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EN - 36
TROUBLESHOOTING
Problem
Probable Cause
Correction
Engine does not
start.
PTO switch is in the on position.
Push PTO switch down to off
position.
Parking brake is released.
Engage parking brake.
Drive control grip is not in the
neutral position.
Return drive control grip to neutral.
Engine is cold.
Pull choke knob out to the on
position. See
Fuel tank is empty.
Fill fuel tank. See
Fuel supply is contaminated.
Replace with clean fuel.
Battery is not charged.
Charge battery. See
Battery cables are loose or
corroded.
Clean and tighten cables. See
Spark plug wire(s) are loose or
spark plug(s) are faulty.
Connect spark plug wire(s) or
replace spark plug(s). Refer to
engine manual.
Safety interlock system is not
engaged or is faulty.
Check safety interlock system. See
Electrical system is faulty.
Contact your Gravely dealer.
Engine is faulty.
Contact your Gravely dealer.
Engine runs rough.
Choke control knob is in on
position.
Move knob to off position.
Fuel tank is empty.
Fill fuel tank. See
Spark plug is faulty.
Replace spark plug. Refer to engine
manual.
Fuel filter is dirty.
Clean or replace filter. Refer to
engine manual.
Air filter cartridge is plugged.
Clean or replace air filter cartridge.
Refer to engine manual.
Engine is faulty.
Contact your Gravely dealer.
Engine overheats.
Engine oil level is low.
Add engine oil. Refer to engine
manual.
Cooling fins are plugged.
Clean engine. Refer to engine
manual.
Engine is faulty.
Contact your Gravely dealer.
Engine runs when
ignition key is in the
off position.
Ignition ground wire is
disconnected.
Connect ground wire to clean, metal
surface.
Ignition switch is faulty.
See your Gravely dealer.