Porter Cable 7424XP

If you do NOT put a screw and a washer in the hole the black cap cover will slide right off!!!
It will slide right off the front. You will have a black cap in one hand & a machine in the other.
Although this could be interesting and exciting while you are polishing...it is not a good thing.

(Don't ask me how I know)

Even the GG 6" has the same requirement. It has a U shaped handle with a bolt on each side.
I remove both bolts and discard the handle. Then I replace both screws into the machine head.
 
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