Case 750M Service Manual

Part number 51418565 2 nd edition English November 2017 Replaces part number 47907863 SERVICE MANUAL 750M Tier 4A (interim) Crawler Dozer PIN NCDC75000 and above; PIN NDDC70000 and above; PIN NEDC70000 and above; PIN NFDC70000 and above; PIN NFC101000 and above

SERVICE MANUAL 750M Long Track (LT) [NCDC75000 - ], 750M Long Track (LT) [NDDC70000 - ], 750M Long Track (LT) [NEDC70000 - ], 750M Long Track (LT) [NFDC70000 - ], 750M Long Track (LT) - Tier 4A (interim) [NFC101000 - ], 750M Wide Track (WT) / Low Ground Pressure (LGP) [NCDC75000 - ], 750M Wide Track (WT) / Low Ground Pressure (LGP) [NDDC70000 - ], 750M Wide Track (WT) / Low Ground Pressure (LGP) [NEDC70000 - ], 750M Wide Track (WT) / Low Ground Pressure (LGP) [NFDC70000 - ], 750M Wide Track (WT) / Low Ground Pressure (LGP) - Tier 4A (interim) [NFC101000 - ] 51418565 10/11/2017 EN

Link Product / Engine Product Market Product Engine 750M Long Track (LT) - Tier 4A (interim) [NFC101000 - ] North America F5HFL413J*A002 750M Wide Track (WT) / Low Ground Pressure (LGP) - Tier 4A (interim) [NFC101000 - ] North America F5HFL413J*A002 750M Long Track (LT) [NCDC75000 - ] North America F5HFL413J*A002 750M Long Track (LT) [NDDC70000 - ] North America F5HFL413J*A002 750M Long Track (LT) [NEDC70000 - ] North America F5HFL413J*A002 750M Long Track (LT) [NFDC70000 - ] North America F5HFL413J*A002 750M Wide Track (WT) / Low Ground Pressure (LGP) [NCDC75000 - ] North America F5HFL413J*A002 750M Wide Track (WT) / Low Ground Pressure (LGP) [NDDC70000 - ] North America F5HFL413J*A002 750M Wide Track (WT) / Low Ground Pressure (LGP) [NEDC70000 - ] North America F5HFL413J*A002 750M Wide Track (WT) / Low Ground Pressure (LGP) [NFDC70000 - ] North America F5HFL413J*A002 51418565 10/11/2017

Contents INTRODUCTION Maintenance .............................................................................. 00 [00.150] Start-up ............................................................................. 00.1 [00.AAA] Maintenance generic sub-group................................................... 00.2 Engine....................................................................................... 10 [10.001] Engine and crankcase ............................................................. 10.1 [10.216] Fuel tanks .......................................................................... 10.2 [10.206] Fuel ﬁlters .......................................................................... 10.3 [10.202] Air cleaners and lines .............................................................. 10.4 [10.250] Turbocharger and lines............................................................. 10.5 [10.501] Exhaust Gas Recirculation (EGR) exhaust treatment.............................. 10.6 [10.400] Engine cooling system ............................................................. 10.7 [10.414] Fan and drive ...................................................................... 10.8 [10.310] Aftercooler.......................................................................... 10.9 [10.304] Engine lubrication system ........................................................ 10.10 Power coupling ........................................................................... 19 [19.100] Drive shaft .......................................................................... 19.1 Hydrostatic drive ......................................................................... 29 [29.218] Pump and motor components ...................................................... 29.1 [29.202] Hydrostatic transmission ........................................................... 29.2 Brakes and controls .................................................................... 33 [33.110] Parking brake or parking lock ...................................................... 33.1 [33.202] Hydraulic service brakes ........................................................... 33.2 Hydraulic systems....................................................................... 35 [35.000] Hydraulic systems .................................................................. 35.1 [35.300] Reservoir, cooler, and ﬁlters........................................................ 35.2 51418565 10/11/2017

