John Deere Tractor 7430

Change transmission/hydraulic oil filters

Coat sealing rings of new filter elements with grease

Use original John Deere filter elements only!

Sign off on the 750 Hourly Maintenance

Change oil in axle and final drives (tractors with front-wheel drive)

Drained oil while it is still warm?

Enter the torque value when tightening the drain screw

Oil level up to the filler hole?

Change Oil in Front-Wheel Drive Final Drives

Turned wheel until drain screw is at the bottom?

Oil level with drain screw bore?

Change oil in transmission/hydraulic system

Started engine and operated several hydraulic functions to heat up oil?

Warning: This maintenance check requires trained personnel with PPE!

Turn the heater control as far as it will go to the right

Loosen cap (A) and then take it off

Turn connect/disconnect control (B) anti-clockwise as far as it will go

Place a container under the drains to trap the coolant as it emerges. Open drain plug (C)

Close drain plug (C) and fill the system with clean water

Run the engine until it reaches operating temperature. Shut off engine and drain cooling system

Close drain plug again and fill the system with clean water

Again run engine until it has reached operating temperature. Shut off engine and drain system again

If water or sediment deposits have settled in filter, proceed as follows:

Open drain plug (B) by 3/4 of a turn. Retighten the plug as soon as water and sediment deposits have drained out

Open drain plug (C) by 3/4 of a turn. Retighten the plug as soon as water and sediment deposits have drained out

Turn key in main switch to the right to the first switch position so that the fuel transfer pump is operating. Keep the pump running for approx. 40 seconds

If water was present in fuel filter, use a 1/2-inch square-section key to loosen drain plug (D) under the fuel tank by one turn. After draining off any water and sediment deposits, retighten drain plug until hand-tight

Drain engine crankcase and refill with fresh oil

Check engine drive belt for wear

Lubricate front PTO drive shaft

Use coolant test strip to test coolant (see annual service)

John Deere COOL-GARD™ II Premix and COOL-GARD II Concentrate are maintenance-free coolants for up to 6 years or 6000 hours of operation, provided that the cooling system is topped off using only John Deere COOL-GARD II Premix coolant. Test the coolant condition annually with coolant test strips designed for use with John Deere COOLGARD II coolants. If the test strip chart indicates that additive is required, add John Deere COOL-GARD II EXTENDER as directed.

First loosen cap (A) and then take it off