7 Servicing/Maintenance
43 of 60
Multi Eco
CAUTION
Improper reassembly
Damage to the pump!
▷
Reassemble the pump (set) in accordance with the general rules of sound
engineering practice.
▷
Use original spare parts only.
Sequence
Always reassemble the pump in accordance with the corresponding general assembly
drawing or exploded view.
Sealing elements
Always use new O-rings and circlips.
Never use O-rings that have been glued together from material sold by the metre.
Always use new gaskets, making sure that they have the same thickness as the old
ones.
Always fit gaskets of asbestos-free materials or graphite without using lubricants
(e.g. copper grease, graphite paste).
Assembly adhesives
Avoid the use of assembly adhesives, if possible.
Match the lubricants to the fluid handled (e.g. water for foodstuff applications).
Tightening torques
Tighten all screws and bolts as specified in this manual.
Nut tightening torque: 10 Nm
7.4.7 Fitting the rolling element bearings and the mechanical seal
ü
Never use oil when fitting the rolling element bearings and the mechanical seal!
1.
Clean the parts carefully prior to reassembly.
2.
Fit new circlips 932.01 and 932.02 on the rotor.
