CAT Articulated Truck 725 Specifications Page 15

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116 SEBU8524
Maintenance Section
Cooling System Coolant Extender (ELC) - Add
Add Extended Li
fe Coolant until the level in the
coolant tank is halfway between the top and the
bottom of the sight glass (2).
6. Start the engine. Run the engine until the water
temperature regulator opens and the coolant level
stabilizes.
Note: Do not install the cap.
7. Add Extended Life Coolant until the level reaches
halfway up sight glass (2). Refer to Operation and
Maintenanc
e Manual, “Capacities (Rell) for the
required amount of Extended Life Coolant.
8. Inspect th
e cap. If the cap is damaged, replace
the cap.
9. Install th
ecap.
10. Shut off the engine.
i01865470
Coo ling System Coo lant
Extender (ELC) - Add
SMCS Code: 1352-544-NL
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.
Table 20
Cooling System Capacity
Recommended Amount
of Caterpillar Extender
22to30L(6to8USgal) 0.57L(20oz)
30 to 38 L (8 to 10 US gal) 0 .71 L (24 oz)
38 to 49 L (10 to 13 US gal) 0.95 L (32 oz)
49 to 64 L (13 to 17 US gal) 1.18 L (40 oz)
64 to 83 L (17 to 22 US gal) 1.60 L (54 oz)
83 to 114 L (22 to 30 US gal) 2.15 L (72 oz)
114 to 163 L (30 to 43 US gal) 3.00 L (100 oz)
163 to 242 L (43 to 64 US gal) 4.40 L (148 oz)
For additional information about adding an extender,
see Special Publication, SEBU6250 or consult your
Caterpillar Dealer.
i03579888
Cooling Sy stem Coolan t Leve l
- C heck
SMCS Code: 1350-535-FLV
Pressurized system: Hot coolant can cause seri-
ous burn. To
opencap,stopengine,waituntilra-
diator is cool. Then loosen cap slowly to relieve
the pressure.
Park the machine on a level surface. Ensure that the
parking brake is fully engaged. Lower the truck body
or OEM atta
chment and shut off the engine.
g01125467
Illustration 134
The tank for the cooling system is located at the rear
of the cab.
The tank for the cooling system features a sight glass
(1).
Check the cooling system level in the coolant tank.
The coolant level should be maintained halfway
between the top and the bottom of the transparent
tube of the sight glass on the coolant tank.
Add coolant, if necessary. Refer to Operation and
Maintenance Manual, “Cooling System Coolant -
Change for information on adding coolant.
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