Not for
Reproduction
38
56
1. Park the unit on a flat, level surface such as a concrete
floor. Disengage the PTO, engage the parking brake, turn
off the ignition, and remove the ignition key.
2. Remove the mower deck drive belt. See
Mower Deck
Drive Belt Replacement
for removal instructions.
3. Disconnect the wire harness from the PTO clutch (B).
4. Loosen the hardware that secures the PTO clutch anchor
(C) to the engine deck and rotate the PTO clutch anchor
away from the slot in the PTO clutch.
5. Loosen the jam nut (D) on the spring anchor eye bolt (E).
6. Loosen the adjustment nut (F) on the spring anchor eye
bolt to release the majority of the belt tension.
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.
7. Using a 1/2” breaker bar, place the square end in the
opening in the idler arm (G) and rotate the idler arm
clockwise
, which will relieve the tension on the belt
exerted from the idler arm.
8. Slide the drive belt (H) over the edge of the stationary
idler pulley (I). Carefully release the tension on the
breaker bar.
9. Remove the old belt and replace with a new one. Make
sure that the V-side of the belt runs in the grooves of the
transmission pulleys (J), PTO clutch pulley (B), and the
adjustable idler pulley (K).
10. Carefully rotate the breaker bar
clockwise
and install the
belt on the stationary idler pulley making sure that the
back side of the belt contacts the face of stationary idler
pulley.
11. Carefully release the tension on the breaker bar.
12. Reposition the PTO clutch anchor into the slot of the PTO
clutch and tighten it’s hardware to secure it in place.
13. Turn the adjustment nut until the coil-to-coil measurement
(L) of the spring (M) equals 3-5/8" (9,2 cm).
14. Tighten the jam nut.
15. Reconnect the wire harness to the PTO clutch.
16. Re-install the mower deck drive belt. See
Mower Deck
Drive Belt
for re-installation instructions.
Parking Brake Adjustment
1. Park the machine on a flat, level surface such as a
concrete floor. Disengage the PTO, engage the parking
brake, turn the ignition to OFF, and remove the ignition
key.
2. Locate the two parking brake springs (A, Figure 57) below
the engine deck by the unit's transaxles.
57
3. Measure the distance (B) from the top of the threaded
parking brake shaft (C) to the top of the adjustment nut
(D). The measurement should equal /4" - 5/16" (0,64
cm - 0,8 cm). If not, position the adjustment nut until the
measurement equals /4" - 5/16" (0,64 cm - 0,8 cm).
4. Measure the distance (E) between the bottom of the
lower parking brake shaft (F) and the top edges of the set
collars (G). The measurement should be 3/16” (.48 cm). If
not, position the set collars until the measurement equals
3/16” (.48 cm).
Note:
If this does not correct your braking problem, see
your authorized dealer.
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