Wilo T 12 Notice De Montage Et De Mise En Service page 84

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6.4.3.1 Rotate impeller
6.4.3.2 Check oil in the sealing chamber
T 12
+/-
Fig. 8: Sealing chamber: Check oil
84
Installation and electrical connection
▪ Check the oil in the sealing chamber.
WARNING
Sharp edges on the impeller and suction port!
Sharp edges can form on the impeller and suction port. There is danger of limbs be-
ing severed! Protective gloves must be worn to protect from cuts.
Small pumps (T 12 ... T 20.1)
‡
The pump is not connected to the mains!
‡
Protective equipment must be put on!
1. Place the pump on a firm surface in a horizontal position. WARNING! Risk of hands
being crushed. Make sure that the pump cannot fall over or slip!
2. Reach into the hydraulics housing carefully from below and slowly and turn the im-
peller.
Large pumps (T 24 ... T 63.2)
‡
The pump is not connected to the mains!
‡
Protective equipment must be put on!
1. Place the pump upright on a firm surface. WARNING! Risk of hands being crushed.
Make sure that the pump cannot fall over or slip!
2. Carefully and slowly reach into the hydraulics housing through the pressure port
and rotate the impeller.
Motor T 12, T 13, T 17, T 17.2
T 13
+/-
+/- 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.
T 17
+/-
T 17.2
+/-
WILO SE 2019-01