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Discussion for the Delta 34-450 Type 1 Unisaw
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Question: Rockwell Table Saw Repair
Have an old Rockwell table saw model 34-466 with a Rockwell 83-621 motor. Was working fine. Then when I turned it on, the blade rotated about 1/2 revolution very slowly and stopped. When I turn the saw off, I can see the switch move to the off position. When I turn it on, I can see the switch move on and hear it click. The motor doesn't run or the blade turn and I am getting a faint humming sound when in the on position. I can turn the blade manually just fine, so it hasn't frozen. Any ideas on what might be the problem? Thanks to all for your help.
Reply: Rockwell Table Saw Repair
Right off the bat I thought of three situations that it might be, and they all have to with the motor. It may be a start capacitor problem, an internal centrifugal switch problem or a start winding issue. You may want to take your motor to a qualified electric motor repair shop in your area and have them take a look at it. If it's past the point of no repair you may want to consider upgrading to a 3hp 1ph motor. The initial investment is costly, but you will notice a big difference between the two. One other thought, check the contacts on your switch making sure they are not scored or burnt.
Is the front trunion with the gear teeth on it for the blade tilt the same for all unisaws?
We show that the part number 422043955001 front trunnion is compatible with at least 83 models of the Delta Unisaw. Chances are in your favor that it will work on yours. Of course if yours is a left tilt or the new style with the tilt and raising mechanisms up front it won't work.
Hope that helps,
Question: Blade Guard
This model saw 34-450 I have does not have a blade guard. Did it ever have a blade guard? What do you suggest for installing a blade guard for this model table saw?
Reply: Blade Guard
The original blade guard for the 34-450 Uni-Saw is part number 734639.
Hope this helps,
Question: 2 Hp Motor 3 Ph
I am looking for a single phase replacement motor for my model #34-450 saw. It currently has a 2hp, 3ph motor.
Reply: 2 Hp Motor 3 Ph
The 2hp, 1ph replacement motor for your saw is part #83-631. The motor is available from http://www.ereplacementparts.com.
I hope this helps with your repair!
Reply: 2 Hp Motor 3 Ph
I assume the old motor to be a Rockwell bullet, if so I will be happy to take it off your hands.
Accessories for the 34-450