John Deere Tractor 9520

Change Transmission/Axle, and Hydraulic Oil —24-Speed POWRSYNC Transmission

Change Transmission/Axle, and Hydraulic Oil —18-Speed Powershift Transmission

Inspect Alternator and Fan Belt Tensioners

Check Axle End Play (Normal Use) (2000 Hourly Maintenance)

Operate engine at 2100 rpm, with transmission in PARK position, for at least 5 minutes (or longer with cold oil) to fill axles and return oil from the axles to the transmission.

Stop engine and allow the oil level to stabilize in the sight gauge for at least 5 minutes. Recheck oil level and refill at fill tube (A) as necessary.

Replace Fuel Filter (9220, 9320, 9420, 9520, 9620)

Pump brake pedal. Pedal (A) should have a solid feel. If the pedal does not feel solid, bleeding the brakes may be necessary.

Be sure the pedal does not settle to the end of stroke within 10 seconds after being applied. If leakage exceeds this rate, see your John Deere Dealer.

Clean Cab Air and Recirculation Filters

Reservoir Breather Filter replaced?

Transmission/Axle Filter replaced?

Coolant tested and Coolant Conditioner added?

Engine Air Intake System cleaned?

Sign off on the 750 Hourly Maintenance

Primary Engine Air Filter replaced

Secondary Engine Air Filter replaced

Motor Seal Drain Filter replaced (if equipped)

Sign off on the yearly maintenance