5-13
MAINTENANCE
Inspection and maintenance item Page
Every 500 hours
Replacing the hydraulic oil return filter
5-35
Replacing the fuel filter
5-35
Every 1000 hours
Replacing the travel motor gear oil *
5-36
Cleaning the engine cooling system 5-36
Replacing the air cleaner element
5-38
Inspecting and adjusting the engine valve clearance
5-39
Retightening the engine cylinder head bolt
5-39
Every 1500 hours
Inspecting and cleaning the engine fuel injectors
5-40
Inspecting the crankcase breather system
5-40
Every 2000 hours
Lapping the engine valve seats 5-41
Every 4000 hours
Replacing the hydraulic oil and cleaning the suction strainer
5-42
When Required
Replacing the bucket teeth and the side cutters
5-44
Replacing the bucket 5-47
Inspecting and replenishing the windshield washer fluid
5-49
Lubricating the levers 5-50
Inspecting the rubber crawlers 5-51
Replacing the rubber crawlers 5-52
*: 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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