37
3.
Loosen the jam nuts on each adjusting shaft to loosen
the tension on the drive belt.
m–2541
1
2
Figure 48
1. Jam Nuts
2. Adjusting Shaft
4.
Remove the worn drive belt (Fig. 49).
5.
Install the new drive belt onto the traction unit drive
pulley and the top groove of the center spindle pulley
(Fig. 49).
1
2
3
4
m-4125
Figure 49
1. Belt Guide (2)
2. Traction Unit Drive Pulley
3. Drive Belt
4. Center Spindle Pulley
6.
Tighten the jam nuts on the adjusting shafts until the
springs are compressed to a length of 5 inches (12.7 cm)
(Fig 50).
1
2
m–2541
Figure 50
1. 5” between the Spacer
and Bushing
2. Jam Nuts
7.
Reinstall the deck cover onto the cutting unit, then
reinstall and tighten the screws.
Adjusting the Electric Clutch
The clutch is adjustable to ensure proper engagement and
proper braking. Check adjustment after every 100 hours of
operation.
1.
To adjust clutch, tighten or loosen lock nuts on flange
studs (Fig. 51).
2.
Check adjustment by inserting feeler gauge through
slots next to studs (Fig. 51).
3.
The proper disengaged clearance between the clutch
plates is .012–.024 in. (0.30-0.60 mm). It will be
necessary to check this clearance at each of the three
slots to ensure the plates are parallel to each other.
m–2600
1
2
3
Figure 51
1. Adjusting nut
2. Slot
3. Feeler gauge
