John Deere Tractor 4850

Perform daily or 10 hour service (See Lubrication and Maintenance/10 Hour section)

Avoid unnecessary engine idling.

If engine oil must be added during break-in, use seasonal viscosity grade oil, meeting specifications given in Fuels and Lubricants section.

Engine air intake system hoses and hose clamps are tight?

Check and adjust drive belt tensions. Do not pry on alternator cover. Pry only on mounting brackets. (See Adjusting Belts in Service section)

Check MFWD drive axle housing and wheel hub oil level

Check tension of alternator and compressor belts

Change transmission filter if filter change has not already been required by monitoring system

Sign off on the 100 Hourly Maintenance

Drain, flush, and refill cooling system

Replace coolant conditioner filter

Sign off on the 2 yearly maintenance

Replace coolant conditioner filter

Have your John Deere dealer check nitrogen precharge of shift accumulators