Model #31511420 CRAFTSMAN Drill-Misc Craftsman

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Question and Answers

Q:

Craftsman 3/8" electric corded drill Model: 315.11420 315.11420

A:

Thanks for the inquiry and for being a valued member.

The manufacturer of this drill (Ryobi) didn't intend for the drill to be taken apart or serviced internally. The exploded view on Sears Parts is very basic with only a few of the external parts being broken down. The owner's manual would have also been very limited for such a drill, probably just an instruction sheet and not very in-depth. 

Because the drill was not meant for internal servicing, we do not have an exploded view of the internals, and we do not have anything similar enough to provide to you. 

We apologize for the inconvenience and thanks for using SearsPartsDirect.com. We appreciate your business. 

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Jeff Wallace Sr -
Sears Technician
November 30, 2014
A:

Well, Josh. This drill was made by Craftsman, not Ryobi. The drill has 7 nuts & bolts, which I removed just fine. It's also a double insulated drill, plastic case with all metal internal parts, except for the pull trigger. So, I will pack the gears with new grease, and re-assemble it with care. As a 25 year engineer & electronics technician, I'm sure I can figure it out. Just wanted to have a little backup. Thanks anyway.

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Royal -
December 01, 2014
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Q:

I have a very old Craftsman Drill model # 315.11420. On top it has a hole with a sticker that is half missing but I can read the word Spindle,is this to add oil

A:

I can understand your concern over what type of oil your drill needs. While you are waiting for your expert answer, I did some research on the unit. At this time, I was unable to locate information that would be helpful in regards to your question. Some of these questions that are asked will need specific research and will be answered by an expert with-in two business days but usually sooner.

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Julio -
May 30, 2013
A:

ok thanks but my questing is not the type of oil but if the hole is for oil or possibly some other use.

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Bill -
May 30, 2013
A:

Thank you for your question. I will be happy to assist you with the drill. I looked up the model number you submitted. Due to the age of the unit, we have limited information. I suspect the hole is just a hole in the case. The best I can tell the drill has sealed bearings. These bearings do not require any lubrication. That metal part on the cord could be the chuck key. The key is used to tighten and loosen the chuck. I posted an image below that shows what the key look like. If it looks different from the image, I am not sure what it is. If you could add an image of the part, I may be able to tell you what it is.   Thank you for using Manage my life. Mark T.

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Mark T -
Sears Technician
June 03, 2013
A:

I don't know for sure, but it looks to me like that may be a type of spindle lock to keep the chuck from rotating when tightening/loosening with the chuck key, or possibly to facilitate chuck removal. The metal bar on the cord - does it look like it would fit in that hole?

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MukYJ -
June 03, 2013
A:

Yes it the straight metal piece fits in the hole perfectly.Now to find out what exactly its for.ALSO wondering if this drill is reversible.

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Bill -
June 03, 2013
A:

Thanks for e1s input

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Bill -
June 03, 2013
A:

Bill, I am sorry; I did not see the image you posted. I agree with Garth. I believe the metal pin on the cord is the spindle lock. To verify this, insert the pin and rotate the chuck by hand. If the pin drops into a hole in the spindle and keeps it from turning it is a spindle lock. The spindle lock keeps the spindle from turning when removing the chuck. The best I can tell this model is not reversible. Look above the trigger for a switch that moves side to side. If you do not see one it is not reversible. I hope this is helpful. Please let me know if you need further assistance. Thank you for using Manage my life. Mark T.

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Mark T -
Sears Technician
June 05, 2013
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