9-39
Problems Causes Countermeasures
14.Independent
PTO clutch is too
quick in engaging
1) Stuck pressure-reducing valve
spool
Lap after correcting flaws with oil
stone
2) Fatigued or broken pressure-
reducing valve spring
Replace.
3) Worn or broken sealing of PTO
clutch
Replace
4) Worn friction plates or driven
plates
Replace
5) Overheated fluid Refer to paragraph for "fluid
overheating"
6) Port B regulated pressure is too
high of Flow-divider
Inspect and reset pressure
7) Stuck pressure-reducing valve
spool
Lap after correcting flaws with oil
stone
8) Clogged orifice in pressure-
reducing valve spool
Clear clogged with compressed air or
with a sharp point.
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