jcb JS70 Service Manual

Contents Page No.
Technical Data 1 - 1
Schematics
Schematic Hydraulic Circuit 3 - 1
Travel - High Speed 3 - 3
Travel - Low Speed 3 - 5
Linear Travel 3 - 7
Swing Operation (0% Swing Brake) 3 - 9
Swing - No Swing Operation (50% Swing Brake) 3 - 11
Swing Lock Operation (100% Swing Brake) 3 - 13
Swing Brake Operation 3 - 15
Swing and Dipper In Simultaneous Operation 3 - 17
Swing Over-run Prevention Operation 3 - 19
Swing Reduction Gear Oil Recycling 3 - 20
Attachment Boom Up 3 - 21
Attachment Boom Down 3 - 23
Attachment - Dipper Out 3 - 25
Attachment - Dipper In 3 - 27
Attachment - Bucket Open 3 - 29
Attachment - Bucket Close 3 - 30
Attachment - Blade Up 3 - 31
Attachment - Blade Down 3 - 32
Quick Heat Circuit 3 - 33
Pilot Control Line 3 - 34
Pressure Testing 4 - 1
Function Chart 5 - 1
Hydraulic Pump
Dismantling and Assembly 24 - 1
Fault Finding 25 - 1
Control Valve
Introduction, Technical Data 30 - 1
Precautions During Use 31 - 1
Operation 31 - 4
Fault Finding 32 - 1
Dismantling and Assembly 33 - 1
Remote Control Valve (Hand)
Technical Data, Schematics 40 - 1
Operation 40 - 3
Dismantling and Assembly 41 - 1
Fault Finding 42 - 1
Maintenance Specifications 43 - 1
Cushion Valves
Operation 55 - 1
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Hydraulics
9803/6020
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Issue 1
Section E Section E

jcb JS70 Specifications

General

Brand	jcb
Model	JS70
Category	Excavators
Language	English