This publication is designed for the benefit of JCB Distributor Service Engineers who are receiving, or have received, trainingThis publication is designed for the benefit of JCB Distributor Service Engineers who are receiving, or have received, training
by JCB Technical by JCB Technical
Training Department.Training Department.
These personnel should have a sound knowledge of These personnel should have a sound knowledge of
workshop practice, safety proceduresworkshop practice, safety procedures
, and general , and general
techniques associatedtechniques associated
with the maintenance and repair with the maintenance and repair
of hydraulic earthmoving equipment.of hydraulic earthmoving equipment.
Renewal of oil seals, gaskets, etc., and any component showing obvious signs of wear or damage is expected as a matter ofRenewal of oil seals, gaskets, etc., and any component showing obvious signs of wear or damage is expected as a matter of
course. It is expected that components will be cleaned and lubricated where appropriate, and that any opened hose or pipecourse. It is expected that components will be cleaned and lubricated where appropriate, and that any opened hose or pipe
connections will be blanked to prevent excessive loss of hydraulic fluid and ingress of dirt. Finally, please remember above allconnections will be blanked to prevent excessive loss of hydraulic fluid and ingress of dirt. Finally, please remember above all
SAFETY MUST COME FIRST!SAFETY MUST COME FIRST!
The manual is compiled in The manual is compiled in
sections, the first three are sections, the first three are
numbered and contain information as follows:numbered and contain information as follows:
General InformationGeneral Information
- includes torque settings and service tools.- includes torque settings and service tools.
Care & SafetyCare & Safety
- includes warnings and - includes warnings and
cautions pertinent to aspects of workshop procedures etc.cautions pertinent to aspects of workshop procedures etc.
Routine MaintenanceRoutine Maintenance
- includes service schedules and recommended lubricants for all the- includes service schedules and recommended lubricants for all the
The remaining sections are alphabetically coded and deal with The remaining sections are alphabetically coded and deal with
Dismantling, Overhaul etc. of specific components, for example:Dismantling, Overhaul etc. of specific components, for example:
Body & FrameworkBody & Framework
The page numbering in each alphabetically coded section is not continuous. This allows for the insertion of new items in laterThe page numbering in each alphabetically coded section is not continuous. This allows for the insertion of new items in later
issues of the manual.issues of the manual.
Section contents, technical data, circuit descriptions, operation descriptions etc are inserted at the beginning of eachSection contents, technical data, circuit descriptions, operation descriptions etc are inserted at the beginning of each
alphabetically coded section.alphabetically coded section.
All sections are listed on the front cover; tabbed divider cards align directly with individuaAll sections are listed on the front cover; tabbed divider cards align directly with individua
l sections on the front cover for rapidl sections on the front cover for rapid
Where a torque setting is given as a single figure it may be varied by plus or minus 3%. Torque figures indicated are for dryWhere a torque setting is given as a single figure it may be varied by plus or minus 3%. Torque figures indicated are for dry
threads, hence for lubricated threads may be threads, hence for lubricated threads may be
reduced by one third.reduced by one third.
With the exception of slewing operations 'Left Hand' and 'Right Hand' are as viewed from the rear of the machine facingWith the exception of slewing operations 'Left Hand' and 'Right Hand' are as viewed from the rear of the machine facing
Throughout this manual abbreviations are used to identify various machine types. The abbreviations and their full explanationThroughout this manual abbreviations are used to identify various machine types. The abbreviations and their full explanation
are as follows:are as follows:
All Wheel SteerAll Wheel Steer
The contents page at the beginning of each section will clearly identify using parenthesis () when a procedure/description isThe contents page at the beginning of each section will clearly identify using parenthesis () when a procedure/description is
pertinent to a particular machine, for pertinent to a particular machine, for
Loader Arm Safety Strut (AWS Machines)Loader Arm Safety Strut (AWS Machines)
- Fitting and Removing- Fitting and Removing
Loader Arm Safety Strut (2WS Machines)Loader Arm Safety Strut (2WS Machines)
- Fitting and Removing- Fitting and Removing
