Maintenance
112
C3M2-OM-EN-02
Note
When mixing coolant concentrate with water, do not use less than 40% or
greater than 60% concentration of coolant. Less than 40% gives inadequate
additives for corrosion protection. Greater than 60% can result in coolant
gelation and cooling system problems.
Do not use cooling system sealing additives or antifreeze that contains
sealing additives.
Do not mix ethylene glycol and propylene glycol based coolants.
Do not use coolants that contain nitrites.
6.11.1 Coolant
All Combilift IC engine powered trucks leave the factory with a mixture of 50% water to
50% coolant concentrate (
Glysantin
®
G64
®
)
in the cooling system. This protects the
engine against:
Freezing down to -37°C (-34.6°F)
Corrosion
Cavitation
Overheating
If greater protection against freezing is required the proportion of coolant concentrate
can be increased to a maximum of 60%. This will provide protection against freezing
down to -52°C (-62°F).
Coolant must be completely replaced when repairs are performed on the cooling
system. Rinse out the cooling system before filling with new coolant. A mixture of clean
water with 15% of the new coolant is recommended for rinsing.
The coolant must be changed at regular intervals in accordance with the maintenance
schedule.
The cooling system must be monitored regularly. This includes checking the
concentration of coolant to water. The concentration of coolant concentrate to water
must never be allowed fall below 40% as the protective effects fall away rapidly below
this concentration.
Note
It is advised not to mix different coolant products.
See www.combilift.com/coolant for a list of approved coolant products.
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