This item is a genuine OEM sourced replacement valve kit designed for use with Dewalt pressure washers. This kit includes three (3) inner and three (3) outer valves that fit in the pump. These valve are made out of plastic with metal and they include rubber o-rings. To complete this repair you will need a set of wrenches and a screwdriver.
Remove each manifold plug and pulled out broken valve. removed pieces of broken plastic that stock inside the manifold. installed new valve and re installed manifold plug.
1: Removed water pump manifold with allen wrenches
2: Inspected valve seats , O-rings and valves
3: Found top o-rings shredded , upper valves twisted but in tact; inner valve inspected and found to be impacted and sealed from improper pressure and over heat
4: Removed upper O-rings for replacement; replaced upper valves;
... Read more removed inner valves with probe set; remainder of valves had to be extracted with a thread out adapter as they were sealed in by expansion
5: Replaced all valves ; lubed all O-rings, valve seats , washers and screws
Removed pump manifold and the plate covering the valves with allen key.
Pull old valves out with needle nose pliers.
Push new valves in by hand
Reinstall cover plate
Reinstall pump manifold
I watched your you tube videos on how to repair pressures washers. Thank you They helped immensely. I made copies of them for those of you that are having problems to.
Removed pump
Disassembled
Removed old valves and cleaned all passages of broken valve pieces with air and small pick
Installed new valve kit
Reinstalled pump
1. Remove old Valves and replace after cleaning
2. replace Soap injector clean the port
3. Unloader check valve remove old , clean and replace with new
4. Start power washer and adjust new parts to the pressures needed and run. It is OK now soap and all.
1. Checked unloader valve(regulator), it was ok
2. Took off valve body
3. Removed all 6 valves from valve body
4. Cleaned out valve body, build up inside
5. Replaced all 6 valves and thermal relief valves
6. Re-assembled and adjusted unloader
7. Connected water supply, started engine, turned on water
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... Read morebr />8. Washed 2 vehicles with it, worked just fine
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Model Cross Reference
This part works with the following models:
ERP Number: ERP9964106
Manufacturer Part Number: 5140117-46
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.
_WW_4.gif "Part Location Diagram of 5140117-46 DeWALT Valve Kit")
_WW_4.gif "Part Location Diagram of 5140117-46 DeWALT Valve Kit")
