Maintenance; Correct Maintenance And Inspection Procedures - Hitachi ZAXIS 120-6 class Operator's Manual

Correct Maintenance and Inspection Procedures

Learn how to service your machine correctly. Follow the
correct maintenance and inspection procedures shown in this
manual.
Inspect machine daily before starting.
 Check controls and instruments.
 Level, leakage and contamination of coolant, fuel, DEF/
AdBlue® and hydraulic oil
 Check for leaks, kinked, frayed or damaged hoses and
lines.
 Walk around machine checking general appearance,
noise, heat, etc.
 Check for loose or missing parts.
If there is any problem with your machine, repair it before
operating or contact your authorized dealer.
IMPORTANT:
 Use only specified fuel, DEF/AdBlue®, lubricants and
coolant.
 Be sure to use only genuine Hitachi parts. Failure to
do so may result in serious injury or death and/or
machine breakdown.
 Failure to use recommended fuel, lubricants, and
genuine Hitachi parts will result in loss of Hitachi
product warranty.
 Never adjust engine governor or hydraulic system
relief valve.
 Protect electrical parts from water and steam.
 Never disassemble electrical components such as
main controller, sensors, etc.
 Never adjust parts of engine fuel system or hydraulic
equipment.
 Using bad quality fuel, drainage agent, fuel
additives, gasoline, kerosene or alcohol refueled
or mixed with specified fuel may deteriorate
performance of fuel filters and cause sliding problem
at lubricated contacts in the injector. It also affects
the engine and aftertreatment device parts, leading
to malfunction.
 Using bad quality DEF/AdBlue® may deteriorate
performance of the engine and affect the
aftertreatment device, leading to malfunction.
Using improper density DEF/AdBlue® may derate the
engine power.
 Use Hitachi genuine high performance filter.

MAINTENANCE

7-1
SA-005