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MANAGERS AND PROJECTIONISTS 771
on the hub is at the large end of the pin. Gear can then be pulled off the shaft.
INSTRUCTION NO. 22.— To remove lower sprocket shaft 170P, P. 3, and the inner pinion thereon, follow Instruction No. 19 and then drive out taper pin in hub of gear 176P, P. 2 and 3, whereupon the shaft can be pulled out on the operating side of the projector.
INSTRUCTION NO. 23.— To remove bronze bushing carrying lower sprocket shaft 170P, P. 1, follow Instruction Nos. 19 and 21, whereupon the bushing may be driven out from either direction, using a hard wood block and hammer for the purpose. In replacing this bushing take note that the bushing is longer than the bearing, and be careful that it projects or extends the same distance as the old one.
INSTRUCTION NO. 24.— To remove belt pulley 161P, P. 2 and gear 163P, P. 2, follow Instruction No. 21 and then loosen set screws (two of them), in collar 162P, P. 3, after which the pulley and gear can be removed.
INSTRUCTION NO. 25.— To remove gear 158P, P. 2, and the belt pulley attached thereto, follow Instruction No. 19 and remove collar 163P, P. 3, whereupon the shaft and gears can be pulled out. Gear 158P, P. 2 and 3, is attached to the crankshaft by means of a taper pin in its hub, and the belt pulley next it is also attached in the same manner.
INSTRUCTION NO. 26.— The crank end of the crankshaft is supported by a bronze bushing. To remove this bushing and replace it with a new one follow Instruction No. 19 whereupon the bushing may be driven out from either direction and the new one driven in, using only a hard wood block for the purpose.
INSTRUCTION NO. 27.— Just below the intermittent oil well in the main frame casting is one of the bushings supporting lower sprocket shaft 170P, P. 1. To remove this bushing and replace it with a new one follow instruction No. 19, whereupon the bushing may be driven out from either direction and the new one driven in, using a hardwood block for driving.
INSTRUCTION NO. 28.— The springs which hold the idler roller bracket to the sprocket are removed or attached merely by slipping them off the studs.
INSTRUCTION NO. 29.— To remove governor bracket 137P, P. 2 and 3, carrying governor and the center ball race of shaft 100P, P. 2 and 3, follow Instructions Nos. 1 and 2,