3. Remove the battery case lid to remove the batteries and then loosen
the 3 screws to open the handle. (Refer to Photo 2.)
4. Remove the joint and silicon tube from the pump. (Refer to Photo 3.)
5. Remove the filters from the silicon tube and the joint and remove dirt
and dust with an air blower, etc..
In addition, clean the inside of the joint and silicon tube.
•
If cracks, breaks, etc. are observed in the joint or silicon tube: Replace the joint and
silicon tube with new ones.
HAKKO 394 Replacement Parts
6. Replace the cleaned filters into the joint and silicon tube.
Insert the filters so that they are positioned in the centers of the joint and silicon tube.
(Refer to Photos 6, 7 and 8.)
When inserting the filter into the joint and silicon tube, be careful not to crush the filter.
(Refer to Photos 7 and 8.)