Question about Delta DP350 Shopmaster 1/3 Horsepower 12 Inch Bench Drill Press

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How to change belt

How to change the belt on Delta DP350 Drill Press

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Posted on Aug 04, 2009


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1 Answer

What can be used as a replacement for discontinued pulley part 904163

Take the old pulley to a shop where they sell pulleys and try to match it up. I did that with my lawn tractor and found one that worked.

Feb 18, 2015 | Delta Machinery Delta ShopMaster DP350 12"...

1 Answer

Dewalt troubleshooting

capacitor or a start centrifugal switch or the power cable or switch itself or the microswitch safetyswitch on the top cover .or control switch itself.

Feb 09, 2014 | Delta DP350 Shopmaster 1/3 Horsepower 12...

1 Answer

Power supply Delta DP350

If you go to and put your model number in the search box, you'll be able to view/download the parts brakedown and owner's manual. You can order the switch from them or find an aftermarket parts place like to get the switch.

Jun 12, 2012 | Delta Machinery Delta ShopMaster DP350 12"...

1 Answer

How do you remove the chuck from a Delta shopmaster 350 bench top drill press?

there is a "drift pin" that came with the tool, you would need to insert it into the slot and tap on it.

Sep 08, 2011 | Delta DP350 Shopmaster 1/3 Horsepower 12...

1 Answer

Delta 12" Variable Speed Drill

try cleaning the pulleys buy a good belt (gates) install belt and make sure you have good belt tension

Feb 06, 2011 | Delta Machinery Delta ShopMaster DP350 12"...

1 Answer

I need to know the price for this part No.905610 for a drill press 12inch DP 350 this part is damage along with the Motor Pulley part nos. 904166 and 904163

can you describe the part, the other part number you furnished are superseded with replacement parts and I can't find this one listed, let me know and I will try and help

Mar 07, 2010 | Delta Machinery Delta ShopMaster DP350 12"...

1 Answer

How do you ajust the high and low speed on the drill press

not sure if you have a dial on that press to adjust the speed. if it is a dial on the machine make sure you adjust it while it is running.... but it looks like it is belt driven and there will be a series of pullies under the top cover for adjusting the speed.

Mar 03, 2010 | Delta Machinery Delta ShopMaster DP350 12"...

1 Answer

Just got the dp350 can not get the chuch to stay on no matter what i do

try this, get something like brake clean or equiv. spray the inside of the chuck and also the spindle, wipe clean with a paper towel. fully retract the jaws and using a block of wood tap on the chuck to seat it on the taper. You might have to move the table out of the way but it will work. If I have helped you with your request would you please rate this response accordingly. Thank you

Nov 05, 2009 | Delta DP350 Shopmaster 1/3 Horsepower 12...

2 Answers

Problem Installing Drive Belt on Delta DP350

Be prepared for sticker shock on maintenance. The belt is not a standard "V" belt and a replacement one is $40.
I was not pleased when trying to replace the belt. Like you said, there are no instructions in the manual, and it is not a simple job. The pulleys are made from cheap casting metal and one of my pulley halves cracked and came off from one of my attempts.
The secret is to not remove the rear pulley with the spring, but the front one. Then when you go to put the belt back on, put it around the rear pulley first and pull hard on the belt so that the spring in the rear opens up and the belt comes forward. Then you can easily reseat the front pulley half with the belt in place.

Apr 28, 2009 | Delta Machinery Delta ShopMaster DP350 12"...

1 Answer

Delta drill press model DP350 went out while using it

Check for power at the on switch. The switch on this machine should be electrical so yes it could go out. If it is not the electrical type then I would check to make sure that the internal switch did not brake or go bad.

Feb 17, 2009 | Delta Machinery Delta ShopMaster DP350 12"...

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