poclain hydraulics MK08 - Trouble Shooting

POCLAIN HYDRAULICS
800078181E DOC-REPAIR-MK05-MKE18-FR-EN 9
TROUBLE SHOOTING
The motor is noisy
Noisy motor
Motor is noisy
without load
YES
Regular rumbling :
worn bearing support
Vibrations : mountings
and/or hydraulic piping
become loose
NO
YES
Replace the
bearing support
YES
Tighten to
torque
Motor is noisy
under load
YES
Clattering : boost
pressure too low
Cavitation: excessive
internal leaks
NO
YES
Set the counter-
pressure valve
YES
Replace the
cylinder-block and
valving assembly
NO