Maintenance
12
Greasing the Bearings
The cutting unit must be lubricated regularly. Refer to
the Service Interval Chart on page 8. Grease with
No. 2 general purpose lithium base or molybdenum
base grease.
1.
Stop the engine, set the parking brake, remove
the key and disconnect the spark plug wire(s)
from the spark plug(s).
2.
Grease the fittings on the three spindle bearings
(Fig. 14).
3.
Grease the fittings on the push arms(Fig. 14).
m–3749
Figure 14
Replacing the Deck Belt
Squealing when the belt is rotating, blades slipping
when cutting grass, frayed belt edges, burn marks and
cracks are signs of a worn deck belt. Replace the deck
belt if any of these conditions are evident.
1.
Stop the engine, set the parking brake, remove
the key and disconnect the spark plug wire(s)
from the spark plug(s).
2.
Remove the PTO drive belt. Refer to Replacing
the PTO Drive Belt, on page 13.
3.
Loosen two nuts securing idler plate and move
the idler arm to relieve belt tension on the idler
pulley, then remove the worn deck belt (Fig. 15).
4.
Install the new deck belt around the spindle
pulleys, belt guide, the idler pulley, and in the
lower groove of the center spindle pulley
(Fig. 15).
5.
Using a socket and torque wrench, rotate the
idler adjusting nut until torque is 25–30 ft.–lb.
(34–41 N
D
m). Tighten two nuts.
2
1
3
m–3671
4
Figure 15
Top View
1.
Deck Belt
2.
Idler Arm
3.
Idler nuts
4.
Idler adjusting nut
6.
Reinstall the PTO drive belt. Refer to Replacing
the PTO Drive Belt, page 13.
