Gravely 992217 - Troubleshooting Unit Operation Issues; Engine Not Shutting Off or PTO Issues; Unit Not Driving or Hydraulic Issues

GB - 36
Engine continues to
run when ignition key
is in the off position.
1. Ignition switch failure.
2. Ignition ground wire
disconnected (922210,
212, 213, 217).
1. Replace ignition
switch. See your
Gravely Dealer.
1. Connect ground wire to
clean metal surface.
PTO or mower blades
do not engage or shuts
off.
1. Operator presence
switch not depressed.
2. Faulty PTO switch.
1. Depress operator
presence switch by
sitting on seat.
2. See your Gravely
Dealer.
Unit does not drive.
1. Parking brake
engaged.
2. Transmission bypass
valves open.
3. Hydraulic oil level low.
4. Faulty hydraulic drive
system.
1. Disengage parking
brake.
2. Close transmission
bypass valves (see
Moving Unit Manually
on page 19).
3. Add hydraulic oil (see
Checking Hydraulic Oil
Level on page 33).
4. See your Gravely
Dealer.
TROUBLESHOOTING
PROBLEM PROBABLE CAUSE CORRECTION