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GEAR) Remove auger/impeller and gear case from housing referring to Auger/Impeller Section. Remove four bolts from bearing flange (Figure 22). Remove flange and gasket. NOTE: At this point bronze gear cannot be removed. Using bearing adjustment wrench remove adjustment plug. While holding input shaft in one hand and using a mallet, strike case until bearing cone pops out of the case. Bronze gear can then be removed from case. After bronze gear is removed, input shaft can then be removed. NOTE: It is not necessary to remove the end cap from case. To remove worm gear and bearings, simply remove bolt and washer from end of shaft. Assembly is done by inserting bronze and worm gear at same time. Using adjustment wrench, tighten down on adjustment plug until input shaft is snug. Replace side cover using a sealant on threads of two bottom bolts. Fill gear case with L-2 oil until level reaches bottom of threads in filler hole. Check oil level periodically. Oil level must be up to oil fill hole. Change oil every 25 hours or once each season, whichever comes first. Fill with Ariens Special L-2 Gear Lubricant (P/N 000080). Use approximately 5 oz. 10.2 ALUMINUM GEAR CASE Remove auger/impeller and gear case from housing referring to Auger/Impeller Section. Remove six bolts that hold right and left gear case halves together (Figure 23). If flange bushings need replacement, first remove seals from outside of gearcase halves with a screwdriver. Flange bushings can then be pressed out from outside in with a bearing driver. Bushings are very lightly pressed in. When replacing bushings make sure the flat on the flange of bushing fits in the inside notch of the case. There are two special washers, one on either side of bronze gear. If burred or worn they should be replaced. Holding bronze gear on rake shaft is a groove pin. When driving out, drive in direction of least resistance. Remove bronze bushing from front of worm shaft by sliding it off. Replace if necessary. Notice that a flat on the bushing flange positions the bearing inside the gearcase. Behind the rear bronze bushing is a seal which fits into a groove in the gearcase. It should be replaced at time of repair. Rear bushing is a larger diameter than one in front, but are identical in design. Replace if necessary. If replacement of thrust collar is necessary, again drive out groove pin towards direction of least resistance. Inspect worm for burrs or black coloration. If either show up, replace shaft. For assembly, make sure the flats on the bushings are in their proper place. Apply Locktite 118 on the gear case half. After assembly is complete you should be able to turn input shaft freely. Auger/impeller gearcase is lubricated with Ariens L-2 (P/N 00008000). Check lubrication by removing filler plug on side of gear case just below left auger shaft. Lubrication should be even with hole with unit sitting level. Unit will not be damaged by over-lubricating. 10 - 29 Figure 22 PS0472 1. Impeller 2. Worm Shaft 3. Adjustment Plug 4. Worm and Gear Service Assembly 5. Rake Shaft 6. Gear Case Shaft 7. Gear Case Cast Iron Gear Case 1 2 3 4 5 6 7 Figure 22 PS0472 1. Impeller 2. Worm Shaft 3. Adjustment Plug 4. Worm and Gear Service Assembly 5. Rake Shaft 6. Gear Case Shaft 7. Gear Case Cast Iron Gear Case 1 2 3 4 5 6 7 10 - 30 Figure 23 PS0281 1. Impeller 2. Worm Shaft and Gear Assembly 3. Thrush Collar 4. Case, Left Side, Large Bore 5. Case, Right Side, Small Bore 6. Rake Shaft Aluminum Gear Case 1 2 3 4 5 6 Figure 23 PS0281 1. Impeller 2. Worm Shaft and Gear Assembly 3. Thrush Collar 4. Case, Left Side, Large Bore 5. Case, Right Side, Small Bore 6. Rake Shaft Aluminum Gear Case 1 2 3 4 5 6 10 - 31 SECTION 11 -ELECTRICAL SECTION 11 -ELECTRICAL 11.1 CONTINUITY DIAGRAM The diagrams below show the various states of connection for electrical components. The solid lines on switches show continuity. NOTE: All switches are viewed from the rear. Key Switch (02739600) OFF M A S R B G RUN M A S R B G START M A S R B G Solenoid (03551000) NOT ENERGIZED ENERGIZED PS0660 11 - 32 11.2 WIRING DIAGRAM ENGINE BLACK BROWN KEY SWITCH 1 MAGNETO RED D.C. CHARGE A.C. LIGHTING HEAD LIGHT KIT (OPTIONAL) BATTERY RED STARTER BLACK RED RED 2 YELLOW YELLOW PURPLE WHITE / BLACK FUSE - 10 AMP M G B A A S R STARTER SOLENOIDBLACK RED AB PS0671 11 - 33 Ariens Company 655 West Ryan Street P.O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 ...

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