New Holland T7.270 Auto Command Power Repair Manual

Part number 47524342 English June 2013 Replaces part number 84476222A SERVICE MANUAL T7.220 / T7.235 / T7.250 / T7.260 / T7.270 Auto Command ™ Tractor T7.220 / T7.235 / T7.250 / T7.260 Power Command ™ Tractor

Contents INTRODUCTION Engine....................................................................................... 10 [10.001] Engine and crankcase ............................................................. 10.1 [10.102] Pan and covers .................................................................... 10.2 [10.216] Fuel tanks .......................................................................... 10.3 [10.210] Lift pump and lines ................................................................. 10.4 [10.218] Fuel injection system ............................................................... 10.5 [10.250] Turbocharger and lines............................................................. 10.6 [10.254] Intake and exhaust manifolds and mufﬂer ......................................... 10.7 [10.500] Selective Catalytic Reduction (SCR) exhaust treatment ........................... 10.8 [10.400] Engine cooling system ............................................................. 10.9 [10.414] Fan and drive .................................................................... 10.10 [10.408] Oil cooler and lines ............................................................... 10.11 Transmission.............................................................................. 21 [21.113] Powershift transmission ............................................................ 21.1 [21.155] Powershift transmission internal components...................................... 21.2 [21.160] Creeper ............................................................................ 21.3 [21.166] Overdrive ........................................................................... 21.4 [21.504] Continuously Variable Transmission (CVT) ........................................ 21.5 [21.505] Continuously Variable Transmission (CVT) external controls ...................... 21.6 [21.506] Continuously Variable Transmission (CVT) lubrication system .................... 21.7 [21.507] Continuously Variable Transmission (CVT) internal components .................. 21.8 [21.109] Transmission cooler and lines...................................................... 21.9 Four-Wheel Drive (4WD) system .................................................. 23 [23.202] Electro-hydraulic control ........................................................... 23.1 [23.314] Drive shaft .......................................................................... 23.2 Front axle system ....................................................................... 25 47524342 29/05/2013

[25.100] Powered front axle ................................................................. 25.1 [25.102] Front bevel gear set and differential ............................................... 25.2 [25.108] Final drive hub, steering knuckles, and shafts ..................................... 25.3 [25.122] Axle suspension control ............................................................ 25.4 Rear axle system ........................................................................ 27 [27.100] Powered rear axle .................................................................. 27.1 [27.106] Rear bevel gear set and differential ................................................ 27.2 [27.120] Planetary and ﬁnal drives .......................................................... 27.3 Power Take-Off (PTO) ................................................................. 31 [31.101] Rear mechanical control ........................................................... 31.1 [31.104] Rear electro-hydraulic control ...................................................... 31.2 [31.114] Two-speed rear Power Take-Off (PTO) ............................................ 31.3 [31.116] Three-speed rear Power Take-Off (PTO) .......................................... 31.4 [31.119] Four-speed rear Power Take-Off (PTO) ............................................ 31.5 [31.146] Front Power Take-Off (PTO) ....................................................... 31.6 Brakes and controls .................................................................... 33 [33.202] Hydraulic service brakes ........................................................... 33.1 [33.110] Parking brake or parking lock ...................................................... 33.2 [33.220] Trailer brake hydraulic control ...................................................... 33.3 [33.224] Trailer brake pneumatic control .................................................... 33.4 [33.350] Anti-lock Brake System (ABS) ..................................................... 33.5 Hydraulic systems....................................................................... 35 [35.000] Hydraulic systems .................................................................. 35.1 [35.300] Reservoir, cooler, and ﬁlters........................................................ 35.2 [35.106] Variable displacement pump ....................................................... 35.3 [35.102] Pump control valves................................................................ 35.4 [35.105] Charge pump ....................................................................... 35.5 [35.322] Regulated/Low pressure system ................................................... 35.6 47524342 29/05/2013

