21
650/913
2
1
Figure 22
1.
Roll pin
2.
Drive assembly
7. With the drive assembly 1/8 inch (3 millimeters) from
the roll pin, tighten the flange nuts that secure the speed
selector plate.
8. Shift the speed selector to the R (Reverse) position and
back to third gear to check the adjustment.
9. If the space between the roll pin and the drive assembly
is more than 3/16 inch (5 millimeters), repeat steps 4
through 7.
10. Install the bottom cover and return the snowthrower to
the upright position.
11. Connect the wire to the spark plug.
Adjusting the Traction Drive
Belt
Adjust the traction drive belt after the first operating hour,
after every five operating hours thereafter, and when the
speed selector shifts properly but the snowthrower does not
drive in the forward or reverse speeds.
1. Stop the engine and wait for all moving parts to stop.
2. Disconnect the wire from the spark plug and ensure that
the wire does not contact the spark plug (Fig. 15).
3. Check and adjust the traction drive as described in steps
4 through 7 of Installing the Traction Rod on page 10.
4. If the problem persists after adjusting the linkage,
contact an Authorized Service Dealer.
5. Connect the wire to the spark plug.
Replacing the Traction Drive
Belt
If the traction drive belt becomes worn, oil-soaked, or
otherwise damaged, replace the belt.
1. Stop the engine and wait for all moving parts to stop.
2. Disconnect the wire from the spark plug and ensure that
the wire does not contact the spark plug (Fig. 15).
3. Drain the gasoline from the fuel tank. Refer to
Emptying the Fuel Tank on page 24.
4. Remove the two flange-head bolts that hold the belt
cover in place and set the cover aside (Fig. 23).
661
1
2
Figure 23
1.
Flange-head bolt (2)
2.
Belt cover
5. Loosen the belt guide (Fig. 24).
664
1
6
5
4
3
2
Figure 24
1.
Traction drive belt
2.
Idler pulley
3.
Auger/impeller drive belt
4.
Large auger/impeller
pulley
5.
Belt guide
6.
Engine pulley
6. Remove the auger/impeller drive belt from the engine
pulley and the large auger/impeller pulley (Fig. 24).
7. Tip the snowthrower forward and block it so that it
cannot fall.
Summary of Contents for 38063
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