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Replacing the Deck Belt
1.
Set the parking brake. Remove ignition
key and both spark plug caps.
2.
Remove the PTO belt (refer to
Deck Removal).
3.
To remove the belt covers (a), remove
the wing knobs (b) from the carriage
screws (c) securing it to the deck. See
Figure 4-21.
(a)
(c)
(b)
Figure 4-21
4.
The speed nut should hold the carriage
screw (c) and tab bolt in place, if not
re-install as shown in Figure 4-21.
5.
Using a 1/2" drive insert the end into
the 1/2" square opening in the deck
idler assembly (a) and rotate the deck
idler assembly (a) clockwise. See Figure
4-22. While holding the deck idler
assembly (a), loosen the deck belt from
the pulley and slide the belt away from
the pulley.
(a)
Figure 4-22
WARNING
Avoid pinching injuries. Never place your fingers on
the idler spring or between the belt and a pulley while
removing the belt.
6.
Route the new belt as shown in Figure
4-22. Then reinstall the deck and
PTO belt.
Replacing the Drive Belt
WARNING
Before performing any maintenance, disengage the
PTO, engage the parking brake lever, turn the ignition
key to the OFF position, and remove the key from the
switch. Muffler and engine become hot and can cause
a burn. Allow the machine to cool at least 5 minutes
before servicing.
1.
Remove PTO belt from clutch only, refer
to Deck Removal for releasing tension
on PTO belt.
30
S
4 — P
ection
roduct
2.
Release tension off of idler by removing
spring from idler arm. See (a) in
Figure 4-23.
The spring is under tension due to the weight of the
deck. Be careful when removing, may cause personal
injury. Wear gloves and safety glasses.
Hydro Transmissions Not Shown For Clarity
(b)
(c)
View Shown
from Under
Mower
Looking Up
(c)
3.
Rotate idler arm out of the way of the
PTO belt. See (b) in Figure 4-23.
4.
Remove anti-rotation bracket from
frame by loosening the two nuts
securing it to the deck. See (c) in
Figure 4-23.
5.
Unplug electrical connector from
clutch housing. Allow to hang free for
reinstallation later in these instructions.
See Figure 4-24.
6.
Remove existing drive belt.
7.
Route new belt up around clutch
and engine idler pulley as shown in
Figure 4-23.
8.
Reinstall the electrical connector, anti-
rotation bracket, idler arm and PTO belt
by reversing Steps 1-5.
Replacing the Blades
Before performing any maintenance, disengage the PTO,
engage the parking brake lever, turn the ignition key to
the OFF position, and remove the key from the switch.
Protect your hands by using heavy gloves when handling
the blades. When servicing the mower deck, be careful
not to cut yourself on the sharpened blades.
c
are
WARNING
(b)
(a)
Figure 4-23
Figure 4-24
WARNING
1.
Remove the deck as instructed in the
Deck Removal section.
2.
For easier access, flip the deck over,
then jack up the front of the deck about
one foot and block it in that position.
To remove the blade:
1.
Secure the blade from turning counter-
clockwise during service by placing a
block of wood between the blade and
the deck housing, see Figure 4-25, or
wrap a rag around one end of the blade
and grasp the blade firmly.
Figure 4-25
2.
Remove the flange lock nut (a) and flat
washer (b) from the spindle shaft and
remove the blade (c). See Figure 4-26.
(a)
(b)
(c)
Figure 4-26
To replace or reinstall the blade:
1.
Put the blade in place on the spindle
shaft. Be sure to install the blade with
the side marked "Bottom", "Grass
Side" or with a part number stamped
facing the ground when the deck is
reinstalled on the mower and in the
operating position.
2.
Carefully place the flat washer on the
spindle shaft. Be sure that the splines
at the base of the spindle shaft threads
line up with the washer splines. See
Figure 4-27.
Figure 4-27
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