TROUBLE SHOOTING GUIDE
Problem | Cause | |
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The engine seems weak. | • | Clogged air filter. |
| • | Defective spark plugs. |
| • | Carburetor incorrectly adjusted. |
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The 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. | |
| • | Defective spark plugs. |
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Battery not charging. | • | Poor contact with battery terminal cable |
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| connectors. |
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The machine moves slowly, unevenly, | • | Parking brake on. |
or not at all. | • Bypass valve on pump open. | |
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| • Drive belt for the pump slack or has come off. | |
| • | Defective hydraulic system. |
| • Air in the hydraulic system. | |
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Mower deck not engaging. | • | Drive belt for the mower deck has come loose. |
| • Contact for the electromagnetic coupling | |
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| has loosened. |
| • The blade switch is faulty or has come loose | |
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| from the cable contact. |
| • The fuse has blown. | |
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Uneven mowing results. | • | Different air pressure in the tires on the left and |
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| light sides. |
| • | Bent blades. |
| • The chains for suspending the mower deck are | |
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| uneven. |
| • The chain fixture has come loose. | |
| • The blades are blunt. | |
| • Driving speed too high. | |
| • The grass is too long. | |
| • Grass collected under the mower deck. | |
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The machine vibrates. | • | The blades are loose. |
| • The blades are incorrectly balanced. | |
| • The engine is loose. | |
