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DeWALT Hammer Drill Parts
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 DeWALT DC988V Type 1 18V Cordless Hammer Drill Parts


End Cap
Part Number: 620747-00
In Stock, 19 Available
Price:  $5.40
Bit Clip
Part Number: 148354-03
In Stock, 15 Available
Price:  $2.99
Screwdriver Bit
Note: P#2/S#8
Part Number: 607918-41
In Stock, 7 Available
Price:  $2.99
Nameplate
Note: DC988 TYPE 1
Part Number: 645166-00
In Stock, 18 Available
Price:  $3.99
VSR Switch
Note: Incl. Item 6,20,21
Part Number: 152274-22
In Stock, 2 Available
Price:  $77.83
Motor and Pinion
Note: Incl. 22 - Includes Figure 22
Part Number: 396505-22SV
In Stock, 25+ Available
Price:  $58.90
Torx Screw
Note: M3 X 16mm T10
Part Number: 682211-00
In Stock, 25+ Available
Price:  $1.99
Keyless Chuck
Note: Jacobs 4000 Non-Carb
Part Number: N196034
In Stock, 25+ Available
Price:  $31.75
Dewalt Logo Label
Part Number: 395657-00
In Stock, 25+ Available
Price:  $3.99
Gear Case Assembly
Note: Incl. 18, 28 - Includes Figures 18, 28
Part Number: 399102-01SV
In Stock, 1 Available
Price:  $81.43
Screw,Plastic
Note: M3x16 T10
Part Number: 330019-49
In Stock, 5 Available
Price:  $1.99
Reverse Thread Chuck Screw
Note: Lh
Part Number: 605256-01
In Stock, 25+ Available
Price:  $2.99
Lead Wire
Note: Purple, Only Used on Original Non-Sealed Motor.
Part Number: 398978-00
In Stock, 4 Available
Price:  $3.99
Brush Box
Note: Only Used on Original Non-Sealed Motor. - Included In Figure 9; Sold Individually
Part Number: 603754-01
In Stock, 25+ Available
Price:  $7.80
Handle Assembly
Note: Handle Used in Later Production
Part Number: N429860
In Stock, 6 Available
Price:  $10.05
Battery Cap
Note: Not Included W/Unit
Part Number: 645221-00
In Stock, 23 Available
Price:  $1.99
DeWALT 7.2V-18V NiCd - NiMh - Li-Ion Battery Charger
Part Number: DC9310
In Stock, 9 Available
Price:  $150.33
DeWALT 7.2V - 18V Charger
Note: Acc. Dw9107
Part Number: 388683-12
In Stock, 5 Available
Price:  $112.48
Motor Adaptor
Part Number: 626494-00
Ships In 11 - 17 Business Days
Price:  $3.99
Detent Shifter
Part Number: 608060-00
Ships In 11 - 17 Business Days
Price:  $3.99
Cam Return Spring
Note: Included In Figure 15
Part Number: 399059-00
Ships In 11 - 17 Business Days
Price:  $9.80
MTR LWire Guide
Part Number: 603529-00
Ships In 11 - 17 Business Days
Price:  $3.99
Lead Wire Assembly
Note: Only Used on Original Non-Sealed Motor.
Part Number: 398979-01
Ships In 11 - 17 Business Days
Price:  $3.99
Spindle
Note: Included In Figure 15
Part Number: 611904-00SV
Ships In 11 - 17 Business Days
Price:  $47.90
Kitbox
Note: Dc056 Kitbox (Optionl)
Part Number: 660141-00
Ships In 11 - 17 Business Days
Price:  $34.99
DeWALT 18V Ni-Cd XR Power Tool Battery
Note: Dc9099
Part Number: 651034-01
Ships In 11 - 17 Business Days
Price:  $178.00
Dewalt 18 Volt Battery (XRP, Ni-Cd)
Note: 18 Volt
Part Number: 389795-23
Ships In 11 - 17 Business Days
Price:  $215.10
Clamshell Set
No Longer Available [ More Info ]
Part Number: 620711-02SV
Discontinued
Sorry, this part is no longer available
Forward/Reverse Button ( Fits the Marquette Switch)
Note: Use Switch 152274-19
No Longer Available [ More Info ]
Part Number: 634728-00
Discontinued
Sorry, this part is no longer available
Transmission
Note: Incl. 12
No Longer Available [ More Info ]
Part Number: 397892-05SV
Discontinued
Sorry, this part is no longer available


Repair Guides
Removing And Replacing DeWALT Drill Transmissions

This video explains how to carefully remove the transmissions of DeWALT drills and drivers, and how to replace them again.

