
131
WEBM1000 Maintenance Section (D6T LGP (OEM))
Cooling System Coolant Extender (ELC) - Add
17. Stop the engine.
161
Illustration 161
18. Clean the radiator cores with compressed air.
You may need to use water in order to remove
debris.
19. Close th
e left
engine access door.
Cooling System Coolant
Extender (ELC) - Add
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 “Dealer
Ser
vice To
ol Catalog” for tools and supplies suitable
to collect and contain fluids on Cat products.
Dispose of all fluids according to local regulations
and mandates.
Table 26
“Cat ELC Extender” and the Cooling System
Capacity
Cooling System Capacity
D6T Track-Type Tractor
Recommended
Amount of “Cat ELC
Extender”
64.4 L (17.0 US
gal) 1.2 L (41 oz)
64.4 L (14.2 Imp gal) 1.2 L (41 oz)
When a Caterpillar Extended Life Coolant (ELC) is
used, an extender must be added to the cooling
system. See the Operation and Maintenance
Manual, “Maintenance Interval Schedule” for the
proper service interval. The amount of extender is
determined by the cooling system capacity.
For additional information about adding an extender,
s
ee Special Publication, SEBU6250 “C
aterpillar
Machine Fluids Recommendations” or consult your
Caterpillar dealer.
Extended Life Coolant (ELC)
Extender
Use a 8T-5296 Coolant Conditioner Test Kit to check
the concentration of the coolant.
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 filler cap slowly to relieve pressure only
whe
n engine
is stopped and radiator cap is cool
enough to touch with your bare hand.
Cooling System Conditioner contains alkali.
Avoid contact with skin and eyes.
162
Illustration 162
Rear view
1. Open radiator access door (1) on the top right
side of the radiator guard.
2. Filler cap (2) is located inside the radiator
access door
on the top, right side of the radiator
guard. Loosen the radiator cap slowly in order to
relieve pressure. Remove the radiator cap.
3. Dr
ain some coolant from the radiator so that
Extender can be added to t
he cooling system, if
necessary.