Troubleshooting - Gravely 992042 19HP PM144Z Owner's/Operator's Manual

PROBLEM
Engine does not
crank.
Engine cranks but
does not start.
Battery light does not
light up when starting
engine.
Oil pressure light is
on.
Engine continues to
run when ignition key
is in the off position.
PTO or mower blades
do not engage or shut
off.
Unit does not drive.

TROUBLESHOOTING

PROBABLE CAUSE
1. PTO engaged.
2. Parking brake disengaged.
3. Loose or corroded battery cables.
4. Discharged battery.
5. Faulty starter.
1. Fuel tank empty.
2. Faulty spark plug.
3. Air cleaner is plugged or dirty.
4. Fuel filter is dirty.
5. Faulty engine.
1. Discharged battery.
1. Oil pressure is low.
1. Ignition ground wire disconnected.
2. Ignition switch failure.
1. Operator presence switch not
depressed.
2. Faulty PTO switch.
1. Parking brake engaged.
2. Transmission bypass levers open.
3. Hydraulic oil level low.
4. Faulty hydraulic drive system.
CORRECTION
1. Disengage PTO.
2. Engage parking brake.
3. Clean and tighten battery cables (see
4. Charge battery (see Charging the
5. See your Gravely Dealer.
1. Fill fuel tank (see FILLING FUEL TANK
2. Replace spark plug. Refer to Engine
3. Clean or replace air cleaner. Refer to
4. Clean or replace fuel filter. Refer to
5. Refer to Engine Manual or see your
1. Charge battery (see Charging the
1. Refer to Engine Manual.
1. Connect ground wire to clean metal
2. Replace ignition switch (see your
1. Depress operator presence switch by
2. Check the electrical system to the
1. Disengage parking brake.
2. Close transmission bypass levers (see
3. Add hydraulic oil (see Check Hydraulic
4. See your Gravely dealer.
GB - 26
Clean Battery on page 19).
Battery on page 19).
on page 14).
Manual.
Engine Manual.
Engine Manual.
Gravely Dealer.
Battery on page 19).
surface.
Gravely Dealer).
sitting on seat.
clutch for damage or wear. See your
Gravely Dealer.
MOVING THE UNIT WITH THE
ENGINE OFF on page 15).
Fluid Level on page 17).