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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.
Belt Guard
Pivoting Idler Pulley
Idler Bracket
_-_
pring
_Joo_
iiiiiiiiiiii!i::i!J
_
3/8" Square Hole
Figure 21
•
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:
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.
IMPORTANT:Carefully allow the ratchet to pivot
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.
Electric PTO Clutch
Pivoting Idler Pulley
Fixed Idler Pulley
50-inchDecks
Deck / PTO Belt
Idler Bracket
Right Hand Pulley
(beneath belt guard)
Grease Fitting
_ing Screws
Figure 22
Changing theTransmission D riveBelts
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
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.
23
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