TAP-HAND 1U6539 - Caterpillar

Use only Caterpillar products or commercial products that have passed Caterpillar EC-1 specification for pre-mixed or concentrated coolants.Use only Caterpillar Extender with Extended Life Coolant.Mixing Extended Life Coolant with other products reduces the Extended Life Coolant service life. Failure to follow the recommendations can reduce cooling system components life unless appropriate corrective action is performed.
Bodily injury can occur from unexpected contact with open cab doors on machines equipped with a fixed cab riser.To avoid injury, close the cab door before climbing onto the rear of the machine.
Open the left front access door. Secure the access door.
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Open the top access door (1) of the engine compartment. Secure the access door.
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Locate the pressure cap (2) on the left side of the engine compartment.
Slowly loosen the pressure cap to relieve the system pressure. Remove the pressure cap. Note: You may be required to drain enough coolant from the radiator in order to allow the addition of the Cat ELC Extender. If this is necessary, refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the location of the radiator drain valves.Note: Dispose of drained fluids according to local regulations.
Add the proper amount of Cat ELC Extender to the cooling system. Refer to Operation and Maintenance Manual, "Capacities (Refill)" for the capacity of the cooling system.
Tighten the pressure cap.
Close top access door. Secure the access door.
Close the left front access door. Secure the access door.