Poulan Pro PR621 SNOW THROWER - Manual (Page 15)

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).
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. 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.
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.
1. Drive side cover
2. Screw
3. Drive pulley
4. Idler arm
Figure 31
1
2
7
4
6 5
3
5. Idler pulley
6. Engine pulley
7. Drive belt
2
1. Idler arm
2. Idler pulley
3. Engine pulley
4. Drive pulley
Figure 32
1
3
2
4