MBF COMPANY CONFIDENTIAL FIELD INFORMATION BULLETIN

SERVICE GROUP(S): MINI                 MFG: BASIC FOUR

 NACS  TYPE(S): N011                   MFG. MODEL(S): PREVENTIVE

CATEGORY: GENERAL                      DESC: MAINTENANCE

                   *** TABLE OF CONTENTS AS OF 12/19/90 ***
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                             *** P. M GUIDELINE ***
          SYSTEMS
          ________                                                           

          MPX                           MONTHLY                              
          SPX                           EVERY TWO MONTHS
          13XX                          EVERY SIX MONTHS

          PERIPHERALS
          _______________

          REMOVABLE DISK                2 MONTHS
          FIXED DISK                    6 MONTHS
          TAPE DRIVE                    3 MONTHS
          LINE PRINTER                  2 MONTHS
          LETTER QUALITY PRINTER        6 MONTHS                             
          BALLISTIC HEAD PRINTER        6 MONTHS
          DISPLAY PRINTER              12 MONTHS


          NOTE:

          ENVIRONMENTAL CIRCUMSTANCES OR CUSTOMER USAGE MAY AFFECT P.M.
          SCHEDULING REQUIREMNETS.


ORIGINATOR: J WHALEN


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