Elmo Rietschle L-BV5 Operating instructions - Manual (Page 23)

Decommissioning the machine and shutting it down for a longer period of time
© Gardner Denver Deutschland GmbH 23 / 32 610.44440.40.000
8 Decommissioning the machine
and shutting it down for a longer
period of time
 WARNING
Improper handling of the equipment can re-
sult in serious or even fatal injuries!
Have you read the safety notes chapter 1,
"Safety", page 4 above?
If not then you are not allowed to carry out any
work on or with the equipment!
8.1 Draining down
 DANGER
Electrical hazard!
Before starting work on the unit or system, the
following precautions are to be taken:
 de-energize it.
 protect it from being switched on again.
 make sure that it is de-energized.
 earth it and bypass it.
 cover or block off adjoining parts which are
still live.
 WARNING
Hazard in case of overpressure and negative
pressure!
Hazard presented by leaking media!
Before starting work on the unit or system:
 shut off the operating-liquid supply.
 vent the piping and the unit (de-pressurize).
 WARNING
Danger of burns or scalding from hot sur-
faces on the unit and from hot media!
 Do not touch when in operation!
 After shutdown, allow system to cool down!
 WARNING
Hazard presented by combustible, caustic or
poisonous substances!
In order to protect persons and the environment:
Units that have come into contact with hazard-
ous substances must be flushed out whilst run-
ning, before opening the unit up.
 Switch off the power supply.
 Take the abovementioned precautionary
measures for safety when working on the unit
or system.
 Place suitable drain-off containers underneath
the cover.
 Open the screwed plugs in all drain tappings
(item 4, page 3).
 Allow the liquid to drain off.
 Whilst doing so turn the shaft in its normal
direction from time to time (Fig. 15, page 23).
For 2BV2 …:
- screw in an M8 bolt of sufficient length into
the shaft end on the external fan side.
- use a wrench to turn the shaft manually.
For 2BV5 …:
- remove the fan guard.
- turn the external fan by hand.
 if necessary remove the fixings from the
mounting feet and tip the unit over by 45° to-
ward the cover side.
 continue these measures until no further liquid
comes out.
 close the screwed plugs in all drain tappings
(item 4, page 3).
Tightening torques: 2 3 Nm
[1.48 ... 2.21 ft lbs].
 for 2BV2 … remove the bolt from the shaft
end on the fan side.
 For 2BV5 … refit the fan guard.
 reinstall the fixings in the mounting feet.
2BV2 ... 2BV5 ...
610.44440.99.B16
Fig. 15: Turning the shaft