Question about Dremel 300-N/55 300 Series Tool Kit

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How do you change out sanding drum (on mandrel) when sanding drum is worn down?

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Loosen the screw on the top of the mandrel. pull drum off rubber insert. the mandrel works by expanding and creating pressure on the sanding drum when screw is tightened. it does take a little pressure

Posted on Jun 21, 2009

  • happykat826 Oct 16, 2010

    I cannot get my screw to release the pressure.. just how hard is it to pull the sanding drum off? should I leave it in the collet and use pliers?

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I have a 15.5 hp Craftsman Riding Mower with a 42" deck, the mower now leaves a 3inch strip between the blades and I blade cuts the grass lower on one side (scalping)


As for the stripe, you will need to change the blades, they are worn out, if not damaged outright. As for the cutting the grass lower on one side, since you are changing the blades, remove the deck and inspect the spindle/mandrel on the troublesome side paying close attention to the ears that the bolts that mount it go into, you may well find that one of them is cracked. If so, replace it. The spindle/mandrel cost a little over $60.

I hope this helps you out.

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1 Answer

Is it posible to get ink stain off dryer drum


Hello,

Sorry they way to remove a ink stain from the drum (becuase of the heat it's "baked on) is to sand the drum down which will leave raw metal causing the drum to rust
It could be sanded down and repainted but you would need to go to the auto parts store and get some paint for engines since its desiged for high heat

Good luck

Gene

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1 Answer

Is there a easy way to take off and put on the sanding drums on the mandrel....tia...Robert


unplug tool and while holding the spindle lock loosen the screw in the center of the rubber barrel to reduce the diameter and this make instal/removal easy. don't forget to retighten before using.

Jun 18, 2011 | Dremel 300-N/55 300 Series Tool Kit

1 Answer

How do I change the madrel on a craftsman Lt 2000 42" 17 hp? The star bolt is worn down


remove the deck from the mower, take off the blade, take off the deck drive belt, take out the bolts which hold the mandrel to the deck. put new mandrel in, reverse the whole order. do yourself a favor and take lots of before pictures so you do not have to ask how to put the belts back on. mandrels can be obtained at small engine and mower repair shops. you may just want to replace all of them while you have it apart as they are all the same age and wear.

Mar 17, 2011 | Craftsman 20 hp 42 in. Deck Lawn Tractor -...

1 Answer

Changed pads and rotors on my 2002 blazer but the truck still has somewhat of a grinding noise in the brake area at at times brakes are slow to take hold .Thank u in advance


THE BRAKE ROTORS AND BRAKE DRUMS IS GLAZED NEED EITHER RESURFACED IT NOT WORN DOWN FAR. OR REPLACED.SOMETIMES YOU CAN USE ROUGH GRIT SAND PAPER TO REMOVE GLAZE FOR A WHILE BUT STILL GOING HAVE TO RESURFACE OR REPLACE IN THE LONG RUN.

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2 Answers

Back brake drums grinding


Take tires off then inspect rear brake shoes if okay and not down to the metal service the drums with sand paper and put them back on you might have to replace the drums and shoes!

Dec 24, 2009 | 1993 Ford Escort 4 Door

1 Answer

Broke small phillips screw head off the end of dremel


possible if you have a drill bit smaller than the screw and you can try drilling in reverse. Might be better just to replace the mandrel though.

Sep 12, 2009 | Dremel Tools & Hardware - Others

1 Answer

Motor runs but the drive drum that hold the sanding belt does not turn.


Instead of removing the drum, remove the belt and the cover over the gearbox. The gearbox cover is normaly fixed in place by screws around the drive pulley. There may be a couple of screws under the pulley, if so they can be accessed via holes in the pulley wheel itself. Check for worn or stripped gears. These gears can be replaced if need be, but if this is the case make sure you remove and clean out all the grease first and replace that aswell as it may contain bits of teeth that have come off the faulty gear. As far as I know belt sander drive rollers can not be removed without removing the drive inside the gearbox first.

Oct 27, 2008 | Dewalt Factory-Reconditioned DeWalt DW432R...

1 Answer

Silly problem with sanding band


Make sure to loosen the screw on the end of the mandrel. After removing the old sanding drum, gently roll the black rubber between your fingers to compress it slightly. The new sanding drum should slide right on and then tighten the screw.

MM85

Jul 22, 2008 | Electrical Supplies

2 Answers

1998 infiniti QX4 break squeeling


The squeal is usually the tell tales that make a noise when the front or rear disk pads are worn to where they need replacing. However, with drum brakes, that is an indication of totally worn out shoes, or a broken part. STOP driving the car, go to a mechanic (or friend) and have them checked.

May 18, 2008 | 2004 Infiniti QX4

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