Service Manual

Mid-Size Walk Behind Service Manual 7 - 15
MOWER DECKS
Replacing the Mower Belt (Fixed
Deck Hydro, Pistol Grips)
1. Disengage the PTO, turn the ignition key to off,
and remove the key.
2. Wait for all moving parts to stop before leaving the
operating position and then chock or block tires.
3. Remove the knobs and the belt cover on the
mower.
4. Remove the idler pulley and the belt (Figure 182).
5. Install the new mower belt.
6. Install the idler pulley.
7. Engage the blade control (PTO) lever and check
the belt tension. Refer to "Adjusting Mower Belt
Tension (Fixed Deck) - All" on page 7 - 16.
Note: Proper belt tension is 10 - 15 ft. lb. (14 - 20 N-m)
with the belt deflected 1/2 in. (13mm) halfway between
the pulleys (Figure 182).
Figure 182
m-4731-2
8. Engage the blade control (PTO) lever.
9. Check the clearance between the bell crank and
the transmission output shaft (Figure 183).
Figure 183
m-3860
Note: The clearance should be 1/16 - 1/8 in. (2 -
3mm).
10. Remove the hairpin cotter and the clevis pin from
the bell crank.
11. Rotate the clevis clockwise on the rod to increase
the clearance or counterclockwise to decrease it
(Figure 183).
(1) Idler pulley
(2) 1/2 in. (13mm deflection here)
(3) Assist arm
(4) Front stop
(1) 1/16 - 1/8 in (2 - 3mm)
(2) Bell crank
(3) Transmission output shaft
(4) Hairpin cotter
(5) Clevis pin
(6) Clevis