5-12
MAINTENANCE
MAINTENANCE LIST
Inspection and maintenance item Page
Walk-around inspection
Inspecting by opening the engine hood and covers 5-14
Inspecting by walking around the machine 5-15
Inspecting while sitting in the operator’s seat 5-15
Daily inspection (every 10 hours)
Inspecting and replenishing the coolant 5-16
Inspecting and replenishing the engine oil 5-17
Inspecting the water separator and the fuel filters 5-18
Inspecting the fuel level 5-19
Inspecting the hydraulic oil tank level and replenishing 5-20
Lubricating
theworkingequipment 5-21
After the initial 50 hours (only for new machines)
Replacing the engine oil and the oil filter 5-22
Inspecting
andadjustingthefanbelt 5-24
Inspecting
andadjustingthecompressorbelt(AC) 5-26
Every 50 hours
Inspecting the crawler belt tension 5-28
Lubricating
theslewbearing 5-30
Draining the water from the fuel tank 5-31
Inspecting the battery fluid level and replenishing 5-32
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
andadjustingthefanbelt 5-37
Inspecting
andadjustingthecompressorbelt(AC) 5-37
Cleaning the air cleaner 5-38
Cleaning the radiator fins and 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
*:
If the percentage of the traveling time within the total operating time is high, replace the gear
oil earlier than the specified time.
MAINTENANCE LIST
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