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Iseki SBC550X - HST (Hydrostatic Transmission) Issues

Iseki SBC550X
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SXG
64
Troubles Presumable causes Remedies
Excessively worn tie-rod ends Excessive steering wheel play
Excessively worn steering wheel
column shaft
Defective power-steering unit
Consult your dealers.
Consult your dealers.
Consult your dealers.
5. HST (Hydrostatic transmission)
Troubles Presumable causes Remedies
Lawn mower does not start
travelling.
Parking brake is applied.
Too low engine speed
Low transmission oil level
Air trapped inside hydraulic piping
Improperly adjusted HST pedals
Clogged hydraulic oil filter
Clogged suction oil filter
Defective HST unit
Release it.
Accelerate engine.
Fill to upper limit.
Consult your dealers.
Consult your dealers.
Consult your dealers.
Consult your dealers.
Consult your dealers.
Lawn mower creeps without
HST pedals being operated
Stuck neutral arm
Incorrect neutral point of HST
Improperly positioned neutral arm
Defective HST unit
Lubricate.
Consult your dealers.
Consult your dealers.
Consult your dealers.
6. ELECTRICAL ACCESSORIES
Troubles Presumable causes Remedies
Battery is not charged. Melted slow-blow fuse
Defective wiring
Loose fan belt
Defective battery
Defective alternator
Defective regulator
Locate and repair cause of trouble,
and install a new slow-blow fuse.
Check wiring for loose terminals
and earth, and short circuit. Repair
defective parts.
Tighten belt as specified.
Correct loose terminals, corroded
parts, and electrolyte level.
Otherwise, install a new battery.
Consult your dealers.
Consult your dealers.
Head lamps are dim. Low battery capacity
Defective contact of switch or wiring
Charge battery.
Clean contact points and earthing
point, and tighten them.
Head lamps do not light up. Burnt-out bulb
Blown fuse
Defective contact
Replace the burnt-out bulb.
Check the wiring and replace the
blown fuse with a new one.
Clean each contact and tighten
securely.
Moniotor lamps do not light up. Defective contact Re-connect connector.
Fuel pump does not work. Blown fuse
Defective fuel pump
Check the wiring and replace the
blown fuse with a new one.
Consult your dealers.
Fuel cut-off solenoid does not
work.
Blown fuse
Defective solenoid
Check the wiring and replace the
blown fuse with a new one.
Consult your dealers.

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