Ariens ProZoom 99480600-1952S Owner's/Operator's Manual page 35

If
Engine Runs Rough or
Stalls
Engine Knocks
Engine Overheats
Engine Lacks Power
Engine Uses Too Much Oil
Engine Backfires Through
Muffler
High Fuel Consumption
Check
• Plugged fuel filter.
• Plugged air intake system.
• Fuel cap vent dirty.
• Stale or improper fuel/fuel
level.
• Spark plugs not gapped
correctly.
• Replace spark plugs.
• Choke adjusted incorrectly.
See your authorized dealer.
• Engine oil level low.
• Reduce toad. (Slower ground
speed.)
• Fuel is bad. Fill tank with fresh
fuel, correct octane.
• Idle speed too slow.
• Clean cooling fins.
• Low oil level.
• Do not operate at slow idle.
Operate at fast idle.
• Cooling air intake screen is
dirty.
• Plugged carburetor air intake
filter.
• Plugged air intake filter.
• Operating at too fast ground
speed for conditions.
• Reduce toad.
• Plugged air intake system.
• Plugged fuel filter.
• Improper type of fuel. Drain
tank and fill with correct fuel.
• Clean cooling fins to help
prevent overheating.
• Replace spark plugs.
• Find and correct oil leaks.
• Incorrect engine oil.
• Plugged oil filter.
• Plugged air intake filter.
• Worn engine components.
Throttle lever should be at low
idle for thirty seconds before
turning off machine.
• Improper type of fuel.
• Plugged air intake system.
• Operating at too fast ground
speed for conditions.
• Impropervalve clearance. See
your authorized dealer.
• Restricted air intake system.
If Check
Other Symptoms • See engine manufacturer's
owner's manual provided with
your machine for additional
information.
Electrical System
If Check
Starter Will Not Work
Battery Will Not Charge
• Blown fuse.
• Park brake switch is faulty.
• OPC Switch faulty or not
adjusted properly.
• Loose or corroded battery
connections.
• Neutral switches faulty or not
adjusted properly. See your
authorized dealer.
• Key switch or starter faulty.
See your authorized dealer.
• PTO engaged.
• Motion control levers and park
brake lever not in proper
position.
• Loose or corroded
connections.
• Blown fuse or fusible link. See
your authorized dealer.
PTO Switch Does Not • Blown fuse.
Work • PTO switch faulty.
Starter Turns Slowly • Loose or corroded battery
connections.
Low battery power-charge
battery.
Engine oil viscosity too heavy.
Hydraulic pump linkage out of
adjustment-pumps engaged.
GB - 35