User manual YAMAHA YS624WM

[. . . ] Check choke (Control lever) 6. * Exhaust System 7. Carburetor operation. -29- -30- -- G-520 8-561 SPARK PLUG INSPECTION You should periodically remove and inspect the spark plug. Check for discoloration and remove the carbon. Standard electrode color: Tan Color I 2. [. . . ] Standard Auger Clearance: 5 mm (0. 2 in) I FOOT PEDAL (Auger Height) ADJUSTMENT 4-Stage Position 1. Shift the shift lever to "Neutral" position. Hold the handlebars with both hands while stepping lightly on the foot pedal. Raise or lower the handlebar to adjust the foot pedal position. Standard Foot Pedal Position: 2nd groove from the top CD Foot lu! CD Skid ~ Auger clearance I CIDLevel surface @ Lowest auger edge pedal I ~ CID Top groove Free position II NOTE: NOTE: . 11 · · · · Use the standard clearance for smooth concrete or asphalt roads. Increase the clearance for stone or gravel roads. Lower the foot pedal position to increase the auger height. Shift the foot pedal to a lower position when reversing the machine. . . . . Free Position 1. Raise or lower the handlebar to adjust the auger height. 3. Tighten the skid nuts. NOTE: Be sure the skid bottom is in complete contact with the levelsurface. . . 8-590 SCRAPER ADJUSTMENT · II Be sure the main switch key and spark plug lead are re- · -35- moved or disconnected before adjusting. Be sure the auger and impeller have stopped before adjusting. -36- 1. Place the machine on a level surface and loosen the scraper bolts and nuts. Raise or lower the scraper to adjust the scraper height between the scraper edge and a level surface. Standard Scraper Height: 5 mm (0. 2 in) . . 6-592 AUGER SHEAR BOLT REPLACEMENT · · I Be sure the main switch key and spark plug lead are removed or disconnected before replacement. Be sure the auger and impeller have stopped before replacement. , I !I CD Scraper (2) Scraper height <ID Level surface 3 ~m (3). 4=. . . . II - Replace the auger shear bolts when the auger does do not rotate even though the impeller is rotating. Install the new shear bolts on the auger and auger shaft. NOTE: Use the spare shear bolts in your tool kit. . . T :~:~:~ NOTE: · 11 . EJ · Use the standard height for smooth concrete or asphalt roads. Increase the height for stone or gravel roads. . 3. [. . . ] Loosen the track and block up the chassis so that the track is suspended above the ground. Clean exterior of the machine and apply a rust inhibitor. Store the machine in a dry, wellventilated place, with the cover placed over it. [. . . ]