MTU 12 V 4000 M63 Specifikace stáhnout pdf (Strana 104)

102 Flushing and cleaning speciﬁcations for engine coolant circuits

Manufacturer

Product name

Concentration for use Order No.

For coolant systems:

For subassemblies:

Henkel P3-FD

3 to 5% by weight

Powder

Henkel Porodox

5 to 10% by

weight

Powder

Kluthe Hakutex 60

100% by volume

Liquid 50602

Novamax Euron 13084

)

5 to 10% by

weight

Powder

For coolant systems contaminated with bacteria, fungi or yeast (so-called system cleaners):

Schülke & Mayr

GmbH

Grotan forte

0.15% by volume

Liquid 40400

Schülke & Mayr

GmbH

Grotanol SR1

1% by volume

Liquid 40339

Troy Chemical

Company

Troyshield SC1

1% by volume

Liquid

Not suitable for galvanized surfaces

Bacteria contamination up to 10

For greasy lime deposits

Bacteria contamination up to >10

, contamination with fungi and

yeast

Preferred for heavy lime deposits

Not stocked by MTU

For heavy lime deposits

Flushing engine coolant circuits

Drain engine coolant.

Measure pH-value of the fresh w ater (MTU test kit or electric pH-value measuring device).

Fill coolant circuit with fresh water.

• Never pour cold water into a hot engine!

Preheat, start and run engine until warm.

Run engine for approx. 30 m inutes at increased speed.

Take ﬂush-water sample (engine-coolant-sample extraction cock).

Shut down engine and drain ﬂush water.

Measure pH-value of the ﬂush-water sample (MTU test kit or electric pH-value measuring device).

If pH-value after ﬂushing is only slightly above pH-value of fresh water, (pH-value difference < 1):

Fill system with treated coolant and start engine.

If pH-value after ﬂushing is still signiﬁcantly above pH-value of fresh water, (pH-value difference > 1):

Fill system with fresh ﬂush water and repeat ﬂushing process.

IfthepH-valueafter4or5ﬂushing sequences is still signiﬁcantly above pH-value of

fresh water, (pH-value difference > 1):

Clean coolant system and, if necessary, the components also.

For further information, see Operating Instructions for engine in question.

Cleaning engine coolant circuits

Prepare concentrated solution of detergen

t (for coolant circuits) in warm fresh water.

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