Problem / Cause
TROUBLESHOOTING
Engine overheats
Clogged air intake or cooling fins
Engine overloaded
Poor ventilation around engine
Defective engine speed regulator
Soot in the combustion chamber
Too little or no oil in the engine
Fouled spark plug
Battery not charging
•
Poor contact with battery terminal cable connectors
Machine moves slowly, unevenly, or not at all
•
Parking brake on
•
Hydraulic pump bypass linkage engaged
•
Drive belt for the transmission
gears slack or has come off
•
Defective hydraulic system
•
Air in hydraulic system
Mower deck not engaging
•
Drive belt for the mower deck has come loose
•
Contact for the electromagnetic
coupling has loosened
•
Blade switch is faulty or has come loose from the cable contact
•
Fuse has blown
Uneven mowing results
Different air pressure in the tires on left and right sides
Bent blades
Suspension for the mower deck is uneven
Blades are dull
Driving speed too high
Grass is too long
Grass collected
under the mower deck
Machine vibrates
•
Blades are loose
•
Blades are incorrectly balanced
•
Engine is loose
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