John Deere Crawler Dozer 850L

Check coolant level at surge tank

Check hydraulic system oil level

Check hydrostatic transmission oil level

Lubricate pushbeam dozer linkage (if equipped)

Lubricate mechanical outside angle dozer linkage (if equipped)

Lubricate power angle tilt (PAT) dozer linkage (if equipped)

Lubricate power angle tilt (PAT) cylinder rods with scrapers (if equipped)

Sign off on the daily maintenance

Drain and refill hydraulic system oil and replace filter

Drain and refill hydrostatic transmission oil and replace hydrostatic transmission oil filter

Replace hydraulic tank breather

Replace hydrostatio tank breather

Replace diesel exhaust fluid (DEF) tank breather filter

Replace diesel exhaust fluid (DEF) header suction filter

Replace diesel exhaust fluid (DEF) baffle

Clean diesel exhaust fluid (DEF) tank

Sign off on the 4000 Hourly Maintenance

Check hybrid battery electrolyte level (if equipped)

Replace primary and final fuel filters

Replace auxiliary fuel filter (if equipped)

Drain water and sediment from fuel tank

Check open crankcase vent (OCV)

Take hydraulic system oil sample

Take inner and outer final drive oil sample

Drain and refill inner final drive oil

Drain and refill outer final drive oil

Replace cab fresh air filter element

Replace cab recirculation filter element

Check track frame pivot shaft bushing oil

Check air intake hoses and connections

Sign off on the 1000 hourly maintenance

Replace diesel exhaust fluid (DEF) dosing unit filter

Replace hydrostatic transmission oil filter

Replace hydraulic system oil filter

Sign off on the 2000 hourly maintenance