Ariens HVZ 915085-2350 Service Manual Page 31

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  • Table of contents
  • TROUBLESHOOTING
  • BOOKMARKS
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Will Not Accelerate Plugged air filter Clean or replace air filter
Air bleed restricted Remove obstruction
Plugged tank or vent Remove obstruction
Fuel pickup restricted Remove obstruction
Damaged adjustment needle and seat Replace needle and seat
Incorrect float height Adjust float
Main nozzle restricted Remove obstruction
Over Rich Acceleration Plugged air filter Clean or replace air filter
Incorrect float height Adjust float
Hesitates Leaky carburetor gasket Replace gasket
Air bleed restricted Remove obstruction
Plugged tank or vent Remove obstruction
Fuel pickup restricted Remove obstruction
Main nozzle restricted Remove obstruction
Will Not Run at High
Speed
Plugged air filter Clean or replace air filter
Plugged tank or vent Remove obstruction
Damaged adjustment needle and seat Replace needle and seat
Main nozzle restricted Remove obstruction
Low Power Plugged air filter Clean or replace air filter
Throttle or choke shaft worn Replace shaft
Plugged tank or vent Remove obstruction
Damaged adjustment needle and seat Replace needle and seat
Incorrect float height Adjust float
Main nozzle restricted Remove obstruction
Dirty, stuck needle and seat Clean needle and seat
Fuel inlet plugged Remove obstruction
Hunts at High Speed Throttle or choke shaft worn Replace shaft
Air bleed restricted Remove obstruction
Damaged or “leaky” O-rings Replace O-rings
Fuel pickup restricted Remove obstruction
Damaged adjustment needle and seat Replace needle and seat
Incorrect float height Adjust float
Main nozzle restricted Remove obstruction
Main nozzle restricted Remove obstruction
Fuel inlet plugged Remove obstruction
Runs With Needle
Closed
Damaged adjustment needle and seat Replace needle and seat
Engine Overspeeds Leaky carburetor gasket Replace gasket
Throttle or choke shaft worn Replace shaft
Damaged or "leaky" O-rings Replace O-rings
Damaged adjustment needle and seat Replace needle and seat
FUEL SYSTEM TROUBLESHOOTING
Problem Possible Cause Corrective Action
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