5-13
MAINTENANCE
MAINTENANCE LIST
Inspection and maintenance item Page
Every 500 hours
Replacing the hydraulic oil return filter 5-37
Replacing the fuel filters 5-37
Every 1000 hours
Replacing the travel motor gear oil* 5-38
Cleaning the engine cooling system 5-38
Replacing the air cleaner element 5-40
Replacing the air breather (If equipped) 5-41
Inspecting and adjusting the engine valve clearance 5-41
Every 1500 hours
Inspecting and cleaning the engine fuel injection nozzle 5-42
Every 2000 hours
Replacing the hydraulic oil and cleaning the suction strainer 5-43
Every 3000 hours
Inspecting the fuel injection pump 5-45
When required
Replacing the bucket 5-46
Lubricating the levers 5-48
Inspecting the rubber crawlers 5-49
Replacing the rubber crawlers 5-50
*: 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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