John Deere Wheel Loader 644L

Replace diesel exhaust fluid (DEF) tank breather filter

Replace diesel exhaust fluid (DEF) dosing unit filter

Replace hydraulic system return filter

Drain, flush, and refill hydraulic system oil

Clean hydraulic system fill strainer

Sign off on the maintenance completion

Lubricate driveline lower U-joints

Lubricate driveline upper and lower sliding joints

Lubricate front and rear axle shaft seals

Check hybrid battery electrolyte level (if equipped)

Replace hydraulic reservoir breather filter

Check front and rear axle oil level

Check air intake hoses and charge air cooler tube couplings

Replace fast fill fuel breather (if equipped)

Drain and refill engine oil and replace filter

Check windshield washer fluid level

Check and clean precleaner housing (if equipped)

Check and clean heating and air conditioning housing

Inspect tires and check pressure

Clean hydraulic pump case drain in-line screen

Check rear camera and radar object detection (ROD) system (if equipped)

Air cleaner dust unloader valve replaced

Engine air cleaner elements replaced

Fuel tank breather filter replaced

Park brake oil drained and refilled

Driveline damper checked for cracks (Every 5000 Hours)

Sign off on the wheel loader maintenance

Lubricate loader linkage and cylinder pivots

Lubricate coupler lock pins (if equipped)