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YANMAR B37V EXCAVATOR SERVICE MANUAL – PDF DOWNLOAD
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YANMAR B37V EXCAVATOR SERVICE MANUAL – PDF DOWNLOADย
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YANMAR B37V EXCAVATOR SERVICE MANUAL – PDF DOWNLOADย
YANMAR B37V EXCAVATOR SERVICE MANUAL – PDF DOWNLOAD:
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YANMAR B37V EXCAVATOR SERVICE MANUAL – PDF DOWNLOADย
- Correct work means the quickest possible completion of according to the correct procedures and the specified standards.
- It is important when conducting certain operations always to bear in mind the equipment, tools, gauges, materials, oil and grease, etc. that you must have ready, as well as items to be checked, adjusted, or disassembled, and cautions to watch out for.
- (1) Never attempt servicing while engine is running or immediately after stopping operation. (2) Wear work cloths, safety shoes and helmet. (3) Check the equipment and tools before use. Especially, be sure to check the crane, lifting equipment and tools.
- (4) When working together with other persons, allocate everyoneโs share of job, arrange the signals and act in concert with the other persons. (5) The operation of the crane and slinging work must be performed by qualified persons.
- (6) Do not enter or pass under the raised load. (7) Lift and support the massive parts by crane before removing the installation bolts. (8) Disconnect cables from battery before repairing the electric system.
- (9) Remove the battery when welding the machine. (1) Check the service record of the machine. (That is, check how many months or hours the machine has been used since the preceding overhaul, what was the trouble then and what parts were replaced.)
- (2) Have all servicing tools ready, i.e., tools, measuring devices (which have received periodic maintenance), containers, oil & grease, etc. (3) Have the service literature (operation manual, parts catalog, etc.) ready.
- (1) Clean the machine before disassembly. (2) Check and record the condition of the machine before disassembly : โข Model, machine number, operation hours โข Reasons for repair, history of repair โข
- Contamination of filters โข Fuel and oil condition โข Damage to parts, etc. (3) Place alignment marks on the necessary parts to facilitate reassembly. (4) Clean all the removed parts and new replacement parts and put them in order. (5) Use new seals, split pins, etc. for reassembly.
TABLE OF CONTENTS:
YANMAR B37V EXCAVATOR SERVICE MANUAL – PDF DOWNLOADย
B37V............................................................................................... 1 FOREWORD........................................................................................... 2 CONTENTS........................................................................................... 3 1 GENERAL CAUTIONS FOR MAINTENANCE WORK............................................................ 6 1-1 Correct Work............................................................................... 7 1-2 Safety Precautions......................................................................... 7 1-3 Preparations............................................................................... 7 1-4 Cautions for Disassembly and Reassembly.................................................... 7 1-5 Cautions for Removal and Installation of Hydraulic Equipment............................... 8 1-6 Cautions for Removal and Installation of Hydraulic Piping.................................. 8 1-7 Cautions for Handling Seals................................................................ 8 1-8 Correct Installation of Hydraulic Hose..................................................... 9 1-9 Specifications of Hydraulic Hose........................................................... 11 1-10 Air Release of Hydraulic Equipment........................................................ 15 2 TECHNICAL DATA................................................................................... 16 2-1 Specifications............................................................................. 17 2-2 Machine Dimensions and Working Ranges...................................................... 24 2-2-1 Canopy Type.......................................................................... 24 2-2-2 Cabin Type........................................................................... 25 2-3 Component Weights.......................................................................... 26 2-4 Lifting Capacities......................................................................... 27 3 SERVICING STANDARDS............................................................................. 28 3-1 Machine Performance........................................................................ 29 3-2 Engine..................................................................................... 33 3-3 Undercarriage.............................................................................. 36 3-3-1 Rubber Crawler Specifications........................................................ 36 3-3-2 Steel Crawler Specifications......................................................... 37 3-3-3 Common Specifications of Steel & Rubber Crawlers..................................... 38 3-4 Control Devices............................................................................ 39 3-5 Hydraulic Equipment........................................................................ 40 3-5-1 Hydraulic Cylinder................................................................... 40 3-6 Work Implements............................................................................ 41 3-6-1 Front Attachments.................................................................... 