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2. INSTALLATION
2.5 Protection from oil and water
(1) Next, the servo motor is not waterproof (IP44). Do not subject the servo motor to oil and water.
Especially for the HC-MF HC-KF HC-AQ HC-KFS HC-MFS and HA-FF series, do not subject the
shaft-through portion to oil.
Servo Motor Series
HC-KF/HC-MF
HA-LF/HA-FF/HA-LFS
HC-AQ/HC-KFS/HC-MFS
HA-LH
Oil or water
Servo motor
(2) When the gear box is mounted horizontally, the oil level in the gear box should always be lower than
the oil seal lip on the servo motor shaft. If it is higher than the oil seal lip, oil will enter the servo
motor, leading to a fault.
The HC-MF HC-KF HC-AQ HC-MFS and HC-KFS series servo motor is not equipped with an oil
seal and cannot be used with the gear box as described above. Oil should be shut off on the gear box
side.
In a special specification article with an oil seal is available. Please contact Mitsubishi.
Height above oil level h
Servo Motor
81
121 to 301
52(4) to 152(4) (Note)
HC-SF
HC-SFS
202(4) to 702(4) (Note)
53 to 153
203/353
52 to 152
HC-LFS
202/302
HC-RF
103 to 503
HC-RFS
72/152
202 to 502
13
HC-UF
23/43
HC-UFS
73
Note. 524 to 7024 are not available for the HC-SF series.
Protection
IP44
IP55
JP44
Gear
Servo motor
Lip
V ring
Height above Oil Level h
[mm]
[in]
20
0.79
25
0.98
20
0.79
25
0.98
20
0.79
25
0.98
20
0.79
25
0.98
20
0.79
20
0.79
25
0.98
12
0.47
14
0.55
20
0.79
Servo Motor
053/13
23/33
HA-FF
43/63
11K2
HA-LH
15K2/22K2
30K2(4)
37K2(4)
HA-LF
45K24/55K24
502
702
601(4)
11K2(4)
701M(4)
15K1(4) 20K1(4)
22K1M(4) 30K1M(4)
30K2(4) 37K2(4)
HA-LFS
801(4)
12K1(4)
25K1(4)
30K1(4)
11K1M(4)
15K1M(4)
37K1M(4)
45K1M4
15K2(4)
22K2(4)
45K24
55K24
37K1(4)
50K1M4
2 - 11
Height above Oil Level h
[mm]
[in]
8
0.32
12
0.47
14
0.55
30
0.18
40
1.58
45
1.77
48
1.89
34
1.34
45
1.77
48
1.89
55
2.17
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