Checking The Oil In The Sealing Chamber - Wilo Rexa PRO Serie Instrucciones De Instalación Y Funcionamiento

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Fig. 3: Minimum distances
6.4.2 Maintenance work
6.4.2.1 Rotate impeller
6.4.2.2 Checking the oil in the sealing
chamber
Fig. 4: Sealing chamber: checking the oil
20
Installation and electrical connection
d Diameter of the hydraulics housing
Minimum distance from the wall:
A - alternating operation: min. 0.3 × d
1
- parallel operation: min. 1 × d
Distance discharge pipes
A - alternating operation: min. 1.5 × d
2
- parallel operation: min. 2 × d
After a storage period of more than 6 months, carry out the following maintenance tasks
before installation:
▪ Rotate the impeller.
▪ 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 a danger of limbs being
severed! Protective gloves must be worn against cutting injuries.
‡
Pump is not connected to the power supply!
‡
Protective equipment has been put on!
1. Position the pump horizontally on a firm surface. WARNING! Danger of crushing hands.
Make sure that the pump cannot fall over or slip away!
2. Reach into the hydraulics housing carefully and slowly from below and turn the im-
peller.
+/- Fill/drain the oil in the sealing chamber
‡
Pump is not built-in.
‡
Pump is not connected to the power supply.
‡
Protective equipment has been put on!
1. Position the pump horizontally on a firm surface. The screw plug is facing upwards.
+/-
WARNING! Danger of crushing hands. Make sure that the pump cannot fall over or
slip!
2. Unscrew screw plug.
3. Place a suitable tank to collect the operating fluid.
4. Drain operating fluid: Rotate the pump until the hole points downwards.
5. Check operating fluid:
⇒ When the operating fluid is clear, re-use the operating fluid.
⇒ If the operating fluid is contaminated (black), pour in new operating fluid. Dispose
of operating fluids according to the local regulations!
WILO SE 2019-02