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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. This moves the spool in the flow com-
pensating valve to the right, allowing control pressure oil to be directed to the variable flow swash plate servo piston,
which de-strokes the pump to adjust output to circuit demand.
For a detailed explanation on the load sensing operating principle of the variable flow piston pump refer to

Hydraulic

pump Fixed displacement pump - Static description (A.10.A)

.

High Pressure oil is fed to a subplate at the bottom of the remote valve stack where it is directed to the Trailer Brake
valve which has priority for safety reasons. The oil is then redirected to the Electronic Draft Control Valve and the
Electro-Hydraulic Remote Valves. Within the subplate is a pressure compensating valve which diverts the oil to the
low pressure system at a pressure of

17 - 18 bar

.

High Pressure oil is also fed to the top of the Remote Valve stack through an end plate which incorporates a pressure
limiting valve and this supplies oil at

20 - 22 bar

to the pilot line galleries in the Electro-Hydraulic Remote Valves.

Surplus oil from the charge pump to the variable displacement pump is fed past the

0.8 bar

valve and boosts the

pressure in the lubrication circuit.

Refer to

PRIMARY HYDRAULIC POWER SYSTEM - Overview (A.10.A)

.

FIXED DISPLACEMENT HIGH PRESSURE HYDRAULIC CIRCUIT

BSE3806A

45

High Pressure Circuit Components and Pipework

Tractors with Mechanical Hydraulic Lift and Fixed Displacement Hydraulic Pump

1 Remote Control Valves

2 Feed To Mechanical Draft Control Valve

3 Mechanical Draft Control Valve

4 Steering Pump (Steering Circuit)

5 High Pressure Circuit Gear Pump

6 Hose To Pressure Relief Valve

7 Feed To Lift Cylinder

8 Pressure Relief Valve(

195 - 205 Bar

)

9 High Pressure Feed To Remote Valve Stack

On high pressure hydraulic systems with fixed displacement pump, all components are connected in series and pump
flow is continually circulating through the hydraulic system even when the circuits are not being operated.
The priority of operation is given to the order of components in the circuits, that is trailer brakes, remote valves and
hydraulic lift.

84276322A 31/05/2010

A.10.A / 31

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Содержание MAXXUM 100

Страница 1: ...served Case IH is a registered trademark of CNH America LLC Racine Wisconsin 53404 U S A MAXXUM 100 MAXXUM 110 MAXXUM 115 MAXXUM 120 MAXXUM 125 MAXXUM 130 MAXXUM 140 Tractor with without Multicontroller Part number 84276322ANA English November 2010 SERVICE MANUAL ...

Страница 2: ...XUM 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 ...

Страница 3: ...M A 30 A ELECTRICAL POWER SYSTEM A 30 A ELECTRONIC SYSTEM A 50 A FAULT CODES A 50 A ENGINE AND PTO IN B ENGINE B 10 A FUEL AND INJECTION SYSTEM B 20 A AIR INTAKE SYSTEM B 30 A EXHAUST SYSTEM B 40 A ENGINE COOLANT SYSTEM B 50 A STARTING SYSTEM B 80 A TRANSMISSION DRIVE AND PTO OUT C POWER COUPLING Clutch C 10 C TRANSMISSION Mechanical C 20 B TRANSMISSION Power Shuttle C 20 C TRANSMISSION Semi Power...

Страница 4: ...ON Hydraulic D 40 C WHEELS AND TRACKS Wheels D 50 C FRAME AND CAB E FRAME Primary frame E 10 B SHIELD E 20 A USER CONTROLS AND SEAT E 32 A USER PLATFORM E 34 A ENVIRONMENT CONTROL Heating ventilation and air conditioning E 40 D HITCH AND WORKING TOOL H HITCH Front hitch H 10 B HITCH Rear hitch H 10 C HITCH Electronic draft control H 10 D 84276322A 31 05 2010 Find manuals at https best manuals com ...

Страница 5: ...84276322A 31 05 2010 Find manuals at https best manuals com ...

Страница 6: ...INTRODUCTION 84276322A 31 05 2010 1 Find manuals at https best manuals com ...

