Wilo -EMU TR 50-2 Serie Notice De Montage Et De Mise En Service page 321

9.5.7.1 Oil change: sealing, gear and pre-
chamber
9.5.8 General overhaul
Installation and operating instructions Wilo-EMU TR/TRE 50-2 ... 120-1
Maintenance and repair
Fig. 12: Oil change
1 Pre-chamber filler hole
2 Gear chamber filler hole
3 Sealing chamber filler hole
4 Pre-chamber drain hole
5 Gear chamber drain hole
6 Sealing chamber drain hole
‡
Mixer is not installed.
‡
Mixer is not connected to the mains.
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Wear protective equipment!
1. Position the mixer horizontally on a firm surface.
WARNING! Risk of hands being crushed. Make sure the mixer cannot fall over or
slip out of position!
CAUTION! Do not place the mixer on the propeller! Always place the mixer on a
platform.
2. Position a suitable tank to collect the operating fluid.
3. Unscrew the screw plug of the filler hole:
1 = pre-chamber
2 = gear chamber
3 = sealing chamber
4. Unscrew the drain hole screw plug and drain operating fluid:
4 = pre-chamber
5 = gear chamber
6 = sealing chamber
5. Check the operating fluid: Notify customer service if the operating fluid contains
metal swarf!
6. Dispose of operating fluid in accordance with local regulations!
7. Clean the drain hole screw plug, replace the seal ring and screw it back in. Max.
tightening torque: 8 Nm (5.9 ft·lb)!
8. Pour the operating fluid through the filler hole.
⇒ Comply with the specifications for the operating fluid type and quantity!
9. Clean the filler hole screw plug, replace the seal ring and screw it back in. Max.
tightening torque: 8 Nm (5.9 ft·lb)!
10.Restore corrosion protection: Seal screw plug, e.g. with Sikaflex.
The following components are checked for wear and damage as part of general main-
tenance:
▪ Motor bearings
▪ Gear bearing and planetary gear speed
▪ Propeller
2
1
3
6
5
en
4
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