IBM 1403 Скачать руководство пользователя страница 34

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Содержание 1403

Страница 1: ... 3 Field Engineering Maintenance Manual Printers ...

Страница 2: ...ribbon shi id re i t h yd iic unit oil seal replaceme t Model 3 train cartridge gear replacement and accumulative slug to slug clearance adjustment as well as a regrouping of related adjust ments under Print Quality Adjusttnents New information is included for the Model 6 and some Figures are added to support the text where necessary Address comments concerning the content of this publication to m...

Страница 3: ...rushes 71 Information Peculiar to the IBM 1403 Model 3 72 Service Procedures 72 Manual Controls Adjustment 72 Base Adjustments and Removals 72 Train Motor Drive Gear Adjustment 74 IBM 1416 Train Cartridge 75 Train Lubricator 81 Hammer Unit Assembly 81 Ribbon Unit 87 Print Quality Adjustments 89 Impression Control Bar Adjustment 91 Timing Disk Transducer Adjustments 91 PCS Transducer Adjustment 94 ...

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Страница 5: ...nance is to provide maxi mum machine availability to the customer Unless a preventive maintenance operation reduces machine downtime it is unnecessary Do not adjust or disassemble a unit that is working properly even if tolerances vary from specifications IBM 1403 Printer Models 1 2 3 4 5 and 6 Be visually alert for trouble indications any time you service the machine Look for corrosion wear crack...

Страница 6: ...nI eccentrici Lubriplclte 70 termediClte and o bevel gear uni cating Bevel Gea briplate 70 on d oir with special drive key drum geanl r Unit rive key ubricant CLEAN Clean type with vacuum cleaner as required Clean typeface wi th IBM cleaner P N 451529 Wipe excessive oil and grease from all areas to prevent contaminating ribbon Keep friction reverse drag surfaces clil free Wipe excessive oi I and g...

Страница 7: ...e IBM 116 on bearings bushings and pivots Lubriplate is a Trademark of Fiske Bros Refining Company Clean armature backstops Check for loose hammers and magnet coils before applying IBM 116 Check for worn hammer magnet residuals and worn armature pivots Check that pushrods are free and straight Check that armatures hammers and forms compressors are free to pivot Replace Do not allow strip to wear t...

Страница 8: ...rminal block is inside the meter cover To check or change these ac line connec tions requires a retainer part 740489 3 For line voltages nearest to 230 volts a Place the chain drive motor machine cable on terminals TB 7 4 7 5 and 7 6 b Place one ac lead for the elapsed time meter on terminal 5 The other ac lead will remain on ter minal1 Three Phase Motor Rotation Check 1 Vhen the system is ready t...

Страница 9: ...eld interchange the carriage control circuits for single double and triple spacing must be adjusted Refer to section on Single Shots 4 Give the printer a complete operational test using test decks 2000 2010 2012 and 2020 Process eter Test All printers are equipped with a process meter This meter will record time if the system processing unit meter is recording and if a first print instruction has ...

Страница 10: ...umeric Printers Only Pull the bottom of the panel Figure 3 forward until it clears its snap latch then pull downward until the 10 top of the cover clears the two locating pins that go through the holes in the top of the panel To replace slide the cover upwards guiding the lo cating pins through the holes in the top of the panel When the panel is up all the way push the bottom to wards the rear of ...

Страница 11: ...sition the left retaining collar so that a total end play of 0005 to 002 exists between the two col lars and the translator lock lever and clamp the collar to the vernier screw Note On late machines the left collar is pinned Adjust this clearance by using the right collar 4 Tighten the setscrews in the translator frame bear ing to provide a slight drag on the vernier screw Locking Roller Tie Bar S...

Страница 12: ...iming dial to the correct number as determined from the chart on the ribbon cover Note There are three different print timing dial charts Timing chart decal part 475644 for Models 1 and 2 Timing chart decal part 865912 for Models 4 and 5 Timing chart decal part 889623 for the Model 6 6 Run the machine for ten to twenty lines 7 Examine the fourth copy A faint smudge will be visible showing the outl...

Страница 13: ...rs to align the pin feeds within 005 There are two screws in each end of each bar Figure 8 Figure 8 Tractors T Casting Removed c Keep the left horizontal surface of the lower mounting bar against the corresponding horizon tal lip of the printer casting The upper mount 13 ...

Страница 14: ...s of the upper and lower tractor mounting bars for free movement of tractor assemblies Manual Clutch and Line Selection Knob 1 Preliminary procedure a Move the translator frame to the left b Remove knobs c Remove the front inner cover d Remove the gear guard 2 Check the adjustment of the manual clutch and the line selection knob assembly Figure 9 a Check for clearance 1 For a minimum end piay of t...

Страница 15: ... to the 8 line neutral position c Slide the right detent wheel opposite the right detent arm d Use a rubber band to hold the right arm against the detent e Adjust the camming plate roller stop rod to provide a 025 clearance between the detent arm and the teeth of the right detent wheel f Tighten the setscrew to hold the camming plate roller stop rod g Rehook the springs on the detent arms h Clamp ...

