Wilo T 12 Notice De Montage Et De Mise En Service page 86

en
T 30, T 34, T 42
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Fig. 10: Sealing chamber: Check oil
6.4.4 Stationary wet well installation
86
Installation and electrical connection
Motors T 30, T 34, T 42, T 49, T 50.1, T 56, T 57, T 63.x, T 72
T 49, T 56
+
-
+ Add the oil to the sealing chamber
- Drain the oil in the sealing chamber
‡
Pump is not installed.
‡
Pump is not connected to the mains.
‡
Protective equipment has been put on!
1. Place the pump upright on a firm surface.WARNING! Risk of hands being crushed.
Ensure that the pump cannot fall over or slip away!
2. Place a suitable tank to collect the operating fluid.
3. Unscrew the screw plug (+).
4. Unscrew screw plug (-) and drain the operating fluid. If a shut-off ball cock is in-
stalled on the outlet opening, open the shut-off ball cock.
5. Check the operating fluid:
⇒ If the operating fluid is clear, reuse operating fluid.
⇒ If the operating fluid is contaminated (black), fill with new operating fluid. Dis-
pose of operating fluid in accordance with the local regulations!
⇒ Notify customer service if the operating fluid contains swarf!
6. If a shut-off ball cock is installed on the outlet opening, close the shut-off ball
cock.
7. Clean the screw plug (-), replace the seal ring and screw it back in. Max. tightening
torque: 8 Nm (5.9 ft·lb)!
8. Pour the new operating fluid in through the hole for the screw plug (+).
⇒ Comply with the specifications for operating fluid type and quantity! When re-
cycling the operating fluid, check the quantity and if required adjust it!
9. Clean the screw plug (+), replace the seal ring and screw it back in. Max. tightening
torque: 8 Nm (5.9 ft·lb)!
NOTICE
Pumping problems due to water level being too low
If the fluid is lowered too much, separation of the volume flow may occur. Further-
more, air cushions may form in the hydraulic system, resulting in undesirable beha-
viour during operation. The minimum permissible water level must reach the upper
edge of the hydraulics housing!
T 50.1, T 57, T 63.1
-
T 63.2, T 72
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-
WILO SE 2019-01
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