56
Troubleshooting
11 – 4 WPD Series Attachment
Symptoms
Causes/Points of checking
Countermeasures
The Attachment cannot be connected to the
Motor.
The mounting position is not correct.
Connect the Attachment correctly (see "6 – 1
Mounting and Removing the Attachment").
The Attachment has not been inserted
deep enough.
Insert the Attachment all the way through.
Connection part has been deformed.
Contact your Authorized NSK Dealer.
The Cutting Accessory cannot be firmly
mounted.
The Chuck is closed.
Check the procedure of Mounting and
Removing Cutting Accessories, etc.
Incorrect Cutting Accessory is mounted.
Check the applicable Cutting Accessory.
The Cutting Accessory mounted has been
deformed.
Replace the Cutting Accessory with a new one.
No rotation when the Hand Switch is
depressed.
Safety Lock of the Wire Pin Driver is
" OFF ".
Slide the Safety Lock of the Wire Pin Driver to
the ON position.
– In case of no rotation when the Safety
Lock is in ON position, there may be a
malfunction. Contact your Authorized NSK
Dealer.
No rotation when the Cutting Accessory is
securely mounted.
●
The bearing has overheated.
●
Foreign materials inside.
●
The bearing has worn out.
Contact your Authorized NSK Dealer.
Heat generation during operation.
Continuous use over a long period.
Stop using the Attachment and the Motor
immediately. Wait until the Attachment and
Motor cool down before using the Attachment
and Motor again.
The Cutting Accessory mounted has been
deformed.
Replace the Cutting Accessory with a new one.
The blade part of the Cutting Accessory
mounted has worn out.
●
The bearing has overheated.
●
Foreign materials inside.
●
The bearing has worn out.
Contact your Authorized NSK Dealer.
Abnormal vibration and noise. Cutting
Accessory center run-out.
The Cutting Accessory mounted has been
deformed.
Replace the Cutting Accessory with a new one.
●
The bearing has overheated.
●
Foreign materials inside.
●
The bearing has worn out.
Contact your Authorized NSK Dealer.