Страница 16: ... paper guide farthest from the hinge of the door 2 Remove the tractor guide on the other side of the pin feeds 16 Align the pin feed holding pins with the slot in the frame spacer plate the end nearest the drive shaft Figure 10 l Turn the tractor shaft until one holding pin aligns with the slot 2 Use a similar pin to push the installed pin toward the center of the machine part 804671 3 Repeat step...

Страница 17: ...t maintaining the upper edges par allel Check that the inner edges of the guides are clear of the pins 5 Fasten the adjacent paper guide to the tractor frame Position the tractor door for a clearance of paper guide plates to the door runners of 048 to 056 Figure 12 1 Loosen the pivot plate Note The Loctite sealant must be used on the threads of the holding screws if this adjustment is made 2 Screw...

Страница 18: ... jam detection setscrew so that the jam detection switch breaks when the door is opened a total of 095 to 118 Figure 13 2 Adjust the slide support plate to limit the tractor door open position Place a straight edge against the belt guide step perpendicular to the tractor guide plate as shown in Figure 14 Adjust the slide support plate to obtain clearance between the door and the straight edge Be s...

Страница 19: ...ear 2 Manually rotate the shaft to remove slack 3 Clamp the drive gear to the shaft Replace any remaining parts in reverse order Tractor Installation This procedure refers to both the upper and the lower assembly Place the tractor shaft and the mounting bar in relative positions on a flat surface Install the tractors on the drive shaft 1 Slide the drive shaft through the square drive hub on the ri...

Страница 20: ...e not equipped with tractor mounted jam detection devices 20 Check the jam detection device l The jam bail must rest against both the left and right tractor doors 2 The rear of the bail mounting brackets must be flush to the rear of the forms support bar 3 When applied at the operating edge of the bail the bail movement must be free 4 A force of pound 225 grams must move the bail away from the tra...

Страница 21: ...sition with the vertical print alignment knob 7 Remove the bumper stop stud a From the left end of the translator frame b From the right end of the translator frame Remove the tractor shafts and the tractor mounting bars Remove the T casting Remove the hammer unit assembly Free the translator frame 1 Remove both eccentric stop studs at the bottom rear of the translator frame 2 Loosen both eccentri...

Страница 22: ...ble base Figure 15 Movable Base 22 9 Remove the screws in the front cover of the print timing dial 10 Remove the screws in the movable base front gibs 11 Remove the lower ribbon guide bar 12 vVork enough slack in the read head cable un tape the cables if necessary to allow the movable base to be lifted clear of the T casting Remove the movable base 1 Carefully lift the base up off the eccentric be...

Страница 23: ...olds the oil line and the wick that oils the type chain Replace the movable base eccentric shaft in reverse order and adjust the movable base during assembly Movable Base Adiustment Remove the ribbon and the chain cartridge Check the adjustment of the movable base 1 The two eccentric shaft bearing blocks are seated against the front shoulders of the recess in the T casting with a maximum allowable...

Страница 24: ... Remove the ribbon 2 Remove the ribbon drive unit 3 Remove the chain cartridge 4 Remove the wires to the T casting 5 Remove the front cover 6 Remove the right cover 7 Remove the inner front cover 24 Remove the movable base or remove the read head Free the hinge pin Figure 17 1 Open the T casting 2 Remove the ribbon shield and print line indicator from the hinge 3 Remove the screw that is screwed i...

Страница 25: ...toward the rear c Work the eccentric into the lower bearing hole d Insert the taper pin finger tight into the bearing and the hinge pin 2 Locate the upper eccentric bearing rotationally a Rotate the upper bearing around the hinge pin until it lines up with the upper bearing hole b Work the bearing into the upper hole c Insert the taper pin finger tight into the bear ing and the hinge pin 3 Positio...

Страница 26: ... T casting and screw through the hinge pin 3 Free the bushing in the upper arm of the translator frame and force the bushing against the T casting Perform these adjustments 1 Position the T casting front to rear 2 Position the T casting vertically 3 Adjust the ribbon shield assembly Replace the remaining parts in reverse order Horizontal T Casting Positioning Chain to Hammers Before making this ad...

Страница 27: ... adjust ment of the type cartridge and movable base on the T casting Prepare to position the T casting vertically 1 Use a two part form and strip off the last copy leav ing the last carbon exposed to the hammers 2 Set up the processing unit to print one line of alter nate W s and M s 3 Remove the ribbon 4 Latch the T casting closed 5 Set the print density control lever to C 6 Set the print timing ...

Страница 28: ...equired to operate the latch Vhen these conditions are met no further adjust ment is necessary Replace the interlock switch cover 28 T Casting T Casting Lock Lever 1 Position the eccentric shaft 1 Open the T casting 2 Move the T casting lock lever to the latched posi tion the handle resting against the stop stud 3 Loosen the clamp screw in the handle 4 Position the high side of the eccentric towar...

Страница 29: ... tractors to their extreme left and right positions I Paper Entry Guide Figure 21 Initial Brush Position 2 Close the T casting and adjust the brush mounting hinge to locate its lower portion about l from the paper entry guide Figure 21 This is an in itial position 3 Open the T casting and insert a 6 wide single part form between the brush and paper entry guide Locate the form in the left center or...

