Toro 09501 Operator's Manual page 11

INCREASING HOLE
SPACING
Optimum vehicle speed
(Bold Print))
DECREASING HOLE
SPACING
Important: Driver and driven gears selected must combine
to add up to 70.
Gear Installation:
1. Remove the pick-off gear case cover (Fig. 4).
2. Remove the lynch pins securing the driver and driven gears
and slide the gears off the shafts (Fig. 5).
3. Install the driver and driven gears matching the chart time
and secure with lynch pins (Fig. 5).
Note: The number of gear teeth is stamped on each gear.
4. Install the gear case cover. Make sure the machine covers
are in place and verify the aerator/tractor timing.
Verifying Timing:
1. Raise the coring head, set the parking brake, stop engine
and lower the coring head supports (Fig. 7).
2. With the tractor at proper settings, operate the aerator a
short distance, then raise the coring head, disengage the
PTO and stop the tractor. Set the parking brake, lower the
coring head onto supports (Fig. 7) and stop the engine.
GEARS
m Driver
Sec./30.5
42.3 30
39.9 31
37.7 32
35.5 33
33.6 34
31.7 35
30.0 36
28.3 37
26.7 38
25.2 39
23.8 40
Driven
40
39
38
37
36
35
34
33
32
31
30
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