New Holland T1254B Service Manual Download Page 5

Page: 5 / 81

[33.202] Hydraulic service brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.1

[33.110] Parking brake or parking lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.2

[33.220] Trailer brake hydraulic control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.3

[33.204] Front axle brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.4

Hydraulic systems....................................................................... 35

[35.000] Hydraulic systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.1

[35.300] Reservoir, cooler, and filters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.2

[35.104] Fixed displacement pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.3

[35.106] Variable displacement pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.4

[35.105] Charge pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.5

[35.322] Regulated/Low pressure system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.6

[35.204] Remote control valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.7

[35.220] Auxiliary hydraulic pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.8

[35.114] Three-point hitch control valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.9

[35.116] Three-point hitch cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.10

[35.160] Front hitch controls and lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.11

Hitches, drawbars, and implement couplings.................................. 37

[37.110] Rear three-point hitch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37.1

[37.120] Rear three-point hitch linkage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37.2

[37.162] Front hitch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37.3

[37.166] Front hitch linkage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37.4

Frames and ballasting ................................................................. 39

[39.140] Ballasts and supports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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

48144036 04/08/2017

Find manuals at https://best-manuals.com

Summary of Contents for T1254B

Page 1: ...H Industrial Harbin Machinery Co Ltd All rights reserved SERVICE MANUAL T1254B T1404B Tractor Part number 48144036 1st edition English August 2017 SERVICE MANUAL T1254B T1404B Tractor 1 3 Part number...

Page 2: ...SERVICE MANUAL T1254B CKD T6050 NH CAB 6CY T1254B SKD TT T6050Plus T1404B CKD T6070 NH CAB 6CY T1404B SKD TT T6070Plus 48144036 04 08 2017 EN Find manuals at https best manuals com...

Page 3: ...11 10 250 Turbocharger and lines 10 12 10 254 Intake and exhaust manifolds and muffler 10 13 10 400 Engine cooling system 10 14 10 414 Fan and drive 10 15 10 310 Aftercooler 10 16 Clutch 18 18 104 Clu...

Page 4: ...shaft 23 2 Front axle system 25 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...

Page 5: ...trol valves 35 7 35 220 Auxiliary hydraulic pump 35 8 35 114 Three point hitch control valve 35 9 35 116 Three point hitch cylinder 35 10 35 160 Front hitch controls and lines 35 11 Hitches drawbars a...

Page 6: ...ctronic modules 55 9 55 045 Front axle control system 55 10 55 048 Rear Power Take Off PTO control system 55 11 55 035 Remote control valve electric control 55 12 55 051 Cab Heating Ventilation and Ai...

Page 7: ...Platform cab bodywork and decals 90 90 150 Cab 90 1 90 100 Engine hood and panels 90 2 48144036 04 08 2017 Find manuals at https best manuals com...

Page 8: ...INTRODUCTION 48144036 04 08 2017 1 Find manuals at https best manuals com...

Page 9: ...4 Foreword Ecology and the Environment 9 Safety rules 10 Torque Minimum tightening torques for normal assembly 22 Torque Standard torque data for hydraulic connections 27 Capacities 34 Consumables Lub...

Page 10: ...ution chain including without limitation national regional or local dealers reject any responsibility for damages due to the anomalous behavior of parts and or components not approved by the manufactu...

Page 11: ...ta specifications the functional data how it works the diagnostic data fault codes and troubleshooting and the service data remove install adjust etc By integrating SAP coding into technical informati...

Page 12: ...tems on the machine Each Section is identified by a number 00 35 55 etc The Sections included in the manual will depend on the type and function of the machine that the manual is written for Each Sect...

Page 13: ...Separation X 73 Residue handling X 74 Cleaning X 75 Soil preparation Finishing 76 Secondary cleaning Destemmer 77 Seeding X 78 Spraying X 79 Planting X 80 Crop storage Unloading X 82 Front loader and...

