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Motors with water cooling
Before connecting, check the cleanness of the cooling water (max.
permissible content of deposits: 30 mg/l). The water connections are to be
connected according to the signs on the motor. The quantity of cooling water
necessary for cooling the motor is to be complied with (see the sign on the
water inlet). To eliminate any entrapped air, the motor's counter-drive side is
provided with a bleed valve. The cooling water quantity control must shut off
the motor if there is less cooling water than required.
The water chambers must be cleaned regularly depending on the content of
deposits. They can be cleaned without disassembling the motor. After
unscrewing the sealing ring on the motor casing's counter-drive side, it is
possible to clean the casing. The explosion protection is not affected by
unscrewing the sealing ring, as the water chamber is not located in the
pressure-resistant section.
Make sure by means of the electric control that the motor can be operated
only with the water flow on and that the water jacket is always perfectly
vented. The maximum inflowing water temperature amounts to 30 °C.
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