Wilo T 17 E3 Series - Page 24

en Installation and electrical connection
24 WILO SE 2019-01
6.4.3.2 Check oil in the sealing chamber
Motor T12, T13, T17, T17.2
+/-
T 12 T 13 T 17 T 17.2
+/-
+/-
+/-
Fig.8: Sealing chamber: Check 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 horizontally on a firm surface. The screw plug points upwards.
WARNING!Risk of hands being crushed. Ensure that the pump cannot fall over
or slip away!
2. Unscrew the screw plug.
3. Place a suitable tank to collect the operating fluid.
4. Drain the operating fluid: Rotate the pump until the opening points downwards.
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 an operating fluid contains metal chips!
6. Pour in operating fluid: Rotate the pump until the opening points upwards. Fill-in
the operating fluid into the opening.
⇒ Comply with the specifications for operating fluid locations and quantity!
When recycling the operating fluid, check the quantity and if required adjust
it!
7. Clean the screw plug, replace the seal ring and screw it back in. Max. tightening
torque: 8Nm (5.9ftlb)!