Toro GREENS AERATOR 09120 - Hole Quality Troubleshooting

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HOLE QUALITY TROUBLE SHOOTING
(i.e. Hole Depth, Hole Roundness or Turf Tearing)
Check front and rear
axle heights
Depth adjustment
bolts set equally
Check gear
selection
Bent, worn, loose
or plugged tines
or loose tine
holder
Check engine
RPM (3600 max.
no load)
Adjust axle height
using height gauge.
(Regulate Tire
Pressure); refer to
Check Frame Height.
Adjust depth bolts;
refer to Adjust
Coring Depth.
Coring to
be done in
L" (low) gear
Unplug, tighten,
or replace tines or
tighten tine holder
Adjust RPM using
tachometer
Check freeplay in
tine arm and crank
bearings.
Loose coring head
pivot points.
Check coring
head timing
Check coring head
chain tension
Replace bearings
Tighten or replace
if bent or damaged
Adjust timing, refer
to Coring Head
Timimg.
Adjust chain; refer
to Checking Coring
Chain.
Check wheel
assemblies for loose
bearings or tire
runout
Replace bearings
or tires
OK OK OK OK
OK OK OK OK
OK