CARD 5393154 - Caterpillar

Personal injury can result from hot coolant, steam and alkali.At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns.Remove filler cap slowly to relieve pressure only when engine is stopped and radiator cap is cool enough to touch with your bare hand.Cooling System Conditioner contains alkali. Avoid contact with skin and eyes.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Table 1
Amount of the Caterpillar Extended Life Coolant Extender by Cooling System Capacity
Cooling System Capacity Recommended Amount of Caterpillar Extender
208 L (55 US gal) 4.16 L (1.1 US gal) When a Caterpillar Extended Life Coolant (ELC) is used, an extender must be added to the cooling system. See the Operation and Maintenance Manual, "Maintenance Interval Schedule" for the proper service interval. The amount of extender is determined by the cooling system capacity.For additional information about adding an extender, see Operation and Maintenance Manual, "Model Specific Coolant Information" or consult your Caterpillar dealer.Use a 8T-5296 Coolant Test Kit to check the concentration of the coolant.
Illustration 1 g03512762
The access door for the radiator cap for the coolant is located on the top left of the engine enclosure. Loosen the radiator cap (1) slowly in order to relieve pressure. Remove the radiator cap.
Illustration 2 g03513018
Open the left engine access door to view sight glass (2)
Draining some coolant from the radiator may be necessary so that Extender can be added to the cooling system.
Add 4.16 L (139 oz) of Extender to the cooling system.
Observe sight glass (2) in order to verify the level of coolant. If the coolant level is at the middle of the sight glass, the coolant level is correct. If the coolant level is below the middle of the sight glass, the coolant level is low.
Replace radiator cap (1) if the cap gasket is damaged. Install the radiator cap.