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Case IH MAXXUM 100 Service Manual
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Case IH MAXXUM 100 Service Manual

Tractor with/without multicontroller
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MAXXUM 100
MAXXUM 110
MAXXUM 115
MAXXUM 120
MAXXUM 125
MAXXUM 130
MAXXUM 140
Tractor with/without Multicontroller
SERVICE MANUAL
Part number 84276322ANA
English
November 2010

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Summary of Contents for Case IH MAXXUM 100

  • Page 1 MAXXUM 100 MAXXUM 110 MAXXUM 115 MAXXUM 120 MAXXUM 125 MAXXUM 130 MAXXUM 140 Tractor with/without Multicontroller SERVICE MANUAL Part number 84276322ANA English November 2010...
  • Page 2 SERVICE MANUAL MAXXUM 100 , MAXXUM 110 Multicontroller , MAXXUM 110 , MAXXUM 115 Multicontroller , MAXXUM 115 , MAXXUM 120 Multicontroller , MAXXUM 120 , MAXXUM 125 Multicontroller , MAXXUM 125 , MAXXUM 130 Multicontroller , MAXXUM 130 , MAXXUM 140 Multicontroller , MAXXUM 140 84276322A 31/05/2010 Find manuals at https://best-manuals.com...
  • Page 3 Contents INTRODUCTION HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMSA PRIMARY HYDRAULIC POWER SYSTEM ..........A.10.A PRIMARY HYDRAULIC POWER SYSTEM Closed center mechanical remote valve .
  • Page 4 FRONT AXLE ................D.10.A REAR AXLE .
  • Page 5 84276322A 31/05/2010 Find manuals at https://best-manuals.com...
  • Page 6 INTRODUCTION 84276322A 31/05/2010 Find manuals at https://best-manuals.com...
  • Page 7 Contents INTRODUCTION Foreword ..................3 Safety rules .
  • Page 8 INTRODUCTION Foreword Technical Information This manual has been produced by a new technical information system. This new system is designed to deliver technical information electronically through CD-ROM and in paper manuals. A coding system called ICE has been developed to link the technical information to other Product Support functions e.g. Warranty. Technical information is written to support the maintenance and service of the functions or systems on a customers machine.
  • Page 9 INTRODUCTION How to Use this Manual This manual is divided into Sections. Each Section is then divided into Chapters. Contents pages are included at the beginning of the manual, then inside every Section and inside every Chapter. An alphabetical Index is included at the end of a Chapter.
  • Page 10 INTRODUCTION This manual contains these Sections. The contents of each Section are explained over the following pages. Contents INTRODUCTION DISTRIBUTION SYSTEMS POWER PRODUCTION POWER TRAIN TRAVELLING BODY AND STRUCTURE TOOL POSITIONING CROP PROCESSING Section Contents SECTION A, DISTRIBUTION SYSTEMS This Section covers the main systems that interact with most of the functions of the product. It includes the central parts of the hydraulic, electrical, electronic, pneumatic, lighting and grease lubrication systems.
  • Page 11 INTRODUCTION Chapters Each Chapter is identified by a letter and number combination e.g. Engine B.10.A The first letter is identical to the Section letter i.e. Chapter B.10 is inside Section B, Power Production. CONTENTS The Chapter Contents lists all the technical data (specifications), functional data (how it works), service data (remove, install adjust, etc..) and diagnostic data (fault codes and troubleshooting) that have been written in that Chapter for that function or system on the machine.
  • Page 12 INTRODUCTION Information Units and Information Search Each chapter is composed of information units. Each information unit has the ICE code shown in parentheses which indicates the function and the type of information written in that information unit. Each information unit has a page ref- erence within that Chapter.
  • Page 13 INTRODUCTION Important information All repair and maintenance works listed in this manual must be carried out only by staff belonging to the Case I H Service network, strictly complying with the instructions given and using, whenever required, the special tools. Anyone who carries out the above operations without complying with the prescriptions shall be responsible for the subsequent damages.
  • Page 14 INTRODUCTION Safety rules IMPORTANT NOTICE All maintenance and repair operations described in this manual should be carried out exclusively by authorised work- shops. All instructions should be carefully observed and special equipment where indicated should be used. Anyone who carries out service operations described without carefully observing these instructions will be directly responsible for any damage caused.
  • Page 15 INTRODUCTION Do not wear rings, wristwatches, jewels, unbuttoned or flapping clothing such as ties, torn clothes, scarves, open • jackets or shirts with open zips which could get caught on moving parts. Use approved safety clothing such as anti-slipping footwear, gloves, safety goggles, helmets, etc. Wear safety glasses with side guards when cleaning parts using compressed air.