Страница 30: ... entry guide and the formed up edge of the pan if Upper Plate Holding Screw 6 Chain Cartridge Cartridge Removal 1 Remove the ribbon 2 Remove the four allen head screws that hold the cartridge Figure 23 3 A stud at the right in the cartridge fits into a slot in the movable base to position the right end of the cartridge front to rear 4 The boss on the bottom of the drive sprocket fits into the bear...

Страница 31: ...y care ful not to kink the chain by causing it to bend in too small a radius e At this point the chain is still engaged with the drive sprocket Grasp the chain carefully both front and rear and slide it to the left to free it from the drive sprocket Do not use force Be careful not to kink the chain f Remove the chain from the center plate and the drive sprocket from the idler pulley end Be care fu...

Страница 32: ...ess oil Do not wipe the chain with a rag 6 After the chain has drained for 10 to 15 minutes proceed with reassembly see Center and Upper Plate Reassembly On Cartridge Cleaning Using on cartridge chain cleaning helps maintain print quality and prevent excessive accumulation of ink and ribbon debris Periodic use of type cleaner reduces the frequency of cartridge disassembly for chairi oil bath clean...

Страница 33: ...chain up front and back and slide it to the right Do not stress the chain or use force in any way e The opposite end can now be placed over the idler pulley 5 Because the upper plate is upside down be sure that the chain is upside down 6 The type slugs are now on top of the lip of the upper plate The chain must be aligned flat against the platen so slugs will slip into position between the platen ...

Страница 34: ...center bar the side away from the platen are resting on the holes in the upper and lower plates 10 Check the chain for freedom and clearance 7 Tighten all holding screws for the upper and lower plates 8 Chain tension adjustment a The chain must move freely with 400 to 600 gram force Warning Do not use a gram gage b Clearance between the lips on the upper and lower plates and type slugs must not ex...

Страница 35: ... the machine and place it on a table with the front down and the drive sprocket to the left 3 Rotate the chain until the slug to be replaced is about in the center of the side facing up Insert 003 006 feeler gage between upper lip of cartridge and top of slugs Bottom of slugs should be flush with the lower lip of cartridge Figure 27 Type Slug Replacement Replacement Slug Adjacent Slugs 4 Remove th...

Страница 36: ...ead head and magnetize the timing disk 5 Replace the remaining parts in reverse order 36 Timing Disk Magnetization 1 Remove the 1403 cover on the right side 2 Check that the ampliflers do not have cold solder connections at the wire Tap 3 Use a blank edge connector part 595978 insert that has a 2 watt 300 ohm resistor part 334931 con nected between pins M and B and has pin D jumpered to pin J 4 Ma...

Страница 37: ...t X to its end The end must not protrude at all The chamois must touch only the back of the chain and nothing else Hammer Unit Assembly Hammer Unit Assembly Removal 1 Remove the forms 2 Remove the top forms guide 3 Remove the service mounts from the inside of the left front cover 4 Slide the rear forms stacker down out of the way S Open the rear door and remove the inside rear cover 6 Remove the a...

Страница 38: ... to the Paper Path Models 1 2 4 5 and 6 1 Remove the cover nose cone from the front of the hammers 2 Align the left upper and lower tractors with the first ten hammers hammers 1 through 10 3 Align the right upper and lower tractors with the last ten hammers hammers 123 through 132 on Models 2 and 5 hammers 91 through 100 on Models 1 and 4 and hammers III through 120 on Model 6 4 Examine the tracto...

Страница 39: ...r unit magnet assembly a Remove the magnet wires slip connectors from the pins Use tool part 461043 for the con nectors b Remove the holding screws for the hammer magnet assembly see Figure 30 c Lift the assembly from the mounting 3 Replace the hammer magnet assembly and adjust See Individual Hammer Magnet Assembly Adfust ment a Slip the magnet leads onto the connector pins 4 Replace the remaining...

Страница 40: ...ol bar to the hammer mounting bar b Carefully slide the print impression control bar out from inside the hammer assemblies c Lift the hammer mounting bar and remove the hammer holding screw d Lift out the hammer by gripping the base Do not bend or scratch the springs 3 Reinstall in reverse order Install the square inner surface of the hammer to the rear Keep the rubber of the print impression cont...

Страница 41: ...the lower support bar c Position the left edge of the sense finger a maxi mum of 144 Ji from the left upper base of the T casting on which is mounted the ribbon spool center d Be sure that the drive unit is as far to the righ as possible in its locating slot when doing step c e Tighten the screws in the lower support bar 2 Provide free movement a Loosen the screws in the upper ribbon casting mount...

Страница 42: ...s light nonuniform printing from end to end Clutch Housing Compression Plates 3 If the conditions as stated in step 2 are met no further adjustment is necessary Proceed to step 9 4 Position the ribbon shield support bracket a Loosen the collars on the T casting hinge pin b Position the ribbon shield support bracket so that the key on the bracket enters freely into the slot in the right end movable...

Страница 43: ...Figure 35 Ribbon Shield Right End Figure 36 Ribbon Shield Left End 43 ...

