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6.6 Cleaning the Cooling Fan of the Servo Motor
The estimated service life of the cooling fan of the servo motor is 40000 hours. On the condition that the cooling fan
runs continuously at full speed, rated voltage and 40°C ambient temperature, after the cooling fan is jammed with
foreign matters, the performance of the cooling fan degrades and the air volume reduces.
After the air lter is blocked, the air resistance increases and the air volume reduces, thus inuencing the motor
dissipation. Once the motor winding temperature exceeds the motor protection temperature, the servo drive reports
Err45.
The procedure of cleaning the cooling fan is as follows:
1. Remove the eight screws that x the lter at the tail of the motor (G1 is the M4 hex socket, G2 is the M5 hex
socket) and then remove the cover.
2. Clean up the dirt and dust on the surface of the fan and in the air lter using a small athead screwdriver and
then use airgun to blow off the remaining dirt and dust.
3. Attach the cover to the drive and x the screws.
4. Determine how often you clean the fan according to the actual working condition.
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