Page 14: ...10 001 TECHNICAL DATA ENGINE Engine and crankcase General specification 10 001 D 40 A 10 4 FUNCTIONAL DATA ENGINE Engine and crankcase Dynamic description 10 001 C 30 A 10 6 SERVICE ENGINE Engine and...

Page 15: ...he chapters of the service manual After B there may be some additional information In this case it shows 01 which represents the Front block cover These options may be front rear left right hydraulic...

Page 16: ...m contain substances which may be harmful to your health Modern oils contain additives Do not burn contaminated fuels and or waste oils in ordinary heating systems Avoid spillage when draining off use...

Page 17: ...erein and follow advised precautions to avoid potential hazards and safeguard your safety In this manual you will find this symbol together with the following key words WARNING it gives warning about...

Page 18: ...gun should always remain in contact with the filler neck Maintain this contact until the fuel stops flowing into the tank to avoid possible sparks due to static electricity build up To transfer a fai...

Page 19: ...m with the inflated tyre assembled To remove the wheels block both front and rear tractor wheels Raise the tractor and install safe and stable supports under the tractor in accordance with regulations...

Page 20: ...g Do not breathe mists Ensure access to water and soap is readily available for splashing accidents ADHESIVES AND SEALERS see Fire Highly Flammable Flammable combustible Generally should be stored in...

Page 21: ...must be found immediately ARC WELDING see Welding BATTERY ACIDS see Acids and Alkalis Gases released during charging are explosive Never use naked flames or allow sparks near charging or recently cha...

Page 22: ...in toxic or harmful quantities Do Not use emptied containers for other materials except when they have been cleaned under supervised conditions Do Not sniff or smell chemical materials Brief exposure...

Page 23: ...ct Precautions should be taken to avoid excessive skin contact through careful organisation of work practices and the use of gloves FIRE see Welding Foams Legal Aspects Many of the materials found on...

Page 24: ...ess Ensure there is adequate ventilation when handling and using gasolene Great care must be taken to avoid the serious consequences of inhalation in the event of vapour build up arising from spillage...

Page 25: ...ious injury LEGAL ASPECTS Many laws and regulations make requirements relating to health and safety in the use of materials and equipment in workshops Always conform to the laws and regulations applic...

Page 26: ...ved Some fumes may be produced by the application of any flame to surfaces coated with grease etc and inhalation of these should be avoided Removal of excess solder should be undertaken with care to e...

Page 27: ...ses are particularly hazardous in this respect Personal protection must be worn and screens used to shield other people Metal spatter will also occur and appropriate eye and skin protection is necessa...

Page 28: ...siderable spillage 2 In general avoid skin contact with all fuels oils acids solvents etc Most of them contain substances which can be harmful to your health 3 Modern oils contain additives Do not bur...

Page 29: ...m lb ft M10 57 42 82 60 24 17 45 33 M12 100 74 143 105 41 30 79 38 M14 159 117 227 168 66 48 125 92 M16 248 183 354 261 102 75 195 144 M18 352 260 487 359 145 107 268 198 M20 500 369 690 509 206 152 3...

Page 30: ...cknuts Classes CL 05 and upward NHIL14RB00663AA 2 Metric hex nut identification markings 1 Manufacturer s identification 3 Property class 2 Clockwise type markings indicate property class and may incl...

Page 31: ...16 85 164 121 64 47 90 67 9 16 0 5625 in 167 123 236 174 92 68 130 96 5 8 0 625 in 231 170 326 240 127 94 179 132 3 4 0 75 in 410 302 578 426 226 166 318 234 7 8 0 875 in 660 486 931 687 363 267 512 3...

Page 32: ...2 No line marks Grade 5 Three line marks Grade 8 Six line marks Grade 2 No circumferential line marks Grade 5 Two circumferential line marks located 120 apart Grade 2 Two circumferential line marks lo...

Page 33: ...fication marking Grade Marking description Grade A No marks Grade B hex nut and Grade F flange nut Three raised or indented dot marks Marks do not have to be in corners Grade C hex nut and Grade F fla...

Page 34: ...ease or other lubricants to hydraulic connectors should be avoided If clean hydraulic oil is already on the connection it is not required to remove the oil Generally application of grease May cause a...