41 3-6-2 Blade Moving Device.................................................................. 42 3-6-3 Bucket Teeth......................................................................... 42 3-7 List of Tightening Torque.................................................................. 43 3-7-1 Machine.............................................................................. 43 3-7-2 Engine............................................................................... 45 3-7-3 Tightening Torque for General Bolts and Nuts......................................... 45 4 ENGINE........................................................................................... 46 4-1 Measurement๏ผInspection and Adjustment...................................................... 47 4-1-1 Measuring the Compression Pressure................................................... 47 4-1-2 Adjusting the Valve Head Clearance................................................... 49 4-1-3 Checking the V-belt Tension.......................................................... 50 4-1-4 Checking the Fuel Injection Valve.................................................... 50 4-1-5 Checking and Adjusting the Fuel Injection Timing..................................... 54 4-1-6 Adjusting the No-load Maximum (or Minimum) Revolutions............................... 59 4-1-7 Checking the Cooling Water System and Radiator for Water Leakage..................... 59 4-1-8 Checking the Sensors................................................................. 60 4-2 Measuring Procedure๏ผService Data and Corrective Action..................................... 61 4-2-1 Cylinder Head........................................................................ 61 4-2-2 Cylinder Block....................................................................... 67 4-2-3 Valve Rocker Arm..................................................................... 70 4-2-4 Piston and Piston Ring............................................................... 72 4-2-5 Connecting Rod....................................................................... 77 4-2-6 Camshaft............................................................................. 80 4-2-7 Crankshaft........................................................................... 82 4-2-8 Gears................................................................................ 85 4-2-9 Trochoid Pump........................................................................ 87 4-3 Precautions Reassembly..................................................................... 88 4-4 Fuel Supply System......................................................................... 92 4-4-1 Fuel Injection Pump.................................................................. 92 4-4-2 Fuel Feed Pump....................................................................... 94 4-4-3 Fuel System.......................................................................... 95 4-4-4 Fuel Injection Valve................................................................. 95 4-4-5 Governor Mechanism................................................................... 96 4-4-6 Specification of Fuel Injection Pump................................................. 99 4-4-7 Service Data for Fuel Injection Equipment............................................100 4-5 Electrical Equipment.......................................................................101 4-5-1 Starter Motor........................................................................101 4-5-2 Alternator...........................................................................103 4-5-3 Air Heater...........................................................................104 5 HYDRAULIC SYSTEM................................................................................105 5-1 Outline....................................................................................106 5-1-1 Control Valve Operation..............................................................109 5-1-2 Additional Operation of Control Valve................................................111 5-2 Hydraulic Circuit Schematic................................................................112 5-2-1 Standard Specifications..............................................................112 5-3 Circuit Operation..........................................................................113 5-3-1 Boom.................................................................................113 5-3-2 Arm..................................................................................115 5-3-3 Bucket...............................................................................117 5-3-4 Swing................................................................................119 5-3-5 Boom Swing...........................................................................121 5-3-6 Blade................................................................................123 5-3-7 Travel...............................................................................125 5-3-8 Simultaneous Operation of Travel and Boom/Bucket.....................................127 5-3-9 Simultaneous Operation of Travel and Arm/Boom Swing..................................129 5-3-10 Simultaneous Operation of Boom and Bucket...........................................131 5-3-11 Simultaneous Operation of Arm and Bucket............................................133 5-3-12 Hydraulic P.T.O.....................................................................135 5-4 Pressure Adjustment........................................................................137 5-4-1 Relief Valves........................................................................137 5-4-2 Swing Brake Valve....................................................................139 5-4-3 