GB - 22
PTO or mower blades
do not engage or shuts
off.
1. Operator presence switch not depressed.
1. Depress operator presence switch by
sitting on seat.
2. Faulty operator presence switch.
2. Contact your Gravely Dealer.
3. Electric clutch connector is loose or
disconnected.
3. Connect the electric clutch connector.
See REPLACING HYDROSTATIC BELT
on page 20 for the electric clutch
connector location.
4. Faulty PTO belt.
4. Replace PTO belt (see REPLACING PTO
5. Faulty PTO switch, wires, connectors, or
clutch.
5. Contact your Gravely Dealer.
Engine overheats.
1. Engine oil level low.
1. Add engine oil. Refer to Engine Manual
for detailed instructions.
2. Cooling system plugged.
2. Clean cooling system. Refer to Engine
Manual for detailed instructions.
3. Faulty engine.
3. Contact your Gravely Dealer.
Unit moves with engine
off and parking brake
engaged.
1. The parking brake needs adjustment.
1. Contact your Gravely Dealer.
2. Faulty parking brake.
2. Contact your Gravely Dealer.
Unit does not travel in a
straight line.
1. Incorrect tire pressure.
1. Check tire pressure (see
.
2. Steering levers need adjustment.
2. Adjust steering levers (see Forward and
Reverse Speed Adjustment on page 19)
3. Hydrostatic transmission and/or linkage
needs adjustment.
3. Contact your Gravely Dealer.
Unit creeps with
steering levers in
neutral position.
1. Hydrostatic transmission and/or linkage
needs adjustment.
1. Contact your Gravely Dealer.
Poor cutting quality.
1. Mower deck not level or mower pitch is
incorrect.
1. Level and adjust pitch of mower deck
(see LEVELLING AND ADJUSTING
PITCH OF MOWER DECK on page 15).
2. Dull or faulty mower blades.
2. Sharpen mower blades (see
SHARPENING MOWER BLADE on
page 17) or replace mower blades (see
REPLACING MOWER BLADE on
page 16).
PROBLEM
PROBABLE CAUSE
CORRECTION
