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768 HANDBOOK OF PROJECTION FOR
the hub of what appears to be gear 33P, P. 2, but is in reality the hub of the cam. This will release cam 34P, P. 2, and gear 33P, P. 2. Gear 33P, P. 2, is held to cam 34P, P. 2, by four screws in the back of the cam; by removing these screws the gear is released.
INSTRUCTION NO. 14.— Shaft 25P, P. 2, runs in a bronze bushing pressed into the bracket casting 30P, P. 3. This bushing may be driven out and a new one substituted. The new bushing may be driven in from either direction, but be very careful that you get it started straight, and do not use anything but a hard wood punch to drive it. Proceed carefully and you will have no trouble. The inner end of the bushing should be flush with the casting.
INSTRUCTION NO. 15.— To remove the intermittent unit, which includes shaft 40P, P. 2, star 44P, P. 2, bushing 42P, P. 2, eccentric sleeve 43P, P. 2, collar 45P, P. 2, and intermittent sprocket, 41P, P. 2, proceed as follows : Remove screw 49P, P. 1, and pull off bracket 48P, P. 1. Release screws 833P (two of them), P. 1, and take of intermittent stripper 52P, P. 1. Next remove screw 201P, P. 2. Then raise up on pin 50P, P. 1, which revolves eccentric sleeve 43P, P. 1, and disengages the star from the cam. The intermittent unit may now be removed by grasping the intermittent sprocket and pulling straight out.
INSTRUCTION NO. 16.— To remove intermittent sprocket 41P, P. 2, follow Instruction No. 15 and then drive out the two taper pins in the hub of the sprocket. See recommendation in Instruction No. 57.
INSTRUCTION NO. 17.— To remove both bushings 42P, P. 2, follow Instruction No. 15, drive out taper in the hub of star 44P, P. 2. Intermittent shaft may then be removed from sleeve 43P, P. 2. There are two bushings in this sleeve, and to remove them drive either one clear in against the other bushing and drive the old bushings right on through. In putting in new bushings use nothing but a hardwood punch and be sure to get them started straight. Drive the bushings in at either end of the sleeve until they are flush with the face of the sleeve. See recommendation in Instruction No. 57.
INSTRUCTION NO. 18.— The inner end of shaft 25P, P. 2. is carried by a small bronze bushing. To remove this bushing and to replace proceed as follows : First follow Instrucmittent mechanism. The hole which holds the bushing