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ASSEMBLING Fig. 3-5 0731-820 Fig. 3-6 0733-277 1. Install the circlip into the groove of the fan case. Fig. 3-7 A911 2. Press a bearing into the fan case until it is “seated” against the circlip. 3. From the opposite side of the fan case, install the spacer and press the remaining bearing into the fan NOTE: The spacer is positioned between the two fan-case bearings. 4. Insert the fan with shaft through the fan bearings. 5. Install the key into the shaft. 6. Slide the inner pulley half, required shim(s), fan belt, and outer pulley half onto the shaft. Fig. 3-8 A913 7. Using the fan spanner wrench, secure the pulley with a washer, lock washer, and nut. Tighten the nut INSTALLING FAN 1. Place the fan case assembly on the engine; then secure with four flange nuts and three cap screws. 2. Place the new fan belt into position on the upper pulley. 3. Place the fan drive pulley onto the fan belt and align one of its holes with one of the mounting holes in 4. Rotate the fan drive pulley clockwise while observing the other two holes in the pulley. When 5. Tighten the three cap screws only to position the fan drive pulley on the flywheel; then remove the three 6. Check the fan belt tension. Adjust as necessary. 7. Install the fan cover and secure with six screws. 8. Install the recoil starter. Secure with four cap screws. 340 cc KEY 1. Drive Pulley 10. Washer 370/440 cc KEY 1. Drive Pulley 10. Washer 3 3-3 |