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6.13) Mounting the Direct Motor and Adjsuting Method
1) When you mount the coupling on the servo-motor, fit the screw No.1 of coupling to the flat surface of the servo
motor shaft and make the clearance between the coupling and servo motor 0.7mm.
2) When you mount the coupling on the upper shaft, fit the screw No.1 of coupling to the flat surface of the upper
shaft and make the clearance between the coupling and upper shaft bushing(R) 2mm.
3) After mounting both couplings, check the positions of each screws to the aligned.
※ If the positions of each screws are not aligned, the needle does not stop normal position.
6.14) Oil Supply
6.14.1) Regular Check List
1) For the parts which need regular check, conduct cleaning and lubrication and add grease to maintain high
machine performance.
2) Test the tension of each driving belt.
3) Without regular machine check, the following problems might result:
－ Abnormal abrasion of the moving parts in a wet condition due to the insufficient lubrication and grease
injection
－ Abnormal operation due to dust or foreign materials gathered at the moving parts
1) During machine check or maintenance, please observe the safety rules on machine and electricity.
2) Make sure that the power is off before maintenance work begins.
Caution
1) If machine damage or mal-operation occurs due to the failure to clean and lubricate the machine
through regular checking, SunStar will not be held liable.
2) Adjust the cleaning cycle depending on the use conditions and environment.
Caution
Screw NO.1
Flat Surface
Coupling
Servo Motor
Rear Upper Shaft Bearing
Upper Shaft
Arm
2.3mm
0.7
Upper Shaft Rear
Bearing Bushing
(rear)
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