Wilo -Flumen OPTI-TR 22 Instrucciones De Instalación Y Funcionamiento página 38

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9.5.8.2 Oil change in seal housing
(TR 30-1/40-1, TRE 30/40)
Fig. 12: Oil change
9.5.9 General overhaul
38
Maintenance and repair
be damaged. Change the oil and check again four weeks later. If the oil contains
water again, contact customer service!
⇒ Metal chips in the operating fluid: Contact the customer service!
7. Return the mixer to a position so that the opening points upwards.
8. Pour the new operating fluid in through the hole for the screw plug (+/-).
⇒ Comply with the specifications for the operating fluid type and quantity!
9. Clean the screw plug (+/-), replace the seal ring and screw it back in. Max. tightening
torque: 8 Nm (5.9 ft·lb)!
10.Reapply corrosion protection: Seal screw plug, e.g. with Sikaflex.
+ Fill oil in the seal housing
- Drain oil in the seal housing
‡
Protective equipment used!
+ ‡
Mixer has been removed, cleaned, and disinfected.
1. Place mixer on a firm work surface in a horizontal position.
CAUTION! Material damage! Do not set the mixer down on the propeller! Use an ap-
propriate pedestal for the propeller diameter.
2. Secure the mixer against falling over and slipping!
3. Position a suitable tank to collect the operating fluid.
4. Unscrew the screw plug (+).
5. Unscrew the screw plug (-) and drain the operating fluid.
-
NOTICE! Flush the sealing chamber to drain it completely.
6. Check the operating fluid:
⇒ Operating fluid clear: Operating fluid can be reused.
⇒ Operating fluid contaminated (black): fill with new operating fluid.
⇒ Operating fluid milky/cloudy: Water in oil. Minor leakage through the mechanical
seal is normal. If the ratio of oil to water is less than 2:1, the mechanical seal may
be damaged. Change the oil and check again four weeks later. If the oil contains
water again, contact customer service!
⇒ Metal chips in the operating fluid: Contact the customer service!
7. Clean the screw plug (-), replace the seal ring, and screw it back in. Max. torque: 8 Nm
(5.9 ft·lb)!
8. Pour operating fluid in through the hole for the screw plug (+).
⇒ Comply with the specifications for the operating fluid type and quantity!
9. Clean the screw plug (+), replace the seal ring, and screw it back in. Max. torque: 8 Nm
(5.9 ft·lb)!
10.Reapply corrosion protection: Seal screw plug, e.g. with Sikaflex.
The following components are checked for wear and damage as part of general mainte-
nance:
ƒ
Motor bearing
ƒ
Gear bearing and planetary gear speed
ƒ
Propeller
ƒ
Shaft seals
ƒ
O-rings
ƒ
Connection cable
ƒ
Attached accessories
Damaged components are replaced with original parts. This will ensure correct operation.
The general overhaul is performed by the manufacturer or an authorized service center.
WILO SE 2021-10