Страница 44: ... is to be in stalled flush with the scribe line on the left end of the bar and flush with the bar s lower lip 7 Remove the tape backing strip from the shield part 473813 Avoid touching the tape adhesive surface Align the left end of the shield with the scribe line and the lip edge and attach firmly Pull gently on the other end while visually aligning the shield s bottom edge flush with the lip Att...

Страница 45: ...t when the upper spindle is turned counterclockwise when viewed from the spindle end The lower pawl should ratchet when the lower spindle is turned clockwise when viewed from the spindle end Upper Ribbon Drive and Drag Assembly Removal 1 Remove the cover from the ribbon assembly 2 Remove the ribbon 3 Remove the ribbon motor drive gear cover 4 Remove the skew assembly spring 5 Remove the retaining ...

Страница 46: ...clutch removal a Remove the horseshoe clip on the lower ribbon drive assembly b Remove the lower ribbon drive CLUTCH ENGAG ED Figure 37 Tooth Style Ribbon Clutch 46 3 Free the ribbon clutch a Remove the horseshoe clip on the ribbon clutch shaft h Remove the screws in the clutch magnet hous ing c Remove the clutch magnet housing 4 Remove the ribbon clutch a Hold the clutch shaft drive gear in your ...

Страница 47: ... it align one edge of the ribbon so that this edge is l l from the edge of the cardboard spools b Place the ribbon in the machine with the aligned edge to the left Pass the ribbon through the slot in the cell and lamp unit Tum the spools to pull the ribbon taut c Adjust the cell and lamp unit to the left or right to align the scribed mark which denotes the cell and lamp center line with the ribbon...

Страница 48: ...Pivot plate Cam and Motor frame Assembly Figure 39 A uxiliatY Ribbon Correction Device 48 Switch com Motor ...

Страница 49: ...d Relay to the is shou Id be to the is Energized Right Uncovered Rear S2 A Left Covered Front Sl None left Covered Rear S2 B Right Uncovered Front Sl A and B front of the machine at about a 130 angle above the horizontal Recheck the eccentric adjustment Refer to Pivot Plate Eccentric Adjustment Switch Adjustment Adjust each switch to open when its roller is about three quarters of the way to the h...

Страница 50: ... h 11 1 OV l U lV l l I I l OV ll l l I 5 a lV l UOVU UUJ u ll l l I I OV V I 1 I U lamp slot causes the device to work properly a Lamp voltage is too high The lamp is too bright and shines through the ribbon Because the cell is always receiving light the circuitry interprets this to mean that the ribbon is to the right no matter what its actual position Thus the de vice corrects to the left 4 Rib...

Страница 51: ...to the cable body Hydraulic Unit Do not dismantle the hydraulic unit unless trouble is positively traced to this area If disassembly is neces sary observe extreme cleanliness when reassembling the components Never wipe the fluid filter with a cloth of any type The filter pores would clog causing reduced fluid pressure and many carriage failures A spare reservoir gasket assembly should be available...

Страница 52: ...t the fluid drain is closed before filling 4 Make any adjustments that are reflected by the work done inside the unit Always include these a The emitter brush or magnetic emitter b The tape brushes dynamically 5 Adjust the following also if required 52 a Space skip and bypass needle valves b Carriage control circuits for single double and triple spacing Hydraulic Unit Reservoir Removal l Remove th...

Страница 53: ...in reverse order 9 Replace the remaining parts in reverse order Eccentric Detent Stop Stud Control Valve Body Assembly Removal Reservoir not Removed The following is a quick method of removing the valve body assembly IBM recommends this method when you work on the hydraulic unit that has the reservoir holding screws on the inside of the IBM 1403 A special tool a Kl allen head tip part 451913 is ne...

Страница 54: ...hem loose 54 LEGEND t J i j Normal Fluid Flow Low Pressure Minimum Fluid Flow Through Bypass Pressure at Equilibrium with Normal b Place the aligning tool part 450980 around the output shaft of the motor and over the boss on the reservoir mounting plate c This tool ensures that the output shaft is cen tered in relation to the outside circumference of the boss Consequently the output shaft will be ...

Страница 55: ... single space single shot f Adjust the emitter brush or magnetic emitter g Adjust the carriage tape brushes dynamically Hydraulic Pump Drive Belt Tension Shift the drive motor in its slots to obtain Ye to l deflection of the belt halfway between the drive motor and 1 The space pump on the Model 6 Printer or 2 The eject pump on Models 1 2 3 4 and 5 when applying a force of one pound about 450 grams...

Страница 56: ... seal s If removing both oil seals be sure to identify the 56 pulleys and seal retainer in order to replace them on the correct shaft a Remove the taper pin from input drive pulley Take care not to bend the shaft Remove the pulley b Remove the four screws holding the pump bear ing retainer and remove the retainer c Remove the nylon spacer from shaft d Remove the bearing The bearing has a nylon in ...

