Struers LaboPress-1 Manuel D'instructions page 23

Error
The top closure cannot be
screwed down completely
The top closure cannot be
loosened.
LaboPress-1
Instruction Manual
Cause
Dirt in the threads on the top
closure and the mounting cylinder.
The disc for thermal insulation,
placed on the top of the upper ram,
has a larger diameter than the
upper ram.
The top closure has not been
turned ¼ turn back before starting
the process.
Cured resin on the cylindrical
surface of the top ram.
Dirt in the threads of the top
closure.
Action
Clean the threads.
Use only a dry lubricant powder.
Call a Struers service technician.
To release the top closure:
Move the lower ram up and down several
times.
If this does not help:
-Put heating on for 1 min.
If this does not help:
- Set the force or pressure to zero.
- Set the heating time and cooling time to
15 min.
- Complete a mounting process.
If this does not help:
- Remove the two handles on the top
closure.
- Remove the plastic cover from the top
closure (See Maintenance).
-Loosen the top closure with a fork
spanner.
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