  • Page 16: Table Of Contents

    INTRODUCTION charging, leave the battery compartment uncovered to improve ventilation. Avoid sparks or flames near the battery area. Do no smoke. Do not charge batteries in confined spaces. • Always disconnect the batteries before performing any type of service on the electrical system. •...

  • Page 17: Health And Safety Precautions

    INTRODUCTION FUELS - see Fire, Legal Aspects, Chemicals - General, Solvents....GAS CYLINDERS - see Fire......... . GENERAL WORKSHOP TOOLS AND EQUIPMENT.

  • Page 18: Do's

    INTRODUCTION Skin and eye contact should be avoided and the manufacturers instructions followed. Cyanoacrylate adhesives (super-glues) must not contact the skin or eyes. If skin or eye tissue is bonded cover with a clean moist pad and get medical attention. do not attempt to pull tissue apart. Use in well ventilated areas as vapours can cause irritation of the nose and eyes.

  • Page 19: Do Nots

    INTRODUCTION Do organise work practices and protective clothing to avoid soiling of the skin and eyes; breathing vapours/aerosols/ dusts/fumes; inadequate container labelling; fire and explosion hazards. Do wash before job breaks; before eating, smoking, drinking or using toilet facilities when handling chemical materials. Do keep work areas clean, uncluttered and free of spills.

