Husqvarna HU800H Operation Manual - Page 15

SERVICE AND ADJUSTMENTS CAUTION: TO AVOID SERIOUS INJURY, BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS: 1. Release control bar and stop engine. 2. Make sure the blade and all moving parts have completely stopped. 3. Disconnect spark plug wire from spark plug and place where it cannot come in contact with plug. LAWN MOWER TO ADJUST CUTTING HEIGHT See "TO ADJUST CUTTING HEIGHT" in the Operation section of this manual. REAR BAFFLE GEARCASE PULLEY GEARCASE BELT KEEPER RETURN SPRING BLADE ADAPTER REAR DEFLECTOR The rear deflector, attached between the rear wheels of your mower, is provided to minimize the possibility that objects will be thrown out of the rear of the mower into the operator's mowing position. If the deflector becomes damaged, it should be replaced. IDLER PULLEY BELT RETAINER DEBRIS SHIELD TO REMOVE DRIVE BELT (See Fig. 19) 1. Remove screws securing rear baffle. 2. Turn lawn mower on its side with air filter and carburetor up. 3. Remove rear baffle from mower. BLADE LOCKWASHER HARDENED WASHER BLADE BOLT 4. Disconnect return spring from rear baffle / rear gearcase belt keeper. FIG. 19 5. Remove blade bolt, lockwasher, hardened washer and blade. 6. Remove debris shield. 7. Remove gearcase belt keeper. 8. Remove drive belt. TO ADJUST HANDLE (See Fig. 20) The handle on your lawn mower has three (3) height positions - adjust to height that suits you. 1. Remove knob and carriage bolt on one side of the lower handle. TO REPLACE DRIVE BELT (See Fig. 19) 1. Place new drive belt on gearcase pulley. NOTE: Always use factory approved belt to assure proper fit and long life. 2. Reinstall gearcase belt keeper. Be sure the new drive belt is inside the tabs of the gearcase belt keeper. 3. Position the blade adapter on the engine crankshaft. Be sure key in adapter and crankshaft keyway are aligned; and that the new drive belt is inside the tabs of the belt retainer. 4. Reattach return spring to rear baffle / rear gearcase belt keeper. 5. Place rear baffle in mower housing. 6. Reinstall debris shield. 2. While holding handle assembly, remove knob and carriage bolt from opposite side, align hole in handle with desired hole in handle bracket and reassemble bolt and knob and tighten securely. 3. Align opposite side of handle with same positioning hole and secure with bolt and knob. KNOB BOLT HANDLE BRACKET HIGH MEDIUM 7. Reinstall blade. The recommended tightening torque is 3340 ft. lbs. LOW 8. Return mower to upright position. 9. Reinstall rear baffle screws. FIG. 20 15