Case 1021F, Operator'S Manual

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7 - MAINTENANCE
Engine cooling system
Depending on the date of manufacture, your cooling
system may be equipped with conventional ethylene
glycol coolant such as
CASE AKCELA PREMIUM
ANTI-FREEZE or an Organic Acid Technology (OAT)
coolant solution such as CASE AKCELA ACTIFULL
OT® EXTENDED LIFE COOLANT which is easily iden-
tified by its yellow color. The coolant types should never
be mixed. The decal shown below (CNH part number
47488993) is located near the fill point of the cooling
system whenever
CASE AKCELA ACTIFULL OT®
EXTENDED LIFE COOLANT is filled at the factory.
The following CNH material specifications must be met for
either coolant solution used:
•
MAT3624 for OAT coolant.
•
MAT3620 for conventional coolant.
If you need to change a machine from conventional
coolant to OAT coolant or vice versa, you should follow
the “Changing coolant types” procedure below to attain
the full benefit of the coolant. You should not mix OAT
coolant with conventional coolant. Mixing OAT coolant
with conventional coolant will reduce the effectiveness of
OAT coolant.
NOTICE: Issues as a result of failing to follow the above
guidelines will not be covered under warrantly.
47488993
4
Changing coolant types
To change coolant from OAT coolant to conventional
coolant (or vice versa):
1. Empty the engine cooling system by draining the
coolant into a suitable container.
2. Fill the system with clean water.
3. Start the engine and run for at least 30 min .
NOTE: Ensure the heating system (if equipped) is ac-
tivated to circulate fluid through the heater core.
4. Repeat Steps 1 to 3, for a total of two washes.
5. Fill the system with conventional coolant (or OAT
coolant).
6. Operate the engine until it is warm. Inspect the ma-
chine for leaks.
7. If you are changing to OAT coolant, the attach the label
(CNH part number 47488993) to indicate the use of
OAT coolant in the cooling system.
Definitions
Conventional coolant
• A coolant that relies on inorganic inhibitors such as sil-
icates, nitrites and phosphates for corrosion and cavi-
tation protection
Organic Acid Technology (OAT) coolant
• A coolant the relies on inhibitors such as organic acid
salts for corrosion and cavitation protection.
Anti-freeze/Anti-corrosion
Use anti-freeze in all seasons to protect the cooling sys-
tem from corrosion and risk of freezing. For areas where
the ambient temperature is over
-36 °C ( -32.8 °F ) use a
blend of 50 % ethylene-glycol based anti-freeze.
For areas where the temperature is below -36 °C
( -32.8 °F )- it is advisable to use a blend of 40 % water
and 60 % anti-freeze.
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