  • Page 20: Exhaust Fumes

    INTRODUCTION Ensure that the cables of mobile electrical equipment cannot get trapped and damaged, such as in a vehicle hoist. Use air operated mobile equipment where possible in preference to electrical equipment. In cases of electrocution:- switch off electricity before approaching victim •...
  • Page 21 INTRODUCTION Individuals with chronic respiratory diseases, asthma, bronchial medical problems or histories of allergic diseases should not work with or near uncured materials. The components, vapours, spray mists can cause direct irritation, sensitivity reactions and may be toxic or harmful. Vapours and spray mists must not be breathed.
  • Page 22 INTRODUCTION Gases see Gas Cylinders. Gas Shielded Welding see Welding. Gas Welding see Welding. GENERAL WORKSHOP TOOLS AND EQUIPMENT It is essential that all tools and equipment are maintained in good condition and the correct safety equipment used where required. Never use tools or equipment for any purpose other than that for which they were designed.
  • Page 23 INTRODUCTION PAINTS see Solvents and Chemical Materials - General. Highly Flammable, Flammable. One Pack. Can contain harmful or toxic pigments, driers and other components as well as solvents. Spraying should only be carried out with adequate ventilation. Two Pack. Can also contain harmful and toxic unreacted resins and resin hardening agents. The manufacturers instructions should be followed and the section of page 5 on resin based adhesives, isocyanate containing Adhesives and Foams should be consulted.
  • Page 24 INTRODUCTION Avoid splashes to the skin, eyes and clothing. Wear protective gloves, goggles and clothing if necessary. Ensure good ventilation when in use, avoid breathing fumes, vapours and spray mists and keep containers tightly sealed. Do not use in confined spaces. When the spraying material contains solvents, e.g.
  • Page 25 INTRODUCTION SPECIAL PRECAUTIONS MUST BE TAKEN BEFORE ANY WELDING OR CUTTING TAKES PLACE ON VESSELS WHICH HAVE CONTAINED COMBUSTIBLE MATERIALS, E.G. BOILING OR STEAMING OUT OF FUEL TANKS. White Spirit see Solvents. ECOLOGY AND THE ENVIRONMENT Soil, air and water are vital factors of agriculture and life in general. Where legislation does not yet rule the treatment of some of the substances which are required by advanced technology, common sense should govern the use and disposal of products of a chemical and petrochemical nature.
  • Page 26 INTRODUCTION Torque Minimum hardware tightening torques for normal assembly applications unless otherwise stated NOTICE: Shown below is the suggested initial torque tightening sequences for general applications, tighten in se- quence from item 1 through to the last item of the hardware. df5019-1 Imperial hardware Nominal...
  • Page 27 INTRODUCTION Metric hardware Nominal CLASS 5.8 CLASS 5.8 CLASS 8.8 CLASS 8.8 CLASS 10.9 CLASS 10.9 LOCKNUT Size UNPLATED UNPLATED UNPLATED UNPLATED UNPLATED UNPLATED CL.8 w/CL8.8 BOLT 1.7 Nm 2.2 Nm 2.6 Nm 3.4 Nm 3.7 Nm 4.8 Nm 1.8 Nm 15 lb in 19 lb in 23 lb in...
  • Page 28 INTRODUCTION 20083682 Identification - Cap screws and carriage bolts 1. SAE grade 2 2. SAE grade 5 3. SAE grade 8 4. Regular nuts 5. SAE grade 5 hex nuts 6. SAE grade 8 hex nuts 20083683 Locknuts - grade identification Grade A : no notches Grade B : one circumferential notch Grade C : two circumferential notches...
  • Page 29 INTRODUCTION 20083685 Locknuts - grade identification Grade A : no marks Grade B : letter B Grade C : letter C 84276322A 31/05/2010...
  • Page 30 INTRODUCTION Consumables Lubrications and Coolants Lubrications The correct engine oil viscosity grade is dependent upon ambient temperature. Refer to the chart when selecting oil for your tractor engine. SS09J076 NOTE: In areas where prolonged periods of extreme temperatures are encountered, local lubricant practices are acceptable;...
  • Page 31 INTRODUCTION Coolants To reduce the amount of deposits and corrosion, the water used in the cooling system must comply with the following values. Total Hardness Chloride Sulphate 300 parts per million 100 parts per million 100 parts per million Using Plain water If you reside in a country where antifreeze is not available, use clean water premixed with 5% chemical inhibitor.
  • Page 32 (46.5 US gal) (66 US gal) COOLING SYSTEM (with cab) 25 l (6.6 US gal) *) only for North America *23 l (6.1 US gal) MAXXUM 100, 110 and 115 21 l 23 l 21 l (5.5 US (6.1 US COOLING SYSTEM (less cab) (5.5 US gal)
  • Page 33 INTRODUCTION 84276322A 31/05/2010...
  • Page 34 SERVICE MANUAL HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS MAXXUM 100 , MAXXUM 110 Multicontroller , MAXXUM 110 , MAXXUM 115 Multicontroller , MAXXUM 115 , MAXXUM 120 Multicontroller , MAXXUM 120 , MAXXUM 125 Multicontroller , MAXXUM 125 , MAXXUM 130 Multicontroller ,...
  • Page 35 PRIMARY HYDRAULIC POWER SYSTEM ..........A.10.A MAXXUM 100 , MAXXUM 110 Multicontroller , MAXXUM 110 , MAXXUM 115 Multicontroller , MAXXUM 115 , MAXXUM 120 Multicontroller...
  • Page 36 ELECTRONIC SYSTEMS - A PRIMARY HYDRAULIC POWER SYSTEM - 10.A MAXXUM 100 , MAXXUM 110 Multicontroller , MAXXUM 110 , MAXXUM 115 Multicontroller , MAXXUM 115 , MAXXUM 120 Multicontroller , MAXXUM 120 , MAXXUM 125 Multicontroller , MAXXUM 125 , MAXXUM 130 Multicontroller ,...
  • Page 37 Hydraulic schema (16x16 CCLS with Mechanical Draft Control) ....... . . 52 MAXXUM 100, MAXXUM 110, MAXXUM 115, MAXXUM 120, MAXXUM 125, MAXXUM 130, MAXXUM 140 Hydraulic schema (24x24 CCLS with Electronic Draft Control) .
  • Page 38 Exploded view ................80 SERVICE Hydraulic pump Fixed displacement pump - Remove .
  • Page 39 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM - Torque BSE3603A BRJ4969C 84276322A 31/05/2010 A.10.A / 4...