[35.104] Fixed displacement pump .......................................................... 35.3 [35.359] Main control valve .................................................................. 35.4 [35.741] Dozer blade cylinders .............................................................. 35.5 [35.525] Auxiliary hydraulic valves and lines ................................................ 35.6 Tracks and track suspension ........................................................ 48 [48.130] Track frame and driving wheels .................................................... 48.1 [48.100] Tracks .............................................................................. 48.2 [48.134] Track tension units ................................................................. 48.3 [48.138] Track rollers ........................................................................ 48.4 [48.140] Dropbox and ﬁnal drive ............................................................ 48.5 Cab climate control ..................................................................... 50 [50.100] Heating ............................................................................. 50.1 [50.104] Ventilation .......................................................................... 50.2 [50.200] Air conditioning ..................................................................... 50.3 Electrical systems ....................................................................... 55 [55.000] Electrical system ................................................................... 55.1 [55.100] Harnesses and connectors ......................................................... 55.2 [55.015] Engine control system.............................................................. 55.3 [55.201] Engine starting system ............................................................. 55.4 [55.301] Alternator ........................................................................... 55.5 [55.302] Battery.............................................................................. 55.6 [55.202] Cold start aid ....................................................................... 55.7 [55.011] Fuel tank system ................................................................... 55.8 [55.014] Engine intake and exhaust system................................................. 55.9 [55.640] Electronic modules ............................................................... 55.10 [55.030] Service brake electrical system .................................................. 55.11 [55.512] Cab controls ...................................................................... 55.12 [55.050] Heating, Ventilation, and Air-Conditioning (HVAC) control system............... 55.13 51418565 10/11/2017

[55.518] Wiper and washer system........................................................ 55.14 [55.408] Warning indicators, alarms, and instruments .................................... 55.15 [55.989] Exhaust Gas Recirculation (EGR) electrical system ............................. 55.16 [55.DTC] FAULT CODES .................................................................. 55.17 Lubrication system ...................................................................... 71 [71.460] Grease lubrication system ......................................................... 71.1 Dozer blade and arm................................................................... 86 [86.110] Dozer blade ........................................................................ 86.1 Tools ......................................................................................... 89 [89.128] Ripper assembly ................................................................... 89.1 Platform, cab, bodywork, and decals ............................................. 90 [90.150] Cab ................................................................................. 90.1 [90.151] Cab interior ......................................................................... 90.2 [90.154] Cab doors and hatches ............................................................ 90.3 [90.120] Mechanically-adjusted operator seat ............................................... 90.4 [90.124] Pneumatically-adjusted operator seat.............................................. 90.5 [90.110] Operator platform less cab ......................................................... 90.6 51418565 10/11/2017

51418565 10/11/2017

INTRODUCTION 51418565 10/11/2017 1

Contents INTRODUCTION Foreword - Important notice regarding equipment servicing .................................... 3 Safety rules (*) .................................................................................. 4 Safety rules - Personal safety .................................................................. 5 Safety rules - Ecology and the environment (*) ................................................. 7 Safety rules - Do not operate tag ............................................................... 8 Torque - Minimum tightening torques for normal assembly ..................................... 9 Torque - Standard torque data for hydraulics ................................................. 14 Torque - Standard torque data for hydraulic connections ..................................... 30 Torque ........................................................................................ 37 Basic instructions - Shop and assembly (*) ................................................... 40 Engine cooling system - Basic instructions ................................................... 42 Maintenance chart ............................................................................ 44 Basic instructions - Moving a disabled machine .............................................. 45 Hydraulic contamination ...................................................................... 55 Capacities ..................................................................................... 56 General specification ......................................................................... 57 Conversion factors ............................................................................ 64 Consumables Loctite® Product Chart ........................................................ 66 Product identification .......................................................................... 72 Product identification - Machine orientation .................................................. 74 (*) See content for specific models 51418565 10/11/2017 2

INTRODUCTION Foreword - Important notice regarding equipment servicing All repair and maintenance work listed in this manual must be carried out only by qualified dealership personnel, strictly complying with the instructions given, and using, whenever possible, the special tools. Anyone who performs repair and maintenance operations without complying with the procedures provided herein shall be responsible for any subsequent damages. The manufacturer and all the organizations of its distribution chain, including - without limitation - national, regional, or local dealers, reject any responsibility for damages caused by parts and/or components not approved by the manufacturer, including those used for the servicing or repair of the product manufactured or marketed by the manufacturer. In any case, no warranty is given or attributed on the product manufactured or marketed by the manufacturer in case of damages caused by parts and/or components not approved by the manufacturer. The manufacturer reserves the right to make improvements in design and changes in specifications at any time without notice and without incurring any obligation to install them on units previously sold. Specifications, descriptions, and illustrative material herein are as accurate as known at time of publication but are subject to change without notice. In case of questions, refer to your CASE CONSTRUCTION Sales and Service Networks. 51418565 10/11/2017 3

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Case 750M Service Manual

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