Страница 7: ...Contents INTRODUCTION Foreword 3 Safety rules 9 Torque 21 Consumables Lubrications and Coolants 25 Capacities 27 84276322A 31 05 2010 2 Find manuals at https best manuals com ...

Страница 8: ...rks the diagnostic data fault codes and troubleshooting and the service data remove install adjust etc By integrating this new ICE coding into technical information you will be able to search and retrieve just the right piece of technical information you need to resolve that customers concern on his machine This is made possible by attaching 3 categories to each piece of technical information duri...

Страница 9: ...y assemble install for all the mechanical electrical or hydraulic devices com ponents and assemblies Sections Sections are grouped according to the main functions or a systems on the machine Each Section is identified by a letter A B C etc The amount of Sections included in the manual will depend on the type and function of the machine that the manual is written for Each Section has a Contents pag...

Страница 10: ... drive various devices SECTION C POWER TRAIN This Section covers all the functions related to the transmission of power from the engine to the axles and to internal or external devices and additional Process Drive functions SECTION D TRAVELLING This Section covers all the functions related to moving the machine including tracks wheels steering and braking It covers all the axles both driven axles ...

Страница 11: ...ER PRODUCTION ENGINE _ 10 A TECHNICAL DATA ENGINE General specification B 10 A D 40 A 10 CS6050 FUNCTIONAL DATA ENGINE Dynamic description B 10 A C 30 A 10 CS6050 SERVICE ENGINE Remove B 10 A F 10 A 10 CS6050 DIAGNOSTIC ENGINE Troubleshooting B 10 A G 40 A 10 CS6050 INDEX The Chapter Index lists in alphabetical order all the types of information called Information Units that have been written in t...

Страница 12: ... and 2 Information type A corresponds to the sections of the repair manual B corresponds to the chapters of the repair manual C corresponds to the type of information listed in the chapter contents Technical data Functional Data Diag nostic or Service A and B are also shown in the page numbering on the page footer THE REST OF THE CODING IS NOT LISTED IN ALPHANUMERIC ORDER IN THIS MANUAL You will f...

Страница 13: ...urer and all the organizations of its distribution chain including without limitation national regional or local dealers reject any responsibility for damages due to the anomalous behaviour of parts and or components not approved by the manufacturer himself including those used for the servicing or repair of the product manufactured or marketed by the Manufacturer In any case no warranty is given ...

Страница 14: ...herein 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 improper repair operations and potential consequences affecting the service technician s personal safety DANGER it gives specific warning about potential dangers for personal safety of the operator o...

Страница 15: ...g 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 failed tractor use a trailer or a low loading platform trolley if available To load and unload the machine from the transportation means select a flat area providing a firm support to the trailer or tru...

Страница 16: ...im 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 in force Deflate the tyre before removing any object caught into the tyre tread Never inflate tyres using flammable gases as they may generate explosions and cause injuries to bystanders REMOVAL AND...

Страница 17: ...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 No Smoking areas cleanliness and tidiness in use should be observed e g dispos able paper covering benches should be dispensed from applicators where possible containers including secondary containers...

Страница 18: ... 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 charged batteries BRAKE AND CLUTCH FLUIDS Polyalkylene Glycols see Fire Combustible Splashes to the skin and eyes are slightly irritating Avoid skin and eye contact as far as possible Inhalation of vapou...

Страница 19: ... 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 to high concentrations of fumes can be toxic or harmful Clutch Fluids see Brake and Clutch Fluids Clutch Linings and Pads see Brake and Clutch Linings and Pads CORROSION PROTECTION MATERIALS see Solv...

Страница 20: ...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 or associated with the repair of vehicles are highly flammable Some give off toxic or harmful fumes if burnt Observe strict fire safety when storing and handling flammable materials or solvents partic...

Страница 21: ...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 spillages in confined spaces Special precautions apply to cleaning and maintenance operations on gasolene storage tanks Gasolene should not be used as a cleaning agent It must not be siphoned by mouth Kerosen...

Страница 22: ...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 applicable to the country in which you are working Workshops should be familiar in detail with the associated laws and regulations Consult the local factory inspec torate or appropriate authority if in any ...

