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300200029-en-00.fm
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B 9-1-1
Checking corrosion protection agent or antifreeze in coolant
Corrosion protection agent is added to the coolant to protect the coolant
areas from corrosion. However, this protection is only given when a certain
minimum content of corrosion protection agent is not exceeded. If there is
more corrosion protection agent than necessary in the coolant, the cooling
effect is reduced.
If an antifreeze is added to the coolant, this should also have corrosion pro-
tection properties. A corrosion protection agent does not need to be added in
this case. The antifreeze percentage must be dosed accordingly for the
above mentioned reasons.
If the cooling system needs refilling, the percentage of antifreeze or corrosion
protection agent in the coolant must be measured. Then the coolant should
be corrected according to the following description.
Check the corrosion
protection agent and
antifreeze percent-
age
●
Remove the coolant sample from the cooler, compensation tank or drain-
ing tap.
●
Check the percentage additive with the measuring instrument.
●
Setpoint according to
.
Correct the corro-
sion protection
agent and antifreeze
percentage
Percentage additive too low:
To refill, drain coolant, mix well with the amount of additive to be refilled and
then pour in the mixture again.
Percentage additive too high:
Drain the amount of coolant and fill up with pure water (quality according to
).
●
Bleed the cooling system.
Tools
-
Test case order no. 12158292
Cross references
-
quantity of additiv required additionally
total filling quantity
nominal value - measured value
(
)
×
100
-------------------------------------------------------------------------------------------------------------------------------------------------
=
coolant to be drained
1
nominal value
measured value
--------------------------------------------
–
⎝
⎠
⎛
⎞
total filling quantity
×
=
Summary of Contents for TBD 616 OEM
Page 1: ...Operating Instructions TBD 616 OEM Operating Instructions TBD 616 OEM ...
Page 2: ......
Page 138: ...Chapter 8 Page 6 300200137 en 00 fm 0103 Technische Angaben TBD 616 OEM ...
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