MTD 13AO771H055 Operator's Manual page 26

4.
f
On the 42-inch deck only, loosen but do not remove, the idler
pulley nuts. This will enable the belt to be easily removed from
the idler pulleys. See Fig. 7-7 on the next page.
idler pulleys
k.
Figure 7-7
WARNING! Avoid the possibility of a pinching
injury. Do not place your fingers on the idler spring
or between the belt and a pulley while removing the
belt.
5. Remove the deck belt from around all pulleys, including
the deck idler pulley.
6. Route the new belt as shown in and Fig. 7-8, 7-9 or 7-10,
depending on your specific sized deck.
7. Remount the belt guards removed earlier.
(::hanging t he LowerDeckBelt (46"Decks)
NOTE: Several components must be removed in order to change
the tractor's lower deck belt. See an authorized MTD Service
Dealer to have your lower drive belt replaced or phone Customer
Support as instructed on page 2 for information on ordering a
Service Manual.
(::hanging t he Transmission DriveBelt
NOTE: Several components must be removed and special tools
(i.e. air/impact wrench) in order to change the tractor's drive belt.
See an authorized MTD Service Dealer to have your drive belt
replaced or phone Customer Support as instructed on page 2 for
information on ordering a Service Manual.
38-inchDeck
©
Idler Bracket
Deck Idler Pulley
Figure 7-8
SECTION 7--
SERVICE