GEISMAR BRV Operation & Maintenance Instructions Manual page 39

Only one person is needed to carry out the adjustments.
– Tighten the springs using the M12 locknuts (framed in red). It is essential to comply with the
dimension of 67 mm.
– Replace the spring holder stops after setting. Gently loosen the M6 screws (framed in red) so
as to move the stops (red arrow). These must come lightly into contact with the pin when a
pressure of 100 bar is applied to the cylinder (note: the stops may be turned round if needed).
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Page 39