Power Tool Care and Maintenance 101
Power Tool Care and Maintenance 101

This article suggests guidelines for power tool care and maintenance. It also describes information tools available at eReplacementParts.com.

Drilling, Fastening, and Hammering Power Tools
Drilling, Fastening, and Hammering Power Tools

This article lists the major categories of drilling, fastening, and hammering tools, and explains the basic applications, types, and features of each.

How to Remove a Drill Chuck

This video explains steps for how to remove threaded-on chucks and taper-fit drill chucks, as well as steps for removing a spindle from an open-center chuck.

Accessories
Accessories for the DeWALT DC988V

Questions & Answers

No questions have been asked yet
Discussion
Discussion for the DeWALT DC988V Type 1 18V Cordless Hammer Drill

Discussion is closed. To ask our experts a question about a part, use the Q&A feature on our product pages.
Question: DC988 Lube & Switch Troubles...

VBC

What lube/grease for the internals of a DC988 Type 1 also I was wondering when troubleshoot the VSR switch with a volt meter what kind of readings should you get Thanks
Hi VBC,
The lube you can use a little wheel bearing grease.Don't put too much as it will leak out on to the armature commutator. As far as the voltage from the switch,you should get 18-20 static voltage when the trigger is pulled full open.Hope that helps.Good luck.
Tinker
Question: DC988 Slow

RogerHSr

I have dropped my DeWalt DC988 drill and is now running very slow and making the battery's over heat. What do I need to check/repair.
Hi RogerHsr,
You need to remove the four screws on the back cover then remove the cover and look at the brush cartridges to see if they were knocked out of their socket. A number of time I've seen them knocked out and setting in side ways with a little bit of the brush riding on the commutator and making just enough contact to allows the tool to run.If this is the case just slide it back in the socket.Hope that helps.Good luck.
Tinker
Question: Dewalt Dc988 - Torque Collar Iss...

aquabill

I can't get the torque adjustment collar into the drill or hammermill function, what gives?
Hi aquabill,
This seems to have been an issue with the detent pin in a lot of these drills. Some times you can run the drill in reverse while rotating the selector ring in to drill mode. Some times if you switch from 1 to 2 to 3 gear and run the tool it will free up the pin.Also by loosing the front screws about 1 turn of the way out and lightly turning the ring it will free the pin.But be very careful not to loosen the four front screws too much as the rear transmission plate will pop out and not allow you to tighten the screws without taking the transmission completely out.Just keep trying and in a good many of the cases it will just start working again.Hope this helps.Good luck.
Tinker
Question: Dewalt Chuck Issues

ducky

I have a dewalt dc988 18v hammer drill. I'm pretty sure that my chuck is stripped badly. I was able to remove a stuck drill bit, but i am unable to open the chuck enough to access the left handed screw. The chuck will close all the way but will only barely open. If I could open it enough to even get a bit extention in there I could salvage the tool or remove the chuck. Any ideas?
Hi Ducky,You will have to cut off the chuck outer case and cut off the ring nut.This will allow the pawls to be pushed out and you will then be able to reach the screw.Hope that helps.
Tinker
Thanks Tinker, I was hoping to avoid that, but I kind of figured that was my last recourse. Thanks again for the info, Ducky.
Question: Dc988 Clutch

Chris

I can't get the clutch adjustment ring to go past 22. It won't go to drill or hammer. Is there an easy fix?
Mine does this too. I have found that if you turn the clutch to the lowest setting and then hold it so that it slips, then you can turn it back to drill or hammer.
Chris and or Karl, I had the same problem and thanks to Karl it worked. Still need to look into why this is so. Seems like something is to blame for this. Guess i'll check with the guys at ereplacement
Hi Guys,
The DC988 had a number of issues with the transmission.The problems were clutch slippage,sticking rotator rings and jumping out of gear.there was never any service bulletin about the problem.Look at the bottom of the drill where the battery goes in and look for a date code.It will start with a 20xx xx-xx. The first 4 digits is the year the tool was made the second will be the week and i think the last where it was made.The transmissions have a three year warranty so if your tool fall within the three years you can get a replacement transmission under warranty. Hope this helps.Good luck.
Tinker
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