Case 621D Wheel Loader Operators Manual 6-36082 - PDF DOWNLOAD

Page 185

LUBRICATION/FILTERS/FLUIDS

ENGINE COOLING SYSTEM Service Specifications Cooling System Capacity .............................................24 liters (25.3 U.S. Quarts) Cooling system drain, flush, and refill interval ....... Every 2000 hours of operation or each year, whichever occurs first. Reservoir Coolant Fluid Level Check Interval ............. Every 50 hours of operation

Thermostat Starts to open ................................................................................... 81°C (178°F) Completely open ............................................................................... 96°C (205°F) Radiator cap ........................................................... 103.4 kPa, 1 bar (15 psi)

Coolant Mixture TRIM THIS EDGE

A mixture of 50% Ethylene Glycol and 50% water must be used in this machine. This mixture is used if the lowest ambient temperature is above -37°C (-34°F). If the ambient temperature is lower, adjust the mixture to 60% Ethylene Glycol and 40% water. It is recommended that Ethylene Glycol and water be used in your machine all year. NOTE: After you fill the cooling system, mix the Ethylene Glycol and water completely by running the engine at operating temperature for approximately five minutes. This procedure must be done when the machine is in temperatures below 0°C (32°F).

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WARNING: Hot coolant can spray out if radiator cap is removed. To remove radiator cap: Let system cool, turn to first notch, then wait until all pressure is released. Scalding can result from fast removal of radiator cap. Check and service engine cooling system according to maintenance instructions. SA023

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