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IF CHECK
Loose hose connection at fuel
lter or fuel pump.
Engine Overheats Engine air intake screen
plugged.
Cooling ns plugged.
Engine oil low or too high.
Engine operated too long at a
slow idle speed.
Engine Will Not Idle Spark plug not gapped correctly.
Faulty spark plug.
Operator raising off the seat.
Engine Knocks Stale or low octane fuel.
Engine overloaded.
Low engine speed.
Oil level low.
Engine Stops Or Misses When
Operating On Hillsides
Fuel tank less than half full of
fuel.
Operator raising off of the seat.
Engine Backres Faulty spark plug.
Operator raising off of the seat.
Engine Loses Power Engine overheating.
Too much oil in engine.
Dirty air cleaner.
Faulty spark plug.
Travel speed is too fast for
conditions.
Improper fuel.
Excessive Fuel Consumption Choke is not fully open.
Black Exhaust Smoke Air lter is dirty or oil soaked.
TH84124,0000246-19-06JUL15
Electrical
IF CHECK
Starter Does Not Work Or Will
Not Turn Engine
Park brake not locked.
Mower is engaged.
Battery terminals are corroded.
Battery not charged.
Motion control levers not in Start/
Shutdown position.
Blown fuse.
Defective key switch
Battery Will Not Charge Dead cell in the battery.
Blown charging fuse.
Battery cables and terminals are
dirty.
Low engine speed or excessive
idling.
Lights Do Not Work Light plug disconnected.
Loose or burned out bulb.
Blown headlight fuse.
MP47322,00F467D-19-15MAR13
Machine
IF CHECK
Machine Vibrates Too Much Or
Rattles Excessively
Attachment drive belts worn or
damaged.
Mower blades not balanced.
Traction drive belt damaged or
worn.
Dirt on drive sheaves.
Machine Will Not Move With
Engine Running
Transmission hydraulic oil level
low.
Transmission belt broke.
Bypass valve levers are
engaged.
Front of machine squeaks while
driving
Lubricate mower front draft rod at
front and rear pivot points.
GH8XT3T,00009D8-19-05MAY22
Mower
IF CHECK
Discharge Chute Plugged Travel speed too fast.
Grass too long.
Grass too wet.
Engine rpm not at mow position.
Restricted air ow.
Belt installed incorrectly.
Adjust cutting height to remove
only 1/3 of grass at a time.
Patches Of Grass Uncut Travel speed too fast.
Engine rpm not at mow position.
Mower deck needs cleaning.
Belt Slipping Debris in sheaves.
Worn belt.
Belt tension is incorrect.
Too Much Vibration Debris on mower deck or in
sheaves.
Damaged drive belt.
Damaged sheaves or sheaves
out of alignment.
Blades out of balance.
Blades Scalping Grass Cutting too low.
Mower wheels not adjusted
correctly.
Turning speed too fast.
Ridges in terrain.
Rough or uneven terrain.
Low tire pressure.
Mower Loads Down Tractor Engine rpm too low.
Travel speed too fast.
Debris wrapped around mower
spindles.
Adjust cutting height to remove
only 1/3 of grass at a time.
Uneven Cut Mower deck not leveled properly.
Travel speed too fast.
Blades dull.
Mower wheels not adjusted
correctly.
Tire pressure unequal.
Adjust cutting height to remove
only 1/3 of grass at a time.
Excessive Clippings are
Expelled from Front of Mower
Deck
Conditions may be too dry or
terrain too uneven to provide
good seal between front of deck
and grass. Visit http://JDParts.
Troubleshooting
50
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