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5.4.4
Coolant check
5.4.4.1
Checking coolant level, adding
coolant
1. Remove the radiator cap (1), after the engine has
completely cooled, and check to see that coolant
reaches the supply port.
2. If the radiator is provided with a recovery tank (2),
check the coolant level of the recovery tank.
When it is between the "FULL" (A) and "LOW"
(B) marks, the coolant will last for one day's work.
For more details, read the instructions in the Engine
Operation Manual.
5.4.4.2
Monitoring coolant condition
In order to guarantee the lifetime and quality of the
product, thus to optimise engine protection, regular
coolant-condition-analysis is advisable.
The quality of the product can be determined by three
parameters.
Visual check
– Verify the outlook of the coolant regarding colour
and make sure that no loose particles are floating
around.
pH measurement
– Check the pH value of the coolant using a pH-
measuring device.
The pH-meter can be ordered from Atlas Copco
with part number 2913 0029 00.
Typical value for EG = 8.6.
– If the pH-level is below 7 or above 9.5, the coolant
should be replaced.
Do not open the radiator cap if the
coolant is too hot.
1
2
A
B
Long service intervals
5-year drain interval to minimize
service costs (when used in
accordance with the instructions).
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