John Deere Crawler Dozer 550K

Upload a photo of the replaced engine oil filter

Replace primary and final fuel filters

Replace auxiliary fuel filter (if equipped)

Drain water and sediment from fuel tank

Check hybrid battery electrolyte level (if equipped)

Upload a photo of the replaced winch oil filter (if equipped)

Lubricate rear ripper (if equipped)

Check final drive oil level (Every 250 Hours)

Take engine oil sample (Every 250 Hours)

Sign off on the 50 Hourly Maintenance

Check coolant level at surge tank

Check hydraulic/hydrostatic system oil level

Lubricate dozer linkage and blade socket

Sign off on the maintenance check

Inspect and clean cooling package

Inspect or replace belt and check automatic belt tensioner

Check and clean engine air filter precleaner

Replace primary and secondary engine air filter elements

Check air cleaner dust unloader valve

Check and fill windshield washer fluid level

Check and drain primary fuel filter and water separator

Check and drain auxiliary fuel filter and water separator (if equipped)

Inspect and replace cab fresh air and recirculation filter elements

Open crankcase ventilation (OCV) filter replaced?

Hydraulic system oil drained and refilled?

Hydraulic system filters replaced?

Diesel exhaust fluid (DEF) dosing unit filter replaced?

Engine valve lash checked and adjusted?

Sign off on the 2000 Hourly Maintenance