Страница 1: ...Form 7 1J 6443 1 tamer Engineering Reference an i International Business Machines Corp ration Data Processing Division 112 East Post Road White Prins N Printer...
Страница 2: ...Printer El r 1r J r V Customer Engineering Reference Manual L J Issued to Branch Office Department Address If this manual is mislaid please return it to the above address...
Страница 3: ...ulic Unit Reassembly 28 Forms Tractor Adjustments 12 Hydraulic Pump Drive Belt Tension 29 Position Upper and Lower Tractor Drive Shafts Install Tractors 12 12 CARRIAGE CONTROLS Space Control Magnets A...
Страница 4: ...d grease must be wiped from all sur faces to prevent any contain ination of ribbon Check for wear and binds Check for correct operation Lube only when surface appears dry 0 BLOWERS Hammer Unit Replace...
Страница 5: ...wdriver and determine the left and right limit of character cut off c Turn the bolt to the position midway between the limits found 4 Press the carriage stop key 5 Examine the printing for alignment I...
Страница 6: ...plate stop rod h Wedge the paper between the shift fork tines and hub of shift gear to center around shift gear hub 5 Position the shift fork on the shift rack for gear mesh and clearance a Detent the...
Страница 7: ...itions on a flat surface Install the tractors on the drive shaft 1 Slide the drive shaft through the square drive hub on the right tractor 2 Turn the left tractor drive until the pins line up with tho...
Страница 8: ...s previously removed 1 Loosen the adjusting block screw The block is under the movable base and fits over the stud in the T casting It positions the movable base right to left 2 Turn the idler gear to...
Страница 9: ...the T casting 1 Position the right end of the T casting a Loosen the hinge pin bushing set screw in the upper arm of the translator frame b Loosen the lower jackscrew lock nut on the lower right arm...
Страница 10: ...in on a pad of paper towels to drain for 15 minutes before it is reassembled in the type array 2 Prepare to reassemble the chain to the type array a Loosen the holding screw for the type idler stud mo...
Страница 11: ...al Figure 7 1 First glance through the following steps and decide which are necessary for the job at hand 2 Prepare for removal a Remove the forms b Remove the top forms guide c Remove the service mou...
Страница 12: ...core Do not use excessive amount 4 Allow a minimum of two minutes for cement to set 5 Place on new coil pressing it to the bottom of the yoke 6 Allow 15 to 20 minutes for the adhesive to dry Exposure...
Страница 13: ...TION Do not lose the key 11 Remove the horseshoe clip from the drive gear shaft 12 Remove the ribbon drive and brake assembly 13 Re assemble in reverse order a Be certain the key is in the ribbon spin...
Страница 14: ...ars 4 Remove the emitter a Move the translator frame to the left b Loosen the set screws that can be reached in the emitter collar c Pull down sharply on the hydraulic unit drive belt to turn the emit...
Страница 15: ...rvoir a Drain the oil from the reservoir b Remove the sense amplifier mounting plate c Remove the blower d Remove the carriage tape idler e Remove the screws from the rear heat sink resistor panel res...
Страница 16: ...nce 5 Turn off the system power 6 Turn the tab on the lockwashers over to keep the nuts from loosening during operation 7 Replace the valve body assembly Figure 14 Space Valve Figure 15 Space Valve St...
Страница 17: ...ting graph should be similar to Figure 20 5 Adjust single space single shot to produce the desired result E2 brush single shot in 1401 system Figure 20 Single Shot Adjusted Correctly Emitter Brush Adj...
Страница 18: ...lly Adjustments 1 Insure that no binds exist when you manually turn the forms advance knob with the 6 8 knob in neutral 2 Set up the carriage for dynamic adjustment a Insert a carriage tape punched wi...
Страница 19: ...at the left Resistors These are located at the rear of the printer at the upper right above the hydraulic unit The carriage resistors are mounted on a heat sink behind the hydraulic unit Main Line Swi...
