TROUBLESHOOTING
Problem |
| Cause | |
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Engine seems weak | • | Clogged air filter | |
| • | Fouled spark plugs | |
| • | Carburetor incorrectly adjusted | |
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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 | |
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Battery not charging | • | Poor contact with battery terminal cable connectors | |
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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 | ||
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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 | ||
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| from the cable contact | |
| • | Fuse has blown | |
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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 | ||
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Machine vibrates | • | Blades are loose | |
| • Blades are incorrectly balanced | ||
| • | Engine is loose | |
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