Medium
30-60 minutes
This key is an authentic DeWALT replacement part that is customarily used in table saws. It is placed at the end of the shaft (part 5140032-49). This key is designed to transmit torque, as well as hold the bevel gear (part 5140061-65) in place. It is a small metal part that is sold individually and is relatively easy to install.
Key 5140032-50
OEM part for: DeWALT
Part Number: 5140032-50
$4.99
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Compatibility
This part will fit the following 18 machines
DeWALT
DW745 Type 1 Table Saw View Diagrams & Manuals
DWE7499GD (Type 1) 10" Jobsite Table Saw View Diagrams & Manuals
DWE7480 (Type 1) 10" Compact Job Site Table Saw View Diagrams & Manuals
DWE7490X (Type 1) 10" Job Site Table Saw View Diagrams & Manuals
DWE7491RS (Type 1) 10" Jobsite Table Saw View Diagrams & Manuals
DW745 (Type 3) 10" Table Saw View Diagrams & Manuals
DCS7485T1 (Type 1) 60v Table Saw W/Batt View Diagrams & Manuals
DCS7485B (Type 1) Cordless Table Saw View Diagrams & Manuals
DW745-AR (Type 1) 10 Jobsite Saw Power Tool View Diagrams & Manuals
DW745-AR (Type 3) 10 Jobsite Saw Power Tool View Diagrams & Manuals
DW745-B2 (Type 1) 10 Jobsite Saw Power Tool View Diagrams & Manuals
DW745-B2 (Type 3) 10 Jobsite Saw Power Tool View Diagrams & Manuals
DW745 (Type 20) 10 In Table Saw Power Tool View Diagrams & Manuals
DWE7480 (Type 20) Table Saw Power Tool View Diagrams & Manuals
DWE7485 (Type 1) Table Saw Power Tool View Diagrams & Manuals
DWE7490X (Type 2) 10 Table Saw Power Tool View Diagrams & Manuals
DWE7491RS (Type 2) 10in Jobsite Tbl Saw Power Tool View Diagrams & Manuals
DWE7499GD (Type 2) 10 Table Saw Power Tool View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Saw Parts
- Table Saw Parts
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Customer Repair Instructions ?
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Saw blade could not be raised. Bevel gear on vertical shaft that raises the saw blade fell off and the shaft key was lost.
Jim - May 6, 2023
Tool Type
Table Saw
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Socket set, Right angled Phillips tip screw driver
Parts Used
It is necessary to position the shaft at its lowest position so that the key engages with the bevel gear. I used the lock nut that holds the bevel gear in place to rotate the shaft, otherwise it’s difficult to do so without damaging the threads that move the saw motor up and down.
There is a plastic spacer that keeps the bevel gear in place. Put this sleeve on then put the key in the slot on the shaft and press it in with mild pressure using adjustable pliers. Once the key is in place put the gear, flat washer and then the spring washer before finally the lock nut. At this point you can hold the circular handle that raises the blade to keep the shaft with bevel gear from rotating. while using a socket to tighten the nut. It takes very little force to tighten it sufficiently. Check the rotation on the handle to verify you haven’t over tightened the nut, it should spin freely. In my case there were only two threads exposed at the bottom of the nut.
At this point I discovered that the screw on top of the vertical shaft was loose and ‘popped’ off when I rotated the handle to raise the blade.
Access from the top of the table through the slot the blade sits would require removing the canvas dust shroud that is attached to the bottom of the table.
I chose to sacrifice a Phillips screw driver to make a short 90 degree screw driver using a vice and a 2 lb sledge. I had to remove the bevel gear and start over using the same sequences above. But first I installed the screw on top of the shaft. I put a thread locking glue on the screw threads and I used the bent screw driver to hold the screw in place while rotating the handle until the screw was tight as possible. At this point I repeated the bevel gear install and the saw blade assembly moved up and down without any issues.
There is a plastic spacer that keeps the bevel gear in place. Put this sleeve on then put the key in the slot on the shaft and press it in with mild pressure using adjustable pliers. Once the key is in place put the gear, flat washer and then the spring washer before finally the lock nut. At this point you can hold the circular handle that raises the blade to keep the shaft with bevel gear from rotating. while using a socket to tighten the nut. It takes very little force to tighten it sufficiently. Check the rotation on the handle to verify you haven’t over tightened the nut, it should spin freely. In my case there were only two threads exposed at the bottom of the nut.
At this point I discovered that the screw on top of the vertical shaft was loose and ‘popped’ off when I rotated the handle to raise the blade.
Access from the top of the table through the slot the blade sits would require removing the canvas dust shroud that is attached to the bottom of the table.
I chose to sacrifice a Phillips screw driver to make a short 90 degree screw driver using a vice and a 2 lb sledge. I had to remove the bevel gear and start over using the same sequences above. But first I installed the screw on top of the shaft. I put a thread locking glue on the screw threads and I used the bent screw driver to hold the screw in place while rotating the handle until the screw was tight as possible. At this point I repeated the bevel gear install and the saw blade assembly moved up and down without any issues.
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All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
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