IEMCA MASTER 880 MP-E - Page 90

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8 - TROUBLES - CAUSES - CURES MASTER 880MP E-volution
8 - Pag. 2 / 2
8.1 GENERAL FAULTS
TROUBLE CAUSES CURES
No power Check the electric connections
Open guard Close the guard
Emergency systems on Disconnect the emergency devices
The bar feeder will not start
Motor thermal switch tripped Reset the motor overload cut-out
with the special push-buttons.
The bar feeder has been reset
but the automatic cycle will not
start
No lathe signal Check electric connection to the
lathe
The pneumatic devices will not
respond to controls
No air Check the air system
The pre-feed and feed suddenly
stop
Motor thermal switch tripped Reset the motor overload cut-out
with the special push-buttons
8.2 INSERTION IN THE COLLET - Faults
PROBLEMS CAUSES CORRECTIVE ACTION
Bar fails to enter collet.
Collet diameter not suitable
for bar diameter.
Change collet.
Excessive rag on bar rear end. Trim rag before feeding.
8.3 BAR FEEDING - Faults
PROBLEMS CAUSES CORRECTIVE ACTION
Difficult bar introduction into
lathe spindle
Bar feeder not aligned with lathe. Check and correct alignment.
Difficult bar introduction into
lathe collet
Excessive rag on bar rear end. Trim rag before feeding.