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Machinery Photo Index
Manufactured/Badged by:
Oliver Machinery Co.
Grand Rapids, MI

Machine Specifications
Machine Class: Wood Working Machinery
Machine Type: Mortising Machine
Machine Size:
Submitted By: Dick Streff
Machine Specifications
Description/Model: 91-D
Date of Manufacturer: 1947
Serial Number: 66760 (View SN Registry Entry)
Last Updated 10/31/2012 10:03:36 PM

Comments:
Bought the machine from HGR in Cleveland. It has a USAF ID scratched into the paint above the screaming chicken tag that I left in place and painted over. So it spent at least some time in the military.

The machine was in generally good condition when I bought it but the foot pedal shaft had been previously welded and rebroken before it came to me. The break was right at the point where the upper web is cut out to allow the table raising screw to pass by. I fixed it with a combination of welding, brazing, and a mechanically fastened steel splint.

The motor tag says it is single voltage 220V but there are nine leads coming out of the motor. I think the motor has been rewound as the insulation looked too new to be from 1947. I put new bearings in and it runs quite nicely. Not as much horsepower as the later model 92-D I previously had but adequate for most tasks.

Photo 1:

Comments: Front Right Quarter
Source: My Coolpix
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Photo 2:

Comments: Front Left Quarter
Source: My Coolpix
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Photo 3:

Comments: Serial Number Tag
Source: My Coolpix
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Photo 4:

Comments: Motor Tag
Source: My Coolpix
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Photo 5:

Comments: Area of the foot pedal shaft that had previously broken. The splint I added is the bump on top.
Source: My Coolpix
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Photo 6:

Comments: Another view of the repaired pedal
Source: My Coolpix
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