Toro 38078 Operator's Manual page 21

2. Disconnect the wire from the spark plug and ensure that
the wire does not contact the plug (Fig. 18).
3. Remove the 3 bolts that hold the belt cover in place and
set the cover aside (Fig. 24).
1
2
Figure 24
1. Upper belt cover
4. Loosen the auger brake arm assembly by loosening the
rearmost screw and removing the front screw (Fig. 25).
1
2
Figure 25
1. Rearmost screw
2. Front screw
5. Remove the idler pulley spring (Fig. 25). Let the brake
arm assembly hang free but out of the way.
6. Remove 2 bolts, 2 washers, and 2 lock washers that
secure the belt guide (Fig. 26).
m-4040
2. Bolt (3)
4
3
m-2678
3. Idler pulley spring
4. Auger brake arm
21
3
1
2
11
Figure 26
1. Traction idler pulley
2. Idler pulley
3. Bolt, washer, and lock
washer
4. Traction drive belt
5. Engine pulley
6. Auger/impeller drive belt
7. Remove the engine crankshaft bolt, lock washer, and
washer (Fig. 26).
8. Separate and remove the engine pulley sheave (Fig. 26).
9. Remove the auger/impeller drive belt, leaving it looped
around the large auger/impeller pulley.
10. Remove the engine pulley (Fig. 26).
11. Remove the traction drive belt from the traction pulley
and the engine crankshaft (Fig. 26).
12. Pull the traction idler pulley outward and install a new
traction drive belt (Fig. 26).
13. Install the engine pulley.
Note: Do not to pinch the traction drive belt (Fig. 27).
Figure 27
1. Traction drive belt
2. Engine pulley
3. Indexing rib in indexing
notch
14. Pull the idler pulley outward and loop the
auger/impeller drive belt in front of the engine pulley,
ensuring that the belt is on the inside of the idler pulley
(Fig. 26).
4
5
6
7
8
9
10
m-3331
7. Belt guide
8. Engine pulley sheave
9. Engine crankshaft bolt,
lock washer, and washer
10. Large auger/impeller
pulley
11. Traction pulley
m-2677
4. Engine pulley sheave
5. Auger/impeller drive belt