4.44-1
002.514.16-EN
MAINTENANCE OF THE PUMPING LINE
OBSERVE
SAFETY MANUAL
DANGER
Risk of explosion due to tube breakage!
Pumping lines are wearing parts.
If the minimum wall strength is not met, then
there is a great risk of tube breakage.
Check the pumping line regularly using a
suitable wall-thickness measuring device.
If the minimum wall thickness is not met,
then replace tubes and elbows.
Under extreme conditions, daily checks may be
necessary.
The SCHWING customer service can mention
suitable measurement devices depending on
the pumping line material used.
The minimum permissible wall thickness is
dependent on the maximum possible concrete
pressure of the concrete pump.
During operation, the operator must monitor the
pumping line for leaks (water escaping).
Leakages lead to blockages due to the
concrete "bleeding" out. Stop operation
immediately and remedy leakage.
WARNING
If fluid leaks from the walls of a pipe or
formed part, there is a great risk of accidents
due to pipe breakage.
Stop operation immediately and release
pumping line through back siphonage!
ATTENTION
Knocking off with a hammer is not
recommended, as
- Resulting dents lead to accelerated wear,
- The hardened layer of highly-wear resistant
tubes can be damaged.
INFORMATION
According to each installation situation, the
wear and tear on the pumping lines can vary
greatly.
Check the elbows and reductions under
highest strain especially carefully.
Experience has shown that the concrete
pump outlet as well as the so-called "impact
elbows" on the last boom section (see page
4.44-5) wear more quickly than the rest of
the pumping line.
CAUTION
Injury caused by springing open of the
cocking lever!
When mounting split couplings, there is a
risk of injury from unexpected springing open
of the cocking lever.
Injuries such as bone fractures to
concussions are possible.
Secure the cocking lever of the split coupling
immediately after closing the cocking lever
with the "Safety for split couplings".
Содержание SP 1800-D
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