Tables (LTA-401) had plain U-shaped 3/8” X ¾” milled miter slots (without T-slots).ġ961: T-slots were added to the table. LTA-554 (Bearing Closure Nut) added to parts list.Ĥ - Tops and Extensions ¶ 1939: Table extension (LTA-402) were X-braced. What these marks mean, where the parts were cast, is not known.ġ942: Part No. Delta farmed out their casting work and some shops added additional identifying marks to the part number. Those parts started with LTA-800 and are not to be confused with Unisaw parts. Please note that later in time Delta briefly used the LTA parts prefix for their 10” Tilting Arbor Bench Saw (contractor’s saw). This practice was common with all Delta machines. 1471 Guard) Additional casting prefixes will be found on saw parts that were borrowed from other machines like the die cast dome knobs (NCS-prefix). Parts for the Unisaw began with LTA-401 (Table) and ended with LTA-552 (Coil Spring For No. An additional manual titled “Instructions for Operating Circular Saw Guards” may have also come with the saw.ģ - Casting Marks & Parts Prefixes ¶ 1939: The LTA parts prefix was designated for all parts having to do with the Unisaw. This eight page manual is marked on the last page as “Form LTA-10-39”. No other designations (PM number) is given on the manual. Serial number tags found on saws after 1952 will indicate a Pittsburgh address though during a short period right after the move it appears that left over tags marked Milwaukee made it onto a number of machines.Ģ - User’s Manual ¶ 1939: The user’s manual was simply titled, “Instructions for Adjusting and Operating No. 1 - Site of manufacture ¶ 1939: Unisaws were made in Milwaukee, WI.ġ952: Manufacturing was moved to Tupelo, MS following the closing of the Delta plant in Milwaukee.
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