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TROUBLESHOOTING GUIDE
Problem Cause
Machine vibrates
Engine overheats°
° Blades are loose,,
o Blades are incorrectly balanced,
o Engine is loose
= Clogged air intake or cooling fins
° Engine overloaded.
o Poor ventilation around engine,
o Defective engine speed regulator.
° Too little or no oil in the engine
o Fouled spark plug_
Battery not charging
Machine moves slowly, unevenly, or not at all
o Poor contact with battery terminal cable
connectors,
• Charging lead is disconnected,,
= Fault in engine charging system
. Parking brake on
. Bypass valve on pump open,
o Drive belt for the transmission gears slack or has
come off
. Air in hydraulic system
Mower deck not engaging
€, Drive belt for the mower deck has come loose,
,, Contact for the electromagnetic coupling has
loosened
= The blade switch is faulty or has come loose, from
the cable contact.
• The fuse has blown,
Hydraulic drive leaks oil.
• Damaged seals, housing, or gaskets.
a Air trapped in hydraulic system
Uneven mowing results
• Unequal tire pressure on the left and right sides.
° Bent blades_
= Suspension for the mower deck is uneven
., Blades are dull
. Driving speed too high,
• The grass is too long
. Grass collected under the mower deck
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