Страница 23: ...lved 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 ensure that fine lead dust is not produced which can give toxic effects if inhaled Respiratory protection may be necessary Solder spillage and filing should be collected and removed promptly to preven...

Страница 24: ...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 necessary The heat of the welding arc will produce fumes and gases from the metals being welded and from any applied coatings or contamination on the surfaces being worked on These gases and fumes may be tox...

Страница 25: ...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 burn contaminated fuels and or waste oils in ordinary heating systems 4 Avoid spillage when draining off used engine coolant mixtures engine gearbox and hydraulic oils brake fluids etc Do not mix drained...

Страница 26: ...m 22 lb ft 35 Nm 26 lb ft 46 Nm 34 lb ft 50 Nm 37 lb ft 65 Nm 48 lb ft 26 Nm 19 lb ft 35 Nm 26 lb ft 7 16 37 Nm 27 lb ft 47 Nm 35 lb ft 57 Nm 42 lb ft 73 Nm 54 lb ft 80 Nm 59 lb ft 104 Nm 77 lb ft 41 Nm 30 lb ft 57 Nm 42 lb ft 1 2 27 Nm 42 lb ft 73 Nm 54 lb ft 87 Nm 64 lb ft 113 Nm 83 lb ft 123 Nm 91 lb ft 159 Nm 117 lb ft 61 Nm 45 lb ft 88 Nm 64 lb ft 9 16 81 Nm 60 lb ft 104 Nm 77 lb ft 125 Nm 92...

Страница 27: ...t 79 Nm 58 lb ft 30 Nm 22 lb ft M12 49 Nm 36 lb ft 63 Nm 46 lb ft 75 Nm 55 lb ft 97 Nm 72 lb ft 107 Nm 79 lb ft 138 Nm 102 lb ft 53 Nm 39 lb ft M16 121 Nm 89 lb ft 158 Nm 117 lb ft 186 Nm 137 lb ft 240 Nm 177 lb ft 266 Nm 196 lb ft 344 Nm 254 lb ft 131 Nm 97 lb ft M20 237 Nm 175 lb ft 307 Nm 107 lb ft 375 Nm 277 lb ft 485 Nm 358 lb ft 519 Nm 383 lb ft 671 Nm 495 lb ft 265 Nm 195 lb ft M24 411 Nm 3...

Страница 28: ... 4 Regular nuts 5 SAE grade 5 hex nuts 6 SAE grade 8 hex nuts 20083683 5 Locknuts grade identification Grade A no notches Grade B one circumferential notch Grade C two circumferential notches 20083684 6 Locknuts grade identification Grade A no marks Grade B three marks Grade C six marks 84276322A 31 05 2010 23 ...

Страница 29: ...INTRODUCTION 20083685 7 Locknuts grade identification Grade A no marks Grade B letter B Grade C letter C 84276322A 31 05 2010 24 ...

Страница 30: ...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 greater than 60 C 140 F 2 Stop the engine and immediately drain the oil 3 Replace all transmission and hydraulic filters 4 Add the biodegradable oil to the correct level and run the tractor to circulat...

Страница 31: ... attention Wash skin with soap and water after use Keep out of reach of children Lubrications and Coolant Specifications RECOMMENDED FLUIDS AND APPLICATIONS CIH SPECIFICATION INTERNATIONAL SPECIFICATION ENGINE OIL AKCELA NO 1 ENGINE OIL 15W 40 AKCELA NO 1 ENGINE OIL 10W 30 MS 1121 API CI 4 ACEA E7 TRANSMISSION REAR AXLE AND HYDRAULIC SYSTEM OIL AKCELA NEXPLORE FRONT AXLE Axle and Hubs AKCELA NEXPL...

Страница 32: ...8 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 24x24 Heavy Duty axle 65 5 l 17 3 US gal n a 65 5 l 17 3 US gal with 16x16 Light Duty axle 55 5 l 14 7 US gal n a 55 5 l 14 7 US gal n a with 16x16 Heavy Duty axle 62 l 16 4 US gal 4WD FRONT AXLE DIFFERENTIAL 9 l 2 38 US gal 4WD FRON...

Страница 33: ...INTRODUCTION 84276322A 31 05 2010 28 ...

