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To Remove Battery from Unit 1. Remove wing nuts from battery U-bolt. 2. Disconnect battery from wiring. 8.2 WIRING DIAGRAM S B A M R REDBLACK BATTERY 1 2 3 4 A B KEY SWITCH RED BLACK REDREDRED RED YELLOW WHITE BLACK GREEN ENGINE 1 2 3 4 PM0090 8.3 CONTINUITY DIAGRAM The diagram below shows 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 (01155800) S B A MR S B A MR RUN OFF S B A MR START PM0100 8 - 39 SECTION 9 - FRICTION DRIVE SYSTEM & AXLE SECTION 9 - FRICTION DRIVE SYSTEM & AXLE INTRODUCTION WARNING: Remove wire from spark plug before attempting any repair or adjustment procedures. WARNING: Gasoline is highly flammable and its vapors are explosive. Handle with care. CAUTION: DO NOT touch engine or parts which are hot from operation. Allow such parts to cool before servicing unit. NOTE: Rear wheels must be removed to perform repairs in this section. Block up rear of mower to raise rear wheels off work surface. Remove snap ring securing wheel to axle and remove washer and wheel. 9.2 GEAR REMOVAL Remove snap ring securing gear cover over idler shaft, remove taptites securing cover to drive mount, and remove gear cover. Slide differential assembly off axle and remove idler gear from idler shaft. Drive out roll pin securing pinion gear on hex shaft and remove pinion gear. Inspect parts for wear and or damage, replace as necessary. Assemble in reverse order and grease spline area. 9.3 AXLE REMOVAL Remove snap ring next to axle spline on left side of axle and remove axle bearing. Remove cotter pin securing left side of rear protective guard to bracket and move guard out of the way. With snap ring pliers, spread snap ring apart on right side of axle. Pull right wheel and axle from mower until left end of axle clears drive mount. Inspect parts for wear and or damage, replace as necessary and assemble in reverse order being sure to grease spline area. 1 2 3 4 5 6 7 8 1. Differential 5. Pivot Channel 2. Idler Gear 6. Drive Disk 3. Pinion Gear 7. Friction Wheel 4. Drive Carrier 8. Shift Link Figure 27 9.4 DRIVE MOUNT REMOVAL Remove axle and gears. Refer to Axle Removal and Gear Removal Sections. Remove extension spring from drive actuator. Loosen nuts securing drive cable to drive actuator. Remove drive cable spring from bracket on mower pan and remove drive cable from drive actuator. Remove cotter pin and washer from shift link. Remove shift link, and drive mount. Assemble in reverse order. 9.5 DRIVE MOUNT DISASSEMBLY Drive out roll pin in hex shaft and remove hex shaft. Press out bearings from drive mount with bearing driver. Remove taptites securing retainer plate to drive mount and remove guide shaft. Push idler shaft out of drive mount, inspect parts for wear or damage and replace as necessary. Assemble in reverse order. 9.6 FRICTION WHEEL REPLACEMENT If rubber tire on friction wheel becomes worn, chipped, or broken, friction wheel must be replaced. On models with steel friction wheel hub and 3 retaining screws, remove the three cap screws and nuts that secure friction wheel to hub (hole in bearing plate provides access to hardware) and remove friction wheel. 9 - 40 Assemble in reverse order. Refer to Section 4.12 to adjust friction wheel drive. 3 Assemble in reverse order. Refer to Section 4.12 to adjust friction wheel drive. 3 4 2 1 1. Cap Screw 3. Friction Wheel Hub 2. Friction Wheel 4. Lock Nut Figure 28 On models with plastic friction wheel hub, remove drive cover nut and remove drive cover. Remove two taptites and snap ring from gear cover and remove gear cover. Remove cotter pin from shift link and move shift link out of way. Remove three #12-24 x 1/2" taptites from retainer plate. Remove 3/16 x 7/8" roll pin from hex shaft with roll pin driver. Slide hex shaft to left. Slide friction wheel, retainer plate and thrust plate off hex shaft. Remove taptites from thrust plate, separate thrust plate, and remove friction wheel. Install new friction wheel using reverse procedure. 1 Figure 29 9.7 DRIVE DISK REMOVAL Remove drive belt. Remove nut, lockwasher and flat washer securing drive disk to mower pan. Remove four taptites securing bearing retainer to drive disk, remove bearing retainer and spindle. Press out bearings from drive disk using Ariens Bearing Driver P/N 000026. Replace bearings with Bearing Driver P/N 000046. Inspect parts for wear or damage and replace as necessary. Assemble in reverse order. 1 5 5 9 1. Nut 2. Lock Washer 3. Washer 4. Drive Disk 5. Ball Bearing Figure 30 2 4 6 7 10 3 8 6. Washer 7. Spindle 8. Bearing Retainer 9. Taptite 10.Carriage Bolt 1. Taptite 2. Thrust Plate 2 3 3. Guide Plate 4. Friction Wheel 9 - 41 9 - 42 Figure 31 1. Differential Assembly 2. Gear Cover 3. Idler Gear 4. Ball Bearing 5. Retainer 6. Idler Shaft 7. Pinion Gear 8. Ball Bearing 9. Drive Mount 10.Drive Actuator Weldment 11.Pivot Channel Weldment 12.Shift Link 13.Shift Arm Weldment 14.Guide Rod 15.Reta...

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