[35.204] Remote control valves ............................................................. 35.7 [35.220] Auxiliary hydraulic pump and lines ................................................. 35.8 [35.114] Three-point hitch control valve ..................................................... 35.9 [35.160] Front hitch controls and lines .................................................... 35.10 [35.162] Front hitch cylinders and lines ................................................... 35.11 Pneumatic system ...................................................................... 36 [36.100] Pneumatic system.................................................................. 36.1 Hitches, drawbars, and implement couplings .................................. 37 [37.120] Rear three-point hitch linkage ...................................................... 37.1 [37.162] Front hitch .......................................................................... 37.2 [37.110] Rear three-point hitch .............................................................. 37.3 [37.106] Automatic pickup hitch ............................................................. 37.4 Frames and ballasting ................................................................. 39 [39.100] Frame .............................................................................. 39.1 Steering..................................................................................... 41 [41.101] Steering control .................................................................... 41.1 [41.106] Tie rods............................................................................. 41.2 [41.200] Hydraulic control components...................................................... 41.3 [41.216] Cylinders ........................................................................... 41.4 [41.432] Autoguidance steering ............................................................. 41.5 Wheels ...................................................................................... 44 [44.511] Front wheels........................................................................ 44.1 [44.520] Rear wheels ........................................................................ 44.2 Cab climate control ..................................................................... 50 [50.100] Heating ............................................................................. 50.1 [50.104] Ventilation .......................................................................... 50.2 [50.200] Air conditioning ..................................................................... 50.3 Electrical systems ....................................................................... 55 47524342 29/05/2013

[55.610] Ground speed control .............................................................. 55.1 [55.000] Electrical system ................................................................... 55.2 [55.100] Harnesses and connectors ......................................................... 55.3 [55.015] Engine control system.............................................................. 55.4 [55.301] Alternator ........................................................................... 55.5 [55.302] Battery.............................................................................. 55.6 [55.988] Selective Catalytic Reduction (SCR) electrical system ............................ 55.7 [55.640] Electronic modules ................................................................. 55.8 [55.513] Cab transmission controls.......................................................... 55.9 [55.024] Transmission control system ..................................................... 55.10 [55.020] Transmission speed sensors ..................................................... 55.11 [55.021] Transmission pressure sensors .................................................. 55.12 [55.022] Transmission temperature sensors .............................................. 55.13 [55.045] Front axle control system ........................................................ 55.14 [55.048] Rear Power Take-Off (PTO) control system ..................................... 55.15 [55.049] Front Power Take-Off (PTO) control system ..................................... 55.16 [55.031] Parking brake electrical system .................................................. 55.17 [55.035] Remote control valve electric control ............................................ 55.18 [55.051] Cab Heating, Ventilation, and Air-Conditioning (HVAC) controls................. 55.19 [55.050] Heating, Ventilation, and Air-Conditioning (HVAC) control system............... 55.20 [55.047] Steering control system .......................................................... 55.21 [55.523] Cab hitch controls ................................................................ 55.22 [55.130] Rear three-point hitch electronic control system ................................. 55.23 [55.911] Global Positioning System (GPS) ................................................ 55.24 [55.680] Autopilot/Autoguidance .......................................................... 55.25 [55.408] Warning indicators, alarms, and instruments .................................... 55.26 [55.350] Anti-lock Brake System (ABS) electrical system ................................. 55.27 [55.032] Trailer brake electrical system ................................................... 55.28 [55.030] Service brake electrical system .................................................. 55.29 47524342 29/05/2013

[55.DTC] FAULT CODES .................................................................. 55.30 Platform, cab, bodywork, and decals ............................................. 90 [90.100] Engine hood and panels ........................................................... 90.1 [90.150] Cab ................................................................................. 90.2 47524342 29/05/2013

47524342 29/05/2013

INTRODUCTION 47524342 29/05/2013 1

Contents INTRODUCTION Advice - Important notice regarding equipment servicing ...................................... 3 Foreword - How to use and navigate through this manual ..................................... 4 Safety rules ..................................................................................... 9 Safety rules ................................................................................... 10 Torque - Minimum tightening torques for normal assembly ................................... 12 Torque - Standard torque data for hydraulics ................................................. 17 General speciﬁcation - Biodiesel Fuels ....................................................... 19 Capacities ..................................................................................... 20 T7.220-270 AutoCommand, T7.220-260 Power Command Consumables Lubrications and Coolants ..................................................... 21 47524342 29/05/2013 2

INTRODUCTION Advice - 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 information in this manual is up-to-date at the date of the publication. It is the policy of the manufacturer for continuous improvement. Some information could not be updated due to modiﬁcations of a technical or commercial type, or changes to the laws and regulations of different countries. In case of questions, refer to your Sales and Service Networks. 47524342 29/05/2013 3

New Holland T7.270 Auto Command Power Repair Manual

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