Introduction
The reciprocating motion of the saw blade is created by a crank on the motor which is connected to the drive arm with a connecting rod.
With usage, the bearings that form the joints of the connecting rod wear out and need to be replaced.
-
-
Take out the saw blade.
-
Turn the scroll saw on its side.
-
Remove the 2 screws that attach the cover to the back.
-
Remove the front screw that attaches the cover to the front.
-
-
-
Turn loose and remove the bolts with the 4mm Allen key.
-
Take care to not misplace the ring in the top joint.
-
Remove the linkage rod from the drive arm. The spacer on the backside of the top joint will fall out at this point.
-
-
-
Flip the linkage rod and use a screwdriver to push out the bearings.
-
Insert new bearings and push them in fully by hand.
-
-
-
Add some grease to the top joint spacer and stick it to the top joint bearing.
-
Slide the linkage back into the drive arm and put the ring back.
-
Return the bolts and fasten them. Turn the crank by hand to ensure the mechanism is working smoothly.
-
Put the saw blade and the side cover back on to reassemble the saw fully.