Страница 57: ...creen of an oscilloscope The tachometer generator method is to be preferred Space Control Magnet Adiu5tment 1 Turn off the printer mainline switch to prevent the operation of the carriage drive motor Some of the following adjustments require that the system power be on so that the hydraulic unit space start and space stop magnets can be energized 2 Remove the valve body assembly If the reservoir i...

Страница 58: ...ts must be checked Space Control Valve Adiustment 1 Adjust the space control magnets 2 Be sure that at least half of the lower threaded por tion of the operating rod is screwed into the control valve and that the locking nut at the upper end of the control valve is tight 58 Note It is imperative that no scratches or marks or slight bends of any kind be made on the operating rod These would lead to...

Страница 59: ...he eccentric down This causes the pounding of the detent arm to tighten the holding nut 5 Adjust the detent backstop for a clearance of 020 to 025 between the detent arm and the detent wheel when the arm is held against the backstop Figure 49 6 Replace the reservoir that encloses the hydraulic unit Space Needle Valve Adiustment 1 Set up the carriage a Remove the paper from the carriage b Tape the ...

Страница 60: ... mum of five turns stop the carriage motor so that the hydraulic pumps are not moving Turn down on the front left screw until it is dosed Then back off five full turns on this screw Tighten the lockscrew the front right screw 2 If nipping is detected adjust the needle valve to stop the detent from nipping c From the nip condition close the needle valve only far enough to bring the detent to rest a...

Страница 61: ...e carriage b Check that the upper front paper guides are removed This may occur due to carriage drift Figure 52 Bypass Adjusted Correctly Figure 53 Single Space Single Shot Adjusted Correctly c Check that the manual clutch is in 6 lines per inch drive position d Program for single space 3 Start the carriage by pressing the start key 4 Draw line graphs on the paper while it is feeding 5 Adjust the ...

Страница 62: ...ing continuously at low speed check the am plified output at the El sync point or terminal 1 on the amplifier card for a 8V minimum normally 12V b 1 1 to 1 5 ms duration c 2 to 30 microseconds rise time d 1 to 30 microseconds fall time Magnetic EmiHer Timing Using Pencil Trace This adjustment is for Models 1 and 2 only Adjust the emitter adjusting arm see Figure 54 Timing should Sharp change shoul...

Страница 63: ...le space 6 lines per inch to prevent excessive pull in on double space 8 lines per inch 7 Check the brush setting for double space a Set the manual clutch to 8 lines per inch drive position b Program for double space c Start the carriage and draw line graphs 8 Readjust the brush assembly as required for the best line graph of a Double space 8 lines per inch b Triple space 6 lines per inch 9 After ...

Страница 64: ...m the space stop magnet terminal 2 resistor 3 as the second input to the scope On single input scopes two signals can be examined separately in relation to the start magnet impulse Note A defective capacitor or one of incorrect rating alters the tach generator output trace on the scope The capacitor should remove high frequency oscillation from the SIOOpe trace without affecting pulse timing Check...

Страница 65: ...6 Carriage Interlock Time 21 4 21 4 20 8 22 5 22 5 o Forms Interlock Single Shot 10 10 14 14 14 Notes CD These timings are valid only when a particular model printer is used with the system for which it was originally designed For other printer system combinations refer to the manual for the system for correct timings o The actual setting may vary for optimum carriage operation The actual setting ...

Страница 66: ...odels 1 2 3 4 and 5 Single Space Single Shot Adiustment Using Tach Generator Note These timings are valid only when the particular printer model indicated is used with a system for which it was originally designed If the printer is used with any other system refer to the system specifications for the correct timings Figure 59 These adjustments are made in the system to pro duce the desired result ...

Страница 67: ...osition 2 Program for double space after print only 3 Start the carriage by pressing the start key 4 Adjust the double space 9 8 ms single shot for minimum stabilization time The pencil trace or scope pictures should be similar to those in Figures 56 64 and 65 5 Set the manual clutch to 6lines per inch and repeat the observation of the pencil trace or scope picture 6 The final adjustment of the do...

Страница 68: ... the same time the double space single shot times out 6 Program for triple space after print only 7 Observe the time that the triple space single shot times out The magnetic emitter impulse for the 3 line skip should occur at the same time 8 The final emitter timing is a compromise to provide emitter pulses timed as closely as possible to the time out of both the double space and triple space sing...

Страница 69: ...h 3 Run the program and observe the scope trace 4 Shift the emitter brush holder to obtain the least time for the tractor shaft to stabilize refer to Fig ure 62 Space Start Impulse See Table 2 Figure 59 Space Stop Impulse Double Space SS Controlled Starts Timing Out 29 Millisecond Single Shot 29 Millise Printing C I I r f Double Space Single Shot Set to Best Condition 12 Milliseconds from Stop Imp...

Страница 70: ...BRUSH HOLDER Figure 67 Carriage Tape Brush Projection 2 Adjust the brush separator for approximate center ing of the brushes in the separator slots by turning the threaded brush guide pivot shaft in conjunc tion with the separator collars Adjust for minimum end shake of the separator and no binds or inter ference when the separator is pivoted out to en close the brush tips Position the threaded po...

