Question For Powermatic 701 Mortiser Owners

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Forum topic by ChuckV posted 05-06-2010 06:21 PM 1532 views 0 times favorited 2 replies Add to Favorites Watch
View ChuckV's profile


3118 posts in 3523 days

05-06-2010 06:21 PM

Topic tags/keywords: mortiser

I recently purchased this mortiser. I have a question about the pinion shaft to which the handle hub attaches. On mine, the right and left sides of the shaft are not the same. The right side has a flat spot.

I brought the mortiser to a repair center. They talked with Powermatic Technical Services and were told that this is intentional. I suppose that it could be to allow the pinion shaft to be inserted and removed. It just does not look quite right to me.

If anyone has this machine and would not mind taking a look at the right side of the pinion shaft when the handle is not attached, I would really like to know what you see.

Here is what mine looks like:

Thank you.

-- “Big man, pig man, ha ha, charade you are.” ― R. Waters

2 replies so far

View TomHintz's profile


207 posts in 3394 days

#1 posted 05-06-2010 10:27 PM

I had one of these and we did take it apart at one point. If I remember right that “flat” is a keyway that engages the gear inside the housing that makes the head go up and down. It only needs the keyway on one side as that shaft goes through only one way. The handle can go on from either side but that shaft engages the gear from that one side only.

-- Tom Hintz,

View ChuckV's profile


3118 posts in 3523 days

#2 posted 05-07-2010 12:13 AM

Thanks Tom.

That makes sense. If the keyway were a bit cleaner, I would not have questioned it. I have looked pretty carefully at how the collar holding the handle mates with the teeth on the shaft on the right side, and it seems fine.

It would have helped if the parts diagram in the user’s manual was more accurate.

-- “Big man, pig man, ha ha, charade you are.” ― R. Waters

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