JCB Midi CX Backhoe Loader Backhoe Loader Repair Service Manual
JCB Midi CX Backhoe Loader Backhoe Loader Repair Service Manual
(S/N: 972021 to 985136 - S/N: 1327001 to 1349999) - This service manual PDF download for the Midi CX JCB Backhoe Loader has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to fully at every opportunity.
APPLICABLE MODELS :
JCB Backhoe Loader Midi CX S/N: 972021 to 985136 S/N: 1327001 to 1349999
TABLE OF CONTENTS :
Section 1 - General Information Section 2 - Care and Safety Section 3 - Maintenance Section A - Attachments Section B - Body and Framework Section C - Electrics Section D - Controls Section E - Hydraulics Section F - Transmission Section G - Brakes Section H - Steering Section K - Engine
MANUAL SPECIFICATION :
File Format : PDF Language : English Printable : Yes Searchable : Yes Bookmarked : Yes Publication No. : 9803/9400-08 Total Pages : 623
This service manual / repair manual / workshop manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same manual your local dealer will use when doing a repair. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!
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9803-9400
Section 1 General Information Introduction About this Publication Using the Service Manual Section Numbering Units of Measurement Left Side, Right Side Cab/Canopy Cross References Identifying the Machine Machine Identification Plate Component Identification Plates Fuel Types of Fuel Torque Settings Zinc Plated Fasteners and Dacromet Fasteners Introduction Bolts and Screws Hydraulic Connections 'O' Ring Face Seal System 'Torque Stop' Hose System Service Tools Numerical List Service Aids Sealing and Retaining Compounds Terms and Definitions Colour Coding Hydraulic Schematic Colour Codes
Section 2 Care and Safety Safety Notices Important Information The Operator Manual Safety Warnings Safety Check List Safety - Yours and Others General Safety Operating Safety Maintenance Safety Safety Labels Introduction Safety Label Identification
Section 3 Maintenance Routine Maintenance Health and Safety Lubricants Battery Service Schedules Introduction How to Use the Service Schedules Calendar Equivalents Pre-start Cold Checks, Service Points and Fluid Levels Functional Test and Final Inspection Fluids, Lubricants and Capacities Coolant Mixtures Prepare the Machine for Maintenance Introduction How to Make the Machine Safe (Loader Arm Lowered) How to Make the Machine Safe (Loader Arms Lifted) Cleaning the Machine Introduction Preparing the Machine for Cleaning Cleaning the Machine Checking for Damage Check the Machine Body and Structure Check the Tyres Check the Seat and Seat Belt Check the Hydraulic Hoses and Fittings ROPS/FOPS Structure Checking The ROPS/FOPS Structure Greasing Introduction Preparing the Machine for Greasing Loader Arms Backhoe Front Axle Multi Purpose Shovel Stabilisers Kingpost Sideshift Cross Rails Access Panels Engine Cover Heater and Air Conditioning Cleaning the Cab Heater Filter Brakes Park Brake Adjustment Checking the Foot Brake Fluid Level Electrical System Battery Jump Starting The Engine Fuses Link Box Fuses Relay Identification Engine Checking the Oil Level Changing the Oil and Filter Checking the Coolant Changing the Coolant Alternator Drive Belt Changing the Air Filter Elements Fuel System Fuel Filling the Tank Draining the Fuel Filter Changing the Engine Fuel Filter Element Priming the System Hydraulic System Introduction Releasing the Hydraulic Pressure Checking the Fluid Level Hydraulic Tank Cap Changing the Filter Element Changing the Suction Strainer Transmission Charge Pump Filter Cleaning the Hydraulic Cooler Axles Rear Axle Front Axle Tyres and Wheels Tyre Inflation Wheel Nuts Wear Pads Stabiliser Legs (Sideshift Machines Only) Windscreen Washer Checking the Level Fire Extinguisher (if fitted) Checking the Fire Extinguisher
Section A Attachments Service Procedures Connecting/Disconnecting Hydraulic Hoses Introduction Connecting the Hydraulic Hoses Disconnecting the Hydraulic Hoses Quick Release Couplings
