Operator's Manual

20
Check front and rear axle heights
Check engine RPM (3600 max, no load)
Bent, worn, loose or plugged tines or loose tine holder
Check gear selec- tion
Depth-adjustment bolts set equally
Adjust axle height using height gauge. (Regulate tire pres- sure).
Adjust RPM using tachometer.
Unplug, tighten, or replace tines or tighten tine holder
Coring to be done in “L” (low) gear
Adjust depth bolts
Check freeplay in tine arm and crank bear- ings.
Check coring head chain tension.
Check coring head timing.
Loose coring head pivot points.
Check damper length and freeplay in bushings and bearings.
Replace bearings
Adjust chain.Adjust timing.
Tighten or replace if bent or damaged.
Make sure damper is adjusted to cor- rect specification.
Check wheel assem- blies for loose bear- ings or tire runout.
Replace bearings or tires.
Hole Quality Trouble Shooting