Service; Belt Replacement - MTD 450 Serie Manual Del Operador

Service

NOTE: This Operator's Manual covers several models. Garden
tiller features may vary by model. Not all features in this manual
are applicable to all garden tiller models and the garden tiller
depicted may differ from yours.

Belt Replacement

Your tiller has been engineered with a belt designed for long
life and optimal performance. It should never be replaced with
a non-OEM belt. Order all belts through an authorized service
dealer or by contacting Customer Support as instructed on page
2.
1. Disconnect and ground the spark plug wire against the
engine.
2. Remove the belt cover from the left side of the tiller by
removing the two screws from the top of the belt cover.
See Figure 7-1.
Screws
Screw
Nut and washer
Figure 7-1
3. Remove the nut and washer from the front side of the belt
cover. Remove the hex head screw at the back of the cover.
See Figure 7-1.
4. Remove the belt keeper assembly located behind the
engine pulley by removing the two hex bolts and lock
washers.. See Figure 7-2.
Belt
Belt Keeper
Engine Pulley
Figure 7-2
5. Remove the idler pulley by removing the bolt and nut. See
Figure 7-2.
6. Remove the old belt and install the new belt. Follow the
instructions in reverse order to re-install the belt keeper
and belt cover. See Figure 7-2.
NOTE: Upon reassembly, make certain the belt is routed over the
idler pulley and inside of belt keepers by the engine pulley.
7
Idler Pulley
15