Poulan PR521 User Manual - Page 15

Replacing the Drive Belt If drive belt becomes worn, oil-soaked, excessively cracked, frayed, or otherwise damaged, replace the belt. 1. Remove the drive side cover by removing the six screws as shown in (Figure 31). 5 4 6 7 4. Install the new drive belt, routing it as shown in (Figure 32). NOTE: Route the new drive belt first around the engine pulley, then the idler pulley, and finally around the drive pulley while pressing down on the front of the idler arm. (Figure 32). 5. Install the drive side cover with the screws removed in step 1. 3 1 2 2 1 3 2 Figure 31 1. Drive side cover 2. Screw 3. Drive pulley 4. Idler arm 5. Idler pulley 6. Engine pulley 7. Drive belt 2. Press down on front of idler arm to release the belt tension (Figure 31). 3. Remove the drive belt from the drive pulley (Figure 31). 4 Figure 32 1. Idler arm 2. Idler pulley 3. Engine pulley 4. Drive pulley NOTE: Ensure that the drive belt is properly adjusted and operating; refer to Checking the Control Cable and Adjusting the Control Cable in the Maintenance section of this manual. 15