Operating and maintenance instructions
EN
17
LI 3019.03
6.5 Spares necessary for the normal servicing
The recommended spares are shown in the list of the exploded drawing marked with
the letter “R” (see RDT). They are contained in the minor spare parts kit.
6.6 Pump overhaul
For this operation please request the proper instructions and direct any questions to
our Customer Service department. The overhaul consists of a complete disassembly,
cleaning of all components as well as replacement of parts that are subject to wear
(pump and motor bearings, vanes and gaskets).
6.7 How to order spare parts
When ordering spare parts, always state the pump model, serial number, year of produc-
tion, electric motor characteristics (manufacturer’s name, model, kW, V, Hz), position
reference on the spare parts list, description and quantity needed.
Different types of maintenance kits are available (ref. RDT attachment).
7. Lubricants
Mineral oil recommended for generic use
Use the mineral oil for compressors according to DIN 51506 group VC-VCL or VDL
classification ISO L-DAG.
Ambient temperature
Grade
PVR oil
12 - 40°C
ISO 100
Rotant VF 204
5 - 30°C
ISO 68
Rotant VF 203
Synthetic oil recommended for generic use
Use the synthetic oil for compressors according to USDA/NSF H2.
Ambient temperature
Grade
PVR oil
5 - 40°C
ISO 100
Rotant VF 304
0 - 30°C
ISO 68
Rotant VF 303
Recommended oil for application in the food industry.
Use the synthetic oil compatible for chance contact with food according to USDA H1.
Ambient temperature
Grade
PVR oil
5 - 40°C
ISO 100
Rotant VF 404 H1
0 - 30°C
ISO 68
Rotant VF 403 H1
For ambient temperature outside the stated range, please get in touch with our Custo-
mer Service Department.