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36 ” Rotary Snow Thrower ARTICLE 41:990187 SIMPLICITY MANUFACTURING COMPANY / PORT WASHINGTON, WIS. snow plow is shipped from the factory in 3 rtons. The largest carton contains the rotor hous::19, skid shoes, drift cutters, spout, “V ” belt for spout and the hot air deflector for the engine. The smaller carton contains the idler lever assembly, “V ” belt, pulley, woodruff key, 3 washers for the rotor drive shaft, push bar assembly, hardware for attaching the push bar to the snow plow, and the support bracket for the spout adjusting rod.
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The third carton contains the spout adjusting rod, and the clutch rod. To assemble the snow plow, procede in the following sequence: 1. Assemble the push bar to the rear of the rotor ” “e Assembly 3. Assemble the drift cutters in place on each side of the rotor housing as shown in figure 3. housing, using 2 hex capscrews. The long capscrew (7/16 “-14 NC x 4 1/2 ” 19. ) and the spacer are used in the rear hole of the push bar as shown in figure 1. The other capscrew ( 1/2 “-13 NC x 23/4 ” 19. ) is used in the front hole of the push bar. Fasten the capscrews in place with lockwashers and hex nuts. Fig. 3 4. Apply a coating of light oil to the neck of the discharge spout mounting colar and install the spout in place on the rotor housing as shown in figure 4. The application of oil is necessary to prevent rust and to allow the spout to rotate freely. Clamp “V ” belt around the spout as shown in figure 4, and loop the belt around the adjusting pulley. To adjust tension of the “V ” belt, turn the hex nut at point “A ” in Figure 4. Avoid excessive tension. Spout Extension Rotor Housing Fig. 1 2. Assemble tire skid shoes to each side of the rotor housing as shown in figure 2. .Glamp–. VBelt Ad’u,ting Pivot Lever pu ( li Fig. 2 Fig. 4 5. Assemble the idler lever assembly and pulle. to the rotor drive shaft in the following manner: Three washers are shipped loose in the smaller carton; one washer has a larger hole or bore than the others. Assemble the washer (with the larger hole) to the rotor drive shaft. Slide the hub of the idler lever assembly over the rotor drive shaft. Note: The reinforcing bar welded to the hub and the idler lever is to face away from the pulley end of the rotor drive shaft. Assemble the two washers with the smaller hole to the end of the rotor drive shaft and place the woodruffkeyin its keyway on the shaft. Mount the pulley with the hub facing the idler lever assembly and secure in place with the’set screw. See figure 5. 2. Fasten the rod guide support to the right hand side of the tractor as shown in figure 7. Insert the adjusting rod into the rod guide and check to be sure that the rod guide does not bind or pinch as the spout adjusting handle must rotate freely. / ADJUSTING ROD Fig. 7 3. Assemble ROTOR DRIVE SHAFT ASSY. Fig. 5 the lower end of the adjusting handle to the fork assembly on the adjusting pulley. See figure 8. Installation For ease of attachment to the Model W tractor I follow the steps outlined below: 1. The snow plow push bar attaches to the front of the tractor frame as shown in figure 6. Loosen the 2 “T ” nuts on the push bar hitch and engage the front hitch rod securely into the front notch or groove on the lower front end of the tractor frame. Depress the tractor handles and the rear hitch rod will seat itself into the rear notch or groove on the tractor frame. When the hitch rods are well seated in the notches tighten the “T ” nuts securely. I Fig. 8 4. Place the “V ” belt in position on the engine drive shaft pulley and on the rotor drive shaft pulley. Note: “V ” belt runs under the idler pulley.
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