Gravely 994149, Operator'S Manual

Page: 36 / 44

EN - 34
TROUBLESHOOTING
Problem Probable Cause Correction
Engine does not
crank.
PTO engaged. Disengage PTO.
Parking brake disengaged. Engage parking brake.
Loose or corroded battery
cables. Clean and tighten battery cables. See
Clean Battery on page 24.
Discharged battery. Charge battery. See Charge Battery on
page 24.
Faulty starter. See your Gravely Dealer.
Blown fuse. Check main fuse and replace if necessary.
Failed relay. Check relays in fuse block and replace if
necessary
Loose or broken wires. Check wire harness and connections.
Weak battery. Check voltage and charge if required. See
Charge Battery on page 24.
Engine cranks but
does not start.
Fuel tank empty. Fill fuel tank. See Before Operation on
page 16.
Faulty spark plug. Replace spark plug. Refer to Engine
Manual.
Air cleaner is plugged or
dirty. Clean or replace air cleaner. Refer to
Engine Manual.
Fuel filter is dirty. Clean or replace fuel filter. Refer to Engine
Manual.
Faulty engine. Refer to Engine Manual or see your
Gravely Dealer.
Weak battery. Check voltage and charge if required. See
Charge Battery on page 24.
Oil pressure light
is on. Oil pressure is low. Refer to Engine Manual.
Engine continues
to run when
ignition key is in
the off position.
Ignition ground wire
disconnected. Connect ground wire to clean metal
surface.
Ignition switch failure. Replace ignition switch. See your Gravely
Dealer.
PTO or mower
blades do not
engage or shut off.
Operator presence switch
not depressed. Depress operator presence switch by
holding down right steering control handle.
Faulty PTO switch. Check the electrical system to the clutch
for damage or wear. See your Gravely
Dealer.
Unit does not
drive.
Parking brake engaged. Disengage parking brake.
Transmission bypass levers
open. Close transmission bypass levers. See
Move Unit Manually on page 18.
Hydraulic oil level low. Add hydraulic oil. See Check Hydraulic Oil
Level on page 20.
Faulty hydraulic drive
system. See your Gravely dealer.
Blades do not stop
within 7 seconds.
Clutch brake plates worn. Reverse clutch brake plates. See Reverse
Clutch Brake Plates on page 33. If clutch
brake plates have already been reversed,
replace clutch.