Elmo Rietschle L-BL2 - Manual (Page 27)

Servicing
© Gardner Denver Deutschland GmbH 27 / 36 610.44444.40.000
Contamination/Problem Remedy
Water consumption
increases considerably after
an extended period of
operation. Clean cooling fins of water cooler.
To do so, proceed as follows:
 Carry out protective measures for the use of compressed air:
– wear personal protective equipment (protective gloves and safety
goggles),
– secure surrounding area.
 blow compressed air through cooling fins of water cooler (Item 027).
Replace water filter (Item 095) and air filter (Item 096).
Ambient air is highly
contaminated. Clean cooling fins of water cooler (Item 027) regularly.
See "Water consumption increases considerably after an extended period of
operation".
Dirt particles (e.g. dust) enter
system with pumped
gases/vapours and collect in
separator. Clean separator.
Clean separator (Item 001) regularly (interval is dependent on concentration
of dirt particles in pumped gases/vapours):
 Shut down system.
 Drain system as described in Chapter 8.1, "Draining", Pg. 23.
 Purge separator with clean water.
 When using cleaning agents, you must consult Service Department.
 If appropriate, Replace water filter (Item 095) and air filter (Item 096).
OR
 Connect inlet filter (see Chapter 5.5, "Accessories", Pg. 19) upstream on
inlet side of system.
 If appropriate, Replace water filter (Item 095) and air filter (Item 096).
Fine-grain dirt (e.g. sand)
enters installed unit with
operating liquid or pumped
gases/vapours. Clean installed unit.
Clean installed unit (Item D) at regular intervals. (Intervals are dependent on
degree of soiling, approx. 1x per year.)
To do so, proceed as follows:
 Shut down system and secure against being switched on again.
 Remove cover plate (Item 064) and protective grille (Item 058).
 Have a catch container ready under the system.
 Open drain hole G¼ (Item E) of installed unit. Then operating liquid flows
out. It is discharged downward via the opening in the bottom of the
separator.
 WARNING: Danger from rotating external fan of installed unit! To ensure
safety, remount the cover plate (Item 064) and protective grille (Item 058)
on the separator!
 Briefly switch on system. Dirt will be flushed out of installed unit along
with operating liquid and will be discharged downward through opening in
bottom of separator.
 Shut down system again, secure and open as described above.
 Close drain hole G¼ (Item E) of installed unit again.
 Completely reassemble system.