page 27
Société des Anciens Établissements L.GEISMAR
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Chapter 6 – Maintenance tensioner
6 – 1
General maintenance instructions
Before starting operations, the parts which will be in contact with the machine must be
cleaned carefully as well as the neighbouring zones, to prevent impurities from getting into the
machine's mechanisms.
6 – 1 – 1
Rules to be followed
– Draw up an inspection schedule and record all maintenance operations;
– Replace any suspicious or worn parts;
– Never neutralise the prevention or limiting equipment;
– Never use the machine as an "earth" for welding operations.
To take care to maintain this equipment in good state, it conditions the safety of
the users.
6 – 2
Controls
6 – 2 – 1
Flexible hoses
– Check tightness and connection tightening;
– If any flexible hose has been damaged in any way, it must be replaced by a new one.
6 – 2 – 2
Stirrups
– To check bores of : clevises, tenons and eccentrics (ovalization defect);
– To check the pins (deformation defect);
– To check the Stirrup (search for cracks, deformation).
M
EASURE
OF
OVALIZATION
DEFECT
When the difference between 2 dimensions
measured (A and B) at 90° in the same bore exceeds 0.5
mm, it is essential to replace the part having this ovalization
defect.
Pic. 1
Measurement A
Measurement B
