HARRISON LATHES L5A, (9' & 11') Later Models email: HARRISON LATHES L5A, (9' & 11') Later Models A manual for this lathe Newer Models: Lathes badged ' Harrison 11-inch ' are just machines produced during the last years of L5A/L6 production; they had a 5.5' centre height but, instead of a screwed thread on the spindle nose, were supplied as standard with the safer and more rigid American L00 (L zero-zero) fitting. Typical late-model Harrison badged as an '11-inch' and fitted with a full (Inch) screwcutting & feeds gearbox Harrison L5/L5A/11-inch with 3-speed screwcutting and feeds gearbox L5A/11-inch compound slide rest, 4-way toolpost on a T-slot top-slide, bed-mounted multi-stop and dial-thread indicator. The changewheels were made from steel, not cast iron, and as a result could set up quite a ringing noise at higher spindle speeds; careful adjustment of backlash between mating teeth, and the use of a heavier, 'open-gear' lubricant helped to minimise this problem. L5A/11-inch carriage with the thicker top slide casting that allowed the use of a T-slot to retain the toolpost. Biology 11 Mcgraw Hill Ryerson Download Music more. This machine has the large bore, threaded headstock spindle. North American market L5A/11-inch badged as a 'Clearing' When the increased centre height L.5A was introduced its spindle (with a slightly larger 1.375' (35 mm) hole was also offered on the smaller machine L5 - though this is rarely found. Email: HARRISON LATHES L5A, (9' & 11') Later Models A manual for this lathe Newer Models.

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