Problem
Possible Cause
Corrective Action
1. The handlebar is raised and the
parking brake is engaged.
1. Lower the handlebar to disengage the
parking brake.
2. The hydraulic-fluid level is low.
2. Add hydraulic fluid.
3. The tow valve is open.
3. Close the tow valve.
4. The hydraulic system is damaged.
4. Contact your authorized the
manufacturer distributor.
5. An operator presence fault or other
fault is present.
5. Check for InfoCenter fault codes.
The machine does not drive.
6. The pump belt is worn or misadjusted
6. Replace a worn pump belt or adjust
belt tension.
1. A belt is worn or loose.
1. Adjust or replace the belts.
2. The clutch is worn.
2. Replace the clutch.
The coring head does not drive.
3. A switch or relay is worn.
3. Replace the switch or relay.
1. The ground is too hard.
1. Refer to Operating Tips.
The head bounces while aerating.
2. There is an issue with the relief setting.
2. There is a dynamic response of the lift
system. Adjust the system pressures;
refer to the
Service Manual
.
1. Ground calibration is no longer valid.
1. Calibrate the tine ground height.
2. The turf does not support the installed
tine quantity or selected tine spacing.
2. Adjust the tine quantity or diameter,
adjust the hole spacing, and review
Operating Tips.
The turf is tufting/tearing on entrance.
3. The clutch cannot start the coring head
quick enough in immediate-drop mode.
3. Inspect clutch for wear or damage.
Aerate using the delay-drop mode.
There is hole tufting with side eject tines.
1. The ejection window is catching on
exit.
1. Rotate the tine 45° to 90° so that it
ejects out the side. If that does not
work, try a hollow tine.
1. Check the coring head attitude.
1. Refer to the
Service Manual
for
specification.
2. The tine diameter, spacing, or quantity
is incorrect for the application.
2. Reduce the tine diameter, reduce the
number of tines per head, or increase
the hole spacing.
3. The depth is excessive.
3. Reduce the depth.
4. The hole spacing is too close.
4. Increase the hole spacing.
The turf is lifting/tearing while aerating.
5. The turf conditions (i.e., root structure)
are insufficient to resist damage.
5. Alter the aeration methods or timing.
The front of the hole is dimpled or pushed.
1. Roto-Link is in the soft position.
1. Refer to Operating Tips.
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Summary of Contents for 09960
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