
SEBU8219-01 93
Maintenance Section
Cooling System Coolant Extender (ELC) - Add
3. Check the coola
nt level. Maintain the coolant level
within 13 mm (0.5 inch) below the bottom of the
pipe for filling. Maintain the coolant level within
13 mm (0.5 inch
) to the proper level on the sight
glass (if equipped).
4. Clean the coo
ling system filler cap. Inspect the
gasket that is on the cooling system filler cap. If
the gasket that is on the cooling system filler cap
is damaged, d
iscard the old cooling system filler
cap and install a new cooling system filler cap. If
the gasket that is on the cooling system filler cap is
not damaged
,usea9S-8140 Pressurizing Pump
in order to pressure test the cooling system filler
cap. The correct pressure for the cooling system
filler cap is
stamped on the face of the cooling
system filler cap. If the cooling system filler cap
does not retain the correct pressure, install a new
cooling sy
stem filler cap.
5. Start the engine. Inspect the cooling system for
leaks and f
or proper operating temperature.
i02482066
Coo ling System Coo lant
Extender (ELC) - Add
SMCS Code: 1352-544-NL
Cat ELC (Extended Life Coolant) does not require
the frequent additions of any supplemental cooling
additives which are associated with the present
conventional coolants. The Cat ELC Extender only
needs to be added once.
NOTICE
Use only Cat Extended Life Coolant (ELC) Extender
with Cat ELC.
Do NOT use conventional supplemental coolant addi-
tive (SCA) with Cat ELC. Mixing Cat ELC with conven-
tional coolants and/or conventional SCA reduces the
Cat ELC service life.
Check the cooling system only when the engine is
stopped and cool.
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 cooling system pressure cap slowly to
relieve pressure only when engine is stopped and
cooling system pressure cap is cool enough to
touch with your bare hand.
Do not a ttempt to tighten hose connections when
the coolant is hot, the hose can come off causing
burns.
Cooling System Coolant Additive contains alkali.
Avoid contact with skin and eyes.
NOTICE
Care must be t
aken to ensure that fluids are contained
during performance of inspection, maintenance, test-
ing, adjusting and repair of the product. Be prepared to
collect the
fluid 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
all fluids according to local regulations and
mandates.
1. Loose n the cooling system filler cap slowly in
order to re
lieve pressure. Remove the cooling
system filler cap.
2. It may be ne
cessary to drain enough coolant from
the cooling system in order to add the Cat ELC
Extender.
3. Add Cat ELC Extender according to the
requirements for your engine’s cooling system
capacity
. Refer to the Operation and Maintenance
Manual, “Refill Capacities and Recommendations”
article for more information.
4. Clean the coolin g system filler cap. Inspect the
gaskets on the cooling system filler cap. Replace
the cool
ing system filler cap if the gaskets are
damaged. Install the cooling system filler cap.