Troubleshooting - Gravely ZT XL Owner's/Operator's Manual

PROBLEM
Engine will not
crank/start.
Engine
runs
rough.
Unit does not move
with engine running
when using steering
levers.
PTO or mower blades
do not engage or
shuts off.
Engine overheats.

TROUBLESHOOTING

PROBABLE CAUSE
1. Safety interlock system is not engaged or
is faulty.
2. Fuel tanks empty.
3. Fuel shut-off valve closed.
4. Discharged battery.
5. Poor connection between battery and
battery cables.
6. Spark plug wire(s) loose or spark plug(s)
faulty.
7. Faulty electrical system.
8. Faulty engine.
1. Choke engaged.
2. Air filter cartridge plugged.
3. Faulty engine.
1. The transmission bypass lever is
engaged.
2. Faulty hydrostatic belt.
3. Faulty transmission.
1. Operator presence switch not depressed.
2. Faulty operator presence switch.
3. Electric clutch connector is loose or
disconnected.
4. Faulty PTO belt.
5. Faulty PTO switch, wires, connectors, or
clutch.
1. Engine oil level low.
2. Cooling system plugged.
3. Faulty engine.
1. Check safety interlock system (see Safety
Interlock System on page 10).
2. Fill fuel tanks (see FILLING FUEL TANKS
on page 12).
3. Open fuel shut-off valve.
4. Charge battery (see Charging the Battery
on page 19).
5. Tighten battery cables and/or clean
battery and battery cables (see Cleaning
Battery and Battery Cables on page 19).
6. Connect spark plug wire(s) or replace
spark plug(s). Refer to Engine Manual for
detailed instructions.
7. Contact your Gravely Dealer.
8. Contact your Gravely Dealer.
1. Disengage choke.
2. Clean or replace air filter cartridge. Refer
to Engine Manual for detailed
instructions.
3. Contact your Gravely Dealer.
1. Disengage transmission bypass lever
(see on page 14).
2. Replace hydrostatic belt (see
REPLACING HYDROSTATIC BELT on
page 21).
3. Contact your Gravely Dealer.
1. Depress operator presence switch by
sitting on seat.
2. Contact your Gravely Dealer.
3. Connect the electric clutch connector.
See REPLACING HYDROSTATIC BELT
on page 21 for the electric clutch
connector location.
4. Replace PTO belt (see REPLACING PTO
BELT on page 20).
5. Contact your Gravely Dealer.
1. Add engine oil. Refer to Engine Manual
for detailed instructions.
2. Clean cooling system. Refer to Engine
Manual for detailed instructions.
3. Contact your Gravely Dealer.
GB - 22
CORRECTION