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8. HG-JR SERIES
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8.6 Oil seal
The oil seal prevents the entry of oil into the servo motor.
Install the servo motor horizontally, and set the oil level in the gear box to be lower than the oil seal lip
always.
Gear
Shaft
Servo motor
Oil seal
Height above oil level h
Lip
Servo motor
Oil level h
[mm]
HG-JR53(4)(B)
HG-JR73(4)(B)
HG-JR103(4)(B)
HG-JR153(4)(B)
HG-JR203(4)(B)
18
HG-JR353(4)(B)
HG-JR503(4)(B)
20
HG-JR703(4)(B)
HG-JR903(4)(B)
HG-JR601(4)(B)
HG-JR801(4)(B)
HG-JR12K1(4)(B)
HG-JR701M(4)(B)
25
HG-JR11K1M(4)(B)
HG-JR15K1M(4)(B)
40
HG-JR15K1(4)
HG-JR20K1(4)
HG-JR25K1(4)
HG-JR22K1M(4)
HG-JR30K1M(4)
HG-JR37K1M(4)
50
HG-JR30K1(4)
HG-JR37K1(4)
HG-JR45K1M4
HG-JR55K1M4
55
8.7 Cooling fan
For the servo motor with a cooling fan, leave the following distance between the servo motor's suction face
and the wall.
Servo motor Distance L [mm]
Servo motor
Cooling fan
L or more
Intake
HG-JR15K1(4)
HG-JR20K1(4)
HG-JR25K1(4)
HG-JR30K1(4)
HG-JR37K1(4)
HG-JR22K1M(4)
HG-JR30K1M(4)
HG-JR37K1M(4)
HG-JR45K1M4
HG-JR55K1M4
150