5-12
MAINTENANCE
SAFETY-CRITICAL PARTS
To use the machine safely, periodically perform inspection and maintenance. The safety-critical
parts listed below must be periodically replaced for an increased safety.
Serious injury or a fire could result if they are worn or damaged.
List of safety-critical parts
Unit
Safety-critical parts to be replaced
periodically
When to
replace
Fuel system
Fuel hoses
Every 2 years
Packing on fuel filler cap
Cooling system Rubber hoses
Heater & Air
conditioner systems
Heater hoses
Air conditioner hoses
Hydraulic
system
Main body
Hydraulic hoses (pump - delivery)
Hydraulic hoses (pump - suction)
Hydraulic hoses (slew motor)
Hydraulic hoses (travel motor)
Working
equipment
Hydraulic hoses (boom cylinder piping)
Hydraulic hoses (second boom cylinder piping)
Hydraulic hoses (arm cylinder piping)
Hydraulic hoses (bucket cylinder piping)
Hydraulic hoses (swing cylinder)
Hydraulic hoses (brake line)
Hydraulic hoses (blade cylinder)
Hydraulic hoses (outrigger cylinder)
Hydraulic hoses (ram lock cylinder)
Hydraulic hoses (pilot valve)
Hydraulic hoses (auxiliary piping)
Seat belt Every 3 years
SAFETY-CRITICAL PARTS
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