Страница 71: ... these adjustments have been made adjust the carriage tape brushes dynamically Caution Be sure the stop rod is located so that it will not contact the raised hub of the contact roll Blown fuses could result Dynamic Adjustment of the Carriage Tape Brushes 1 Be sure 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 adjust...

Страница 72: ...or leads from the terminal block 72 3 Remove the gear cover from the movable base 4 Remove the gear and key from the train motor shaft 5 Remove the train motor from the movable base 6 Remove the transducer with its leads attached and place it out of the way in a safe place 7 Remove the two movable base front gibs Fig ure 69 8 Remove the two screws washers and locknuts that hold the rear edge of th...

Страница 73: ...e T casting for a maxi mum clearance of 001 as follows a Tighten the two front gibs that hold the movable base to the T casting screws under T casting b Loosen the two locknuts on the two screws that hold the rear edge of the movable base down c Tighten these nuts enough to remove the clear ance between the screw threads and threads in the T casting d Hold the nuts with a wrench and adjust each sc...

Страница 74: ...correctly front to rear and adjusting the type cartridge and movable base correctly on the T casting The procedure for adjusting the Model 3 is the same as for the Model 2 with the exception of the changes made in the first section as follo w s 3 Do not remove the ribbon 5 Set the print denSity control to C 6 Set the forms thickness control lever at 004 Train Motor Drive Gear Adjustment 1 Remove t...

Страница 75: ...e sure it does not contaminate the felt pads Use a brush to clean out the angular cleaning slots at each end of the base plate Train Cartridge Reassembly 1 Check the felt pads Figure 71 to be sure that con tact is maintained from the plugs through the wicks in the bottom of the slug clearance slot Do not overoil If new felt plugs are installed apply about 50 to 60 drops of the special lubricant pa...

Страница 76: ...Handle II If I I I I Ribbon I Guide Bar I I Track Slug Removal Slot Filli ter Head Screws 5 1 Figure 71 mM 1416 Train Cartridge 76 Ribbon Guides ...

Страница 77: ... below the possibility of the spacers slipping out of p tion will be minimized 13 Check to be sure there is a cle f nce of 002 hi 003 between the setscrews in the upper plate and the gear thi i lst plates both ends Adjust the set screws as required Fi ure 74 _ Drive Gear I I J Spot Mark Standard pes TIT J LflOq WVU T2 Figure 73 Type Slug to Drive Gear Timing 14 Check the slug to slug clearance of ...

Страница 78: ...te push them down to keep them in place This is to prevent loss of the type slug order 8 Remove the shield and thrust plates from each gear Note The two shields are not identical and must be replaced m their original position Slide the idler end of the cartridge over the edge of the table Push up from below andJift the idler gear out from above Keep the type slugs in proper order 9 Insert the new ...

Страница 79: ...ugs Perhaps the best way to do this is simply to operate the cartridge for a minute or two on the machine Figure 76 Chec ing Projection of Feeler Gage Caution Before operating under power check to see that the train is not bound up tight If it is open the slug clearance as described until the train is free and then run it under power without printing and with no ribbon 17 After running under power...

Страница 80: ...out adjusting setscrew Clamp the pivot stud snugly but not tightly with the holding screws d Slowly screw in on the adjusting setscrew until the correct accumulated slug to slug clearance is obtained Note Take sufficient pains to make this adjustment carefully since it can be made only in one direction that is bv turninQ in on the adiusting setscrew If you tum this screw in too far you have lost t...

Страница 81: ...the wick should be moist Note The lubricator motor output shaft rotates at a speed of 1 revolution in 8 hours I Motor Figure 78 Train Lubricator Plunger 6 oUIIOI Hammer Unit Assembly Hammer Unit Assembly Removal 1 Remove the forms 2 Remove the top forms guide 3 Push the tractors aside to avoid catching the com pressors on them 4 Open the rear door and slide the rear forms stacker down out of the w...

Страница 82: ...a chine 6 Run the printer and check the printing Adjust as required Refer to Individual Hammer Flight Time Ad ustment Individual Hammer Flight Time Adiustment Adjust individual hammers only after determining that the overall Liming is correct Refer to Timing Disk Transducer Ad ustments 1 Remove the top forms guide 2 Open the rear door and slide the rear forms stacker down out of the way 3 Remove t...

Страница 83: ...idual may have to be moved to remove the coil 7 Install the new coil and snap it into place B Route the coil leads around the assembly as shown in Figure 79 I Mouoong Scn W 2 9 Replace the backstop and connect the magn t leads to the proper terminals 10 Reassemble the printer and check the print den sity Refer to Magnet Assembly Backstop Adjust ment if required 11 Run the printer and check for pri...

Страница 84: ...lamp screw enough to pro vide a light drag on the backstop 7 Rotate the adjusting setscrew Figure 80 to make the backstop to armature clearance similar to adja cent magnet assemblies Completely loosen the clamp screw and retighten Yoke Figure SO Hammer Magnet Assembly 84 Adjusting Setscrew 8 Reassemble the machine and check thc print den sity 9 To increase the print density increase the back stop ...