Section B Body and Framework Service Tools Numerical List Tool Detail Reference Rivet Nuts Fitting Procedure Slide Hammer Kit Fitting Procedure Cab Air Conditioning SYSTEM Related Topics Specifications R134a Refrigerant PAG Type Refrigerant Oil Operation Overview System Operation Electrical Operation and Schematics Electrical Description Wires and Connectors Safety Procedures Service Checks Off-Season Operation Fault Finding Fault Indications System Diagnosis using Test Gauges Test Procedures Leak Testing Tightening Leaking Hoses Refrigerant Charge Level Binary Pressure Switch Refrigerant Refrigerant Charging and Discharging Cleaning the Cab Filter Compressor Drive Belt - Adjustment Cab Introduction ROPS, FOPS Structure - Checks Removal and Replacement Direct Glazing Cab Mountings Side Console Front Steer Console Air Conditioning Condenser Introduction Cleaning Cab HVAC Unit Introduction Removal and Replacement Air Conditioning Unit (HVAC) Blower Unit Cab Seat Introduction Removal and Replacement Fuel Tank Introduction Removal and Replacement Fuel Level Sender Hydraulic Tank Introduction Removal and Replacement Fluid Level Sight Glass Filter Cover Plate Engine Cover Introduction Removal and Replacement Grille Housing Introduction Removal and Replacement Loader Arms Introduction Removal and Replacement Stabiliser Legs Introduction Sideshift Wear Pads Wear Pad - Adjustment Removal and Replacement Centremount Sideshift Stabiliser Leg Alarm SYSTEM Related Topics Operation Overview Electrical Operation and Schematics Electrical Description Wires and Connectors Leg Alarm Switch - Adjustment Boom and Dipper Introduction Removal and Replacement Boom Dipper Kingpost Introduction Removal and Replacement Sideshift Carriage Introduction Removal and Replacement
Section C Electrics Service Tools Numerical List Tool Detail Reference Technical Data General Electrical Data Fuses and Relays Fuses Link Box Fuses Relays Relays Schematic Circuits Backhoe Loader Primary Fuses, Ignition Switch, Ignition Relays and Starter Motor Instrumentation Fuel Lift Pump, Interior Light, Radio and Face Fan Front Wiper, Rear Wiper, Heater/Air Conditioning and SRS Front and Rear Worklights, Beacon and Horn Roadlights Forward/Reverse, High-Low Speed, Inching, PTO and Stabiliser Leg Alarm Earthing Points Rearframe Joysticks Enable and Hydraclamps (Sideshift) Service Procedures Using a Multimeter Measuring DC Voltage Measuring Resistance Measuring Continuity Measuring Frequency Testing a Diode or a Diode Wire Battery Maintenance Testing Specific Gravity Testing Alternator General Description Service Precautions Charging Circuit Test Alternator Charging Test Starter Motor Starting Circuit Test Wire and Harness Number Identification Introduction Wire Numbers and Functions Wiring Harness Repair Introduction Repair Procedure Harness Data Drawings and Interconnection Harnesses Drawings
Section D Controls Service Tools Numerical List Steering Column Removal and Replacement Column Switches Removal and Replacement Control Rods and Linkages Dismantle and Assemble Loader Valve Controls Excavator Valve Controls (Centremount) Stabiliser Controls (Sideshift) Control Cables Removal and Replacement Boom Lock Cable Anti-Spill Mechanism Operation and Adjustment
Section E Hydraulics Service Tools Numerical List Tool Detail Reference Technical Data Hydraulic Services Pump Hydraulic Services Cycle Times Loader Valve (3 Spool) Loader Valve (4 Spool) Excavator Valve (Centremount) Excavator Valve (Sideshift) Hydraulic Rams 3 Point Hitch - if fitted Hitch Lift Unit PTO Hydraulic Motor Smooth Ride System (SRS) - if fitted Accumulator Systems Operation General Description Hydraulic Services System Excavator Servo Controls (Sideshift) 3 Point Hitch - if fitted Hydraulic Services Pump Flow and Pressure Regulator Valves Loader and Excavator Valve Services Pressure Compensator Valves No Service Selected (System Standby Pressure) Operating a Service Operating an Individual Service Operating Multiple Services Excavator Servo Controls (Sideshift) Joystick Controllers Combined Servo Pressure Generating Valve & Hydraclamps Valve ISO and SAE Control Pattern Changeover Valve Loader Self Level Circuit Self Level Valve Loader Arms Raise Loader Arms Raise - Shovel Rams Fully Extended Loader Arms Lower Smooth Ride System (SRS) - if fitted Electrical Description Wires and Connectors Introduction to Hydraulic Schematic Symbols General (Basic and Functional Symbols) Control Valves Example of Schematic Circuit Schematic Circuits Backhoe Loader - Centremount Backhoe Loader - Sideshift 3 Point Hitch and PTO Option Fault Finding Hydraulic Services System Fault Finding Tables 3 Point Hitch - if fitted Fault Finding Tables Loader Self Level Circuit Smooth Ride System (SRS) - if fitted Service Procedures Hydraulic Contamination Hydraulic Fluid Quality Effects of Contamination Cleaning Operation Contaminant Standards Filters Connecting and Disconnecting Hydraulic Hoses Venting Hydraulic Pressure Connecting the Hoses Disconnecting the Hoses Flow and Pressure Tests Checking Pump Flow Testing the Main System Pressure Testing Auxiliary Relief Valves (ARV's) Testing the Standby Pressure Pressure Compensator Network - Testing