Yaroslavl Engine Plant YMZ-536 Operation Manual page 113

 antifreeze (-65) «X-Freeze Carbox®» (Felix® Carbox®),
TS 2422-068-36732629-2006.
ATTENTION! NEVER USE THE CONCENTRATE AS A
READY-TO-USE OPERATING LIQUID!
If the coolant concentrate GlycoShell or Glacelf Auto Supra is
used, to prepare the working solution the concentrate must be diluted
with distilled (demineralized) water in the following proportion:
 56% concentrate over 44 % water to obtain the adequate
liquid at operating temperature not below –40°С.
 65% concentrate over 35% water to obtain the adequate
liquid at operating temperature not below –65°С.
Coolants mentioned in p. 1 (main coolants) are of conventional
type, while those in p. 2 (alternative coolants) are of carboxylated type
WARNING! NEVER MIX UP CONVENTIONAL AND
CARBOXYLATED COOLANTS.
Before using carboxylated coolant, eliminate totally the coolant
used before, wash the whole cooling system with distilled or boiled
water.
COOLANT CHANGE FREQUENCE
Change the coolant every three years of operation.
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