Richardson's handbook of projection (1927)

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MANAGERS AND PROJECTIONISTS 751 INSTRUCTION NO. 23.— TO REMOVE PINION FROM GRIPPING DISC SHAFT SC-1, P. 3, follow Instruction No. 22. INSTRUCTION NO. 24.— THROW-OUT LEVER SC-13,P. 6, located just at inner surface of gripping disc, is for the purpose of releasing gripping disc pinion from gear CS-124, P. 6. The gripping discs should be thus released when operating mechanism by means of the crank. INSTRUCTION NO. 25.— TO REMOVE TOGGLE CASTING, shown, removed from mechanism, as CS-117, P. 5, first follow Instruction No. 20, then loosen two screws CS-121, P. 5, and two screws CS-129, P. 2, and shove out the bronze spindle bushing CS-122, P. 2. INSTRUCTION NO. 26.— TO DISASSEMBLE TOGGLE UNIT, shown removed from mechanism and posed in lower right-hand corner of P. 5, first follow Instruction No. 25, then remove screw CS-127, P. 5, which will release pulley CS-126, P. 5, and the two gears. To release shaft from casting remove nut CS-120, P. 5. INSTRUCTION NO. 27.— THE CRANK, SF-48, P. 9, by means of which mechanism is operated by hand, engages with dowel pin SF-20, P. 3, by means of a ratchet. It is held in place on shaft ^y screw SF-49, in end of shaft — not shown in plates. INSTRUCTION NO. 28.— Pilot light PL-15, P. 5, is for the purpose of lighting interior of mechanism and for threading in frame. It is automatically lighted by opening the right hand mechanism casing door. The switch is located in the fibre base of the lamp, which is operated by means of a twocell dry battery located on rear wall of upper magazine. When right hand casing door is closed lamp is automatically switched off. INSTRUCTION NO. 29.— TO REMOVE THE AUTOMATIC FIRE SHUTTER GOVERNOR, SF-69,P.4, follow instruction No. 1, which removes film gate. Next remove governor lever CS-153,P.5, by removing slotted nut CS-157, P.5, located on top of frame casting, behind magazine. Next remove the two hexagon nuts, SF-82,P.3, in end of shaft, which passes through governor unit, and remove hexagon nut SF-83,P.5, whereupon entire governor unit will be released. INSTRUCTION NO. 30.— TO DISASSEMBLE AUTOMATIC FIRE SHUTTER GOVERNOR— First follow In