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jcb JZ140 T4i, Service Manual

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jcb JZ140 T4i Service Manual Download Page 49

 03 - Attachments, Couplings and Load Handling

 10 - Excavator Arm Quickhitch

 06 - Hydraulic Quickhitch

03 - 11

9813/6300-2

03 - 11

Figure 16. Electrical Schematic- Quickhitch Unlocked

A

ECU: HYDRAULIC

CONTROL ECU (J2)

C154

ECU: HYDRAULIC

CONTROL ECU (J1)

C153

JOYSTICK RH HANDLE

C095

SOLENOID: QUICK HITCH

C155

LIGHT: QUICK HITCH BOOM STATUS

C085

Q/H BUTTON PRESSED

CAB BASE EARTH

POINT (INT) (EP07)

REVOLVER EARTH

STUD (EP03)

REVOLVER EARTH

STUD (EP03)

A

Quickhitch joystick control switch pressed

C095

Joystick control switch - quickhitch

C153

HECU-connector J1

C154

HECU-connector J2

C155

Solenoid - quickhitch control valve

Summary of Contents for JZ140 T4i

Page 1: ...ng the Operator s Manual You must understand and follow the instructions in the Operator s Manual If you do not understand anything ask your employer or JCB dealer to explain it Do not operate the mac...

Page 2: ...9813 6300 2 Notes Find manuals at https best manuals com...

Page 3: ...1 JZ140 T4i JZ141 T4F EN 9813 6300 SERVICE MANUAL Volume 2 JZ140 T4i JZ141 T4F EN 9813 6300 SERVICE MANUAL Volume 3 JZ140 T4i JZ141 T4F EN 9813 6300 SERVICE MANUAL Volume 4 JZ140 T4i JZ141 T4F EN 981...

Page 4: ...Notes 9813 6300 2 Find manuals at https best manuals com...

Page 5: ...ety 01 6 01 03 18 Operating Safety 01 8 01 03 21 Worksite Safety 01 10 01 03 24 Risk Assessment 01 11 01 03 27 Maintenance Positions 01 12 01 06 About this Manual 01 06 03 Model and Serial Number 01 1...

Page 6: ...xiliary Relief Valve ECU Electronic Control Unit FEAD Front End Accessory Drive HVAC Heating Ventilation Air Conditioning MRV Main Relief Valve PIL Parts Identification List PPE Personal Protective Eq...

Page 7: ...y Yours and Others 01 3 01 03 06 Safety Warnings 01 4 01 03 09 General Safety 01 5 01 03 12 Maintenance Safety 01 6 01 03 18 Operating Safety 01 8 01 03 21 Worksite Safety 01 10 01 03 24 Risk Assessme...

Page 8: ...Notes 01 2 9813 6300 2 01 2 Find manuals at https best manuals com...

Page 9: ...hazards and how to avoid them If you do not fully understand the warning messages ask your employer or JCB dealer to explain them Safety is not just a matter of responding to the warnings All the time...

Page 10: ...ion which if not avoided could result in death or serious injury The signal word CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury The signal word N...

Page 11: ...ware of medicines which can cause drowsiness Feeling Unwell Do not attempt to operate the machine if you are feeling unwell By doing so you could be a danger to yourself and those you work with Mobile...

Page 12: ...ulic Pressure Hydraulic fluid at system pressure can injure you Before connecting or removing any hydraulic hose residual hydraulic pressure trapped in the service hose line must be vented Make sure t...

Page 13: ...composition e g charring is found refer to the next paragraph for safety instructions Do not touch component or surrounding area Used fluoroelastomeric components subjected to temperatures greater tha...

Page 14: ...y kill you or bystanders if they are inhaled Do not operate the machine in closed spaces without making sure there is good ventilation If possible install an exhaust extractor If you begin to feel dro...

Page 15: ...Modification of the machine s configuration by the user e g the fitting of large and non approved attachments may result in a restriction of the machine visibility Hands and Feet Keep your hands and...

Page 16: ...leak is suspected contact the local gas company immediately and warn all personnel on the site Ban smoking make sure that all naked lights are extinguished and switch off any engines which may be runn...

Page 17: ...nd is there sufficient fuel to complete the job if applicable The Load How heavy is it Is it within the capabilities of the machine How bulky is it The greater the surface area the more affected it wi...

Page 18: ...with the upper structure parallel to the undercarriage 2 If applicable lower the dozer blade 3 Lower the excavator so the dipper is flat on the ground Refer to Figure 2 Figure 2 4 Stop the engine 5 Re...

Page 19: ...01 Machine 06 About this Manual 01 13 9813 6300 2 01 13 06 About this Manual Contents Page No 01 06 03 Model and Serial Number 01 15 01 06 06 Using the Manual 01 16...

Page 20: ...Notes 01 14 9813 6300 2 01 14...

Page 21: ...ual 03 Model and Serial Number 01 15 9813 6300 2 01 15 03 Model and Serial Number Introduction This manual provides information for the following model s in the JCB machine range Model From To JZ140 T...

Page 22: ...able information sets are included within the same PIL reference Headings are included to identify which information is for which variant Make sure you use the correct information Systems Descriptions...

Page 23: ...If necessary replace them with new ones During assembly use new sealing elements such as gaskets and O rings Torque Tightening Use the torque tightening values contained in the individual procedures R...

