
98 SEBU8213-04
Maintenance Section
Cooling System Coolant (ELC) - Change
NOTICE
Care must be ta
ken to ensure that fluids are contained
during performance of inspection, maintenance, test-
ing, adjusting and repair of the product. Be prepared to
collect the flu
id with suitable containers before open-
ing any compartment or disassembling any compo-
nent containing fluids.
Refer to Special Publication, NENG2500, “Caterpillar
Dealer Service Tool Catalog” for tools and supplies
suitable to
collect and contain fluids on Caterpillar
products.
Dispose of a
ll fluids according to local regulations and
mandates.
Note: This machine was filled at the factory with
Caterpill
ar Extended Life Coolant.
If the coolant in the machine is changed to Extended
Life Cool
ant from another type of coolant, see Special
Publication, SEBU6250, “Caterpillar Machine Fluids
Recommendations”.
1. Open the left engine access door first in order to
access the latch for the top access panel.
2. Open the access panel on top of the engine
compartment in order to remove the cooling
system
pressure cap.
g01259916
Illustration 126
g01259915
Illustration 127
3. Loosen cooling system pressure cap (1) slowly
when you are inside the engine compartment in
order to release the pressure from the cooling
system.
4. Remove the pressure cap.
g01260273
Illustration 128
Note: Refer to Operation and Maintenance Manual,
“General Hazard Information” for information that
pertains to containing fl uid spillage.
5. Remove access cover (3) that is in the engine
guard.
6. Open drain valve (2) and allow the coolant to
drain into a suitable container. The drain valve is
located on the bottom of the radiator.
7. Flush the cooling system. Follow Step 7.a through
Step 7.h in order to properly flush the cooling
system.
a. Close drain valve (2).
b. Fill the cooling system with clean water.
c. I nstall pressure cap (1).