John Deere Tractor 624P

Lubricate loader linkage and cylinder pivots

Lubricate coupler lock pins (if equipped)

Replace axle oil filters after initial 250 hours

Take engine oil sample in every 250 hours

Sign off on the lubrication process

Replace air cleaner dust unloader valve

Replace engine air cleaner elements

Replace fuel tank breather filter

Drain and refill park brake oil

Check driveline damper for cracks

Drain and refill cooling system

Replace diesel exhaust fluid (DEF) tank breather filter

Drain, flush, and refill hydraulic system oil

Clean hydraulic system fill strainer

Replace diesel exhaust fluid (DEF) dosing unit filter

Replace hydraulic system return filter

Front and Rear Axle Maintenance

Replace open crankcase ventilation (OCV) filter

Check and adjust engine valve lash

Clean air cleaner dust unloader valve

Check coolant level at surge tank

Check hydraulic system oil level