Motion picture handbook; a guide for managers and operators of motion picture theatres ([c1916])

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FOR MANAGERS AND OPERATORS 589 of which is seen at 38, P. 2. This releases the entire mechanism from its supporting casting. Having proceeded thus far, you will find two heavy screws at the lower corners of the mechanism. Remove these and the brackets will be released from the mechanism. No. 38. — T^he Entire Mechanism, that is to say, the part which frames up and down, may be removed from the frame by taking out the mechanism holding screws (four of them), one of "which is shown at 38, P. 2, the three others being in corresponding positions, there being two on one side and two on the other. These four screws hold the mechanism to the frame. No. 39.— Setting the Revolving Shutter. See General Instruction No. 18. No. 40. — Oiling. See General Instruction No. 1. There is one oil tube, leading to the intermittent shutter gear bearings. The top of this tube is stopped by a steel ball in order to keep dirt out. Press the ball down with the nose of the oil can, and the oil will flow into the tube. A bit of cotton should be kept in the oil hole of gear 19333, P. 1, to keep out dirt. Beyond this no special instructions are necessary for the oiling of the Edison Model D, except that I would advise the use of a tolerably heavy lubricant on the star and cam. No. 41. — Lower Shield, 18666, P. 3, may be removed, together with its hinge, by taking out two screws 2798, P. 3. Don't take out the hinge pin. If you do you are very likely to have a hard job getting the spring back into place. No. 42. — Adjusting Sprocket Idler Rollers. See General Instruction No. 12, and Instruction No. 30. No. 43. — Cleaning Sprockets. See General Instruction No. 3. No. 44. — Worn Sprocket Teeth. See General Instruction No. 8. No. 45. — Worn Aperture Plate. See General Instruction No. 11. No. 46.— Two-Wing vs ThreeWing Shutters. See General Instruction No. 18. No. 47. — Adjusting Tension Springs. See General Instruction No. 9. No. 48. — End Play in Intermittent Sprocket. See General Instruction No. 7.