MAINTENANCE
7-20
Periodic Replacement of Parts
To ensure safe operation, be sure to conduct periodic
inspection of the machine. In addition, the parts listed below,
if defective, may pose serious safety/fire hazards.
These parts may cause serious safety/fire hazards due to
deterioration, wear, or fatigue being attributed to material
aging or repeated operation. It is very difficult to gauge the
extent of deterioration, fatigue, or weakening of the parts
listed below simply by visual inspection alone. For this reason,
replace these parts at the intervals shown in the table below.
Consult your authorized dealer for correct replacement.
Periodic Replacement Parts Replacement Intervals
Engine
Fuel hose (Fuel tank, Filter to Engine) Every 2 years
Fuel hose (Engine, Fuel cooler to Fuel tank) Every 2 years
DEF/AdBlue® hoses Every 2 years
Oil filter hose (Engine to oil filter)
Every 2 years
Heater hose (Heater to engine)
Every 2 years
Hydraulic System
Base Machine
Pump suction hose
Every 2 years or 4000 hours whichever comes first
Pump delivery hose
Every 2 years or 4000 hours whichever comes first
Swing hose Every 2 years or 4000 hours whichever comes first
Travel high pressure hose Every 2 years or 4000 hours whichever comes first
Tail Hose Every 2 years or 4000 hours whichever comes first
Attachment Line Hose Every 2 years or 4000 hours whichever comes first
Hydraulic Fan Suction Hose Every 2 years or 4000 hours whichever comes first
Hydraulic Fan Delivery Hose Every 2 years or 4000 hours whichever comes first
Working Device
Boom cylinder line hose Every 2 years or 4000 hours whichever comes first
Arm cylinder line hose Every 2 years or 4000 hours whichever comes first
Bucket cylinder line hose Every 2 years or 4000 hours whichever comes first
Seat Belt
Every 3 years
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NOTE: Be sure to replace seals, such as O-rings and gaskets,
when replacing hoses.
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