Laserfiche WebLink
s <br /> MAINTENANCE <br /> The OPV has no periodic maintenance requirements, but if you remove the drop tube and OPV <br /> assembly from the tank, inspect the drop tube seal for wear or damage. Replace it if necessary. <br /> Drop tube gasket <br /> (note orientation) <br /> f <br /> Also, if you remove the upper or lower drop tube from the OPV, you should replace the 0-ring(s). <br /> Inspect O-ring <br /> h <br /> O <br /> Inspect O-ring <br /> M <br />