5-13
MAINTENANCE
Inspection and maintenance item Page
Every 500 hours
Replacing the fuel filter 5-44
Replacing the water separator filter <TB285> 5-46
Replacing the feed pump filter <TB290> 5-47
Every 1000 hours
Replacing the hydraulic oil return filter 5-48
Replacing the pilot line filter 5-48
Replacing the travel motor gear oil * 5-48
Cleaning the engine cooling system 5-48
Replacing the air cleaner element 5-50
Replacing the air breather filter 5-51
Inspecting
andadjustingtheenginevalveclearance 5-51
Retightening the engine cylinder head bolt <TB285> 5-51
Inspecting the engine compression pressure <TB290> 5-51
Inspecting and cleaning the engine starter and the alternator <TB290> 5-51
Every 1500 hours
Inspectingandcleaningtheenginefuelinjectors<TB285> 5-52
Inspecting the crankcase breather system <TB285> 5-52
Every 2000 hours
Lapping
theenginevalveseats<TB285> 5-53
Every 4000 hours
Replacing the hydraulic oil and cleaning the suction strainer 5-54
When Required
Replacing the bucket teeth and the side cutters 5-58
Replacing the bucket 5-60
Adjusting
thegapbetweenthebucketandarm 5-62
Inspecting and replenishing the windshield washer fluid 5-63
Draining the water from the water separator 5-63
Lubricating
theleversandpedals 5-64
Inspecting the rubber crawlers 5-65
Replacing the rubber crawlers 5-66
*:
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