Part Location Diagram of 5140010-81 DeWALT Sprocket
See part 178 in the diagram
Replacing your DeWALT Planer Jointer Sprocket
( Grid squares measure 1x1 inch )

Sprocket 5140010-81

Manufactured by:
DeWALT
ERP Number:
ERP10176181
Part Number:
5140010-81
Original Equipment Manufacturer ?
  Works with your model  DW734!
In Stock
Delivers in 3-5 Business Days!

Easy 

15 - 30 mins 

(28 rated repairs) ?
  Works with your model   DW734!

Product Description

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Genuine Dewalt replacement part, this item is sold individually. This is a Drive Sprocket that works in conjunction with a drive chain. It is used on the Dewalt Planers shown below to drive the feed rollers. Depending on the model number you have, as in case of the DW734 uses one. The DW735 and the DW735X use four of this part.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • DeWALT
This part works with the following products:
  • Planer Jointer

Videos For installing this part.

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Replacing your Sprocket

Customer Part Reviews

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Average Rating (out of 5):
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(17 Reviews)
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Questions & Answers

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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

Easy 

15 - 30 mins 

(28 rated repairs) ?
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Planer feed roller drive gear/cog split in half.

Barry from Virginia Beach, Virginia

8 of 8 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Nutdriver, Pliers
Parts Used:
5140010-81

Removed the side chain cover with Allen wrench. Removed snap ring from cog drive shaft. Installed new cog, replaced snap ring, installed cover. This is a simple job that can be accomplished by just about anyone with basic mechanical skills and a few tools. The only special tool needed is snap ring pliers.
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Broken sprocket, one of two

Vince from Penn Valley, California

5 of 5 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Pliers
Parts Used:
5140010-81
I had to remove both sprockets and put both back on at the same time in order to get the chain back on. The manual did not tell me that. It said take it to a dealer. After I figured it out, it was a simple repair. If the manual had stated how to replace the broken sprocket, I could have done the entire repair in 15 minutes.
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Broken sprocket

Michael from Sun VCalley, Nevada

5 of 5 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
5140010-81
1. Removed side covers to expose the sprockets
2. Found that with all four sprockets off that the one roller was hard turning and the other was stuck
3. Removed both rollers replaced one roller block that frozen solid.
4. Cleaned and grease roller blocks. PS check the rollers first, before you think it might be the ge ar box!
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Feed rollers not feeding - broken sprocket and springs

Sarah from Columbus, Georgia

3 of 3 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Screw drivers
DW735 planer not feeding
Parts used:
one new feed roller sprocket (5140010-81),
one new retaining ring (5140010-80), (order two in case one pops off the snap ring plier)
two new springs (5140011-04).
Suggestion: to know how many parts to order, remove both black side covers to determine if one or more bro ken sprockets are causing your rollers not to feed. If all is intact, then you have a different cause for the rollers not feeding.

1. Unscrew and remove both black side covers and the yellow top cover that gives access to the dust shroud and blades. Remove the height adjustment wheel to reach the screws securing that side cover. Behind each side cover are two feed roller sprockets, a short chain running between the sprockets, a lever with a wheel on one end that has the purpose of pressing against the chain to keep the chain tracking properly, and a spring on the other end of the lever. In one side compartment, the spring is attached to a horizontal post, and in the other compartment the spring fits into a slot in the metal plate above.
2. On each side, one sprocket is held on the feed roller shaft with a screw and washer, but the other sprocket is held on the shaft with a retaining ring. This retaining ring is round with two tiny holes at each end - it is NOT the \'E\" ring retainer! Remove the retaining rings with a snap ring plyer that has nubs small enough to fit into these tiny holes.
3. After I opened both sides of the planer, of the four sprockets, two on each side, one sprocket was broken into three pieces. The others were not damaged nor particularly worn. I also found in each side one broken spring and one sprung spring.
4. I removed the retaining ring and the broken sprocket, then slid a new sprocket onto the shaft, followed by a new retaining ring. Be sure to seat the ring firmly into the groove on the shaft.
5. I replaced the broken springs on each side. NOTE: before replacing the springs, seat the lever wheel on the chains as follows: on the side with the height adjustment wheel, the lever wheel should track along the TOP of the chain; on the other side, the wheel should track BENEATH the chain.
6. Replace side covers. change or flip blades to a sharper side, if necessary; wax the feed table so lumber will be drawn across the table more easily with less friction, thereby reducing stress on the roller parts.
7. Get a test board, grab your ear bobs, flip the switch on, then enjoy watching your newly repaired planer suck in the board then spit a thinner version out the other end. DONE! And so gratifying to repair it myself.
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Planner wouldn\'t move the wood

Steve from KENWOOD, California

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Parts Used:
DW7352, 5140010-81
Replaced broken sprocket, cleaned rollers, waxed base and installed new blades.
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Boards would not feed thru planer

DAVID from GAINESVILLE, Missouri

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers
I found that a sprocket on the side of my Dewalt planer was broken. Easy fix remove retaining ring replace sprocket - washer and retaining ring, tricky part is getting all back together with chain drive.
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Sprocket on Dewalt 735 planer broke

Kevin from Anacortes , Washington

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
Parts Used:
5140010-81
Removed the cover and replaced the sprocket. The retaining ring came off with retaining ring pliers. Overall about as easy as it gets. Bought a second sprocket for the future just in case.
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Broken sprocket

Edwin from North Plains, Oregon

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
5140010-81
Remove cover
Removed retaining ring
Remove broken sprocket and the chain
Slide on sprocket and install chain
Install the retaining ring on
Install cover
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Forward drive roller would not feed (roll) plank into planer

Joseph from Lexington, South Carolina

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers, Wrench set
Parts Used:
5140010-81
1. Used Dewalt wrench to take side off.
2. Loosened the tension arm and removed broken Sprocket.
3. Sprocket is keyed so it just slid on no problem.
4. Let tension arm go.
5. Replaced side cover and that is it.
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Sproket and chain broke

Craig from SOUTHINGTON, Connecticut

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Wrench set
Parts Used:
5140010-99, 5140010-81
Removed outer cover
Removed broken parts
Replaced parts
Replaced cover
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Model Cross Reference

This part works with the following models:
ERP Number: ERP10176181
Manufacturer Part Number: 5140010-81
Brand Model Number Description
DeWALT DW734 Planer Jointer - 12-1/2 inch Planer
DeWALT DW735 Planer Jointer - 13 inch Planer
DeWALT DW735X Planer Jointer - 13" Planer