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•
Remove the belt guards by removing the self-
tapping screws that fasten them to the deck.
•
To ease in removing the belt in later steps, loosen,
but do not remove, the bolt which secures the
pivoting idler pulley to the idler bracket.
See Figure 21.
Pivoting Idler Pulley
Idler Bracket
Spring
Figure 21
Electric PTO Clutch
Pivoting Idler Pulley
Right Hand Pulley
(beneath belt guard)
Changing the Transmission Drive Belts
Several components must be removed and special
tools (i.e. air/impact wrench) in order to change the
tractor's drive belts. See an authorized MTD Service
Dealer to have your drive belts replaced or phone
Customer Support as instructed on page 2 for
information on ordering an MTD Service Manual.
Belt Guard
3/8" Square Hole
Idler Bracket
Right Hand Pulley
(beneath belt guard)
Grease Fitting
Figure 22
23
•
Insert a 3/8"-drive ratchet wrench (set to tighten)
into the square hole found in the idler bracket on
the left side of the deck's surface. See Figure 21.
•
Grasp the ratchet's handle and pivot it toward the
tractor's right side to relieve tension on the belt.
•
With belt tension relieved, carefully remove the
belt from around the left-hand spindle pulley.
WARNING:
pinching injury. Do not place your fingers on
the idler spring or between the belt and a
pulley while removing the belt.
Carefully allow the ratchet to pivot
IMPORTANT:
rearward before removing it from the square hole.
•
Remove the belt from around all pulleys, including
the deck idler pulley.
•
Route the new belt as shown in and Figure 22.
•
Remount the belt guards removed earlier.
Fixed Idler Pulley
Self-Tapping Screws
Hydrostatic Transmission
The hydrostatic transmission is sealed at the factory
and is maintenance free. The fluid level cannot be
checked nor can the oil be changed. Always keep the
area around the transmission cooling fan free of grass
and debris at all times.
Avoid the possibility of a
50-inch Decks
Deck / PTO Belt
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