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MVSPEU Owner's Manual
TROUBLESHOOTING
Problem
Will not vacuum or has poor
vacuum performance
Abnormal vibration
Engine will not start
Engine is locked, will not pull over Impeller plugged or clogged.
No self-propelling
Self propelled drive will not
release
Noisy or broken chain
Part No 840286
Possible Cause
Dirty or full debris bag or filter.
Nozzle height set too high or too low.
Hose kit cap missing.
Clogged nozzle or exhaust.
Excessive quantity of debris.
Loose or out of balance impeller.
Loose engine.
Throttle in off position.
Engine not in full choke position.
Out of gasoline or bad, old gasoline.
Spark Plug wire disconnected.
Gas valve off.
Dirty air cleaner.
Safety Interlock disengaged on bag
plate.
Engine problem.
Drive clutch not engaged.
Transmission not in gear.
Drive belt worn or broken.
Drive clutch cable out of adjustment or
broken.
Spring tension too loose.
Drive chain off the sprocket.
Improper drive clutch cable adjustment
or cable is kinked.
No chain lubrication.
Chain misalignment or tension.
14
Solution
Clean debris bag and filter. Shake bag
clean or wash.
Adjust nozzle height (see page 8).
Check for hose kit cap.
Unclog nozzle or exhaust (see page 8).
Allow air to feed with debris.
Check impeller and replace if required.
Check engine.
Check throttle control (see page 7).
Check throttle, choke position (see page 7).
Check gasoline.
Connect spark plug wire.
Turn on gas valve.
Clean or replace air cleaner. Contact a
qualified service person.
Latch the bag properly or check the bag rod
to see if it is bent.
Remove debris (see page 8).
Contact an engine servicing dealer for
engine problems.
Engage the drive clutch lever.
Check transmission shift control (see page
8).
Check the drive belt.
Check the drive clutch cable (see page 11).
Check spring length (see page 11).
Check the drive chain (see page 13).
Check the drive clutch cable (see page 20).
Lubricate chain.
Check the drive chain (see page 22).
840286_B_HI
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