5-13
MAINTENANCE
MAINTENANCE LIST
Inspection and maintenance item Page
Every 500 hours
Replacing the hydraulic oil r
eturn filter 5-38
Replacing the water separator filter 5-38
Replacing the fuel filter 5-39
Every 1000 hours
Replacing the travel motor gear oil * 5-40
Cleaning the engine cooling system 5-40
Replacing the air cleaner element 5-42
Inspecting and adjusting the engine valve clearance 5-43
Retightening the engine cylinder head bolt 5-43
Every 1500 hours
Inspecting and cleaning the engine fuel injectors 5-44
Inspecting the crankcase br
eather system 5-44
Every 2000 hours
Lapping the engine valve seats 5-45
Every 4000 hours
Replacing the hydraulic oil and cleaning the suction strainer 5-46
When Requir
ed
Replacing the bucket teeth 5-48
Replacing the bucket 5-50
Lubricating the levers 5-52
Inspecting the rubber crawlers 5-53
Replacing the rubber crawlers 5-54
*:
If the percentage of the traveling time within the total operating time is high, replace the gear
oil earlier than the specified time.
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