Page 24: ...Control System PIL 18 00 30 Throttle control system fault Refer to Electro Hydraulic Throttle Control System PIL 18 00 40 Variable displacement hydraulic pump fault Refer to Fault Finding PIL 30 12 0...

Page 25: ...fer to Check Condition PIL 06 24 03 1 Check the slew service cycle times Refer to Check Operation PIL 30 00 15 2 Check the applicable service spools Table 8 Travel service does not operate as expected...

Page 26: ...01 Machine 09 Description 01 20 9813 6300 2 01 20 09 Description Contents Page No 01 09 12 Main Component Locations 01 21 01 09 15 Service Point Locations 01 22...

Page 27: ...mponent Locations Introduction Figure 3 D K J H A G F L C E B A Bucket B Bucket link C Bucket ram D Undercarriage E Dipper link F Dipper ram G Boom H Boom ram J Operators cab K Counterweight L Dipper...

Page 28: ...Points Hydraulics Figure 4 Upper structure B D E A C A Cover suction strainer remove tread plate for access B Breather hydraulic tank remove tread plate for access C Cover main filter remove tread pla...

Page 29: ...ription 15 Service Point Locations 01 23 9813 6300 2 01 23 Figure 5 Hydraulic and pump compartments A B D C A Servo filter element B In line filter element C Drain filter element D Auxiliary return li...

Page 30: ...oints Engine Figure 6 Upper structure A G B C D E F A Exhaust system B Engine oil level dip stick C Crankcase ventilation filter D Coolant expansion bottle E Fan belt and FEAD Front End Accessory Driv...

Page 31: ...attery cooling compartment B A C E D A Induction air filter outer B Induction air filter inner C Air filter dust valve D Cooling pack E Engine coolant drain plug access from below the machine Figure 8...

Page 32: ...01 Machine 09 Description 15 Service Point Locations 01 26 9813 6300 2 01 26 C Engine oil filter...

Page 33: ...01 Machine 33 Cleaning 01 27 9813 6300 2 01 27 33 Cleaning Contents Page No 01 33 00 General 01 29...

Page 34: ...Notes 01 28 9813 6300 2 01 28...

Page 35: ...ender the machine inoperable Remove dirt using a brush or damp cloth Clean the product with water and or steam Do not let mud debris etc to collect on the product Before you do any service procedures...

Page 36: ...aim the water jet directly at bearings oil seals or the engine air induction system Use a low pressure water jet and brush to remove dried mud or dirt Use a pressure washer to remove soft dirt and oi...

Page 37: ...300 2 2017 03 19 03 Attachments Couplings and Load Handling Contents Page No Acronyms Glossary 03 2 03 00 Attachments 03 00 00 General 03 3 03 10 Excavator Arm Quickhitch 03 10 06 Hydraulic Quickhitch...

Page 38: ...9813 6300 2 2017 03 19 Acronyms Glossary CAN Controller Area Network DECU Display Electronic Control Unit HECU Hydraulics Electronic Control Unit LED Light Emitting Diode...

Page 39: ...03 Attachments Couplings and Load Handling 00 Attachments 03 1 9813 6300 2 03 1 00 Attachments Contents Page No 03 00 00 General 03 3...

Page 40: ...Notes 03 2 9813 6300 2 03 2...

Page 41: ...y the gradients on which it is safe to operate or the safe distance from power lines Practice using attachments off the job before working with them for the first time JCB attachments are designed and...

Page 42: ...ad and unload on firm level ground Always be alert for possible hazards Take special care when turning or reversing DANGER Before lowering the attachments to the ground make sure that the machine and...

Page 43: ...03 Attachments Couplings and Load Handling 10 Excavator Arm Quickhitch 03 5 9813 6300 2 03 5 10 Excavator Arm Quickhitch Contents Page No 03 10 06 Hydraulic Quickhitch 03 7...

Page 44: ...Notes 03 6 9813 6300 2 03 6...

Page 45: ...normal attachment at the dipper and tipping link A hydraulically operated latch mechanism enables quickhitch compatible attachments to be installed and removed without the need to leave the cab The e...

Page 46: ...00 2 03 8 Component Identification Figure 10 A A B B C A Dipper position sensing housing B Boom position sensor housing C LED Light Emitting Diode indicator Figure 11 A A A Solenoid valve Figure 12 Ha...

Page 47: ...15 to cancel the request When the HECU receives the input from the switch it will inform the DECU Display Electronic Control Unit via the CAN Controller Area Network bus of a quickhitch unlock request...

Page 48: ...INT INT EP07 ECU HYDRAULIC CONTROL ECU J2 SENSOR ALIGNMENT ARM C154 C158 SENSOR ALIGNMENT BOOM C157 SENSOR PRESSURE QUICK HITCH C156 BUCKET CROWD SELECTED REVOLVER EARTH STUD EP03 REVOLVER EARTH STUD...

Page 49: ...J2 C154 ECU HYDRAULIC CONTROL ECU J1 C153 JOYSTICK RH HANDLE C095 SOLENOID QUICK HITCH C155 LIGHT QUICK HITCH BOOM STATUS C085 Q H BUTTON PRESSED CAB BASE EARTH POINT INT EP07 REVOLVER EARTH STUD EP0...

Page 50: ...Notes 03 12 9813 6300 2 03 12...

Page 51: ...This as a preview PDF file from best manuals com Download full PDF manual at best manuals com...

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