TYM T430 - PTO Drive System

2. PTO DRIVE SYSTEM
ReplaceDeflected clutch plate
Wash cleanPoor PTO valve( contamination)
ReplaceDefective PTO valve solenoid PTO does not stop when PTO
switch is shifted to OFF
Wash cleanPoor PTO valve (contamination)
ReplaceBroken clutch piston return spring
ReplacePoor switch
Wash cleanClogged PTO valve
ReplacePoor pump
ReplaceDefective solenoid valve
ReplaceWeak or broken piston return spring
ReplacePoor PTO clutch brake
Let tractor warm up
sufficiently
Insufficient warming up
Retighten or replaceLoose joint or broken O-ring of delivery
valve
ReplaceBroken or fatigues seal ring at clutch sleeve
ReplaceWorn clutch discPTO spins but does not
produce sufficient torque.
ReplaceImproper oilPTO follows too much when
PTO switch is shifted to OFF
Replace
Wash clean
replaceDefective PTO switch
Clogged PTO valve
Poor Pump
Shift lever positively to
ON
PTO shift lever is in neutralPTO does not spin with PTO
shifted to ON
Counter measuresCausesproblem
5-47