Change the Coolant - 4-Cylinder Engines

TS281-UN-15APR13

LX1057563-UN-12JUL12

LX1045682-UN-16NOV10

A - Expansion Tank Cap

B - Drain Plug

CAUTION: Do not open cap (A) of expansion tank before coolant temperature is below boiling point. First loosen the cap to relieve pressure, then remove cap completely.

NOTE: Comply with service interval instructions regarding engine coolant.

The FIRST service interval is 6 years or 6000 hours, provided the cooling system has been improved exclusively with John Deere COOL-GARD II and Premix and the coolant has been tested at the prescribed intervals. After initial service, the SCHEDULED interval (2 years or 2000 hours) can be extended up to 6 years or 6000 hours depending on coolant used and if coolant is tested at recommended intervals. Comply with the recommended engine coolant service intervals in Diesel Engine Coolant in the Fuel, Lubricants, Hydraulic Oil and Coolant section of this manual.

1. On tractors with cab, turn the heater control as far as it will go to the right.

2. First loosen cap (A) and then take it off.

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

After coolant has drained out, close drain plug (B) and tighten it to the specified torque.

Item	Measurement	Specification
Coolant - Drain Plug	Torque	4—5 N·m 3—3.7 lb.-ft.

IMPORTANT: Never pour cold water or coolant into the hot engine. Always use warm water or wait until engine has cooled down.

CAUTION: Before starting the engine, always close the hood.

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.

Close the drain plug and fill the system up to the max. mark with the prescribed coolant (see Fuel, Lubricants, Hydraulic Oil and Coolant).

Start the engine and run it for 5 minutes.

Shut off the engine and add coolant up to the max. mark.

Start the engine and bring it up to operating temperature.

Shut off the engine and add coolant up to the max. mark.

Once again, install and close cap (A).

For efficient cooling, the radiator screen must be kept clean. Remove any dust or oil and carefully straighten any bent fins.