MTD 660 Operator's Manual page 26

Deck Belt (38- and 42-inch Decks)
WARNING:
ignition key, set the parking brake, disconnect
the spark plug wire(s) and ground against the
engine to prevent unintended starting before
removing the cutting deck.
WARNING:
safety goggles to protect your eyes while
removing the cutting deck.
• Remove the cutting deck from the tractor (Refer to
Cutting Deck Removal on page 23, for detailed
instructions).
• Remove the belt guards (located over each spindle
pulley) by removing the self-tapping screws which
secure them in place. See Figure 31.
• Remove and replace the belt, reassemble following
the instructions in reverse order.
Deck Belts (46" Deck)
• Remove the cutting deck from the tractor (Refer to
Cutting Deck Removal on page 23, for detailed
instructions)
NOTE:
On 46-inch decks, you must also remove both
the deck stabilizer bracket and the stabilizer rod . To do
so, remove the hairpin clip which secures the stabilizer
rod to the stabilizer bracket. See Figure 32.
• After the deck is removed (and the stabilizer
bracket and rod), the upper deck belt can be simply
lifted off of the double-pulley located in the rear,
center of the cutting deck.
To remove the lower deck belt:
• Follow all steps above for removing the upper deck
belt.
• Remove the belt guards (located over each outer
spindle pulley) by removing the self-tapping screws
which secure them in place. Refer Figure 31
• Using a spring puller (MTD Part No. 732-0571)or
other suitable tool, disconnect the extension spring
from the rear of the cutting deck belt. This will
relieve tension on the lower deck belt.
• Remove the lower deck belt from around the idler
pulleys, and the three spindle pulleys.
• Reassemble new belts, following instructions in
reverse order.
Shut the engine off, remove
Always wear safety glasses or
Self-Tapping
Screws
42-inch deck Shown
Stabilizer Bracket
26
Belt Guards
Figure 31
Stabilizer Rod
Hairpin Clip
Figure 32