Wilo -Motor T 63. Serie Instrucciones De Instalación Y Funcionamiento página 51

-
Fig. 17: Drain the leakage chamber: T 20.1
E
-
Fig. 18: Drain the leakage chamber: T 50.1,
T 57, T 63.1
Installation and operating instructions Wilo Motor T 12 ... 72 + EMU FA, Rexa SUPRA, Rexa SOLID
Maintenance and repair
Motors T 20.1
- Drain off the leakage
‡
Protective equipment has been put on!
‡
Pump is removed and cleaned (if necessary decontaminated).
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. Place a suitable tank to collect the operating fluid.
3. Unscrew the screw plug slowly (-) but do not unscrew it completely. WARNING! Over-
pressure in the motor! If you hear hissing or whistling sounds, do not turn any fur-
ther! Wait until the pressure has fully dissipated.
4. After the pressure has dissipated, fully unscrew the screw plug (-) and drain the operat-
ing fluid.
5. Clean the screw plug (-), replace the seal ring and screw it back in. Max. tightening
torque: 8 Nm (5.9 ft·lb)!
Motors T 50.1, T 57, T 63.1
E Venting
- Drain off the leakage
‡
Protective equipment has been put on!
‡
Pump is removed and cleaned (if necessary decontaminated).
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. Place a suitable tank to collect the operating fluid.
3. Unscrew the screw plug (E) slowly, but do not unscrew it completely. WARNING! Over-
pressure in the motor! If you hear hissing or whistling sounds, do not turn any fur-
ther! Wait until the pressure has fully dissipated.
4. After the pressure has dissipated, fully unscrew the screw plug (E).
5. Unscrew screw plug (-) and allow the operating fluid to drain out.
6. Clean screw plug (E) and (-), replace the seal ring and screw it back in. Max. tightening
torque: 8 Nm (5.9 ft·lb)!
en-US
51