IBM 729 Maintenance Manual Download | Manualshive

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Summary of Contents for 729

Page 1: ...r I ve cdi c cr IBM WiC t D P Cf DE PT PRINTE DriN UNiTED KINGDOM...

Page 2: ...on of the pulleys before removal Every four months on Mod IV and VI or Every six months on Mod II and V lubricate the Sintered bronze prolay parts with IBM 6 oil VISUAL INSPECTION OPERATIONAL CHECK Ev...

Page 3: ...to EC 729 WTC 57 2 Use P4 to adjust the neutral current to give 2 7 2 volts on TB11 between 6 7 for 729 NORLAY TB11 between 3 7 for 729 NOR 3 Bring P6 and P7 to zero by turning counter clockwise 4 Us...

Page 4: ...aturate the oil tubes of the capstan motor with IBM 6 oil Pour a thin film of oil on the capstan motor shaft and wipe the capstan to keep it perfectly clean VACUUM COLUMNS Intermittent troubles which...

Page 5: ...ts difficult Be careful when inspecting two 729 machines simultaneously Do not interchange the head covers as this would interfere with the locking of the head in the low position TAPE AP A 1 1 AHErL...

Page 6: ...aising gear with IBM 17 grease VISUAL INSPECTION OPERATIONAL CHECK Every four months on Mod IV and VI or Every six months on Mod II and V check the read and write conditions First use the preamplifier...

Page 7: ...BLADE Every twelve months check the condition of the blade When replacing a worn tape cleaner blade the ground jumper must be installed over and not under it to avoid altering the approach angle Simil...

Page 8: ...the magnetic powder or the shaft may become deformed LUBRICATION Every four months on Mod IV and VI or Every six months on Mod II and V lubricate the stop clutch gears with IBM 17 grease REEL DRIVE TA...

Page 9: ...lers without looping above the left vacuum column If the tape is not tight adjust P2 controlling the partial left brake d Mechanical brake adjustment Check with power OFF for pressure of about X70 gra...

Page 10: ...o the drum 4 Attach the spring to the negator spring assembly and replace drum assembly on axle Ensure the flange is facing the mounting bracket to avoid spring breakage later 5 Replace cable followin...

Page 11: ...ate blowers are in use so when changing a blower check the direction of rotation and airflow This is shown by arrows on the blower LUBRICATION Every twelve months lubricate blowers which have the grea...

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