Wilo T 12 Notice De Montage Et De Mise En Service page 109

+
Fig. 21: Greasing roller bearings: T 63.2
+
Fig. 22: Greasing roller bearings: T 72
9.6.8 Draining condensation water
Installation and operating instructions Wilo Motor T 12 ... 72 + EMU FA, Rexa SUPRA, Rexa SOLID
Maintenance and repair
Motor T 63.2
- Leakage chamber screw plug (venting)
+ Grease nipple for greasing (grease quantity: 200 g/7 oz)
‡
Protective equipment must be put on!
‡
Pump has been dismantled and cleaned (decontaminated if required).
1. Place the pump on a firm surface in a vertical position. WARNING! Risk of hands
being crushed. Make sure that the pump can not fall over or slip!
2. Unscrew the leakage chamber screw plug (-) slowly and do not unscrew it com-
pletely. WARNING! Overpressure in the motor! Stop turning the screw plug fur-
ther if hissing or whistling is audible! Wait until the pressure has completely
dissipated.
-
3. After the pressure has dissipated, fully unscrew the leakage chamber (-) screw
plug.
4. Unscrew the screw plug (+). The grease nipple for lubricating the bearings is loc-
ated behind the screw plug.
5. Use a grease gun to inject the new grease into the grease nipple.
6. Clean screw plugs (-) and (+), fit with new seal ring and screw it back in. Max.
tightening torque: 8 Nm (5.9 ft·lb)!
Motor T 72
- Leakage chamber screw plug (venting)
Grease nipple for greasing
+ Grease quantity lower bearing: 160 g/6 oz
Grease quantity upper bearing: 20 g/0.7 oz
‡
Protective equipment must be put on!
‡
Pump has been dismantled and cleaned (decontaminated if required).
1. Place the pump on a firm surface in a vertical position. WARNING! Risk of hands
+
being crushed. Make sure that the pump can not fall over or slip!
2. Unscrew the leakage chamber screw plug (-) slowly and do not unscrew it com-
-
pletely. WARNING! Overpressure in the motor! Stop turning the screw plug fur-
ther if hissing or whistling is audible! Wait until the pressure has completely
dissipated.
3. After the pressure has dissipated, fully unscrew the leakage chamber (-) screw
plug.
4. Unscrew the screw plug (+). The grease nipple for lubricating the bearings is loc-
ated behind the screw plug.
5. Use a grease gun to inject the new grease into the grease nipple.
6. Clean screw plugs (-) and (+), fit with new seal ring and screw it back in. Max.
tightening torque: 8 Nm (5.9 ft·lb)!
en
109