JCB JS70 Tracked Excavator Service Manual – 9803/6020-0

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JCB JS70 Tracked Excavator Service Manual – 9803/6020-0
(S/N: 695501 Onwards)

This service manual PDF download for the JS70 JCB Excavator 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 Tracked Excavator JS70
from machine no. 695501

TABLE OF CONTENTS :

General Information
Care & Safety
Routine Maintenance
Attachments
Body & Framework
Electrics
Hydraulics
Transmission
Brakes
Track & Running Gear
Engine

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Publication No. : 9803/6020 Issue 0
Total Pages : 385

This JCB Hydraulic Excavator 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 !!!!

Instant Download means there is NO shipping costs or waiting for a CD or paper manual to arrive in the mail! You will receive this manual TODAY via Instant Download on completion of payment via our secure payment processor. We accept ALL major credit/debit cards/paypal.

Cover
Contents

General Information
Bolt and Nut Torque Specifications
General Torque Settings
Service Tools
Section C – Electrics
Section E – Hydraulics
Section F – Transmission
Sealing and Retaining Compounds

Care & Safety
Safety Notices
General Safety
Operating Safety
Maintenance Safety

Routine Maintenance
Fluids and Lubricants
Lubricants – Health and Safety
Service Schedules
Service Intervals for Hydraulic Oil and Filters when using a Breaker
Initial Precautions for New Machine Usage
Operating Hours Schedule
Greasing
Slew Ring Teeth and Slew Pinion
Slew Ring Bearing
Excavator End (Standard Boom)
Excavator End (Offset Boom)
Battery
Hydraulics
Air Bleeding Procedures
Checking the Fluid Level
Releasing Tank Pressure
Topping up Fluid Level
Air Bleeding From Hydraulic Pump
Air Bleeding From the Slew Motor
Air Bleeding From Ram
Changing the Fluid
Changing the Return Filter Element
Cleaning/Changing the Suction Trainer
Changing the Nephron Filter
Changing the Air Breather Element
Draining Tank Impurities
Changing the Servo Oil Filter
Changing the Breaker In-Line Filter (If Fitted)
Transmission
Checking Track Gearbox Oil Level
Changing the Track Gearbox Oil
Replenishing Slew Gearbox Grease
Tracks and Running Gear
Cleaning the Tracks
Checking/Adjusting the Track Tension
Checking the Track Shoes
Checking the Rollers and Idler Wheels for Oil Leaks
Engine
Changing the Air Filter Elements
Checking the Oil Level
Changing the Oil and Filter
Checking the Coolant Level
Coolant Mixtures
Changing the Coolant
Cleaning the Radiator and Oil Cooler
Checking the Fan Belt Tension
Fitting a New Fan Belt
Draining Fuel Tank Impurities
Draining the Water Separator
Changing the Fuel Filter Element
Cleaning the Lift Pump Strainer
Bleeding the Fuel System
Component Location Diagram

Body & Framework
Weights

Electrics
Torque Specifications
Technical Data
Battery Testing
Schematic Diagram
Layout
Operators Cab
Right Console
Left Console
Display Monitor
Control, Function, Operation
Electrical Equipment Layout
Cab Relays
Engine Control
Basic Operation of Engine Control
One Touch Idle Control
Speed Control for Each Mode
Emergency Stop
Swing Brake/Swing Lock
High Travel
Lever Lock
Power Supply Cut Delay
Transistor Protection
Monitor Display
Throttle Control Assembly Adjustment

Hydraulics
Technical Data
Schematics
Schematic Hydraulic Circuit
Travel – High Speed
Travel – Low Speed
Linear Travel
Swing Operation (0% Swing Brake)
Swing – No Swing Operation (50% Swing Brake)
Swing Lock Operation (100% Spring Brake)
Swing Brake Operation
Swing and Dipper in Simultaneous Operation
Swing Over-run Prevention Operation
Swing Reduction Gear Oil Recycling
Attachment Boom Up
Attachment Boom Down
Attachment – Dipper Out
Attachment – Dipper In
Attachment – Bucket Open
Attachment – Bucket Close
Attachment – Blade Up
Attachment – Blade Down
Quick Heat Circuit
Pilot Control Line
Pressure Testing
Function Chart
Hydraulic Pump
Dismantling and Assembly
Fault Finding
Control Valve
Introduction, Technical Data
Precautions During Use
Operation
Fault Finding
Dismantling and Assembly
Remote Control Valve (Hand)
Technical Data, Schematics
Operation
Dismantling and Assembly
Fault Finding
Maintenance Specifications
Cushion Valve
Operation
Multiple Valves
Operation
Fault Finding
Dismantling and Assembly
Hydraulic Rams
Precautions During Use
Bucket Ram Removal and Replacement
Dipper Ram Removal and Replacement
Boom Ram Removal and Replacement
Offset Boom Ram Removal and Replacement
Blade Ram Removal and Replacement
Removal and Fitting
Re-Conditioning
Fault Finding
Rotary Coupling
Technical Data
Operation
Removal
Replacement
Dismantling
Assembly
Slew Motor
Hydraulic Motor Components
Reduction Gear Components
Hydraulic Circuit
Operation
Maintenance Specifications
Motor Assembly/Cylinder Assembly
Dismantling and Assembly
Fault Finding

Transmission
Traction Motor/Reduction Gear
Operation
Fault Finding
Removal and Replacement
Motor Bleeding
Testing
Cross Sectional View
Exploded View (Motor)
Exploded View (Gearbox)
Component List
Traction Gearbox
Dismantling
Inspection
Assembly

Track and Running Gear
Removal and Replacement
Replacing the Shoe Plate
Replacing the Track Link
Idler Wheel and Recoil Unit
Removal
Replacement
Idler Wheel
Dismantling
Assembly
Recoil Unit
Dismantling
Assembly
Grease Cylinder
Dismantling
Assembly
Drive Sprocket
Removal
Replacement
Top Roller
Removal
Replacement
Dismantling
Assembly
Bottom Roller
Removal
Replacement
Dismantling
Assembly

Engine
Technical Data

 

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JCB JS70 Tracked Excavator Service Manual – 9803/6020-0.pdf

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