Page 35: ...7 220 162 3 132 97 4 M48 x 2 440 324 5 264 194 7 273 201 4 164 121 M60 x 2 525 387 2 315 232 3 330 243 4 198 146 S Series connectors are used with O Ring Face Seals ORFS L Series connectors are used w...

Page 36: ...Face Seals ORFS L Series connectors are used with 37 flare Torque values for metric port connections Metric face seal ports and stud ends Metric tube Outside Diameter OD mm in Ferrous Non Ferrous Metr...

Page 37: ...Series connectors are used with O Ring Face Seals ORFS L Series connectors are used with 37 flare Torque values for inch O Ring Boss ORB port adjustable connections S Series L Series SAE dash size UN...

Page 38: ...25 1 M8 x 1 25 34 25 1 19 3 4 M10 x 1 5 74 54 6 M10 x 1 5 74 54 6 25 1 M10 x 1 5 74 54 6 M12 x 1 75 137 101 M12 x 1 75 137 101 32 1 1 4 M10 x 1 5 74 54 6 M14 x 1 5 189 139 4 38 1 1 2 M12 x 1 75 137 1...

Page 39: ...0 228 6 127 5 5 8 11 310 228 6 Tapered thread connection tightening British Standard Pipe Taper BSPT thread size inch National Pipe Thread Fuel NPTF thread size inch Turns from finger tight 1 8 28 1 8...

Page 40: ...connection instead of O Ring Face Seals ORFS sizes 16 and up Torque values for 37 flare connections Joint Industry Council JIC SAE dash size UN UNF thread size Metric tube OD mm Inch tube OD mm Swive...

Page 41: ...Duty axle 58 l 15 3 US gal n a 58 l 15 3 US gal n a with 12x12 Heavy Duty axle 65 l 17 2 US gal n a 65 l 17 2 US gal n a with 24x24 Light Duty axle 58 5 l 15 5 US gal n a 58 5 l 15 5 US gal n a with 2...

Page 42: ...e used in conjunction with other oils Use the following procedure to replace standard oil with biodegradable lubricant 1 Operate the tractor until the oil that is being changed reaches a temperature g...

Page 43: ...al attention Wash skin with soap and water after use Keep out of reach of children Lubrications and Coolant Specifications RECOMMENDED FLUIDS AND APPLICATIONS NH SPECIFICATION INTERNATIONAL SPECIFICAT...

Page 44: ...SERVICE MANUAL Engine T1254B CKD T6050 NH CAB 6CY T1254B SKD TT T6050Plus T1404B CKD T6070 NH CAB 6CY T1404B SKD TT T6070Plus 48144036 04 08 2017 10...

Page 45: ...Crankshaft and flywheel 10 6 10 110 Balancer and damper 10 7 10 114 Pump drives 10 8 10 210 Lift pump and lines 10 9 10 218 Fuel injection system 10 10 10 202 Air cleaners and lines 10 11 10 250 Turbo...

Page 46: ...Engine 10 Engine and crankcase 001 T1254B CKD T6050 NH CAB 6CY T1254B SKD TT T6050Plus T1404B CKD T6070 NH CAB 6CY T1404B SKD TT T6070Plus 48144036 04 08 2017 10 1 10 001 1...

Page 47: ...fication 4 Cylinder 4 valve Electronic Boosted Engines F4DE9487B J F4DE9487A J F4DE948A J100 13 Special tools 13 Dimension Stretch Bolt Check for reuse 14 Crankcase Dimension 16 FUNCTIONAL DATA Crankc...

Page 48: ...closed 3rd phase 90 5 Ladder Frame retaining screw M10 1 5x25 38 48 N m 28 35 lb ft Bolts securing lifting brackets M12 1 75x25 44 56 N m 32 41 lb ft M10 38 48 N m 28 35 lb ft Bolts securing cooler se...

