Page 29
OUT OF BALANCE WEIGHT ADJUSTMENT
WARNING: Out of balance weight adjustment should only be attempted once the vibrator shaft has
stopped rotating, the power supply has been disconnected and the temperature of the body is less
than +50°C. Consideration should be given to the position and orientation of the end covers before
removal to minimise the risk of trapping, crushing and dropping of the end covers.
BLz 03-22 can be adjusted by either inner or outer weights provided both ends are the same.
BLz 24-80 When adjusting O/B weights slacken screw in INNER weight only. Adjust inner weight to required
force on percentage scale and retighten screw. Adjust opposite end to the same percentage.
Care should be taken when adjusting weights as unexpected shaft rotations can occur as clamp
screws are loosened. We recommend securing the outer weights with wedges to lock the shaft before
adjustment is attempted.
IT IS IMPORTANT THAT BOTH ENDS ARE THE SAME AND IN LINE – Clamping screws MUST always be
on the same side of the vibrator. Use a minimum, Property Class Grade 8.8 bolts, see table below for torque
settings. (Clamp screws not lubricated)
Use the above figures for out of balance
weight screws only.
Weight setting identical
at both ends of the shaft.
Label fitted in one of the
two positions above.
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