Wilo FKT 50.1 Series Installation And Operating Instructions Manual page 203

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Fig. 19: Draining condensation water FKT 63.2
9.6.11 Greasing roller bearings
E
Fig. 20: Greasing roller bearings FKT 50.1, 57,
63.1
Installation and operating instructions Wilo Motor FKT 50.1, 57, 63.1, 63.2 + EMU FA
Maintenance and repair
Motor FKT 63.2
- Draining condensation water
‡
Protective equipment has been put on!
‡
Pump has been dismantled and cleaned (decontaminated if required).
1. Place the pump upright on a firm surface.WARNING! Risk of hands being crushed.
Ensure that the pump cannot fall over or slip away!
2. Place a suitable tank to collect the operating fluid.
3. Unscrew the screw plug slowly (-) but do not unscrew it completely. WARN-
ING! Overpressure in the motor! Stop turning the screw plug further if hissing
or whistling is audible! Wait until the pressure has completely dissipated.
4. After the pressure has dissipated, fully unscrew the screw plug (-) and drain the
operating fluid.
5. Clean the screw plug (-), replace the seal ring and screw it back in. Max. tightening
torque: 8 Nm (5.9 ft·lb)!
Motor FKT 50.1, 57, 63.1
E Venting
+ Grease nipple for greasing (grease quantity: 200 g/7 oz)
‡
Protective equipment has been put on!
‡
Pump has been dismantled and cleaned (decontaminated if required).
1. Place the pump upright on a firm surface.WARNING! Risk of hands being crushed.
Ensure that the pump cannot fall over or slip away!
2. Unscrew the screw plug (E) slowly, but do not unscrew it completely. WARN-
ING! Overpressure in the motor! Stop turning the screw plug further if hissing
or whistling is audible! Wait until the pressure has completely dissipated.
3. After the pressure has dissipated, fully unscrew the screw plug (E).
+
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 plug (E) and (+), replace the seal ring and screw it back in. Max. tight-
ening torque: 8 Nm (5.9 ft·lb)!
en
203