Download MAINTENANCE INTERVALS - Safety

148
Maintenance Section
Cooling System Coolant Extender (ELC) - Add
SEBU7889-16
NOTICE
Topping off or mixing Cat ELC with other products that
do not meet Caterpillar EC-1 specifications reduces
the effectiveness of the coolant and shortens coolant
service life.
Use only Caterpillar products or commercial products
that have passed the Caterpillar EC-1 specification for
pre-mixed or concentrate coolants. Use only Extender
with Cat ELC.
Failure to follow these recommendations can result in
shortened cooling system component life.
Illustration 179
g01120228
7. Maintain the coolant level in the sight gauge on
the upper right side of the radiator.
When a Caterpillar Extended Life Coolant (ELC) is
used, an Extender must be added to the cooling
system.
8. Install the cooling system pressure cap. Stop the
engine.
Use a 8T-5296 Coolant Conditioner Test Kit to
check the concentration of the coolant.
i02219407
Cooling System Coolant
Extender (ELC) - Add
Reference: For additional information about
the addition of Extender, refer to Operation and
Maintenance Manual, SEBU6250, “Caterpillar
Machine Fluids Recommendations” or consult your
Caterpillar dealer.
SMCS Code: 1352-544-NL
Pressurized system: Hot coolant can cause serious burn. To open cap, stop engine, wait until radiator is cool. Then loosen cap slowly to relieve
the pressure.
NOTICE
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, “Caterpillar
Tools and Shop Products Guide” for tools and supplies
suitable to collect and contain fluids on Caterpillar
products.
Dispose of all fluids according to local regulations and
mandates.
Illustration 180
g01120130
The cooling system pressure cap is located under
the engine hood at the rear of the machine. Tilt the
hood in order to access the cooling system pressure
cap. The cap is located on the radiator tank on the
left side of the machine.
1. Slowly loosen the cooling system pressure cap in
order to relieve any system pressure. Remove the
cooling system pressure cap.
2. If necessary, drain enough coolant from the
radiator in order to allow the addition of the
Extender to the cooling system. The cooling
system drain valve (2) is located on the lower left
side of the radiator.