Страница 34: ...MS 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 A ...

Страница 35: ... 120 Multicontroller MAXXUM 120 MAXXUM 125 Multicontroller MAXXUM 125 MAXXUM 130 Multicontroller MAXXUM 130 MAXXUM 140 Multicontroller MAXXUM 140 ELECTRICAL POWER SYSTEM A 30 A MAXXUM 100 MAXXUM 110 Multicontroller Z7BE50001 Z9BE60000 MAXXUM 110 MAXXUM 115 Multicontroller Z7BE50001 Z9BE60000 MAXXUM 115 MAXXUM 120 Multicontroller Z7BE50001 Z9BE60000 MAXXUM 120 MAXXUM 125 Multicontroller Z7BE50001 Z...

Страница 36: ...YSTEM 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 MAXXUM 130 MAXXUM 140 Multicontroller MAXXUM 140 84276322A 31 05 2010 A 10 A 1 ...

Страница 37: ...6 Overview Fixed Displacement Pump Hydraulic Circuit 12 x 12 and 24 x 24 Models 41 Hydraulic schema 44 Hydraulic schema 16x16 CCLS with Electronic Draft Control 50 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 54 Hydraulic pump Fixed displacement pum...

Страница 38: ... Variable displacement pump Remove 86 Variable displacement pump Overhaul 88 Variable displacement pump Replace Input shaft seal 94 Variable displacement pump Install 96 Variable displacement pump Pressure test 98 Variable displacement pump Flow test 102 Test Air Ingress 103 Charge pump Overhaul 105 Compensator Overhaul 107 84276322A 31 05 2010 A 10 A 3 ...

Страница 39: ...HYDRAULIC PNEUMATIC ELECTRICAL ELECTRONIC SYSTEMS PRIMARY HYDRAULIC POWER SYSTEM PRIMARY HYDRAULIC POWER SYSTEM Torque BSE3603A 1 BRJ4969C 2 84276322A 31 05 2010 A 10 A 4 ...

Страница 40: ... Pressure Gauge 0 40 bar 5 off 380000552 Pressure Gauge 0 250 bar 380000553 Remote valve coupling 380000554 Quick release adaptor 380000543 Pressure gauge hose 380000545 1 8 NPT fitting to attach hose 292246 to gauge 380000544 T adaptor 13 16 ORFS female x 13 16 ORFS male x 7 16 UNF female 380000842 Adaptor M10 x 1 0p x 7 16 JIC male enables use of gauges with 7 16 JIC hoses if used 380000494 diag...

Страница 41: ...artridge 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 side of the rear axle housing Manufacturer BOSCH Drive Driven by PTO input shaft Corresponding rated output I min US gallon min 80 21 1 Hydraulic pump Fixed displacement pump Torque BVE0672A 1 84276322A 31 05 2010 A 10 A 6 ...

Страница 42: ...ed 800 RPM Maximum Pump Speed 2662 RPM Pump Speed 2200 RPM enginespeed 2514 RPM Displacement 45 cm rev 2 75 in rev Output new pump 2200 RPM enginespeed 113 l min 24 9 UK gpm 29 8 US gpm Standby Pressure 23 bar 1 334 psi 14 5 Maximum System Pressure 210 bar 5 3045 psi 72 5 Spike Clipper Relief Valve 245 bar 5 3553 psi 72 5 Peak Pressure 315 bar 4568 psi Hydraulic pump Variable displacement pump Tor...

Страница 43: ...HYDRAULIC PNEUMATIC ELECTRICAL ELECTRONIC SYSTEMS PRIMARY HYDRAULIC POWER SYSTEM BRJ4969C 2 84276322A 31 05 2010 A 10 A 8 ...

Страница 44: ...placement 57 cm rev 3 48 in rev Output new pump 2200 RPM enginespeed 143 l min 31 5 UK gpm 37 8 US gpm Charge Pressure Filter Dump Valve Open 6 bar 87 psi Charge Pressure Limiting Valve Open 1 72 bar 24 9 psi Charge Pressure Switch making charge pressure warning light flash Close 0 55 0 82 bar 8 11 9 psi 84276322A 31 05 2010 A 10 A 9 ...

