SERVICING ………………………………. 39
MAINTENANCE …………………………………….. 39
UNLOADER VALVE ………………………………….. 40
AIR CONDITIONING ……………………………………. 41
APPROVED HYDRAULIC OILS ……………………………… 36
CASE DRAIN STRAINER …………………………………. 38
ELECTRICAL SCHEMATIC…………………………………. 25
SHEET 1 ………………………………………… 51
SHEET 2 ………………………………………… 52
SHEET 3 ………………………………………… 53
SHEET 4 ………………………………………… 54
EMERGENCY EXITS, CHECK MONTHLY ……………………….. 30
FILTER RESTRICTION INDICATOR …………………………. 40
FIRE PREVENTION …………………………………….. 30
GENERAL ……………………………………………. 29
HYDRAULIC PRESSURIZATION SYSTEM …………………….. 37
HYDRAULIC OIL RETURN FILTERS …………………………. 37
HYDRAULIC OILS ……………………………………… 36
LUBRICATION AND SERVICE POINTS ……………………….. 34
NEW MACHINE MAINTENANCE ……………………………… 26
FIRST 50-100 HOUR INSPECTION AND SERVICE REPORT …….. 26
INITIAL PRE-DELIVERY INSPECTION …………………… 26
Tightening points ……………………………….. 26
OIL LOST FROM LEAKAGE ……………………………….. 29
OIL SAMPLE COLLECTION PROCEDURES ……………………… 28
OIL SAMPLING PROGRAM ………………………………… 27
PAG OIL ……………………………………………. 41
PILOT PRESSURE FILTER ……………………………….. 38
PRESSURE SETTINGS …………………………………… 46
PRESSURIZATION HYDRAULIC SYSTEM ………………………. 37
PREVENTIVE MAINTENANCE SCHEDULE ………………………. 26
REFRIGERANT ………………………………………… 41
SCHEDULED MAINTENANCE………………………………… 25
EVERY 8 HOURS: ………………………………….. 32
EVERY 125 HOURS …………………………………. 32
EVERY 250 HOURS …………………………………. 32
EVERY 500 HOURS: ………………………………… 33
EVERY 1000 HOURS ………………………………… 33
EVERY 2000 HOURS ………………………………… 33
TORQUE, FLUID CONNECTIONS ……………………………. 48
TORQUE SETTINGS, RECOMMENDED …………………………. 44
TORQUE SPECIFICATIONS – GENERAL ………………………. 44
UNLOADER VALVE ……………………………………… 40
VACUUM PUMP ………………………………………… 43
SECTION 4 – HYDRAULIC SYSTEM……………………………… 57
CIRCUIT DIAGRAM……………………………………… 57
LOAD SENSING SYSTEM ……………………………… 68
DIFFUSERS/STRAINERS………………………………….. 57
CLEANING ……………………………………….. 61
HYDRAULIC OIL RESERVOIR………………………………. 57
DESCRIPTION …………………………………….. 58
RESERVOIR ………………………………………. 59
HYDRAULIC PUMPS……………………………………… 57
GENERAL DESCRIPTION ……………………………… 62
MAIN PUMP ………………………………………. 62
MAIN PUMP CONTROLLER …………………………. 74
HYDRAULIC SYSTEM OPERATION……………………………. 57
AUXILIARY OR SWING SYSTEM ………………………… 58
MAIN CIRCUIT DESCRIPTION …………………………. 67
FLOW ON DEMAND AND LOAD COMPENSATION …………… 68
MAIN HYDRAULIC CIRCUIT …………………………… 67
MAIN HYDRAULIC SYSTEM ……………………………. 58
MARGIN PRESSURE …………………………………. 63
PILOT CIRCUIT …………………………………… 58
LOAD SENSING………………………………………… 57
BASIC DESCRIPTION………………………………… 57
Closed centre system …………………………. 66
Open centre system …………………………… 65
BASIC PRINCIPALS ………………………………… 64
Margin pressure …………………………………. 63
OPERATING TIPS ………………………………….. 67
SET MARGIN PRESSURE ……………………………… 74
MAIN PUMP POR VALVE SETTING ………………………….. 76
MAIN VALVE DESCRIPTION ………………………………. 69
MARGIN PRESSURE SETTING ……………………………… 74
POR VALVE SETTING …………………………………… 76
