3-4
MHT260a (Engl.)
(d) Mounting of motor
lnsert the motor shaft extension with the key
position matched with the gear-head input-shaft.
Fasten the motor’s flange face to the gear-head unit’s
flange face by the screws provided for the gear-head
unit.
(e) Screw sizes
Motor type GYS GYC
GYN□□□SAG GRN□□□
SAG
GYN□□□SAG GYN□□□CAGGear-head type
500 101 .20 .40 751 101 201 401 751
(i) Screws for fastening of flanges
Screw size [mm] M4×12 M5×12 M4×12 M5×12
Screw q’ty 4
Tightening torque
[N･m]
1.8 ±0.21 3.5 ±0.42 1.8 ±0.21 3.5 ±0.42
(ii) Lock screws
Screw size [mm] M4×4
Tightening torque
[N･m]
1.8 ±0.21
Tighten the “hexagonal socket headed lock screw” after fastening of flange faces.
Fit rubber cap in the original position.
3.2 Amplifier
(1) Installation environment
(a) Ambient climatic conditions
Ambient conditions Amplifier Motor
Temperature −20 to ＋80℃−10 to ＋70℃
Humidity 90% RH max.
In transportation and storage
(*1)
Air pressure 86 to 106 [kPa]
Temperature −10 to ＋55℃−10 to ＋40℃
Humidity 90% RH max.
Control rooms and equipment rooms
(*1)
Air pressure 86 to 106 [kPa]
Install location (*2) For indoors
(*1) Free from condensation, no condensation, no formation of ice
(*2) Site-altitude should be 1000 [m] and below.
(b) Avoid use under the following conditions.
(i) Location near oil, steam or corrosive gas
(ii) Location where strong electric or magnetic field exists
(iii) Accommodation in the same panel together with high voltage (2 [kV] or higher) equipment
(iv) Sharing of the same power supply with the equipment which generates large noise.
(v) In vacuum
(vi) In explosive atmosphere
(vii) Under acceleration vibration
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