Change Coolant

LX1047130-UN-26AUG08

LX1030839-UN-31JAN03

A - Relief Valve Cap

B - Filler Cap

C - Drain Plug

CAUTION: Remove expansion tank caps only when coolant temperature is below boiling point. First loosen the black cap (A) to relieve pressure, then remove the green cap (B) completely.

1. In the cab, turn the heater control as far as it will go to the right.

2. Loosen cap (A) and take off cap (B).

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

As soon as system is empty, close drain plug (C) and fill the system with clean water.

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 drain plug again, and this time fill the system with the specified coolant (see section Fuel, Lubricants, Hydraulic Oil and Coolant).

Add coolant up to the max. mark.

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.

Re-install and close the filler cap (B) and relief valve cap (A).

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