JCB 3DX Backhoe Loader Service Manual
568 pages · Publication 550-42426-1
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- Models
- 3DX
- Manual type
- Service Manual
- Pages
- 568
- Publication
- 550-42426-1
- Condition
- Brand new
What's inside
From the manual's own table of contents: 6 sections, 327 entries. See sample pages (PDF, 377 KB)
General72 topics
- About this Publication
- Machine Nomenclature
- Machine Identification Plate
- Kirloskar Engine Identification
- Engine Serial Plate
- Ecomax Engine Identification
- Rear Axle Serial Plate
- Front Axle Serial Plate
- Syncro Shuttle Gearbox Serial Plate
- Tool detail reference
- Section B- Body and Framework
- Section - E Hydraulic
- Section F- Transmission
- Steering
- Important Information
- The Operator Manual
- Safety Warnings
- Safety Check List
- Safety - Yours and Others
- General Safety
- Operating Safety
- Maintenance Safety
- Safety Decals
- Checking for Damage
- Cleaning the Machine
- Tyres and Wheels
- Tyre Inflation
- Health and Safety
- Lubricants
- Loader Arm Safety Strut
- Installing
- Fitting
- Removing
- Engine Panel
- Opening and Closing the Bonnet
- Service Schedules
- Introduction
- How to Use the Service Schedules
- Pre-start Cold Checks, Service Points and Fluid Levels
- Functional Test and Final Inspection
- Fluids, Lubricants and Capacities
- Coolant Mixtures
- Fuels
- Greasing
- Loader Arms
- Front Axle (2 Wheel Drive Machines)
- Front Axle (4 Wheel Drive Machines)
- 6 - In - 1 Clamshovel
- Backhoe Quickhitch (Hydraulic)
- Oiling
- Parking Brake cable
- Control Levers
- Ecomax Engine
- Oil and Filter
- Drive Belt
- Front End Accessory Drive (FEAD) Belt
- Fuel System-Kirloskar Engine
- Types of Fuel
- Filling the Tank
- Draining the Water Seperator and Engine Fuel Filter
- Changing the Water Seperator Filter
- Changing the Engine Fuel Filter Element
- Bleeding the System
- Fuel System-Ecomax Engine
- Water Separator and Engine Fuel Filter
- Engine Air Filter
- Cleaning the Pre Cleaner
- Renew Outer Element
- Engine Air Filters
- Renew Inner Element
- Engine Oil Filter
- Change Oil and Filter
Section 3 - Maintenance60 topics
- Fan Belt
- Check Tension Adjustment
- Fit the Cap
- Fuel Filter
- Moisture Separator
- Hydraulic
- Check Level
- Hydraulic System
- Changing the Suction Strainern Strainer
- Hydraulic Oil Cooler
- Replacement
- Transmission
- Checking the Synchro Shuttle
- Axles
- Front Axle (All Wheel Steer Machines)
- Rear Axle
- Brakes
- Parking Brake Adjustment
- Battery
- Checking the Electrolyte Level
- First Aid- Electrolyte
- Jump Starting The Engine
- Technical Data
- Hammer Master Identification
- Major Components
- Basic Operation
- Start-Up
- Raising the Piston
- Piston Stroke
- Torque Settings
- External Components
- Internal Components
- Every 2-4 Hours
- Daily
- Weekly
- Initial 50-100 Hour Service
- Every 500 Hours or Yearly
- Service Procedures
- Tool Bushings
- Side Plates
- Hydraulic Pressure Testing
- Lower Tool Bushing and Tools
- Checking For Excessive Wear (Monthly)
- Lower Tool Bushing
- Removal
- Swivel Couplings
- Removal and Dismantling
- Assembly and Replacement
- Accumulators
- Removal and Replacement
- Dismantling and Assembly
- Charging
- Pressure Adjusting Valve
- Adjustment
- Tie Rods
- Inspection
- Valve Body
- Cylinder
- Front Head
- Charging Procedure
Section B - Body and Framework19 topics
- Cab Structure
- Direct Glazing
- Slide Hammer Kit
- Fitting Procedure
- Rivet Nuts
- Welding
- Removal, Front Mountings
- Removal, Rear Mountings
- Fuel Level Sender
- Fluid Level Sight Glass
- Side shift Machines
- Centre Mount
- Boom
- Dipper
- Clearances
- Clearance on Backhoe, loader and mainframe
- King post and carriage
- King post
- Side shift Carriage
Section C - Electrics60 topics
- Using a Multimeter
- Measuring DC Voltage
- Measuring Resistance
- Measuring Continuity
- Measuring Frequency
- Testing a Diode or a Diode Wire
- Maintenance
- First Aid - Electrolyte
- Testing
- Specific Gravity Testing
- Alternator
- General Description
- Service Precautions
- Charging Circuit Test
- Alternator Charging Test
- Starter Motor
- Starting Circuit Test
- Electrical Circuit
- Maxi Fuses harness
- Electrical harness
- Panel harness 4 WD
- Cab harness -2WD
- Steering column
- Dismantle and Assemble
- Loader Valve Controls
- Excavator Valve Controls
- Auxiliary Foot pedal Control
- Loader Control Knob
- Component Location and Neutral Circuit Descriptions
