47
PTO or mower blades do not
engage or shuts off.
1. Operator presence switch not
depressed.
2. Eye-Q alarm setting is turned
on.
3. The Eye-Q circuitry senses an
overload to the PTO clutch and
is shutting off the PTO switch.
4. Faulty PTO switch.
1. Depress operator presence
switch by sitting on seat.
2. Turn off the alarm that
deactivates the PTO on a regular
schedule. See the Owner’s
Manual.
3. Check the mower deck for
clogging or debris. Check the
electrical system to the clutch for
damage or wear.
4. See your Gravely Dealer.
Unit does not drive.
1. Parking brake engaged.
2. Transmission bypass levers
open.
3. Hydraulic oil level low.
4. Faulty hydraulic drive system.
1. Disengage parking brake.
2. Close transmission bypass
levers (see Moving Unit Manually
on page 16).
3. Add hydraulic oil (see Checking
Hydraulic Oil Level on page 30).
4. See your Gravely dealer.
TROUBLESHOOTING
PROBLEM
PROBABLE CAUSE
CORRECTION