  • Page 40 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM - Special tools DESCRIPTION PART NUMBER Tee adaptor 11/16 ORFS female x 380000570* 11/16 ORFS male x 7/16 UNF female Adaptor M10 banjo x 7/16 UNF 380000572* female Adaptor 7/16 UNF female x M12 x...
  • Page 41 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM Hydraulic pump Fixed displacement pump - General specification Filter Type Full-flow, screw-on cartridge Location Pump intake, on the R.H. side of the rear axle housing PUMP Type Gear type, with oil suction from transmission casing Location On the R.H.
  • Page 42 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM Hydraulic pump Variable displacement pump - General specification Variable Displacement Piston Pump Type (Swash Plate Controlled) Rotation Clockwise Minimum Pump Speed 800 RPM Maximum Pump Speed 2662 RPM Pump Speed @ 2200 RPM (enginespeed) 2514 RPM Displacement...
  • Page 43 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM BRJ4969C 84276322A 31/05/2010 A.10.A / 8...
  • Page 44 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM Charge pump - General specification Type Rotor Pump Displacement 57 cm³/rev (3.48 in³/rev) 143 l/min (31.5 UK gpm) Output (new pump) @ 2200 RPM (enginespeed) 37.8 US gpm Charge Pressure Filter Dump Valve Open @ 6 bar (87 psi) Charge Pressure Limiting Valve...
  • Page 45 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM - Overview - Variable Displacement Pump High Pressure Hydraulic Circuit 16 x 16 Models. 84276322A 31/05/2010 A.10.A / 10...
  • Page 46 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM 84276322A 31/05/2010 A.10.A / 11...
  • Page 47 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM Variable Displacement Pump High Pressure Hydraulic Circuit 16 x 16 Models 1 To Additional Remote Control Valves 2 End Plate With Pilot Line Pressure Reducing Valve and Load Sensing Shuttle Valve 3 Variable Displacement Hydraulic Pump 4 Low Pressure Switch...
  • Page 48 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM BSF4140A 84276322A 31/05/2010 A.10.A / 13...
  • Page 49 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM 84276322A 31/05/2010 A.10.A / 14...
  • Page 50 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM - Static description The hydraulic systems can be separated into the following circuits:- High Pressure Circuit Hydraulic Lift Assembly. Remote Control Valves. Trailer Brake (Where Fitted) Suspended Front Axle.
  • Page 51 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM BSE3575A Figure 2 shows the variable displacement pump with a 16 x 16 Transmission and ARGO hydraulic oil filter fitted to later models.. BAIL07APH323ASA Figure 3 shows the fixed displacement pump with a 24 x 24 Transmission. BSE3665A Closed centre remote valves (1) and Electronic draft control .
  • Page 52 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM (2). Drop rate control knob (3). Height limit control knob (4). Slip limit control knob BSE2884A Maxxum Models with armrest unit from Serial No. Z9BE40001- and Z9BE60001- BRL6436B The lift arm position control is unique to tractors with electronic draft control.
  • Page 53 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM BRE1483B The closed centre model tractors can also have electro-hydraulic remote valves (1). BSE3604B Located below the Electronic Draft Control valve (Where fitted), is the Hydraulic Power Tapping port (Power Beyond) block.
  • Page 54 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM Mechanical remote control valves BSE3664A Located below the Electronic Draft Control valve (Where fitted), is the Hydraulic Power Tapping port (Power Beyond) block. This includes a priority valve and also a low pressure regulating valve. This block also has a flange plate which allows the addition of a trailer brake valve.
  • Page 55 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM BAIL09CCM793AVA Tractors installed with 24 x 24 transmission uses two control levers. The main transmission lever (1) is provided with push buttons (2) and (3) to actuate the Dual Command function. These tractors can use either variable displacement pump or a fixed displacement pump.
  • Page 56 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM CLOSED CENTRE LOAD SENSING HIGH PRESSURE HYDRAULIC CIRCUIT 1b0o2004061057 High Pressure Circuit Components and Pipework Tractors with Variable Flow Piston Pump 1 Remote and EDC Control Valves 2 Trailer Brake Valve 3 Load Sense Lines 4 Flow and Pressure Compensator Valve...
  • Page 57 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM The principal of operation of the closed centre load sensing high pressure hydraulic circuit with variable flow piston pump is to supply oil flow on demand. It also enables simultaneous operation of the trailer brakes, hydraulic lift, remote control valve assemblies and front axle suspension where fitted.
  • Page 58 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM Figure 20 shows the variable displacement pump assembly. Integral with the high pressure variable displacement pump is the load sensing valve, containing the pressure and flow compensating valves, the steering pump , the charge pressure and main system filters and various electrical switches.
  • Page 59 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM BSE3662A Trailer brake valve which is located beneath the cab just in front of the hydraulic lift assembly. The valve diverts oil pressure to the trailer brakes whenever both tractor brake pedals are depressed. BSE3599A The hydraulic lift Electronic Draft Control Valve is a stack type design mounted together with the Remote Control Valves (1) at the rear below the cab, and incorporates the safety valve for the lift cylinders...