Page 49: ...o figure 5 M10 1 5x40 65 37 49 N m 27 36 lb ft M12 1 75x25 75 85 N m 55 63 lb ft Bolts securing exhaust manifold on 4 cylinder head refer to figure 6 M8 1 25x25 20 30 N m 15 22 lb ft M8 1 25x14 20 30...

Page 50: ...20 28 N m 15 21 lb ft Coolant pump crankcase fastener M8 1 25x25 8 8 Hex 1st phase 20 28 N m 15 21 lb ft 2nd phase 37 49 N m 27 36 lb ft Tightener fastener M10 1 5x60 9 8 Fig Fan mounting fastener M1...

Page 51: ...23 N m 13 17 lb ft Air temperature sensor fastener on intake manifold M6 1x20 2 4 N m 1 3 lb ft Air pressure and temperature sensor fastener on intake manifold M5 2 4 N m 1 3 lb ft Fuel pressure sens...

Page 52: ...se 80362 2 Tightening sequence for 6 cylinder engine cover nuts 80737 3 Tightening sequence for 4 cylinder engine cover nuts 80365 4 Tightening sequence for 6 cylinder exhaust manifold bolts 48144036...

Page 53: ...Engine Engine and crankcase 80738 5 Tightening sequence for 4 cylinder exhaust manifold bolts 80363 6 Tightening sequence for cooler bolts 48144036 04 08 2017 10 1 10 001 8...

Page 54: ...e Engine and crankcase 80367_89 7 Tightening sequence for engine oil sump bolts 6 cylinder engines 80739 8 Tightening sequence for engine oil sump bolts 4 cylinder engines 48144036 04 08 2017 10 1 10...

Page 55: ...Tightening sequence for turbocharger nuts and bolts Sequence Pre tightening4 3 1 2 Tightening 1 4 2 3 80364 10 Tightening sequence for additional counterweight bolts 4 cylinder engines only 80368 11...

Page 56: ...re relief valve oil filter Oil pressure with engine hot at slow idling 1 2 bar 17 40 psi at fast idling 3 8 bar 55 10 psi Cooling system Fluid based Coolant pump drive Via belt Thermostat starts to op...

Page 57: ...375 RPM 2375 RPM Turbocharger type HOLSET Lubrication Forced via lobe pump pressure relief valve oil filter Oil pressure with engine hot at slow idling 1 2 bar 17 40 psi at fast idling 3 8 bar 55 10 p...

Page 58: ...Fluid based Coolant pump drive Via belt Thermostat starts to open fully open 81 96 C 177 80 204 80 F Filling NEW HOLLAND AMBRA SUPER GOLD 15W 40 engine sump capacity filter 10 l 2 64 US gal Cycle Dies...

Page 59: ...upply leakage test kit 297617 Engine support brackets to be used with 297471 380000844 Engine support brackets to be used with 297617 Locally Fabricated Tools BVE0405A 1 Cab Jacking Tool x2 Tractors w...

Page 60: ...Engine Engine and crankcase BAIL06CCM024ASA 1 If D1 D2 0 1 mm 0 0039 in the bolt can be reused If D1 D2 0 1 mm 0 0039 in the bolt must be renewed 48144036 04 08 2017 10 1 10 001 15...

Page 61: ...Engine Engine and crankcase Crankcase Dimension BAIL07APH373HMA 1 NOTE If the cylinders need regrinding make sure all are bored to the same oversize 0 4 mm 0 0157 in 48144036 04 08 2017 10 1 10 001 16...

Page 62: ...ned integral with the cylinder block during the manufacturing process Cylinders are in line and vertical and numbered 1 to 4 from the front to the rear of the engine The block incorporates hydraulic t...

Page 63: ...nt axle and front support from the engine see Axle support Remove Front support and front axle 25 100 1 Remove the engine hood see Hood Remove 90 100 2 Disconnect the exhaust manifold from the turboch...

Page 64: ...osition of the driveline oil cooler hoses BVE0279A_36 4 6 Disconnect the engine harness electrical connectors BVE0403A_37 5 7 Disconnect the cab heater coolant hose 1 Disconnect the air conditioning h...

