ADAPTER- 2450449 - Caterpillar

Accidental machine starting can cause injury or death to personnel working on the machine.To avoid accidental machine starting, turn the battery disconnect switch to the OFF position and remove the key. If the machine is not equipped with a battery disconnect switch, disconnect the battery cables from the battery and tape the battery clamps.Place a do not operate tag at the battery disconnect switch location to inform personnel that the machine is being worked on.
Make sure you read and understand the information in the topics Safety and Cooling System Specifications for all information pertaining to water, antifreeze and supplemental coolant additive requirements before you proceed with maintenance of the cooling system.
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.
Drain the coolant whenever the coolant is dirty or whenever foaming is observed.The filler cap is located inside the access door in the top, right side of the radiator guard.
Slowly loosen the filler cap to relieve system pressure. Remove the filler cap.
Illustration 1 g06026200
Remove two bolts (1) and the washers.
Remove the front access plate (2) from the machine.
Unravel the drain hose that sits behind the access plate (not shown). Clean the area surrounding the drain hose, as needed.
Unplug the end of the drain hose. Open the radiator drain valve. Allow the coolant to drain into a suitable container.
Close the drain valve. Fill the system with a solution which consists of clean water and of cooling system cleaner. The concentration of the cooling system cleaner should be 6 to 10 percent.
Start the engine. Run the engine for 90 minutes. Stop the engine. Drain the cleaning solution into a suitable container.
While the engine is stopped, flush the system with water. Flush the system until the draining water is clear.
Close the drain valve. Install the plug on the end of the drain hose. Replace the drain hose behind the access plate (not shown).
Install the front access plate (2) on the machine.
Install two bolts (1) and the washers.
Add the coolant solution. See the following topic in this publication:
Capacities (Refill)Note: Caterpillar antifreeze contains additive. If you are using Caterpillar antifreeze, do not add the supplemental coolant additive at this time. Also, do not change the supplemental coolant additive element at this time.
Start the engine. Run the engine without the filler cap until the thermostat opens and the coolant level stabilizes.
Illustration 2 g02380576
Open the left engine access door. Check the coolant level. Make necessary adjustments to the coolant level. Fill the coolant level to the top of the sight glass, as shown.
If the gasket is damaged, replace the filler cap. Install the filler cap.
Stop the engine.
Illustration 3 g01417320
Clean the radiator cores with compressed air. You may need