Use and Care Manual
Troubleshooting - 46
TROUBLESHOOTING
Electrical
Machine
Mower
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.
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.
Machine Moves With Engine
Running And Hydrostatic
Control In Neutral
Linkage out of adjustment.
Transmission neutral out of adjustment.
Mower Lift Will Not Latch in
Transport
Deck is adjusted too high.
Front of machine squeaks
while driving
Lubricate mower front draft rod at front
and rear pivot points.
IF CHECK
Discharge
Chute
Plugged
Travel speed too fast.
Grass too long.
Grass too wet.
Engine rpm not at mow position.
Restricted air flow.
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.
To o Mu c h
Vibration
Debris on mower deck or in sheaves.
Damaged drive belt.
Damaged sheaves or sheaves out of alignment.
Blades out of balance.
Front Tires
Vibrate
Set front tire pressure to 10 psi. If vibration continues,
reduce tire pressure by 1 psi until vibration stops. Do not
reduce tire pressure below 6 psi.
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
Tr a ct o r
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.deere.com or contact dealer to purchase
dry condition kit.
42” Edge Deck - BM20505
48” Edge Deck (Z255 only) -BG20470
IF CHECK