wsm L503 - Pto System

3-S10
L3130 · L3430 · L3830 · L4630 · L5030, WSM
TRANSMISSION
[4] PTO SYSTEM
PTO CLUTCH
W10137180
Symptom Probable Cause Solution
Reference
Page
PTO Clutch Slip • Operating pressure is low
• PTO clutch valve malfunctioning
• Clutch disc or drive plate excessively worn
• Deformation of piston or return plate
Adjust
Repair or replace
Replace
Replace
3-S17, S89
3-S30
3-S32
3-S33
PTO Shaft Does Not
Rotate
• PTO clutch malfunctioning
• PTO propeller shaft coupling disengaged
Repair or replace
Engage
3-S32
–
PTO Clutch
Operating Pressure
is Low
• Transmission oil improper or insufficient
• Relief valve malfunctioning
Replenish or change
Adjust or replace
G-7, 8
3-S17, S89
PTO Clutch Drags • Brake plate excessively worn
• Return spring weaken or broken
• Accumulator valve malfunctioning
• Deformation or return plate or steal plate
Replace
Replace
Repair or replace
Replace
3-S33
3-S33
3-S32
3-S33
KiSC issued 02, 2007 A