Страница 85: ...for the hammer to be removed Wedge 4 Slide the mounting block forward out of its position If necessary loosen the adjacent blocks so the block in question may be removed At this point you have a choice Perform either step 7 or steps 5 and 6 5 Remove the hammer spring retaining plate Figure 81 on the rear of the block Be careful to retain all springs and plungers 6 Push the hammer pivot pin out and...

Страница 86: ...ots do not inter change them 1 Move the hammer unit onto the service rails 2 Remove the upper and lower hammer unit covers 3 Pivot both top and bottom magnet assembly mount ing plates to expose the hammer mounting bar assembly 4 Remove the complete hammer mounting bar assem bly from the hammer unit Trademark of Alpha Molykote Corp 86 Lower Plate Tenon121 Long Pushrod Shank Figure 83 Pushrod Assemb...

Страница 87: ...ustment Ribbon Unit With the exception of the skew correction mechanism all service procedures for the Model 3 ribbon unit are the same as for the Model 2 Refer to the first section of this manual IBM 1403 Printer Models 1 2 3 4 5 and 6 Skew Correction Mechanism Sense Lever Switch Ad ustments Adjust the switch to operate when the stud on the sense lever Figure 84 rests on the switch plunger The pl...

Страница 88: ...s shaft to the motor shaft 3 Rotate the shaft so the eccentric positions the top 88 Motor Cam Type of the nivot nlate and unner left ribbon snool as far L L L to the front as possible 4 Tighten the shaft setscrews Roll Pin Collar Adjustment 1 Make the eccentric shaft adjustment first and leave it so the upper left ribbon spool is to the front as far as possible 2 Loosen the roll pin collar setscre...

Страница 89: ...tractor paper guides carefully If they are bent or deformed and are not Hat against the tractor casting remove and straighten them It may be helpful to induce a slight bow in the guides top and bottom arc toward the rear so when they are remounted they will be Hat 7 With the tractor doors open place the special Model 3 alignment tool part 452457 vertically against the tractor paper guide plates Fi...

Страница 90: ...set the forms thickness lever on 019 3 Insert the 100 rod end of the tool part 452457 at the left end of the cartridge between the ham mer locating block see Figure 82 and a type slug with wide characters Figure 88 4 Decrease the forms thickness setting until a light drag on the tool is obtained If the clearance is 90 Pivot Magnet Mounting Plate Holding Screw 2 I J r 1 1 c ccenrnc crew W Magnet Mo...

Страница 91: ... machine 1 Set the density control to A if adjusting in the ma chine The density control automatically returns to the A setting when the hammer unit is removed 2 Check and adjust if necessary the 047 location of the impression control bar Use tool part 452457 and measure between the front edge of the impres sion control bar and the front edge of the hammer unit locating block see Figure 82 Adjust ...

Страница 92: ...y f T il 1d1 G 01 PCS F Only I_ Ai _ Timing Disk J OEf I 1 I I I 1 t 1 o MotorMounting 1 I __ Screw 4 I I I 9 JJJ j r i PeS Transducer t 4 Transducer Timing Adjusting Screw Figure 91 Train Drive and Timing Disk 92 ...

Страница 93: ...utput are properly adjusted check the overall print timing by one of the following methods Refer to Figure 93 Waveform as seen at Pin B of SA l using a direct probe Vertical 50 millivolts division Horizontal 100 microseconds division Figure 92 Transducer Output Waveform Horizontal Registration Figure 93 Print Registration Method 1 I Vertical Registration T Casting Jackscrew or Chock Block Transduc...

Страница 94: ...90 to the plane of the paper when viewed from the top with the T casting closed 2 Set the pointer to the center of its adjustment slot in the idler gear 94 3 Mesh the idler gear to the drum and motor gear holding the drum gear in the position of step 1 so the pointer is about 8 from horizontal toward the front of the machine as viewed from the top pes Transducer Output 1 The air gap between the po...

Страница 95: ...ive density chart Figure 95 Average Edge and Stroke Width Print Quality Concepts Contrast Contrast is the difference in density measurement be tween the character and the background area This can also be defined as the difference between print reflec tion from the printed character and background reflec tion from the surface of the document Extraneous Ink Extraneous ink or other particles is any s...

Страница 96: ... Figure 101 illustrates the 407 1 reticle part 451597 A 407 E 1 reticle part 451596 and a 1428 reticle part 451995 are also available With this device you can observe whether the confines of the character are within the minimum and maximum character stroke widths Detailed in structions accompany this device As optical character readers are developed to read other fonts or characters appropriate co...

Страница 97: ...ge for the mM 1418 is part 451590 for the mM 1428 part 451990 By using the pocket comparator and the document registration gage spe cific print faults can be identified Be especially ob servant of stroke width Character stroke width should measute 010 through 018 except that a maximum of 25 of the stroke can range from 008 through 022 This recognizes that ribbon printing when viewed through a magn...

Страница 98: ...e of the hammer to cartridge relationship if the cartridge loos ens for any reason The interchangeable cartridge is self aligning 98 Excessive Oil and Ink Wipe off all excess oil ink etc from the cartridge T casting and ribbon shield Observe the quantity of oil imparted to the ribbon from the chain lubrication system A nominal amount of oil does not greatly affect the print quality Exces sive amou...

