MTD 769-04164 - Manuel (Page 13)

13
Always stop engine,
disconnect spark
plug, and ground
against engine before
cleaning, lubricating
or doing any kind
of maintenance or
adjustments on your
machine.
WARNING
6
Maintenance
& Service
3. Remove the self tapping screw which secures the
belt cover to the frame. Remove the belt cover by
pushing in on the sides of the cover to release the
plastic tabs. Pull the belt cover out from around the
engine and chute. See Figure 11.
Auger Belt
NOTE: Drain the gasoline from the snowthrower, or
place a piece of plastic under the gas cap.
1. Tip the snow thrower up and forward so that it rests
on the auger housing. Remove the belt keeper as
shown in Figure 13. Return the snow thrower to its
upright position to complete the following steps.
2. Slip the front auger belt off of the engine pulley
pushing it forward and rolling in off of the pulley. See
Figure 12.
3. Squeeze the auger control handle to release the
auger brake, which is the tab that holds the belt onto
the auger pulley. Remove the belt.
4. Replace with new belt after replacing the drive belt.
Drive Belt
NOTE: Replace the drive belt before reassembling the
new auger belt.
NOTE: Drain the gasoline from the snowthrower, or
place a piece of plastic under the gas cap.
1. Tip the snow thrower up and forward so that it rests
on the auger housing.
2. Remove the spring that connects the transmission to
a bolt on the engine frame. See Figure 13.
NOTE: It may be easier to first remove the flange lock
nut, then use needle-nosed pliers to firmly grip spring
and remove from bolt.
3. Pivot the transmission forward to release pressure on
the drive belt. Remove belt from transmission pulley.
4. Remove the drive belt from around the engine pulley,
and away from the unit.
5. Place the new drive belt into the groove on the
engine pulley. See Figure 12.
6. Tilt the transmission forward and position the drive
belt onto the transmission pulley.
7. Reconnect the spring to the bolt on the engine frame and
secure the transmission. Reinstall the flange lock nut.
8. Install new auger belt.
Figure 12
Figure 11
Plastic Tab
Figure 13
Drive
Belt
Engine
Pulley
Auger Belt
Auger
Pulley
Idler
Bracket
Drive Pulley
Belt Keeper
Drive Belt
Spring