MV650SPH
WIRING DIAGRAMS
Bag Switch Circuit Schematic Diagram
TROUBLESHOOTING
Problem | Possible Cause | Solution |
Will not vacuum or has poor vacuum | · Dirty or full debris bag or filter. | · Clean debris bag and filter. Shake bag clean or |
performance. |
| wash. |
| · Nozzle height set too high or too low. | · Adjust nozzle height (see page 14). |
| · Hose kit cap missing. | · Check for hose kit cap. |
| · Clogged nozzle or exhaust. | · Unclog nozzle or exhaust (see page 5) |
| · Excessive quantity of debris. | · Allow air to feed with debris. |
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Abnormal vibration. | · Loose or out of balance impeller. | · Check impeller and replace if required. |
| · Loose engine. | · Check engine. |
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Engine will not start. | · Throttle in off position. | · Check throttle control (see page 13). |
| · Engine not in full choke position. | · Check throttle, choke position (see page 13). |
| · Out of gasoline or bad, old gasoline. | · Check gasoline. |
| · Spark Plug wire disconnected. | · Connect spark plug wire. |
| · Gas valve off. | · Turn on gas valve. |
| · Dirty air cleaner. | · Clean or replace air cleaner. Contact a qualified |
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| service person. |
| · Safety Interlock disengaged on bag plate. | · Latch the bag properly or check the bag rod to |
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| see if it is bent. |
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Engine is locked, will not pull over. | · Impeller plugged or clogged. | · Remove debris (see page 16). |
| · Engine problem. | · Contact an engine servicing dealer for engine |
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| problems. |
No | · Drive clutch not engaged | · Engage the drive clutch lever. |
| · Transmission not in gear. | · Check transmission shift control (see page 16). |
| · Drive belt worn or broken | · Check the drive belt. |
| · Drive clutch cable out of adjustment or broken. | · Check the drive clutch cable (see page 20). |
| · Spring tension too loose | · Check spring legnth (see page 20). |
| · Drive chain off the sprocket. | · Check the drive chain (see page 22). |
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Self propelled drive will not release | · Improper drive clutch cable adjustment or | · Check the drive clutch cable (see page 20). |
| cable is kinked. |
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Noisy or broken chain | · No chain lubrication. | · Lubricate chain. |
| · Chain misalignment or tension. | · Check the drive chain (see page 22). |
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Form No F082206A | 23 | Part No 840099 |
