WAGNER U580.00, Translation Of The Original Operating Manual, Page: 32 / 52

32
Unica 4-270
.
OPERATING MANUAL
EDITION 04 /2007 PART NO. ZZB006ENG
6.2
MAINTENANCE
6.2.1
LUBRICATION
No lubrication is required for the pneumatic motor. An excessive lubrication may cause
system failure.
Regularly check the condition of compressed air fi lters mounted on the pneumatic motor
pilot system (parts nr. 25 in the diagram in Paragraph 8.3). Replace them if necessary.
6.2.2
WASHING AND STORING
Before stopping the pump for a period of time in which the fl uid may harden inside the
curcuit and damage the system, carry out a washing with compliant solvent. Please see
Paragraph 5.3 “Disconnection and cleaning” for the relevant procedure.
6.2.3
REGULAR CHECK OF SEALING AND TIGHTNESS
Before each usage of the pump :
1. Make sure that all fl uid conveying pipes have no wear signs o damages. Replace them
if necessary.
2. Check sealing and tightness of all threaded fi ttings. Make sure there are no leaks.
Check screws tightness at least once every two months. Please see this manual for
information about the correct tightening torques.
6.2.4
PLAN OF PREVENTIVE MAINTENANCE
Work out a plan of preventive maintenance including the above checks, basing on the
usage history of the pump. The wear of components depends on the using conditions. It
is important to replace the parts subject to wear (e.g. valve seats or membranes) in due
time, in order not to have the system damaged, which can be avoided by means of a plan
of preventive maintenance.
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