OPERATORS BUILT FROM 1984-1992 PRE SAFETY SENSORS
MFG. DATE

1984-1986
1986-1989
1989-1990
1990-1990
1990-1992
1992
1992
1993
1994
1995
1996
1996-Current

DELUXE

41D2745
41A3040
41A3519
41A3622
41A3626
41A4201
41A4201-4
41A4201-6
41A4201-6A
41A4201-6B
41A4201-6C
41A4201-6D

STANDARD

41D2951
41A3039
41A3519-1
41A3623
41A3627
41A4201-1
41A4201-5
41A4201-7
41A4201-7A
41A4201-7B
41A4201-7C
41A4201-7D

If you have a
board on the
list above
replace it with:
41A4201-6D 41A4201-7D





OPERATORS BUILT FROM 1993-1997 BILLION CODE WITH SAFETY SENSORS

MFG. DATE


1993
1993
1993
1994
1995
1996
1996

DELUXE CHAIN & BELT DRIVE

*
41A4252
41A4252-4
41A4252-6
41A4252-6A
41A4252-6B
41A4252-6C
41A4252-6D

STANDARD CHAIN DRIVE

*
41A4252-1
41A4252-5
41A4252-7
41A4252-7A
41A4252-7B
41A4252-7C
41A4252-7D

SCREW DRIVE

*
N/A
N/A
N/A
N/A
N/A
N/A
41D4674-1C

If you have a
board on the
list above
replace it with
41A4252-6D 41A4252-7D 41D4674-1C
OPERATORS BUILT FROM 1997-CURRENT WITH ROLLING CODE

MFG. DATE
*
*
*
1997
1998
1999
Dec1999

DELUXE CHAIN DRIVE


*
41A5021
41A5021-B
41A5021-C
41A5021-D
41A5021-E

STANDARD CHAIN DRIVE


*
*
41A5221-1
41A5021-1B
41A5021-1C
41A5021-1D
41A5021-1E

CHAMBERLAIN SCREW DRIVE
*
*
*
*
41D4674-14
*
*
41D4674-14D
41D4674-14E
LIFTMASTER SCREW DRIVE
*
*
*
*
41D4674-10
*
41D4674-10C
41D4674-10D
41D4674-10E
BELT DRIVE
*
*
*
*
*
*
41A5021-D
41A5021-5E
If you have a
board on the
list above
replace it
with
41A5021-E 41A5021-1E 41D4674-14E 41D4674-10E 41A5021-5E
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