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FOR MANAGERS AND OPERATORS 499
709, P. 3. If you cannot start this screw with an ordinary screwdriver, grind down the broad end of a file to make a screwdriver for the purpose. Having removed this screw, place the point of the screwdriver right up close against the hub on the opposite side of the wheel, and tap gently until the wheel becomes loose. In replacing the fly wheel be sure that groove 746 in pinion 677, P. 7, connects properly with the dowels on the spindle. In order to accomplish this insert the point of the screwdriver between lugs carrying brackets 659, P. 2, and the collar on shaft 676, P. 2, and pry gently downward. This will hold the spindle stationary while you twist the' wheel until tjie slots and dowels come opposite each other.
Caution: Between pinion 677, P. 7, and the hub of the casting it fits up against is a thin steel washer. This washer fits on the larger diameter of the shaft, and you must be careful that it is precisely in place before the wheel is forced on, or you will have trouble. When the wheel is in place, tighten up screw 709, P. 3, tight.
No. 22. Removing Toggle Gear. — To remove toggle gear 678, P. 1 and 7, follow Instruction No. 21, then loosen the screw in the upper end of connecting link 682, P. 7, backing it out for a considerable distance, since it is countersunk into the shaft, whereupon the gear and spindle may be pulled out. The adjustment of this gear is a very important matter. The gear must be exactly centered between fly wheel pinion 677, P. 1, and gear 680, P. 3. The toggle gear is carried by connecting link 682, P. 7, and its position with relation to the gears on either side of it is determined by the position of the casting carrying the horizontal bar. Should a grind develop in this gear, first having made sure that connecting link 682, P. 7, is held snugly in its ways by casting 685, P. 7, using a soft metal punch, tap lightly first one way and then the other against casting 684, P. 7, the idea being to slip the casting slightly against the pressure of the screws which hold it. The casting cannot be moved much, but sometimes enough movement may be accomplished to remove or reduce a grind.
No. 23. Adjusting Connecting Link. — Connecting link 682, P. 7, plays an important part, and must be kept tight in its ways. If by shaking horizontal bar 683, P. 7, you are able to move connecting link 682 in its ways, then it is too loose, and may be tightened as follows: First loosen screws 745, P. 7, slightly. Then tighten up just a little on screws 744 (two of them), P. 7, retighten screws 745 and