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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