Wilo FK 17.1 - Page 168

en Installation and electrical connection
168 WILO SE 2019-01
6.4.2.3 Check oil in the sealing chamber
Motor FK 17.1
+/-
Fig.6: Sealing chamber: Check the oil
+/- Fill/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 on a firm surface in a vertical position.WARNING!Risk of hands
being crushed. Ensure that the pump cannot fall over or slip away!
2. Position a suitable tank to collect the operating fluid.
3. Unscrew screw plug and allow the operating fluid to drain out.
4. 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 the customer service if the operating fluid contains swarf!
5. Pour the operating fluid in through the opening.
⇒ Comply with the specifications for operating fluid type and quantity. When re-
cycling the operating fluid, check the quantity and if required adjust it.
6. Clean the screw plug, replace the seal ring and screw it back in. Max. tightening
torque: 8Nm (5.9ft·lb)!
Motors FK 202, FK 34, FK 42
-
+
Fig.7: Sealing chamber: Check the oil
+ Fill the oil in 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)!