- Gear pump - Double Pump
- Introduction to Hydraulic Schematic Symbols
- General (Basic and Functional Symbols)
- Control Valves
- Example of Schematic Circuit
- Hydraulic Contamination
- Hydraulic Fluid Quality
- Effects of Contamination
- Cleaning Operation
- Contaminant Standards
- Filters
- Gearpump
- Flow and Pressure Testing
- Loader Valve - Pressure Testing
- Main Relief Valve (MRV)
- Unloader Valve
- Hydraulic Speed Control (HSC)
- Auxiliary Relief Valves - Using Hand Pump
- Excavator Valve - Pressure Testing
- Ram Creep Tests - All Services
- Quick Release Couplings
- Connecting and Disconnecting
- Smooth Ride System (SRS) Accumulator
- Charging and Discharging
- Hose Burst Protection Valves - if fitted
- Checking
- Lowering a Load - In a Failure Condition
- Pressure Testing - Loader Lift Ram
- Valve Block Spool Seals
- Seal Fitting
- `Positional Type' Hydraulic Adaptors
Section E - Hydraulics85 topics
- Gear pump - Operation
- Single Pump - Operation
- Double Pump
- Machines from serial no. 964125 (High Pressure)
- Main Relief Valve (MRV) Operation
- Loader Valve - Neutral Circuits
- Neutral Circuit
- Unloader Operation - If fitted
- Loader Valve-Load Hold Check Valves
- Arms Lower Operation
- Float
- Auxiliary Relief Valve
- Loader Valve - A.R.V. Operation
- Excavator Valve
- One Way Restrictor
- Excavator Valve - Slew Operation
- Slew Ram End Damping
- Slew A.R.V. and Anti-Cavitation Operation
- Excavator Valve - A.R.V. Operation
- Auxiliary Relief Valve Operation
- Auxiliary Relief Valve Anti-cavitation
- ation
- Hydra clamp (Sideshift Machines)
- Smooth Ride System (SRS) - if fitted
- Smooth Ride System
- Machine Hydraulics
- Gear pump
- Loader Valve Block
- Main Relief Valve
- Excavator valve Block
- Backhoe
- Hydraulic Pump
- Main Relief Valve (M.R.V.)
- Loader valve (Unloader valve)
- Shovel Ram Rod Side A.R.V. Pressure Testing
- Hydraulics
- Valves
- Auxiliary Relief Valves (ARV's)
- Standard Spool
- Float Spool
- Auxiliary Relief Valves
- Hydra clamp valve Dismantling and Assembly
- Electric Detent Spool
- Valve Block
- Hydraclamp Valve (Sideshift Machines)
- Hoses and Pipes (Sideshift Valve)
- Hoses and Pipes (Centremount Valve)
- Precautions During Use
- Installation
- Caution During Use
- Maintenance, Inspection Points
- Loader Shovel Ram
- Loader Lift Ram
- Bucket Crowd Ram
- Slew Ram
- Stabiliser Ram (Sideshift)
- Priority Valve
- When Dismantling
- Dipper Ram
- Boom Ram
- JCB Ram Sealing Procedure
- Accumulator
- Dismantling and Assembly - Slew Ram
- Assembly - Slew Ram
- Front Axle
- Component Identification
- Principal of Operation
- Torque Converter
- Synchro Shuttle Gearbox
- Gearbox - Assembly
- Reverser Unit - Dismantling
- 2/4 Wheel Drive Clutch
- Torque Convertor
- Service Procedure
- Torque Converter Stall Test
- Removing and Replacing
- Torque Setting
- Swivel and Drive shaft
- Selecting the spacer
- Pinion Depth Setting
- Crown Wheel and Pinion Meshing
- Fault Finding
- Systems Description
- Synchro Mesh
- Synchro Shuttle Gearbox Synchromesh (Blocking Pin Type)
Section G - Brakes11 topics
- Master Cylinder
- Compensating Master Cylinder
- Pedals Locked - Normal Operation
- Pedals Locked - Compensating Operation
- Pedals Unlocked - Normal Operation
- Fault Finding Without compensatory
- Fault Finding componsatory
- Service Brakes
- Parking Brake - Adjustment
- Bleeding
- Park Brake Caliper
Section H - Steering14 topics
- Wheel Steer Machines
- Priority Valve - Standby Pressure Testing
- Priority Valve - Cleaning
- Power Track Rod
- Rams
- Hydraulic Steer Unit
- Hydraulic steer unit EATON
- Disassembly
- Reassembly
- Fault Finding Contents
- Neutral
- Operation 1 - Neutral
- Load Sensing Dynamic Signal Non Load Reaction
- VLC Priority Valve (BOPV)
Inside this manual
Real pages from this service manual (568 pages). Open the sample pages (PDF, 376 KB)
- Specifications, page 105: Section 3 - Electrics
- Diagram, page 193: Section 1 - Electrics
- Troubleshooting, page 497: Section G - Brakes
- Color page, page 480: Basic Operation
- Color page, page 293: Section E - Hydraulics
This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 568 pages
Quantity one is the manual described above.
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Ships in 1 business day.
60-day returns
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Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).