belt guide. Pull the length of the belt towards the left hand
spindle pulley. Carefully release the tension on the breaker
bar.
8. Verify that the V-side of the belt runs in the grooves of the
right hand side and center spindle pulleys and the PTO
clutch pulley. Verify that the back side of the pulley contacts
the face of the adjustable idler pulley, front stationary idler
pulleys, and the rear stationary idler pulley. Verify that the
belt is correctly routed through the belt guides.
9. Rotate the idler arm clockwise and install the belt on the
left hand spindle pulley.
10. Carefully release the tension on the breaker bar.
11. Measure the coil-to-coil length (A, Figure 68) of the mower
deck belt tensioning spring (B). The measurement should
equal 12-1/2" (32 cm). If not, loosen the jam nut (C) on the
eye bolt (D).
68
12. Turn the adjustment nut (E) until the measurement is
achieved. Re-tighten the jam nut.
13. Re-install the mower deck guards and the floor pan.
14. Run the mower under no-load condition for about five (5)
minutes to break in the new belt
Long Left Hand Deck Belt Replacement
NOTICE
To avoid damaging belts, do not pry over pulleys.
1. Park the unit on a smooth level surface such as a concrete
floor. Disengage the PTO, engage the parking brake, turn
the ignition switch to OFF, and remove the ignition key.
2. Lower the mower deck to it’s lowest cutting position and
remove the mower deck guards and floor pan to gain access
to the mower deck drive belts.
WARNING
Use extreme caution when rotating the idler arm with the
breaker bar, due to the increased tension in the spring as the
idler arm is being rotated. Injury may result if the breaker bar
is prematurely released while the spring is under tension.
3. Using a 1/2" breaker bar (A, Figure 69) place the square
end in the opening in the PTO clutch drive idler arm (B) and
rotate the idler arm clockwise, which will relieve tension
on the belt exerted from the idler arm. Remove the belt from
the left hand side spindle pulley (C). Carefully release the
tension on the breaker bar.
69
4. Remove the long left hand belt (D) from the adjustable idler
pulley (E) and it’s belt guide (F).
5. Remove the old long left hand belt from the PTO clutch
pulley (G) and the top groove of the center spindle pulley
(H).
6. Install the new long left hand belt onto the PTO clutch pulley
and the center spindle pulley.
7. Install the long left hand belt into the belt guide on the
adjustable idler pulley.
8. Verify that the V-side of the belt runs in the pulley grooves
of the center spindle pulley and the PTO clutch pulley. Make
sure that the back side of the belt contacts the face of the
adjustable idler pulley. Make sure that the belt is correctly
routed in the belt guides (F & I).
9. Using a 1/2" breaker bar place the square end in the
opening in the PTO clutch drive idler arm and rotate the
idler arm clockwise, which will relieve tension on the belt
exerted from the idler arm. Install the long left hand belt
onto the left hand spindle pulley. Carefully release the
tension on the breaker bar.
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