
1. AC SERVO MOTOR
B-65165E/02 MOTOR MAINTENANCE MAINTENANCE
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1.5 SPECIFICATION NUMBERS OF REPLACEMENT PARTS
The following lists the ordering specification numbers for
maintenance:
(1) Ordering specifications of pulse coders
<1> Ordering specifications of pulse coders with no motor cover
Models α1 to α2, αM2 to αM2.5
A290-0371-T575 : αA64 (with Oldham’s coupling)
A290-0371-T577 : αI64 (with Oldham’s coupling)
A290-0371-T588 : αA1000 (with Oldham’s coupling)
Models α3 to α400, αM6 to αM40, αL, αC, α3HV to
α30HV, and αM6HV to αM30HV
• Cable separation type
A860-0360-V501: αA64
A860-0365-V501: αI64
A860-0370-V502: αA1000
A860-0360-V906: Cable assembly (common to αA64,
αI64, and αA1000)
A290-0501-V535: Oldham’s coupling (to be replaced
together with the pulse coder at a
time)
• Cable non-separation type (reference)
A860-0360-T201 : αA64
A860-0365-T101 : αI64
A860-0370-T201 : αA1000
A290-0501-V535: Oldham’s coupling (to be replaced
together with the pulse coder at a
time)
<2> Ordering specifications of pulse coders with a motor cover
Models α3 to α6, αM6 to αM9, αL6 to αL9, αC3 to αC6,
α3HV to α6HV, and αM6HV to αM9HV
A290-0121-T575 : αA64
A290-0121-T577 : αI64
A290-0121-T588 : αA1000
Models α12 to α40, αM22 to αM40, αL25 to αL50, αC12 to
αC22, α12HV to α30HV, and αM22HV to αM30HV
A290-0141-T575 : αA64
A290-0141-T577 : αI64
A290-0141-T588 : αA1000