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u Check relief bores of coolant pump high temperature 1 and coolant pump low temperature 2
for leaks on oil or water side.
In case of oil or water leaks:
u Replace the pump. Make sure that the pump is replaced by authorized service personnel.
Information
Slight drops are not critical.
5.10.5 Bleeding the HT/LT coolant system
DANGER
Hazards by hot operating fluids under pressure.
Burns or skin penetrating fluids will result in death or serious injury.
u Check operating fluid levels only once the temperature has cooled down enough so that
surfaces can be touched with bare hands.
u Carefully open the cover in order to first reduce the excessive pressure.
DANGER
Danger to environment and health by neglect of environmental regulations.
Neglect environmental regulations will result in death or serious injury.
u Observe the country-specific regulations regarding environmental protection when
disposing of scrap materials.
u Collect and store all scrap materials separately in appropriate containers.
u Dispose all scrap materials only at official locations in an environment-friendly manner.
Information
Bleeding the cooling system is part of the scope of the manufacturer of the machinery and
depends on the cooling system design. Following procedure shall be adapted by the manufac‐
turer of the machinery according to its cooling system design.
Use only operating fluids that have been tested and approved by KOHLER.
A pressurized and bubble-free system ensures the performance and function of a cooling
system.
KD103V20 33521030901_2_1 EN_US
2022-09
© 2022 by Kohler Co. All rights reserved.
Maintenance
Cooling system
127
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