John Deere 4WD Loader 444K

Replace air cleaner dust unloader valve

Replace engine air cleaner elements

Replace fuel tank breather filter

Replace axle oil filters (if equipped)

Drain and refill park brake oil

Lubricate loader linkage and cylinder pivots (unless NeverGrease™ equipped)

Lubricate oscillating rear axle pivot

Take engine oil sample (Every 250 Hours)

Drain and refill front and rear axle oil (Initial Service-250 Hours)

Replace axle oil filters (if equipped) (Initial Service-250 Hours)

Sign off on the 100 Hourly Maintenance

Clean air cleaner dust unloader valve

Check coolant level in surge tank

Check hydraulic system oil level

Drain and refill front and rear axle oil

Clean front and rear axle oil recirculation screens (if equipped)

Check and adjust engine valve lash (clearance)

Drain and refill transmission oil and replace filter

Rerun transmission clutch calibration (cab monitor)

Replace open crankcase ventilation (OCV) filter

Sign off on the 2000 hourly maintenance

Clean hydraulic pump case drain in-line screen

Replace hydraulic system return filter

Drain, flush, and refill hydraulic system oil

Clean hydraulic system fill strainer

Check driveline damper for cracks (Every 5000 Hours)

Drain and refill engine cooling system (Every 6000 Hours)

Sign off on the 4000 Hourly Maintenance