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Does a corded ryobi hammer drill have a fuse?

Posted by Keith Bourke on


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No, Ryobi Corded Hammer Drills do not have fuses. To verify enter your model number on the Model Tab at the below listed Link and chose Wiring Diagram from the Pop-up which comes up after clicking on the found model(s) Then Click on the GO TO POWER TOOLS PARTS STORE Button

Posted on Jan 22, 2018


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SOURCE: hammer drills and rotary hammers comparison

Basically yes. Lower power units are usually titled as "hammer drills." Higher power units, usually labeled "rotary hammers," tend to be larger and provide bigger impact forces. But there are a few differences that are worth knowing: The rotary hammer usually have a chisel only feature, for light chiseling and masonry removal. Rotary hammers also have specially designed chucks that only accept bits specifically designed to fit their chuck. The special chuck on a rotary hammer helps hold the drill bit and prevents it from slipping during use.

Posted on Aug 27, 2008


Corey McConnell

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SOURCE: Bosch 11247 Hammer drill works

Usually replacing the o-rings on the piston, striker and Impact bolt will solve any hammering issues. That is considering there is no damage to the mechanical parts in the hammer mechanism.

Posted on Apr 13, 2009


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SOURCE: I have an AEG hammer drill that no longer hammers.

service manuals AEG SB2E-1001

Posted on Feb 26, 2010


David Ford

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SOURCE: my hammer drill won't hammer.

when was the last time serviced?? If not recently then you would need to replace the o rings and look for other sticking/worn parts. Give me the exact model number and I will try and find you a breakdown and a rebuild kit. They are not that bad if you are handy with tools and take your time. Let me know

Posted on Mar 21, 2010


  • 14 Answers

SOURCE: hammer action power there but weak

Bosch makes a special grease that is actually a mulit-viscosity oil thats a gel at room temp. At high temp it becomes liquid oil that lubes the gearcase and when the tool has cooled off it reverts back to a gel for containment purposes. If you use any other type of grease on these tools it will appear as if it is losing power, when it is actually being "bogged" down by conventional grease. The proper grease is Bosch part# 1 615 430 001-000. Retail price should be around $20 for a 225ml tube.

Posted on Mar 01, 2011

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CJ Sinclairs 01843 869400

Nov 09, 2013 | Rotary Ryobi 1/2" Hammer Drill ZRD551HK

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Ryobi hammer drill cuts out

This is usually indicative of a broken wire in the cord near the handle. Plug the tool in, hold the trigger on and pull the cord in different directions near the handle. If it cuts off & on, one or more of the wires in the cord are broken and it should be replaced.

Jul 18, 2012 | Drills

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Hi. i have ryobi a 3 speed hammer drill that won't run but attempts to start


it sounds like a damaged switch. It is best to have it checked and replaced if it is broken. It´s better to do before it starts running and wont come off :D

Oct 15, 2009 | Rotary Ryobi 1/2" Hammer Drill ZRD551HK

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I have a ryobi d551H hammer drill and I can't get it to work in only hammer mode....what am I doing wrong...I don't have an instruction manual

The spindle still spins, even in hammer mode. This model will jump out of hammer mode, sometimes you will have to duct tape it in position hammer.

Aug 29, 2009 | Rotary Ryobi 1/2" Hammer Drill ZRD551HK

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Drill quit working

what you are missing is a dewalt hammer drill.

Apr 25, 2009 | Rotary Ryobi 1/2" Hammer Drill ZRD551HK

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As per the Ryobi web Site, there is unfortunatly no repair centers in Dallas. Go to if you go to the Ryobi website look under "support". They list a bunch of centers for Texas.

Apr 23, 2009 | Rotary Ryobi 1/2" Hammer Drill ZRD551HK

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RYOBI hammer drill model D551H dosn't start.

The problem could be somthing as simple as the cord, or the switch, or it could be that the motor has failed. There is no way to know unless you test the internals of the unit. If you are not familiar with that procedure I would take the unit to a service facility.

Apr 07, 2009 | Rotary Ryobi 1/2" Hammer Drill ZRD551HK

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