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T 30, T 34, T 42
+
-
Fig. 16: Sealing chamber: Oil change
9.6.6
Drain the leakage chamber
50
Maintenance and repair
Motors T 30, T 34, T 42, T 49, T 50.1, T 56, T 57, T 63.x, T 72
T 49, T 56
+
-
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Add the oil to the sealing chamber
-
Drain the oil in the sealing chamber
‡
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 (+).
5. Unscrew screw plug (-) and allow the operating fluid to drain out. If a shut-off ball cock
is installed on the outlet opening, open the shut-off ball cock.
6. Check operating fluid: If there are metal filings in the operating fluid, inform customer
service!
7. If a shut-off ball cock is installed on the outlet opening, close the shut-off ball cock.
8. Clean the screw plug (-), replace the seal ring and screw it back in. Max. tightening
torque: 8 Nm (5.9 ft·lb)!
9. Pour the new operating fluid in through the hole of the screw plug (+).
⇒ Adhere to the information for operating fluid type and quantity!
10.Clean the screw plug (+), replace the seal ring and screw it back in. Max. tightening
torque: 8 Nm (5.9 ft·lb)!
T 50.1, T 57, T 63.1
-
T 63.2, T 72
+
-
WILO SE 2019-01
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