Replacing clip assembly on Hafco 16/32 drum sander

**rogerwilco** · 7th February 2022, 03:21 PM

Silly me, I've knackered one of the clips on the drum that holds the paper. The on the RHS (drive side). I've spoken to H&F, and that part is replaceable.
KG004 - #2~5 CLIP ASSY R/H | Hare & Forbes Machineryhouse

It's hard to tell from the parts list diagram, but H&F reckon it's the same part no (KG004) for both clips. I think the LHS clip is fixed with a screw that is countersunk through the top of the drum (see pic 1), and the RHS has a screw fixed inside the drum. I think I've actually broken the housing inside the roller where the clip is fastened (see pic 2). That's a bigger deal. The roller assembly is much more expensive to replace.

IMG_0717.jpeg
IMG_0720.jpg

I tried a dodgy temporary fix, by hot gluing the abrasive directly to the roller. That sort of worked for a moment, but it's not a good enough permanent solution.
Anybody know a straight forward way around this?

Cheers, -Jonny

**Brett57** · 1st May 2022, 10:00 AM

Hi Jonny we had this issue at the school I taught in.
the original clip system is less than satisfactory in my mind.
we continually had the abrasive let go and destroyed many abrasive rolls.
What I ended up doing was at the very edge of the drum was to tape around the drum about 50 mm wide. That seemed to work well and you never use that last 50 mm. anyway.

**Cal** · 1st May 2022, 10:20 AM

I’m not sure how to fix your broken clip but I think that the right hand clip is designed wrong to begin with. It should be designed like the left hand side and as the paper goes through the clip, it folds back on itself. I also have constant issues of the paper wanting to release itself on the right side of the drum. I have the carbatec model and mentioned it to them after I purchased it. It’s a bad design. Good luck with your repairs!

**rogerwilco** · 6th May 2022, 01:08 AM

Originally Posted by Brett57

Hi Jonny we had this issue at the school I taught in.
the original clip system is less than satisfactory in my mind.
we continually had the abrasive let go and destroyed many abrasive rolls.
What I ended up doing was at the very edge of the drum was to tape around the drum about 50 mm wide. That seemed to work well and you never use that last 50 mm. anyway.

Brilliant, thanks for getting back to me!
So, you just pull the end to get the tension you want, then tape around the drum a few times, sticking the tape to itself? What sort of tape, gaffer?

Do you ever feel like you want/need to adjust the tension when it's taped?

I'd like to give this a go!

**rogerwilco** · 6th May 2022, 01:11 AM

Originally Posted by Cal

I’m not sure how to fix your broken clip but I think that the right hand clip is designed wrong to begin with. It should be designed like the left hand side and as the paper goes through the clip, it folds back on itself. I also have constant issues of the paper wanting to release itself on the right side of the drum. I have the carbatec model and mentioned it to them after I purchased it. It’s a bad design. Good luck with your repairs!

Yes, totally agree. Functionally, the design is not ideal. Hopefully taping up does the trick.
Despite my initial skepticism about hot melt glue, that's actually been a pretty good fix. It seems pretty robust, and it's easy to peel off when it's time to replace the abrasive.

**aldav** · 6th May 2022, 09:46 AM

I'll be watching this.

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