Testing the Servo Pressure (Sideshift) 3 Point Hitch - if fitted Hitch Lift Unit Cycle Test Hitch Lift Unit Leakage Tests Position Feedback Linkage - Adjustment Smooth Ride System (SRS) - if fitted Accumulator Charging and Discharging Hydraulic Services Pump Removal and Replacement Dismantle and Assemble Loader Valve Removal and Replacement Dismantle and Assemble Valve Block Sections Priority Inlet Spool Standard Spool Mechanical Detent Spool Electric Detent Spool Solenoid Operated Spool Load Sense Relief Valve (LSRV) Flow Regulator Valve Internal Auxiliary Relief Valves (ARV's) Pressure Compensator Valves Load Hold Check Valves Excavator Valve Removal and Replacement Dismantle and Assemble Valve Block Sections Manually Operated Spool Servo Operated Spool Auxiliary Relief Valves (ARV's) Pressure Compensator Valves Load Hold Check Valves Joystick Controllers (Sideshift) Removal and Replacement Dismantle and Assemble 3 Point Hitch - if fitted Removal and Replacement Hitch Lift Unit PTO Hydraulic Motor Dismantle and Assemble Hitch Lift Unit PTO Hydraulic Motor Hose Burst Protection Valves Hydraulic Operation and Schematics - Stabiliser HBPV Twin Check Valves Hydraulic Rams Precautions During Use Installation Caution During Use Maintenance, Inspection Points Removal and Replacement Loader Shovel Ram Loader Lift Ram Stabiliser Ram (Centremount) Stabiliser Ram (Sideshift) Excavator Bucket Crowd Ram Excavator Dipper Ram Excavator Boom Ram Slew Ram Dismantle and Assemble Typical Ram Slew Ram JCB Ram Sealing Procedure Oil Cooler Matrix Removal and Replacement Smooth Ride System (SRS) - if fitted Accumulator Removal and Replacement
Section F Transmission Service Tools Numerical List Tool Detail Reference Technical Data Tyre Sizes and Pressures Front Axle Unit Identification Specifications Rear Axle Unit Identification Specifications Hydrostatic Transmission Transmission Pump Transmission Motor Creep Valve - if fitted Moving a Disabled Machine Preparation for Towing/Winching Systems Operation General Description Hydrostatic Transmission Creep Speed Control - if fitted Transmission Pump Pump Control Circuit Transmission Motor Motor Control Circuit Forward/Reverse Drive Control Electrical Description Wires and Connectors High/Low Speed Range Electrical Description Wires and Connectors Schematic Circuit Midi CX Backhoe Loader Service Procedures Hydraulic Contamination Hydraulic Fluid Quality Effects of Contamination Cleaning Operation Contaminant Standards Filters Hydrostatic Transmission Priming Procedure Flow and Pressure Tests Rear Axle Testing for Brake Piston Seal Leakage Fault Finding Hydrostatic Transmission Fault Finding Tables Pump and Motor Hydraulic Test Ports Transmission Pump Removal and Replacement Pump Drive Coupling Dismantle and Assemble Transmission Motor Removal and Replacement Dismantle and Assemble Propshaft Removal and Replacement Front Axle SD40 Removal and Replacement Dismantle and Assemble Rear Axle PD40 Removal and Replacement Dismantle and Assemble Transfer Gearbox (Drop-box) Dismantle and Assemble Oil Cooler Matrix Removal and Replacement
Section G Brakes Service Tools Numerical List Technical Data Service Brakes Park Brake Systems Operation General Description Compensating Master Cylinder Pedals Locked - Normal Operation Pedals Locked - Compensating Operation Pedals Unlocked - Normal Operation Inching Control Inching Valve Electrical Description Wires and Connectors Fault Finding Brake System Fault Finding Tables Service Procedures Service Brakes Bleeding the System Brake Light Switch - Adjustment Brake Piston Seal Leakage Test Park Brake Testing the Park Brake Brake Cable Adjustment Switch Adjustment Compensating Master Cylinder Removal and Replacement Dismantle and Assemble Service Brakes Dismantle and Assemble Park Brake Dismantle and Assemble
Section H Steering Service Tools Numerical List Technical Data Hydraulic Steer Unit Priority Valve Systems Operation General Description Steer Circuit Schematic Priority Valve Neutral Turning Hydraulic Steer Unit Neutral Left Turn Right Turn Right turn, Unassisted Shock Valve Fault Finding Steering System Fault Finding Tables Service Procedures Bleeding the System Testing the System Pressure Priority Valve Removal and Replacement Power Track Rod Removal and Replacement Link Arms Removal and Replacement Ram Dismantle and Assemble Hydraulic Steer Unit Removal and Replacement Dismantle and Assemble
Section K Engine Technical Data 400 Series Unit Identification Engine Specifications Engine Cooling Pack Removal and Replacement Dismantle and Assemble Removal and Replacement 400 Series Component Identification