Oil Types; Filling Quantities; Maintenance Intervals; Maintenance Intervals For Normal Conditions - Wilo HC 20.1 + EMU FA Serie Manual De Instrucciones

9.3.2

Oil types

9.3.3 Grease
9.3.4

Filling quantities

9.4

Maintenance intervals

9.4.1 Maintenance intervals for normal
conditions
9.4.2 Maintenance intervals for harsh
conditions
Installation and operating instructions Wilo Motor HC 20.1 + EMU FA, Rexa SUPRA, Rexa SOLID
Maintenance and repair
Concentrate Fragol Zitrec FC
1.051 g/ml
Density
(8.771 lb/US.liq.gal.)
164 °C (327 °F)
Boiling point
9.9
pH value
max. 5 %
Water
•
Nitrite-free
•
Amine-free
•
Phosphate-free
•
Silicate-free
Approvals
Water-polluting 1
1)
class
•
FDA
•
HT1
•
Afssa
1)
in accordance with VwVwS 1999. When disposing of these media, comply with the
corresponding local guidelines for propanediol and propylene glycol!
2)
Suitable for medical applications
Medicinal white oil is filled into the sealing chamber ex-factory. The following oil types
are recommended when changing the oil:
▪ Aral Autin PL*
▪ Shell ONDINA 919
▪ Esso MARCOL 52* or 82*
▪ BP WHITEMORE WOM 14*
▪ Texaco Pharmaceutical 30* or 40*
All oil types marked with "*" are approved for use with foods in accordance with
"USDA-H1".
Use the following greases:
▪ Esso Unirex N3
▪ Tripol Molub-Alloy-Food Proof 823 FM (with "USDA-H1" approval)
Refer to the supplied configuration for the filling quantities.
To ensure reliable operation, maintenance tasks must be carried out regularly. Depend-
ing on the real ambient temperatures, maintenance intervals different from those men-
tioned in the contract can be defined! If strong vibrations occur during operation, the
pump and the installation must be checked regardless of the defined maintenance in-
tervals.
8000 operating hours or after 2 years at the latest
▪ Visual inspection of the connection cable
▪ Visual inspection of accessories
▪ Visual inspection of the coating and housing for wear
▪ Function test of monitoring devices
▪ Draining the leakage chamber
▪ Coolant change
▪ Sealing chamber oil change
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
▪ General overhaul
Under harsh operating conditions, specified maintenance intervals must be shortened if
required. Harsh operating conditions include:
Pekasol L Propylene glycol
1.050 g/cm³ 1.051 g/ml
(8.762 lb/US.liq.gal.) (8.771 lb/US.liq.gal.)
185 °C (365 °F) 188 °C (370 °F)
7.5 – 9.5 -
- 0.20 %
• •
• •
• •
• •
1 1
- -
- -
- -
en
2)
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