Страница 45: ...EUMATIC 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 ...

Страница 46: ...HYDRAULIC PNEUMATIC ELECTRICAL ELECTRONIC SYSTEMS PRIMARY HYDRAULIC POWER SYSTEM 84276322A 31 05 2010 A 10 A 11 ...

Страница 47: ... Pressure Switch 5 Mid Mounted Remote Control Valve 6 Boosted Lubrication Oil 7 Front Suspension Control Valve 8 Trailer Brake Valve 9 Power Beyond Ports 10 Subplate with Low Pressure Compensator Valve 11 Feed to Low Pressure circuit 12 Lift Cylinder 13 Electronic Draft Control Valve 14 Electro Hydraulic Remote Control Valve A High Pressure Circuit Oil B Steering Circuit C Low Pressure Circuit Oil...

Страница 48: ...HYDRAULIC PNEUMATIC ELECTRICAL ELECTRONIC SYSTEMS PRIMARY HYDRAULIC POWER SYSTEM BSF4140A 1 84276322A 31 05 2010 A 10 A 13 ...

Страница 49: ...HYDRAULIC PNEUMATIC ELECTRICAL ELECTRONIC SYSTEMS PRIMARY HYDRAULIC POWER SYSTEM 84276322A 31 05 2010 A 10 A 14 ...

Страница 50: ...essure circuit is of the Closed Centre Load Sensing design on all tractor model options fed by either a Variable Displacement Pump or a Fixed Displacement Pump The steering low pressure and lubrication circuits are fed by a separate fixed displacement pump via a solenoid activated lubrication block Hydraulic Pump HPL Remote Valve Options Less Hydraulic Trailer Brakes With Hydraulic Trailer Brakes ...

Страница 51: ...ic oil filter fitted to later models BAIL07APH323ASA 2 Figure 3 shows the fixed displacement pump with a 24 x 24 Transmission BSE3665A 3 Closed centre remote valves 1 and Electronic draft control BSE3604B 4 Tractors installed with the electronic draft control hydraulic lift assembly use a unique operator control panel 1 Draft sensitivity control knob 84276322A 31 05 2010 A 10 A 16 ...

Страница 52: ...001 BRL6436B 6 The lift arm position control is unique to tractors with electronic draft control 1 Stop adjuster thumbwheel 2 Stop 3 Position control lever 4 Draft loading wheel 5 Raise lower switch BSE2892B 7 Maxxum Models with armrest unit from Serial No Z9BE40001 and Z9BE60001 The raise and lowering functions of the electronic draft control lift system can also be operated from the rear fender ...

Страница 53: ...aft Control valve Where fitted is the Hydraulic Power Tapping port Power Beyond block This includes a priority valve 1 and also a low pressure regulating valve This block also has a flange plate which allows the addition of a trailer brake valve BSF3967A_430 10 Fixed Displacement high pressure hydraulic systems can be identified from the following Fixed displacement pump BSE3572A 11 84276322A 31 0...

Страница 54: ...so has a flange plate which allows the addition of a trailer brake valve 1 Power Beyond Ports 2 Pressure Relief Valve BSE3845A 13 The type of transmission installed can be identified by inspecting the transmission control lever Tractors with 16 x 16 transmission have a single control lever 1 with two shift buttons Closed centre hydraulic system only Figure Invalid Reference shows Semi Powershift c...

Страница 55: ...n 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 BSE3688A_438 16 Tractors installed with 12 x 12 Command transmission uses two control levers These are the main shift lever 1 and the range lever 2 BSE3689A_439 17 84276322A 31 05 2010 A 10 A 20 ...

Страница 56: ... 18 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 5 Variable Flow Hydraulic Pump 6 Feed to Remote Valves 7 To Hydraulic Lift Ram 8 Feed to Electro Hydraulic Valve Pilot Line 84276322A 31 05 2010 A 10 A 21 ...

Страница 57: ...trols the pump pressure in such a way that it always exceeds the highest load pressure by a pre set difference A priority valve for low pressure circuit demand is located in the bottom subplate of the remote valve stack Tractors fitted with Electro hydraulic remote valves also have high pressure oil supplied from the variable displacement pump to the top plate of the remote valve stack The oil pas...