PRESSURE SETTINGS …………………………………… 78
STRAINERS/DIFFUSERS………………………………….. 57
CLEANING ……………………………………….. 61
SECTION 5 – PILOT SYSTEM…………………………………. 81
CIRCUIT DIAGRAM …………………………………….. 85
ELECTRICAL CIRCUIT ………………………………….. 85
PILOT SYSTEM COMPONENTS ……………………………… 82
GENERAL DESCRIPTION ……………………………… 82
JOYSTICKS AND FOOT PEDALS ………………………… 84
PILOT MANIFOLD ………………………………….. 82
PILOT SUPPLY VALVE ………………………………. 82
PRESSURE SETTINGS …………………………………… 85
SECTION 6 – ELECTRICAL, GAUGES & ALARMS……………………. 87
CAB WIRING AND ELECTRICAL COMPONENT LOCATIONS ………….. 92
DISPLAY MODULE ……………………………………… 90
COMPONENT DESCRIPTION ……………………………. 90
KEYPAD FUNCTIONS ………………………………… 90
START-UP OPERATION ………………………………. 90
ELECTRICAL SCHEMATIC…………………………………. 87
SHEET 1 …………………………………………100
SHEET 2 …………………………………………101
SHEET 3 …………………………………………102
SHEET 4 …………………………………………103
FUSE AND RELAY PANEL ………………………………… 96
GAUGES AND ALARMS …………………………………… 88
GAUGES AND WARNING LIGHTS ……………………………. 92
INSTRUMENT PANEL WIRING DIAGRAM ………………………. 92
SENSOR LOCATIONS ……………………………………. 89
WARNING LIGHTS ……………………………………… 92
SECTION 7 – ENGINE START AND STOP………………………….105
CIRCUIT DESCRIPTION ………………………………….106
ENGINE START CIRCUIT …………………………………106
START CIRCUIT DIAGRAMS ……………………………….107
SECTION 9 – ENGINE ANTI-STALL……………………………..113
ANTI-STALL SYSTEM COMPONENTS ………………………….114
BLINK CODES …………………………………………119
CIRCUIT SCHEMATICs …………………………………..117
CONTROL POD ON ARMREST, R.H……………………………117
ELECTRICAL SCHEMATIC – PLUS 1 CONTROL ………………….116
ELECTRONIC CONTROLLER BLINK CODES ……………………..119
FAULT FINDING procedure ~ Anti-stall Quick Check ………..117
FAULT FINDING PROCEDURES, ADDITIONAL …………………..118
HORSEPOWER LIMITING CONTROL …………………………..114
GENERAL DESCRIPTION ………………………………114
LOAD SENSE; SET MARGIN PRESSURE See SECTION 4……………113
PLUS 1 CONTROL MODULE CONNECTOR PIN ASSIGNMENT ………….115
SET PILOT PRESSURE See SECTION 5……………………….113
verify ANTI-STALL SETTING See SECTION 4…………………113
SECTION 10 – OIL COOLER, RADIATOR AND FAN…………………..121
CHARGE AIR COOLER ……………………………………123
COOLING SYSTEM……………………………………….121
COOLANT FLOW DIAGRAM ……………………………..125
COOLANT FLOW DURING OPERATION ……………………..125
FILLING THE SYSTEM WITH COOLANT ……………………125
OIL COOLER…………………………………………..121
CIRCUIT DESCRIPTION ………………………………126
CIRCUIT DIAGRAM ………………………………….126
OIL COOLER, RADIATOR AND FAN ………………………….122
RADIATOR ……………………………………………123
SECTION 11 – TRACK DRIVE………………………………….129
BRAKE RELEASE PRESSURE ……………………………….143
CIRCUIT DESCRIPTION ………………………………….134
CIRCUIT DIAGRAM ……………………………………..139
CONTROL VALVES……………………………………….129
FOOT PEDAL CONTROL VALVE ………………………….131
track CONTROL VALVEs ……………………………..132
TRAVEL AND DRIVE ENABLE SOLENOID VALVES …………….132
DRIVE MOTOR………………………………………….129
DESCRIPTION ……………………………………..136
START-UP PROCEDURE ……………………………….140
