john deer 850JR, Operation & Test Technical Manual

Page 1: ...850JR Crawler Dozer Operation and Test OPERATION TEST TECHNICAL MANUAL 850JR MCT Crawler Dozer TM10779 03MAY19 ENGLISH Worldwide Construction And Forestry Division PRINTED IN U S A...

Page 2: ...Operation and tests sections help you identify the majority of routine problems quickly Information is organized in groups for the various components requiring service instruction At the beginning of...

Page 3: ...0 References Section 9025 Hydraulic System Group 05 Theory Group 15 Diagnostic Information Group 25 Tests Section 9026 Hydrostatic System Group 05 Theory of Operation Group 15 Diagnostic Information G...

Page 4: ...Contents TM10779 03MAY19 ii 850JR MCT Crawler Dozer 050319 PN 2...

Page 5: ...erly 9000 01 5 Prepare for Emergencies 9000 01 5 Cab Guarding For Special Uses 9000 01 6 Use Steps and Handholds Correctly 9000 01 6 Start Only From Operator s Seat 9000 01 6 Use and Maintain Seat Bel...

Page 6: ...ore information Please click here Then get the complete manual NOTE If there is no response to click on the link above please download the PDF document first and then click on it Have any questions pl...

Page 7: ...Contents TM10779 03MAY19 9000 2 850JR MCT Crawler Dozer 050319 PN 2...

Page 8: ...nd on the machine Follow these warnings and instructions carefully Review them frequently Keep safety signs in good condition Replace missing or damaged safety signs Be sure new equipment components a...

Page 9: ...roducts or attachments may affect machine stability or reliability and may create a hazard for the operator or others near the machine The installer of any modification which may affect the electronic...

Page 10: ...hours or gangrene may result Doctors unfamiliar X9811 UN 23AUG88 with this type of injury should reference a knowledgeable medical source Such information is available in English from Deere Company M...

Page 11: ...lines exhaust components and electrical wiring Never store oily rags or flammable materials inside a machine compartment Maintain Hoses and Wiring Replace hydraulic hoses immediately if they begin to...

Page 12: ...e of Waste Properly Improper disposal of waste can threaten the environment Fuel oils coolants filters and batteries used with this machine may be harmful if not disposed of properly Never pour waste...

Page 13: ...ith steps and handrails Never use machine controls as handholds Use extra care when mud snow or moisture present slippery conditions Keep steps clean and free of grease or oil Never jump when exiting...

Page 14: ...erly Avoid operating near structures or objects that could fall onto the machine Clear away debris that could move unexpectedly if run over Avoid boom or attachment contact with overhead obstacles or...

Page 15: ...Riders Off Machine Avoid Backover Accidents Before moving machine be sure all persons are clear of the machine path Turn around and look directly for best visibility Use mirror to assist in checking b...

Page 16: ...on stockpile materials or near banks or excavations that may cave in and cause machine to tip or fall Avoid machine damage on slopes Use extra care to operate machine T133716 19 17APR13 T138416 UN 22...

Page 17: ...32 19 17APR13 TS229 UN 23AUG88 Service Cooling System Safely Explosive release of fluids from pressurized cooling system can cause serious burns Do not service radiator through the radiator cap Only f...

Page 18: ...o nearby pressurized lines Remove paint properly Do not inhale paint dust or fumes Use a qualified welding technician for structural repairs T133547 UN 15APR13 Make sure there is good ventilation Wear...

Page 19: ...Safety TM10779 03MAY19 9000 01 12 850JR MCT Crawler Dozer 050319 PN 18...

Page 20: ...estricted 9001 10 9 Fan Oil Filter Restricted Diagnostic Procedure 9001 10 9 Page Group 20 Engine Control Unit ECU Diagnostic Trouble Codes Engine Control Unit ECU Diagnostic Trouble Codes 9001 20 1 G...

Page 21: ...um Calibration Value Too High 9001 30 28 604 16 FNR Neutral Switch Maximum Calibration Value Too High 9001 30 28 Page 604 17 FNR Neutral Switch Minimum Calibration Value Too Low 9001 30 29 604 18 FNR...

Page 22: ...Coil Short Diagnostic Procedure 9001 30 62 Page 522448 15 Right Reverse Pump Threshold Calibration Value Too High 9001 30 63 Right Reverse Pump Threshold Calibration Value Too High Diagnostic Procedu...

Page 23: ...8 14 TCU Not Calibrated Sensor Pump Motor 9001 30 78 523436 07 TCU Watchdog Timer Exceeded 9001 30 78 523577 05 Left Motor Solenoid Open Circuit 9001 30 79 523577 06 Left Motor Solenoid Short Circuit...