  • Page 60 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM BSE3604B Hydraulic Lift Cylinders. Models with mechanical draft control utilize a main lift cylinder which is located internally within the rear axle top cover and also one or two 50 mm external cylinders depending on specification , Figure 27. BSE3844A Models with electronic draft control utilize two external cylinders, one per lift arm, anchored to the rear axle with a bracket, Figure 28.
  • Page 61 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM BSE3668A Maxxum Models with armrest unit from Serial No. Z9BE40001 and Z9BE60001 BAIL07APH357HSA Front axle to front support hydraulic control cylinder (1). BSE3769A Hydraulic system filters. Figure 32 shows the main hydraulic filter (1) for tractors fitted with 12 x 12 Transmission with mechanical draft control. BSE3021A Figure 33 shows the main hydraulic filters for tractors with fixed displacement hydraulic pump.
  • Page 62 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM BSE2928A 1. Intake Filter 2. Transmission Feed Pressure Filter The main filter (3) and the charge filter (1) Figure 34 are only installed on tractors with variable displacement pump (CCLS system).
  • Page 63 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM BSE3576A_435 Maxxum Models with armrest unit from Serial No. Z9BE40001 and Z9BE60001 BAIL06CCM063ASA High Pressure Hydraulic System, Fixed Displacement Pump - Electrical Switches BSE3661A 1. Oil Temperature Switch 2.
  • Page 64 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM High Pressure Hydraulic System, Variable Displacement Pump(CCLS) - Electrical Switches BSE3573A 1. Intake Filter restriction (vacuum) Switch 2. Low Oil Temperature Switch 3. Low Charge Pressure Warning Switch BAIL07APH325ASA 1.
  • Page 65 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM BSE2868B Load Sensing Shuttle Valve. Located in each remote valve slice, the Electronic Draft Control valve and between the trailer brake valve, front sus- pension valve and mid-mounted valves, where fitted, is the load sensing shuttle valve (2). This allows the function with the highest pressure demand to send sensing pressure to the load sensing valve, Figure 44, on the variable displacement pump.
  • Page 66 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM If pump output pressure is less than the combined pressure of the load sense line and spring force of the flow con- trol valve, then pump output continues to increase. When circuit demand is satisfied pump pressure overcomes the combined pressure of the load sense line and flow compensating valve spring.
  • Page 67 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM The high pressure hydraulic circuits for tractors installed with mechanically controlled hydraulic lift are shown in Fig- ures 52 and include the components shown on the following pages. Fixed displacement hydraulic pump assembly comprising of the high pressure gear pump and steering/low pressure gear pump .
  • Page 68 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM BSE3664A_442 On tractors which are fitted with mechanical hydraulic lift, the lift cylinder control valve (1) assembly is located at the front of the hydraulic lift assembly. The lift cylinder safety valve is mounted on the rear face of the control valve which must be removed to obtain access.
  • Page 69 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM Oil is drawn through the common intake port and filter to both the high and steering/low pressure pump assemblies. The high pressure pump supplies constant oil flow according to engine speed, through the trailer brake and remote valves via a subplate at the bottom of the remote valve stack.
  • Page 70 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM Tractors With Mechanical Hydraulic Lift Hydraulic Lift Operating Steering System System Pressure Trapped Oil Low Pressure Return to Lubrication Oil Circuit Oil 17 - 18 Reservoir Oil bar ( 246 - 261 lbf/in²) Suction Oil...
  • Page 71 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM - Overview - Variable Displacement Pump High Pressure Hydraulic Circuit 24 x 24 Models. 84276322A 31/05/2010 A.10.A / 36...
  • Page 72 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM 84276322A 31/05/2010 A.10.A / 37...
  • Page 73 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM Variable Displacement Pump Closed Centre Load Sensing Hydraulic Circuit 24 x 24 Models 1 To Additional Remote Control Valves 2 End Plate With Load Sensing Shuttle Valve 3 Variable Displacement Hydraulic Pump 4 Mid Mounted Remote Control Valve 5 Low Pressure Switch...
  • Page 74 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM BSF4140B 84276322A 31/05/2010 A.10.A / 39...
  • Page 75 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM 84276322A 31/05/2010 A.10.A / 40...
  • Page 76 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM - Overview - Fixed Displacement Pump Hydraulic Circuit 12 x 12 and 24 x 24 Models 84276322A 31/05/2010 A.10.A / 41...
  • Page 77 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM Fixed Displacement Pump Hydraulic Circuit 12 x 12 and 24 x 24 Models 1 Remote Control Valves 2 Low Pressure Services Manifold 4 Low Pressure Warning Lamp 3 Steering Motor 5 Low Pressure Switch 6 Steering Pump...
  • Page 78 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM BSF4139A 84276322A 31/05/2010 A.10.A / 43...
  • Page 79 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM - Hydraulic schema Tractors with 12 x 12 Transmission with Fixed Displacement Pump and Mechanical Draft Control 1. Steering Motor 2. Oil Cooler 3.
  • Page 80 HYDRAULIC - PNEUMATIC - ELECTRICAL - ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM BRH3222A 84276322A 31/05/2010 A.10.A / 45...
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