Wilo T 17 E3 Series - Maintenance Measures

en Maintenance and repair
42 WILO SE 2019-01
pump and the installation must be checked regardless of the defined maintenance in-
tervals.
9.5.1 Maintenance intervals for normal
conditions
8000operating hours or after 2years at the latest
Visual inspection of the con- nection cable Visual inspection of accessor- ies Visual inspection of the coating and housing for wear Function test of monitoring devices Sealing chamber oil change* Draining the leakage chamber Grease lower roller bearings Grease upper roller bearings Drain condensation water
T12
• • • • • − − − −
T13
• • • • • − − − −
T17
• • • • • − − − −
T17.2
• • • • • − − − −
T 20
• • • • • − − − −
T 20.1
• • • • • • − − −
T24
• • • • • − − − •
T30
• • • • • − − − •
T34
• • • • • − − − •
T42
• • • • • − − − •
T49
• • • • • − − − •
T 50.1
• • • • • • • − •
T56
• • • • • − − − •
T57
• • • • • • • − •
T 63.1
• • • • • • • − •
T 63.2
• • • • • • • − •
T 72
• • • • • • • • •
• = Carry out maintenance measures, − = do not carry out maintenance measures
*NOTICE!If a sealing chamber control is installed, the oil is changed according to the
indicator!
15000operating hours or after 10years at the latest
ƒ General overhaul
9.5.2 Maintenance intervals for harsh
conditions
Under harsh operating conditions, specified maintenance intervals must be shortened if
required. Harsh operating conditions include:
ƒ Fluids with long-fibre components
ƒ Turbulent inlet (e.g. due to air intake, cavitation)
ƒ Strongly corroding or abrasive fluids
ƒ Heavily gas generating fluids
ƒ Operation at an unfavourable duty point
ƒ Pressure surges
When using pumps under hard conditions, it is recommended to sign a maintenance
contract. Contact customer service.
9.6 Maintenance measures
WARNING
Sharp edges on the impeller and suction port!
Sharp edges can form on the impeller and suction port. There is danger of limbs be-
ing severed! Protective gloves must be worn to protect from cuts.