Страница 58: ...s BSE3575A 20 Figure 21 shows the fixed displacement pump assembly BSE3572A_434 21 Load sensing valve assembly 1 consists of a flow compensating valve 2 and a high pressure control valve 3 The load sensing valve receives hydraulic signals from operated components through the load sense line 4 and relays this to the pump which will adjust to satisfy the system demands Figure 22 shows the load sense...

Страница 59: ...e lift cylinder from shock loadings and limits the pressure in the cylinder to 210 215 bar The hydraulic lift control valve is a proportional solenoid operated valve controlled by a microprocessor to raise and lower the hydraulic lift BSE3604A 25 Closed centre load sensing remote control valves There are two types of remote valves available for the closed centre system Standard fitment are the mec...

Страница 60: ...th electronic draft control utilize two external cylinders one per lift arm anchored to the rear axle with a bracket Figure 28 BSE3666A 28 Suspended front axle control valve Located on the right hand side of the tractor and attached to the rear axle centre housing Receives high pressure oil via the trailer brake valve if fitted and with the use of processor controlled PWM valves controls oil to a ...

Страница 61: ... hydraulic control cylinder 1 BSE3769A 31 Hydraulic system filters Figure 32 shows the main hydraulic filter 1 for tractors fitted with 12 x 12 Transmission with mechanical draft control BSE3021A 32 Figure 33 shows the main hydraulic filters for tractors with fixed displacement hydraulic pump this type of pump is only fitted to tractors with 24 x 24 with mechanical draft control 84276322A 31 05 20...

Страница 62: ...stem BSE2755A 34 The main filter 1 and the charge filter 2 Figure 27 are installed on tractors with variable displacement pump CCLS system BAIS06CCM055AVA 35 1 Main Intake Suction Filter 2 Charge Filter Mid Mount Remote Valves Optional additional remote valves are mounted under the cab Connected into the high pressure oil line supplied from the hydraulic pump after the trailer brake valve and oper...

Страница 63: ...axxum Models with armrest unit from Serial No Z9BE40001 and Z9BE60001 BAIL06CCM063ASA 37 High Pressure Hydraulic System Fixed Displacement Pump Electrical Switches BSE3661A 38 1 Oil Temperature Switch 2 Intake Filter restriction vacuum Switch 3 Steering Pressure Switch 84276322A 31 05 2010 A 10 A 28 ...

Страница 64: ...striction vacuum Switch 2 Low Oil Temperature Switch 3 Low Charge Pressure Warning Switch BAIL07APH325ASA 40 1 Low Charge Pressure Warning Switch 2 Intake Filter restriction vacuum Switch 3 Low Oil Temperature Switch Steering Motor All models use a fixed displacement motor BSD2178A 41 Steering Cylinders Receives high pressure oil directly from the steering motor 84276322A 31 05 2010 A 10 A 29 ...

Страница 65: ...2 Flow Compensating Valve 3 Pressure Compensator Valve 4 Load Sensing Line BSE3660A 44 With Reference to PRIMARY HYDRAULIC POWER SYSTEM Overview A 10 A Operation of the closed centre high pressure hydraulic circuit is as follows The components in the high pressure hydraulic circuit are connected by their load sensing lines to the hydraulic load sensing valve which controls the output of the hydrau...

Страница 66: ...ystem at a pressure of 17 18 bar High Pressure oil is also fed to the top of the Remote Valve stack through an end plate which incorporates a pressure limiting valve and this supplies oil at 20 22 bar to the pilot line galleries in the Electro Hydraulic Remote Valves Surplus oil from the charge pump to the variable displacement pump is fed past the 0 8 bar valve and boosts the pressure in the lubr...

Страница 67: ...h the cab on top of the hydraulic lift cover The valve diverts oil pressure to the trailer brakes whenever the right hand tractor brake pedals is depressed This is unlike the valve installed on the closed centre system where both pedals have to be depressed in order for the valve to operate The trailer brake has absolute priority over other services in the circuit BSE3599A_441 48 The remote valves...

