2. Stop the engine and wait for all moving parts to stop
before leaving the operating position.
3. Raise the rear of the machine and hold it up with
jack stands.
4. Remove the mower belt; refer to Replacing the
Mower Belt (Figure 33).
Figure 33
1.
Idler pulley in slot
4.
Belt guide
2.
Traction belt
5.
3/4 inch (19 mm)
3.
Mower belt
6.
Mower belt
5. Loosen the pivot bolt enough to slide the idler pulley
in the slot and remove the traction belt from the
engine and the drive pulleys (Figure 33).
6. Install the new drive belt around the engine and the
drive pulleys (Figure 33).
7. Slide the idler pulley in the engine frame to tension
the traction belt (Figure 33).
8. Install the mower belt (Figure 33).
9. Check the belt guide under the engine frame for the
proper adjustment (Figure 33).
Note:
The distance between the belt guide and
mower belt should be 3/4 inch (19 mm) when the
mower belt is engaged. Adjust the belt if necessary.
The disengaged belt should not drag or fall off the
pulley when the guides are properly adjusted.
Replacing the Mower Belt
1. Disengage the blade control (PTO) lever and set the
parking brakes.
2. Stop the engine and wait for all moving parts to stop
before leaving the operating position.
3. Remove the knobs and the belt cover on the mower.
4. Remove the idler pulley and the worn belt (Figure 34).
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 the Mower Belt
Tension.
Note:
The proper mower belt tension is 10-15 lbf.
(44-67 N) with the belt deflected 1/2 inch (13 mm)
halfway between the pulleys (Figure 34).
Figure 34
1.
Mower belt with 1/2 inch
(13mm) deflection
2.
Idler pulley
8. Engage the blade control (PTO) lever.
9. Check the clearance between the bell crank and the
transmission output shaft (Figure 35).
Figure 35
1.
1/16-1/8 inch (2-3 mm)
4.
Hairpin cotter
2.
Bell crank
5.
Clevis pin
3.
Transmission output shaft
6.
Clevis
Note:
The clearance should be 1/16—1/8 inch
(2-3 mm).
10. Remove the hairpin cotter and the clevis pin from
the bell crank.
32
Summary of Contents for 39692
Page 6: ...Slope Chart 6 ...
Page 40: ...Schematics Electrical Schematic Rev 40 ...
Page 41: ...Notes 41 ...
Page 42: ...Notes 42 ...
Page 43: ...Notes 43 ...
