UnionSpecial 56500R Adjusting Instructions

Contents

16SPECIAL INSTRUCTIONSNEEDLE LEVERWhen adjusting needle lever or replacing related parts, follow instructions in sequence as listed:1. Install “O” rings (A, Fig. 15) onto needle lever stud (B) and thrust collar (C).2. With needle lever (D) in machine and positioned properly; insert stud (B) through hole in needle leveruntil its shoulder contacts the needle lever and the word “UP” on stud is in the upright position. Whilemaking sure no binding exits in the needle bar link, secure stud (B) with the front set screw in top ofmachine bed.3. Install temper load ring (E) and compression cups (F) onto stud (B), then push ring and cups throughopening in machine bed.4. Install thrust collar (C) onto stud (B) being careful not to damage “O” ring. Compress componentstogether by tightening screw (G)until washer (H) bottoms against stud (B). Secure stud (B) in positionusing the rear set screw in top of bed.5. To check temper load ring for proper compression, remove screw (G) f rom stud (B) and loosen rearset screw in top of bed. Thrust collar (C) should spring out .003 -.007 inch (. 08-.18mm) . Compressload ring in reverse order, then tighten rear set screw.6. With indented “UP” on stud (B) in upright position, install bearing oiler (J) so it’s hook sets in oil supplyhole (K) of stud. When hook and stud are secured in their proper position, the proper amount of oilwill be channeled to stud for lubricating needle lever (D).