Maintenance
62
Replacing
the PT
O Drive Belt
Squealing when the belt is rotating, blades slipping
when cutting grass, frayed belt edges, burn marks and
cracks are signs of a worn drive belt. Replace the
PTO drive 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 clutch retaining strap from machine
frame and unplug clutch terminal from wire
harness (Fig. 52).
3. Remove the PTO drive belt (Fig. 52).
4. Place new PTO drive belt over clutch, around
rear idler pulleys and onto mower top center
pulley.
Note: Check that belt has only 1/4 twist
between each pulley and idler.
5. Install clutch retaining strap and plug clutch
terminal into main wire harness (Fig. 52).
1
4
m–3748
M-4373
3
2
5
Figure 52
1. Clutch
2. Clutch
retaining strap
3.
clutch T
erminal
4. PT
O belt
5.
Machine Frame
6. Check belt tension. The center bolt of spring
loaded idler must be between the two alignment
holes in left support plate (Fig 53).
Note: Check position of center bolt in Low
Height of Cut. The center bolt must be
at or below the top alignment hole.
Check position of center bolt in a High
Height of Cut. The center bolt must be
at or above the lower adjustment hole
(Fig 53).
1
2
M-4417
Figure 53
1. Center
bolt, spring loaded
idler
2.
Alignment hole
7. If adjustment is required, loosen the fixed idler
on right support plate and move up or down in
adjustment slot. To relieve belt tension lift up on
spring loaded idler.
m–3746
12
Figure 54
1. Fixed
Idler
2.
Adjustment slot
8. Check belt tension again. The center bolt of
spring loaded idler must be between the two
alignment holes in left support plate (Fig 53).
Adjust, if necessary, and tighten all hardware
securely.
To Next Page
Loading...