5-14
MAINTENANCE
MAINTENANCE LIST
Inspection and maintenance item Page
Walk-around inspection
Inspecting by opening the engine hood and covers 5-16
Inspecting by walking around the machine 5-17
Inspecting while sitting in the operator’s seat 5-17
Daily inspection (every 10 hours)
Inspecting and replenishing the coolant 5-18
Inspecting and replenishing the engine oil 5-19
Inspecting the water separator 5-20
Inspecting the fuel level 5-21
Inspecting the hydraulic oil tank level and replenishing 5-22
Lubricating the working equipment 5-23
After the initial 50 hours (only for new machines)
Replacing the engine oil and the oil filter 5-24
Inspecting and adjusting the fan belt 5-26
Inspecting and adjusting the compressor belt (AC) 5-27
Every 50 hours
Inspecting and adjusting the crawler tension 5-28
Lubricating the slew bearing 5-30
Draining the water from the fuel tank 5-30
Inspecting the battery fluid level and replenishing 5-31
Every 100 hours
Cleaning the water separator <Applicable machine models 126000002 or
later>
5-33
After the initial 250 hours (only for new machines)
Replacing the hydraulic oil return filter 5-34
Replacing the pilot line filter 5-35
Replacing the travel motor gear oil* 5-36
Every 250 hours
Replacing the engine oil and the oil filter 5-37
Inspecting and adjusting the fan belt 5-37
Inspecting and adjusting the compressor belt (AC) 5-37
Cleaning the air cleaner 5-38
Cleaning the radiator fins and the oil cooler fins 5-39
Cleaning the air filters (AC) 5-40
Cleaning the condenser (AC) 5-41
Inspecting the refrigerant (gas) level (AC) 5-42
Every 500 hours
Replacing the fuel filter 5-44
Replacing the water separator filter 5-45
MAINTENANCE LIST
*: If the percentage of the traveling time within the total operating time is high, replace the gear
oil earlier than the specified time.
(AC): Air conditioner