40000700.00-en
HYDRAULIC EXCAVATOR
Service manual
Print No. 9-91221 English
THIS ALERT SYMBOL SIGNALS IMPORTANT MESSAGES INVOLVING YOUR SAFETY.
Read and heed carefully the safety instructions listed and follow the precautions recommended to avoid
potential risks and to safeguard your health and your safety.
You will find this symbol in the text of this Manual referred to the following key words:
WARNING - Cautions directed to avoid improper repair interventions involving potential consequences
for the safety of the personnel performing the repairs.
DANGER - These warnings qualify specifically potential dangers for the safety of the operator or other
persons directly or indirectly involved.
IMPORTANT NOTICE
All maintenance and repair interventions explained in this Manual must be performed exclusively by the Serv-
ice Organisation of the Manufacturer, observing strictly the instructions explained using, whenever necessary,
the recommended specific tools.
Whoever performs the operations reported without following exactly the precautions is responsible on his own, for
the damages that may result.
Neither the Factory nor any Organisations in its Distribution Network, including but not limited to national, re-
gional or local distributors, are responsible for any liability arising from any damage resulting from defects caused
by parts and/or components not approved by the Factory for use in maintaining and/or repairing products manu-
factured or merchandised by the Factory.
In any case, no warranty of any kind is made or shall be imposed with respect to products manufactured or mer-
chandised by the Factory, when failures are caused by the use of parts and/or components not approved by the
Factory.
SUMMARY
40000701.00-en
SAFETY INSTRUCTIONS
SECTION 1
TECHNICAL DATA AND SPECIAL TOOLS
SECTION 2
MACHINE STRUCTURE
SECTION 3
ELECTRICAL SYSTEM
SECTION 4
ELECTRONICS
SECTION 5
HYDRAULICS
SECTION 6
TROUBLESHOOTING AND REPAIR
SECTION 7
REPAIR INSTRUCTIONS
SECTION 8
9-91221
Service manual
Section 1 Safety Instructions
WX145 -