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21 HOW TO REMOVE THE SNOW HOOD To access the spark plug, the snow hood must be removed as follows: 1. Remove the choke control knob (see Figure 21). 2. Remove the safety key. 3. Remove the mounting screws (see Figure 22). 4. Slowly remove the snow hood. Make sure that the primer button hose and the Ignition wire are not disconnected. 5. The spark plug can now be accessed. 6. To install the snow hood, first make sure that the primer button hose and the ignition wire are connected. 7. Mount the snow hood to the engine and secure with the mounting screws (see Figure 22). 8. Connect the choke control knob with the choke shaft on the carburetor (see Figure 23 and Figure 24). Make sure the choke control knob is properly installed. If the choke control knob is not installed correctly, the choke will not operate. 9. Install the safety key. Choke Mounting Screws Snow Hood Spark Plug Choke Control Knob igure 22 Choke ShaR Figure 23 Key Carburetor Figure 21 Figure 24 22 BELT ADJUSTMENT Traction Drlve Belt The tractiondrive belt has constant spring pressure and does not require an adjustment.If the traction drive belt is slipping, replace the belt. See =How To Replace The Belts" in the Service And Adjustment section. Auger Drive Belt If your snow blower will not discharge snow, check the control cable adjustment. If it is correct, then check the condition of the auger drive belt. If it is damaged or loose, replace it (see "How To Replace The Belts" in this section of the manual). 1. Disconnect spark plug wire. 2. Remove screw from belt coven Remove belt cover (see Figure 25). 25 . Loosen nut on auger idler pulley and move auger idler pulley towards belt about 1/8 inch (3 mm) (see Figure 29). 4. "13ghtennut. . Have someone engage auger drive clutch. Check tension on belt (oppositeidlerpulley). Beltshoulddeflect about 1/2 inch (12.5 mm) with moderatepressure(Figure26). You may have to move idler pulleymore than once to obtain the correcttension. Auger ,_ EDngiVnee -_ Pulley Idler.....-,.([ Pulley t 7 J ..i',,_ I''_ "_ _O ",\_ ",\ 1/2 inch (12.5mm) Deflection • Engaged /.___.___ Figure 26 6. Reinstall belt cover. . Whenever belts are adjustedor replaced, the cables will need to be adjusted. (See Cable Adjustmentin thissectionofthe manual). 8. Attach the spark plug wire. 23 HOW TO REPLACE THE BELTS The drive belts are of special construction and must be replaced with original equipment replacement beltsavailable from your nearest Sears service center. Some steps requirethe assistance of a second person, How To Remove the Auger Drive Belt if the auger drive belt is damaged, the snow thrower will not discharge snow. Replace the damaged belt as follows. 1. Disconnect the spark plug wire. 2. Loosen the bolts on each side of the bottom panel (see Figure 27). 3. Remove the bottom panel. Bolt Bottom ' i% n , Panel "_,_ l Auger ",_'_ _ .,_,ousing Figure 27 4. Remove screw from belt cover, Remove the belt cover (see Figure 25), 5. Loosen the belt guide. Pull the belt guide away from the auger drive pulley (see Figure 29). 6. Pull the idler pulley away from the auger drive belt and slip the auger drive belt off of the idler pulley. 7. Remove the auger drive belt from the engine pulley. To remove the auger drive belt, the engine pulley may have to be partially rotated. 8, Remove the top four bolts that hold together the auger housing and the motor box, Loosen the bottom two bolts, The auger housing and the motor box can now be split apart for removal of the belt (see Figure 28). . Remove the old auger drive bolt from the auger drive pulley, Replace the auger drive belt with an original factory replacement belt available from an authorized service center (see Figure 29). 10. Install the new auger drive bolt onto the auger drive pulley. NOTE: To assemble the auger housing to the motor box, have someone hold the auger clutch lever in the ENGAGED position, This will move the idler arm and pulley enough to allow the auger drive pulley to move back into position. 11. Assemble the auger housing to the motor box with the four bolts that were removed in step 8. Tighten the bottom two bolts, 12. installthe auger drive belt ontothe engine pulley. 13, Slip the auger drive bolt under the idler pulley. 14. Adjust the auger drive bolt, See =How To AdjustThe Auger Drive Belt"inthe Service And Adjustment section. 15. Adjust the bolt guide. See =How To Adjust The Belt Guide" in the Service And Adjustment section. 16. Installthe bolt cover. Tighten screw (See Figure25). 17. Check the adjustment of the cables. See "How To Check And Adjust The Cables" in the Service And Adjustment section. 18, Installthe bottom panel (see Figure 27). 19. Tighten the bolts on each side of the bottom panel, 20, Connect the spark plug wire, 24 Remove Bolts Motor Box Auger Housing Figure 28 Traction Drive Belt / Belt Guide Traction Drive Auger Drive Pulley Auger Drive Belt E-Ring Swing Plate Axle Rod TractionDrive Spring Traction Drive Belt Traction Drive Pulley Engine Pulle...