Replacing The Scraper; Replacing The Drive Belt - Toro CCR POWERLITE 38170 Operator's Manual

Replacing the Scraper

Before each season, inspect the scraper for wear. If the
thickness of the scraper's bottom is less than 1/16 in.
(1.6 mm), replace the scraper (Fig. 8).
1. Stop the engine and remove the key from the switch.
2. Pull the wire off the spark plug.
3. Remove the three screws that hold the scraper in place.
Figure 8
1. Scraper
4. Remove the scraper.
5. Secure the new scraper to the housing with the three
screws.

Replacing the Drive Belt

Inspect the drive belt before each season, and replace it if
it is worn or damaged.
1. Stop the engine and remove the key from the switch.
2. Pull the wire off the spark plug.
3. Remove the three self-tapping screws, one capscrew,
one washer, and one nut that secure the left side cover
to the snowthrower frame (Fig. 9).
Figure 9
1. Self tapping screws
4. Remove the cover.
2. Wear indicator groove
2. Capscrew, nut, washer
5. Pull the idler pulley up slightly while pulling out the
drive belt. Allow the pulley to gradually release when
it can move past the belt (Fig. 10).
6. Rotate the rotor and work the drive belt off the rotor
pulley. The belt should slide easily off the drive pulley
(Fig. 10).
7. Loop the new drive belt around the drive pulley.
While holding the drive belt, slip it onto the rotor
pulley and rotate the rotor until the drive belt is
completely on the rotor pulley (Fig. 10).
1. Rotor pulley
2. Drive pulley
Make sure that the long end of the idler spring is
hooked in the housing notch and the round end of the
spring is hooked on the pin on the back of the idler
pulley (Fig. 11).
8. Lift up the idler pulley arm assembly, squeeze the belt
together, and route the belt under the idler pulley
(Fig. 11).
1. Idler pulley
2. Idler spring
11
Figure 10
3. Idler pulley
4. Drive belt
Figure 11
3. Notch