Page 65: ...ng nut 1 and detach the throttle ca ble from the fuel injection pump 2 BVE0222A_40 8 All Tractors 10 Disconnect the brake fluid lines 1 2 and 3 from the brake fluid reservoir BVE0219A_41 9 11 Disconne...

Page 66: ...3 11 Tractors with Standard Cab 13 Loosen the cab front mounting bolt while holding the nut 1 under the cab floor Remove the bolt and wash ers Repeat this step for the left hand side of the cab BVE023...

Page 67: ...ning compressor condenser receiver dryer and pipe work from the engine as a complete assembly without disconnecting the pipe work NOTICE If it is not possible to remove the air conditioning components...

Page 68: ...A 17 19 Disconnect the fuel supply and return lines 1 from the fuel tank level sender BVE0281A_46 18 20 Loosen the hose clamp 1 and disconnect the coolant hose from the expansion tank Disconnect the a...

Page 69: ...23 Remove the engine harness clamp retaining bolts and reposition the engine harness on top of the engine BVE0304A 22 24 Remove the air cleaner mounting frame retaining bolts BVE0305A 23 25 Remove the...

Page 70: ...leaner mount ing frame BVE0307A 25 27 Remove the coolant expansion tank pipe support bracket retaining bolt 1 and the alternator guard retaining bolt 2 BVE0308A 26 28 Remove the fan belt tensioner and...

Page 71: ...ankcase 30 Using a suitable chain connect the engine to a hoist Remove the engine to transmission retaining bolts and remove the engine BVE0311A 29 Next operation Engine Install 10 001 48144036 04 08...

Page 72: ...of all bystanders Failure to comply could result in death or serious injury W0398A CAUTION Pinch hazard Always use suitable tools to align mating parts DO NOT use your hand or fingers Failure to compl...

Page 73: ...A_47 3 4 Install the fan belt tensioner and the support bracket BVE0309A 4 5 Install the coolant expansion tank pipe support bracket retaining bolt 1 and the alternator guard retaining bolt 2 BVE0308A...

Page 74: ...ng frame retaining bolts BVE0306A 7 8 Install the air cleaner mounting frame retaining bolts BVE0305A 8 9 Install the engine harness clamp retaining bolts BVE0304A 9 10 Connect the alternator electric...

Page 75: ...se clamp 1 Connect the air cleaner vacuum switch electrical con nector 2 Connect the air cleaner hose to the turbocharger and tighten the hose clamp 3 BVE0301A 12 13 Connect the fuel supply and return...

Page 76: ...r condenser re ceiver dryer and pipe work to the engine as a complete assembly without disconnecting the pipe work BVE0298A 16 17 Install the air conditioning compressor drive belt Tighten the tension...

Page 77: ...enly BVE0404A_45 18 19 Install the cab front mounting bolt washers and nut Tighten to the specified torque value Repeat this step for the left hand side of the cab BVE0233B_48 19 20 Attach the flywhee...

Page 78: ...brake fluid reservoir BVE0219A_41 22 Tractors with Mechanical Fuel Injection Pump 23 Attach the throttle cable to the fuel injection pump 2 and tighten the retaining nut 1 BVE0222A_40 23 All Tractors...

Page 79: ...e 1 Connect the air conditioning hoses 2 and 3 BVE0217A_38 25 27 Connect the engine harness electrical connectors BVE0403A_37 26 28 Connect the driveline oil cooler hoses and tighten the hose clamps 1...

Page 80: ...en the hose clamp 1 BVE0278A_35 29 31 Install the exhaust manifold and the retaining bolts 2 Connect the exhaust to the turbocharger 1 BVE0277A_34 30 32 Install the engine hood see Hood Install 90 100...

Page 81: ...This as a preview PDF file from best manuals com Download full PDF manual at best manuals com...

Search results

Summary of Contents for T1254B

Reviews:

Brands by name

Popular brands

New Holland T1254B, Service Manual

Search results

Summary of Contents for T1254B

Reviews:

Brands by name

Popular brands