Cut-off Valve........................................................................140 6 HYDRAULIC EQUIPMENT..............................................................................142 6-1ใHydraulicใPump.............................................................................143 6-2ใControlใValve..............................................................................164 6-3ใPilotใValve................................................................................211 6-4ใSwingใMotor................................................................................212 6-5ใTravelใMotor...............................................................................232 7 ADJUSTMENTใANDใREPAIR............................................................................233 7-1 Electric Equipment of the Machine..........................................................234 7-1-1ใArrangement of Electrical Equipment and Names of Parts...............................234 7-1-2 ใMonitor and Alarm Systems...........................................................236 7-1-3ใWiringใDiagram.......................................................................240 7-2ใUndercarriage..............................................................................241 7-2-1ใOutline..............................................................................241 7-2-2ใMajorใParts..........................................................................241 7-2-3ใPointsใofใReassemblyใ(RubberใCrawlerใModels).........................................242 7-2-4ใPointsใofใReassemblyใ(SteelใCrawlerใModels)..........................................243 7-2-5ใDisassemblyใandใReassemblyใofใIdler..................................................245 7-2-6ใInstallationใofใIdlerใAssembly.......................................................246 7-2-7ใDisassemblyใandใReassemblyใofใTrackใRoller...........................................247 7-2-8ใDisassemblyใandใReassemblyใofใCarrierใRoller.........................................248 7-2-9ใDrawingใofใJig.......................................................................249 7-3ใControl....................................................................................250 7-3-1ใControlใTrain........................................................................250 7-3-2ใDisassemblyใandใReassemblyใofใMechanicalใControlใLinkage.............................251 7-3-3ใAdjustmentใofใLockใLever.............................................................253 7-3-4ใAdjustmentใofใImplementsใandใSwingใControlใLeversใ(forใSemi-longใLeverใTypeใOnly)....255 7-3-5ใAdjustmentใofใTravelใLevers..........................................................256 7-3-6ใAdjustmentใofใ2-SpeedใPedal..........................................................257 7-3-7ใAdjustmentใofใBoomใSwingใPedal.......................................................258 7-3-8ใAdjustmentใofใBladeใLever............................................................259 7-3-9ใAdjustmentใofใEngineใSpeedใControl...................................................260 7-4ใSwingใBearing..............................................................................261 7-5ใHydraulicใEquipment........................................................................262 7-5-1ใPrecautionsใforใRemovalใandใInstallation๏ผandใAssemblyใofใHydraulicใPump..............262 7-5-2ใDisassemblyใandใReassemblyใofใHydraulicใCylinder.....................................267 7-5-3ใSwivelใJoint.........................................................................268 7-5-4ใHydraulicใOilใTank...................................................................272 7-5-5ใPipingใLayout........................................................................274 7-6ใCabin......................................................................................282 8 PERIODICใINSPECTIONใANDใSERVICING................................................................283 8.ใListใofใPeriodicใInspectionใandใServicing...................................................284 9 FUEL๏ผLUBEใOILใANDใGREASEใRECOMMENDED.............................................................286 9.ใFuel๏ผLubeใOilใandใGreaseใRecommendedใ๏ฝ๏ฝใYanmar..............................................287 10 TROUBLESHOOTING.................................................................................288 10-1ใNon-breakdowns............................................................................289 10-1-1ใNaturalใReleaseใofใBucket...........................................................289 10-1-2ใDiscontinuousใArmใMovement..........................................................289 10-1-3ใDriftingใofใUpperstructureใonใQuickใTravelใOperation................................290 10-1-4ใThermalใShockใofใTravelใMotor.......................................................291 10-1-5ใElongationใofใBoomใSwingใCylinderใonใ80ใdegreesใSwing...............................292 10-1-6ใTimeใLagใonใTravelใSpeedใSwitching..................................................293 10-1-7ใFluctuationใinใOilใLevelใofใHydraulicใOilใTankใDueใtoใTemperatureใChange............294 10-2ใTroubleshooting...........................................................................295 10-2-1ใMachineใandใEngine..................................................................295 10-2-2ใElectricalใEquipmentใonใPanel.......................................................316 11 REFERENCEใDATA..................................................................................324 11-1ใSpecificationsใforใAttachment.............................................................325
PLEASE NOTE:
- This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
- Contact us atย [email protected]ย should you have any queries before your purchase or that you need any other service / repair / parts operators manual.
