TROUBLESHOOTING GUIDE
Problem |
| Cause |
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Machine vibrates | • | Blades are loose |
| • Blades are incorrectly balanced | |
| • | Engine is loose |
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Engine overheats | • | Clogged air intake or cooling fins |
| • | Engine overloaded |
| • Poor ventilation around engine | |
| • Defective engine speed regulator | |
| • 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 |
| • Charging lead is disconnected | |
| • 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 | |
| • 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 from the cable contact | |
| • | Fuse has blown |
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Hydraulic drive leaks oil | • | Damaged seals, housing, or gaskets |
| • Air trapped in hydraulic system | |
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Uneven mowing results | • | Unequal tire pressure on the 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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