JCB JZ140 Hydraulic Excavator Service Manual
558 pages · Publication 9803-9910-3
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- Models
- JZ140
- Serial coverage
- from SN 1390000 to 1390499
- Manual type
- Service Manual
- Pages
- 558
- Publication
- 9803-9910-3
- Condition
- Brand new
What's inside
From the manual's own table of contents: 183 topics. See sample pages (PDF, 369 KB)
- About this Manual
- Identifying Your Machine
- Zinc Plated Fasteners and Dacromet Fasteners
- Hydraulic Connections
- Numerical List
- Tool Detail Reference
- Sealing and Retaining Compounds
- Colour Coding
- Service Requirements
- Health and Safety
- Service Schedules
- Fluids, Lubricants and Capacities
- Tools
- Prepare the Machine for Maintenance
- Cleaning the Machine
- Check the Machine for Damage
- Daily Checking
- Greasing
- Electrical System
- Bolt and Nut Torque Specifications
- Engine
- Fuel System
- Hydraulic System
- Slew Gearbox
Show all 183 topics
- Tracks and Running Gear
- Bucket
- Windscreen Washer
- Fire Extinguisher (If fitted)
- Troubleshooting
- Static Dimensions
- Dig Depth Chart
- Shipping Weight
- Air Conditioning (option)
- Automatic Temperature Control (ATC) System
- Air Conditioning
- HVAC/Air Conditioning Unit
- Air Conditioning Compressor
- Cab Structure
- Cab Panel Removal
- Circuit Symbols
- Component Identification
- Schematic Diagram
- A.M.S (Advanced Management System)
- Circuit Concepts
- Pulse Width Modulation (PWM)
- ECU1/EMS/FACIA Power Supply and Network
- ECU 1 Supply to Output Drivers
- Engine Throttle Control
- Pump Control for Each Mode
- Hardware Sensing
- Auto Boost Pressure
- Engine Oil Level Warning
- Engine Pre Heat (Glow plugs)
- Engine Automatic Warm Up
- Engine Automatic Idle
- Engine One Touch Idle
- Engine Start/Stop
- Limp Mode system
- Lever Lock
- Servo Isolator
- Wiper
- Lower Wiper (option)
- Washer
- Horn
- Travel Alarm
- Soft/Hard (Cushion)
- Slew lock (100% Slew Brake)
- Slew Brake Solenoid Valve Failure
- 3-Speed Travel
- Work Lamps
- Hydraulic Fan
- Fuel Level Sensor/Warning
- Engine Temperature Sensor/Warning
- Coolant Level Warning
- Air Filter Blocked Warning
- Hydraulic Temperature Sensor/Warning
- Alternator/No Charge Warning
- Quick hitch (option)
- Overload Caution (option)
- Beacon
- Hammer Only
- Scrap Magnet Option
- Cab Interior Lamp
- Refuelling Pump
- Heated Seat
- Radio and Cigar Lighter
- Service Required Warning
- EMS Set Menu
- EMS Set + Mode Menu
- EMS Set+Mode (20 sec) Menu
- JCB Servicemaster
- Using a Multimeter
- Testing of ECU Inputs + Outputs
- Wiring Harness Repair
- Battery
- Main Harness
- Fascia Link Harness - Type 1
- Fascia Link Harness - Type 2
- Fascia Link Harness - Type 3
- Cab Harness - Type A
- Engine Harness - Type A
- Cab Harness (includes Engine Harness) - Type B
- Cab Harness (includes Engine Harness) - Type C
- General Data
- Hydraulic Component Location
- Introduction to Hydraulic Schematic Symbols
- Hydraulic Schematics
- Servo Line
- Servo Pressure and Return Line
- Hydraulic Pump Regulation
- Neutral Circuit
- Straight Line Travel
- Travel - Middle Speed
- Travel motor operation (Middle speed)
- Slow speed travel (Creep)
- Travel motor operation (High speed)
- Boom Up
- Boom Down
- Dipper Out
- Dipper In
- Bucket Opening
- Bucket Close
- Slew Circuit
- 100% Slew Lock
- Auxiliary Flow
- Hammer
- ISO/SAE Controls
- Hydraulic Pump Operation
- Hydraulic Pump Removal and Replacement
- Hydraulic Pump Dismantling and Assembly
- Regulator
- Coupling
- Description
- Operation
- Removal and Replacement
- Dismantling and Assembly
- Motor Operating Principles
- Slew Brake Operation
- Fault Finding
- Slew Motor Configuration
- Dismantling
- Assembly
- Precautions During Use
- Maintenance Specifications
- Make the Machine Safe
- Pressure Testing - General
- Pressure Relief Valve Location
- Main Relief Valve (MRV) Pressure
- Servo Relief Pressure
- Auxiliary Relief Valves
- Slew Motor Pressure Relief
- Travel Motor Relief Pressure
- Hydraulic Contamination
- Main Control Valve
- Relief Valve
- Slew Motor
- Hydraulic Pump
- Hydraulic Rams
- Fault Finding Tests
- Test 001: Testing Negative Control Signal
- Test 002: Test Max Flow Signal
- Test 003: Testing Main Pump Pressure
- Test 004: Testing Horsepower Control
- Test 005: Checking the Operation of the Main Hydraulic Spool
- Test 006: Test the Pressure Switches
- Test 007: Testing Engine Speed Settings
- Test 008: Testing Machine Cycle Times
- Test 011: Testing Swing brake pressure
- Test 012: Testing Track Motor Relief Valve Settings
- Test 013: Testing Track Motor Drain Line Flow Rate
- Test 014: Loss of High Speed Tracking
- Test 016: Flow testing Hydraulic Pumps
- Test 016 - Flow Testing Hydraulic Pumps - Record Sheet
- Test 017: Testing Slew Bearing
- Ram Creep Tests - All Services
- Travel Equipment
- Transmission
- Start Up and Running In
- Removal
- Replacement
- Engine Mounts
- Engine Error Codes
- Engine Components
Inside this manual
Real pages from this service manual (558 pages). Open the sample pages (PDF, 368 KB)
- Troubleshooting, page 193: Section B - Body and Framework
- Specifications, page 321: Section E - Hydraulics
- Diagram, page 521: Section K - Engine
- Color page, page 439: Section F - Transmission
- Color page, page 467: Section F - Transmission
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, 558 pages
Quantity one is the manual described above.
Fast free USA shipping
Ships in 1 business day.
60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
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).