Страница 99: ...k for sticky oil and dirt on the hammer re bound damper bar and the armature tail where they meet This can cause highly intermittent late timing or light density the first time a hammer is used after a period of no use The damper bar is easily removed from the rear of the machine for cleaning 11 Improper chain tension Refer to Lower Plate to Cartridge Reassembly 12 Check for proper setting of the ...

Страница 100: ... Individual Hammer Magnet Assemblies for Timing and Density Phantom Printing Refer to the area marked A in the enlargement Fig ure 109 This occurs because of the stiffness of the document It is encountered when printing on card stock or other heavy forms Adjust the paper guides and use a lighter inked ribbon to minimize phantom printing 100 16263646566676869606 6 60a6 6 606 16263646566676869606 6 ...

Страница 101: ...1 1Dol 101918111915141312110036 11213141516171819101 1Dol 101918171915141312110036 11213141516171819101 1001 101918111915141312110036 11213141516171819101 1Dol 101918111915141312110036 11213141516171819101 1DOI 101918111915141312110036 12233242526272829202 2002 20292827262524232221 Figure 109 Phantom Printing and Slur 101 ...

Страница 102: ... switch to condition the printer Operate it only when the system power is off It does not re move all dc voltages Convenience Outlet This is available from underneath at the rear of the printer Terminal Blocks TB I IO position terminal rear cover frame TB 2 B position terminal in hydraulic reservoir TB 3 3 position terminal on printer casting at upper left TB 4 for hammer magnet when installed blo...

Страница 103: ...AL DEFLECTION HORIZONTAL DEFLECTION SYNC TEST POINT LOGIC COMMENT I II I II I I I I I I I I I I 11 I III I I 1 I I I I I I I I I I I Figure 110 Oscilloscope Waveform Charts I III II 1 f I I II I I I I I I I oJ I I VERTICAL DEFLECTION HORIZONTAL DEFLECTION SYNC TEST POINT LOGIC COMMENT III I I h II II I I I VERTICAL DEFLECTION HORIZONTAL DEFLECTION SYNC TEST POINT LOGIC COMMENT I I III I I I I 11 I...

Страница 104: ...22 2 24 A 12 25 J B 1 13 9 35 2 57 C 3 79 5 101 Y 26 K B 2 27 L B 3 14 0 2 36 J 3 58 C 80 6 2 102 Z 28 M B 4 29 N B 5 15 II 3 37 J 59 0 2 81 7 3 103 Z 30 0 B 6 31 P B 7 16 38 K 2 t IJ E 3 82 7 104 32 Q B 8 33 R B 9 17 2 39 L 3 61 E 83 8 2 105 34 B 10 35 B 11 1 36 I B 12 37 A AB 1 18 1 13 140 1L 1 1 1 62 1F 12 184 1 9 I 3 1 106 1 I 1 191 II 1141 1 M 1 2 11 63 1G 1 3 11 85 1 9 1 1 11 107 1 I 38 B AB...

Страница 105: ...y Removal 39 Hammer Unit Assembly 81 Hammer Unit Removal 37 81 Heavy Stroke Width 100 Horizontal T Casting Positioning 26 90 Hydraulic Detent Stop Adjustment 59 Hydraulic Pump Drive Belt Tension 55 Hydraulic Unit Oil Seal Replacement 56 Hydraulic Unit Reassembly 54 Hydraulic Unit Removal 51 Hydraulic Unit Replacement 52 Hydraulic Unit Reservoir Removal 52 mM 1416 Train Cartridge 75 Impression Cont...

Страница 106: ...nted Jam Detection Device Adjustment 18 Tractor Shaft and Mounting Bar Replacement 19 Tractor Shafts and Tractor Mounting Bars Removal 15 Train Cartridge Reassembly 75 Ribbon Shield 98 Train Cleaning 75 Ribbon Shield and Print Line Indicator Adjustment 41 Ribbon Skew Adjustment 41 Ribbon lTnit 41 87 Train Lubricator 81 Train Motor Drive Gear Adjustment 74 Train Slug Clearance Adjustment 79 Transla...

Страница 107: ...llowing terms best describes your job Customet Personnel IBAI Pet sonnel Manager Systems Analyst Operator Programmer Trainee o o o o o Other ______ Customer Engineer Instructor o o Sales Representative 0 Systems Engineer 0 Trainee 0 Other _____________ Check specific comment if any and explain in the space below Give page number No o o o o o o Suggested Change Page 0 Suggested Addition Page o Erro...

Страница 108: ...ion Product Publications Dept 171 POSTAGE WILL BE PAID BY IBM Corporation P O Box 6 Endicott N Y 13764 FIRST CLASS PERMIT NO 170 ENDICOTT N Y Staple Fold Fold Fold llrn I International Business Machines Corporation Field Engineering Division 112 East Post Road White Plains N Y 10601 u ...

Страница 109: ...e E I I I I r m I m I I til t 1 X I cuth r _ 1 225 6493 4 International Business Machines Corporation Field Engineering Division 112 East Post Road White Plains N Y 10601 ...

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