Putzmeister 210109379, Operating Instructions Manual

Page: 75 / 434

Safetyregulations
249
BP03_076_1601EN
− The wash − out adaptor must be fitted with a separate, large dump
cock and a pressure gauge.
− The pressure gauge must be kept under constant observation dur
ing the cleaning process. The pressure in the delivery line must be
rapidly dumped via the dump cock in the event of a sudden drop
in pressure (concrete column exiting from the end of the line) or
increase in pressure (risk of blockage).
− The sponge ball or the plug used to push the concrete out must
be sufficiently dense that the air does not pass through it into the
concrete. In addition, the delivery line must be sealed to the rear
when the sponge ball or plug is caught in the catch basket.
− Only work on the delivery line (particularly when opening the deliv
ery line) if it has been depressurized. Make sure that the com
pressed air has been dumped completely.
− The dump cock must be opened in such a way that no − one can
be injured by concrete residue that might be expelled from the
dump cock.
Water spraying on the machine from random directions has no dam
aging effect. The electrical system is protected against spray water,
but is not waterproof.
You must close/seal all openings into which water/steam/cleaning
agent must not penetrate for safety or functional reasons before
cleaning the machine with water or a steam jet (high
− pressure
cleaner) or other cleaning agents. Electric motors and control cabi
nets are particularly at risk.
After the machine is cleaned, the covers/tapes must be completely
removed and the machine must be checked to ensure that it is ready
for operation (see also page220).
Look out for leaks, loose connections, chafe marks and damage dur
ing the cleaning procedure. Any identified defects must be rectified
immediately. The machine must be greased after it has been
cleaned using a high
− pressure cleaner.
2.15.4 Protection against
water
2.15.5 Post–cleaning pro-
cedure