DRIVE MOTOR AND GEARBOX ASSEMBLY ………………………135
GEARBOX AND DRIVE MOTOR ASSEMBLY ………………………135
IMPORTANT TRACK DRIVE NOTES……………………………129
NEW MACHINE ……………………………………..130
STRAIGHT TRAVEL ………………………………….130
TRACK SAG ……………………………………….130
PRESSURE SETTINGS, DRIVE SYSTEM………………………..129
BEGIN OF REGULATION, SET, FOR DRIVE MOTOR …………..141
CROSSOVER RELIEF VALVES …………………………..142
SET STRAIGHT TRAVEL ………………………………….145
set Track Speed ……………………………………..144
STEERING ……………………………………………133
TRACK COMPONENTS……………………………………..129
MEASURING TRACK SAG ………………………………146
TRACK SAG ADJUSTMENT ………………………….147
OPERATING THE MACHINE …………………………….146
ROLLER RETAINING BOLTS ……………………………148
TORQUING UNDERCARRIAGE BOLTS ………………………147
TRACK SHOE RETAINING BOLTS ………………………..147
WEAR LIMITS………………………………………129
BUSHING WEAR, OUTSIDE DIAMETER …………………149
IDLER WEAR …………………………………..150
PIN AND BUSHING WEAR ………………………….149
ROLLER WEAR ………………………………….149
TRACK LINK WEAR ………………………………148
TRACK SHOE GROUSER HEIGHT WEAR …………………148
TRACK DRIVE ASSEMBLY …………………………………130
Track DRIVE BRAKE RELEASE PRESSURE …………………….143
SECTION 12 – BOOM………………………………………..151
CIRCUIT DESCRIPTION ………………………………….154
CIRCUIT DIAGRAM ……………………………………..156
CONTROL VALVES……………………………………….151
JOYSTICK CONTROL VALVE. See Service manual section 5….151
FILTERS……………………………………………..151
HYDRAULIC RETURN …………………………………153
HOIST VALVE RELIEF VALVE SETTINGS ……………………..157
PRESSURE SETTINGS…………………………………….151
SUMMARY …………………………………………157
STICK VALVE RELIEF VALVE SETTINGS ……………………..158
SECTION 15 – SWING……………………………………….159
CIRCUIT DIAGRAM ……………………………………..164
GEARBOX, SWING DRIVE …………………………………163
HYDROSTATIC DRIVE MOTOR……………………………….159
description ……………………………………..162
PRESSURE SETTINGS…………………………………….159
SET swing RELIEF VALVES …………………………..165
SWING BEARING………………………………………..159
SEAL KIT ………………………………………..167
WEAR LIMITS ……………………………………..166
SWING MOTOR …………………………………………162
MOTOR REMOVAL NOTE ……………………………….162
SWING PUMP ………………………………………….160
SECTION 17 – ATTACHMENT…………………………………..169
HEAD ROTATE CONTROL VALVE …………………………….173
MAIN CONTROL VALVE …………………………………..170
MAIN PUMP …………………………………………..170
PRESSURE SETTINGS…………………………………….169
HEAD ROTATE CONTROL VALVE …………………………177
PUMP 1 CONTROL VALVE ……………………………..175
PUMP 2 CONTROL VALVE ……………………………..176
PUMP 1 CONTROL VALVE …………………………………170
PUMP 2 PILOT VALVE …………………………………..172
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PLEASE NOTE:
- This is not a physical manual but a digital manual – meaning no physical copy will be couriered to you. The manual can be yours in the next 2 mins as once you make the payment, you will be directed to the download page IMMEDIATELY.
- This is the same manual used by the dealersinorder to diagnose your vehicle of its faults.
- Require some other service manual or have any queries: please WRITE to us at [email protected]
S.V