Страница 68: ...3 bar When the oil is cold and pressure differential across the oil cooler is higher than 6 bar 87 lbf in2 the cooler by pass valve 1 located on the right hand side of the transmission will operate to ensure that adequate flow to the lubrication circuit is maintained This feature of diverting oil from the cooler assists in aiding a rapid warm up of oil in cold weather conditions The steering pump ...

Страница 69: ...cess oil flow produced by the hydraulic pump is returned direct to the rear axle through the control valve spool located in the hydraulic lift control valve assembly Also located within the assembly is the lift cylinder safety valve which protects the lift cylinder and seals from exces sive peaks of pressure during operation For further details on operation of the mechanical hydraulic lift assembl...

Страница 70: ... 18 bar 246 261 lbf in Return to Reservoir Oil Lubrication Oil Suction Oil 1 Lift Control Valve 2 Lift Cylinder Safety Valve 3 Mechanical Hydraulic Lift Assembly 4 Steering Motor 5 Low Pressure Circuit Pressure Regulating Valve 6 Steering and Low Pressure Circuit Gear Pump 7 Fixed Displacement Pump 8 Pressure Relief Valve 195 205 Bar 9 Subplate with Pressure Compensator 10 Trailer Brake Valve 8427...

Страница 71: ...EUMATIC 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 ...

Страница 72: ...HYDRAULIC PNEUMATIC ELECTRICAL ELECTRONIC SYSTEMS PRIMARY HYDRAULIC POWER SYSTEM 84276322A 31 05 2010 A 10 A 37 ...

Страница 73: ...nted Remote Control Valve 5 Low Pressure Switch 6 Boosted Lubrication Oil 7 Front Suspension Control Valve 8 Trailer Brake Valve 9 Power Beyond Ports 10 Subplate with Low Pressure Compensator Valve 11 Feed to Low Pressure circuit 12 Lift Cylinder 13 Electronic Draft Control Valve 14 Remote Control Valve A High Pressure Circuit Oil B Steering Circuit C Low Pressure Circuit Oil D Trapped Oil E Retur...

Страница 74: ...HYDRAULIC PNEUMATIC ELECTRICAL ELECTRONIC SYSTEMS PRIMARY HYDRAULIC POWER SYSTEM BSF4140B 1 84276322A 31 05 2010 A 10 A 39 ...

Страница 75: ...HYDRAULIC PNEUMATIC ELECTRICAL ELECTRONIC SYSTEMS PRIMARY HYDRAULIC POWER SYSTEM 84276322A 31 05 2010 A 10 A 40 ...

Страница 76: ... 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 ...

Страница 77: ...4 Low Pressure Warning Lamp 5 Low Pressure Switch 6 Steering Pump 7 Fixed Displacement Pump 8 Pressure Relief Valve 195 205 bar 9 Trailer Brake Valve 10 Subplate with Low Pressure Compensator Valve 11 Mechanical Draft Control Valve A High Pressure Circuit Oil B Steering Circuit C Low Pressure Circuit Oil D Trapped Oil E Return To Reservoir Oil F Suction Oil G Charge Pump Oil H Lubrication Oil 8427...

Страница 78: ...HYDRAULIC PNEUMATIC ELECTRICAL ELECTRONIC SYSTEMS PRIMARY HYDRAULIC POWER SYSTEM BSF4139A 1 84276322A 31 05 2010 A 10 A 43 ...

Страница 79: ...be relief valve 4 Transmission Lubrication 5 Pumps Drive Lubrication 6 Mechanical Draft Control Valve 7 PTO lubrication Control Valve 8 End Plate 9 Mechanical Remote Valves 10 Sub Plate with Relief Valve and Power Beyond Tap and ports 11 Trailer Brake Valve 12 Trailer Brake Coupling 13 Italian Version Trailer Brake coupling and Solenoid Assembly 14 Low Pressure Distribution Manifold 15 Brake Pedal...

Страница 80: ...HYDRAULIC PNEUMATIC ELECTRICAL ELECTRONIC SYSTEMS PRIMARY HYDRAULIC POWER SYSTEM BRH3222A 1 84276322A 31 05 2010 A 10 A 45 ...

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

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