TROUBLESHOOTING GUIDE
| Problem |
| Cause | |
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| Machine vibrates | • | Blades are loose | |
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| • Blades are incorrectly balanced | ||
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| • | Engine is loose | |
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| 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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| • 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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| • Charging lead is disconnected | ||
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| • Fault in engine charging system | ||
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| Machine moves slowly, | • | Parking brake on | |
| unevenly, or not at all | • | Bypass valve on pump open | |
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| • Drive belt for the transmission gears slack or has come off | ||
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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 loosened | ||
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| • Blade switch is faulty or has come loose from the cable contact | ||
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| • | Fuse has blown | |
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| Hydraulic drive leaks oil | • | Damaged seals, housing, or gaskets | |
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| • Air trapped in hydraulic system | ||
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| Uneven mowing results | • | Unequal tire pressure on the 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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