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