This is a genuine DeWalt replacement part that has been sourced from the original manufacturer to ensure quality. The o-ring is intended to be used with portable air compressors. This item is used to seal the connection between the valve plate and the cylinder assembly. The o-ring is sold as an individual replacement part.
1. Printed exploded diagram from website to verify where all the fasteners were located.
2. Removed all fasteners to take the plastic shrouding from around the motor and compressor unit.
3. Disconnected the tubing from the air tank to the output of the Valve Plate Assembly with wrench..
4. Removed 4 hex head bolts holdin
... Read moreg Valve Plate Assembly and removed it from cylinder.
5. Placed O-rings on replacement Valve Plate and reassembled to the cylinder.
6. Reconnected the tubing from air tank to out put of Valve Plate.
7. Rotated flywheel by hand to make sure nothing was jammed, then plugged in and tested unit.
8. Be CAREFUL, the loop of tubing gets very hot, very fast.
9. Reassembled plastic shrouding and replaced all the screws.
10. Tested again. All is good!
11. Some of the screws/bolts were very tight. I used the socket set for those.
1. Removed compressor cover housings - front and back and moved the manifold aside.
2. Disassembled the compressor head, piston and valve body to trouble shoot the problem
3. Discovered that the valve body had a broken valve and ordered the new body and associated O-rings.
4. Reassembled the compressor head, piston and n
... Read moreew valve body with O-rings.
5. Tested the operation and made sure the new parts fixed the problem - they did.
6. Reassembled the cover housings and manifold.
7. Tested the operation of the compressor again.
8. Done
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Model Cross Reference
This part works with the following models:
ERP Number: ERP10178982
Manufacturer Part Number: 5140141-49
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Mail-In Recycling Rebate
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
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