18
LI 4431.00 (IT-EN)
Operating and maintenance instructions
EN
6.6 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.
6.7 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).
6.8 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
Oil recommended for generic use
Mineral oil for compressors according to DIN 51506 group VC-VCL or VDL classifica-
tion ISO L-DAG.
Ambient temperature
Viscosity
PVR oil
12 - 40°C
ISO 100
LPM1 100
5 - 30°C
ISO 68
LPM1 68
Oil recommended for heavy duty, both for high and low temperatures.
Synthetic oil on PAO basis (polyalphaolefins).
Ambient temperature
Viscosity
PVR oil
5 - 40°C
ISO 100
LPS3 100
0 - 30°C
ISO 68
LPS5 68
Oil recommended for application in the food industry.
Synthetic oil lubricant compatible for chance contact with food complying with NSF
H1 specifications.
Ambient temperature
Viscosity
PVR oil
5 - 40°C
ISO 100
LPA1 100 NSF H1
0 - 30°C
ISO 68
LPA1 68 NSF H1
For ambient temperature outside the stated range, please get in touch with our Custo-
mer Service Department.