John Deere Tractor 4840

1. CHANGE ENGINE OIL. Remove crankcase drain plug and filter drain plug. Replace plugs after oil drains out. Use oil specified on page 78.

2. CHECK ALL TIRES. Repair cuts or breaks as soon as possible. Check pressure of each tire and adjust if needed. If tires contain liquid ballast, use a special air-water gauge, and measure with valve stem at bottom. See tire pressure chart on page 101.

1. INSPECT FIRE EXTINGUISHER (if equipped). See manual packaged with extinguisher for inspection instructions.

2. REPLACE TRANSMISSION FILTER ELEMENT on QUAD-RANGE tractor. With engine stopped, remove filter cover. Pull out old element and install a new one. Replace cover gasket if defective.

3. CHECK TRANSMISSION-HYDRAULIC SYSTEM OIL LEVEL with tractor on level ground. If low, add oil specified on page 79.

4. WASH BREATHER FILTER INSIDE FILLER CAP in solvent, then blow dry with compressed air.

5. SERVICE BATTERIES. Wipe with a damp cloth. Clean and tighten connections if needed. Check liquid level in each cell. Fill to bottom of filler neck with clean, mineral-free water.

6. CHECK TENSION OF ALTERNATOR AND COMPRESSOR BELTS as instructed on page 98.

Lubricate front axle pivot pins, steering spindles, and tie rods (10 fittings)

Lubricate front wheel bearings (ONLY in extremely wet conditions)

Lubricate wide-swing drawbar (if equipped)

Check fuel pump sediment bowl and fuel filters for sediment or water

Sign off on the tractor maintenance

Avoid unnecessary engine idling during first 100 hours.

Drive belt tensions checked and adjusted.

Cooling system and air intake system hoses and hose clamps checked for tightness.

Engine oil and filter changed after first 100 hours.

Transmission-hydraulic system filter or filters changed after first 50 hours.

Wheel, rim, and axle bolts checked and tightened.

Lubricate axle pivot pins, steering spindles, and tie rods with several shots of grease specified on page 79 (10 fittings)

Grease front wheel bearings daily, only if tractor has been in extremely wet conditions. Continue 10 hour lubrication until bearings can be cleaned and repacked. Use grease specified on page 80

Remove dipstick and check engine oil level. If low, add oil specified on page 78

Check fuel pump sediment bowl and fuel filters for sediment or water. If any is present, drain it out and bleed air from lines. See page 104

Remove radiator cap and check coolant level. Add clean water or antifreeze as needed

Lubricate wide-swing drawbar rollers with several shots of grease specified on page 79 (if equipped with wide-swing drawbar)

Sign off on the 10 Hourly Tractor Maintenance

Drain, Flush, and Refill Cooling System

Was the cooling system drained, flushed, and refilled as instructed on page 104?

Was the coolant filter element replaced as instructed on page 105?

Replace Primary and Secondary Air Cleaner Elements

Were the primary and secondary air cleaner elements replaced at least once this year as per instructions on page 96?

Sign off on the tractor maintenance