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6) Service Specifications
Item
Model Name
A007T03877 (MITSUBISHI)
Nominal output (V-A) 12 – 40
Polarity Negative ground
Weight (kg) Approx. 3.7 {8.2 lb}
Rotational direction (Viewed from the pulley) Clockwise
Load characteristics (cold)
Terminal voltage (V) 13.5
Current (A) Min. 30
Revolution number (rpm) 2500
Brush length
Original (mm) 18.5
Limit (mm) 5.0
Brush spring tension
Original (N) 4.6 – 5.8 {470 – 590 gf}
Limit (N) 2.6 {270gf}
Bearing
Rear side ECSC8
Front side 6303DDG
Slip ring diameter
Original (mm) 22.7
Limit (mm) 22.1
Slip ring diameter eccentric wear
To be repaired (mm) 0.05
Allowable limit (mm) 0.2
Slip rings surface condition
If dirty or damaged correct with emery
cloth.
Rotor shaft bending To be repaired (mm) 0.07
Field coil resistance (Ω/at 20ºC) 2.8
Adjusting voltage (V)(at 5000 rpm) 14.4 – 15.0
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