Teletype 14, Bulletin

Page 1: ...USTMENTS AND LUBRICATION MODEL 14 TYPE BAR TAPE PR INTER FP FB FK TELETYPE BULLETIN 127B SUBSIDIARY OF We5r rn Electric Company INC CHICAGO ILLINOIS u S A Copyright 1936 and 1946 by Teletype Corporation Printed in U S A ...

Page 2: ...127U ...

Page 3: ...127B MODEL 14 SENDING RECEIVING TAPE PRINTER LESS COVER ...

Page 4: ...12713 MODEL 14 RECEIVING ONLY TAPE PRINTER LESS COVER ...

Page 5: ...ptember 1946 Issue PAGE CHANG E IN EFFECT Title Page Original A to E Original 1 to 41 Original The above Iist indicates the effective pages as of the date of issue Upon receipt of change pages insert them numerically and dis card any superseded pages ORIGINAL ...

Page 6: ...ng Lever Spring Tension 6 2 a 8 e Locking Wedge Adjustment 6 2 a 8 d Selector Arm Bracket Adjustment 5 2 a 8 m Selector Arm Operating Screw Adjustment 7 2 a 8 c Selector Arm Pivot Screw Adjustment 5 2 a 8 n Selector Arm Spring Tension 7 2 a 8 g Selector Arm Stop Detent Adjustment 6 2 a 8 h Selector Arm Stop Detent Spring Tension 6 2 a 8 i Selector Lever Spring Tension 6 2 a 8 b Selector Magnet Adj...

Page 7: ... Plate Eccentric 17 2 a 65 h Shift Plate Eccentric Units Equipped With 84584 Release Pull Bar 17 2 a 65 g Shift Plate Units Equipped With 84584 Release Pull Bar 17 2 a 17 Pull Bar Guide Adjustment 9 2 a 35 Pull Bar Lock out Lever Adjustment 11 2 a 15 Pull Bar Springs Tension 9 2 a 7 Pulling Magnet Selector Mechanism Adjustments 2 2 a 7 h Armature Locking Lever Spring Tension 4 2 a 7 g Armature Loc...

Page 8: ...ape Chute Adjustment 10 2 a 26 Tape Feed Roll Spring Tension 10 2 a 34 Type Bar Removal 11 2 a 66 Unshift On Space Pull Bar Blocking Mechanism 18 2 b Keyboard Base Adjustments 18 2 b 6 Bell Hammer Extension Stop Adjustment 18 2 b 7 Bell Hammer Spring Tension 18 2 b 17 Clutch Spring Compression 19 2 b 16 Clutch Throwout Lever Adjustment 19 2 bo 20 Clutch Throwout Lever Eccentric Adjustment 19 2 b 2...

Page 9: ...t 18 2 c Governor Adjustments 22 2 c 10 Governor Adjusting Bracket Adjustment 23 2 c 6 Governor Brush Position 22 2 c 8 Governor Brush Spring Plate Bracket Adjustment 23 2 c 9 Governor Brush Spring Pressure 23 2 c 9 a Inner Disc Brush Spring 23 2 c 9 b Outer Disc Brush Spring 23 2 c 3 Governor Brush Spring Requirement 22 2 c 4 Governor Shims Adjustment 22 2 c 7 Inner and Outer Disc Contact Spring ...

Page 10: ...ature spring adjusting screw to a position where it wi II require 6 to 6 3 8 ozs to stretch the armature spring to its position length Then transmit RY the letters Rand Y sent alternately to the printer continually while the re ceiving range is being determined This procedure is described in the following paragraphs 1 e PULLING MAG NET SELECTOR NOTE If facilities for transmitting biased test signa...

Page 11: ...gs should exert a light pressure against the swords To adjust bend the leaf springs at the narrow portions so that the ends of the springs are 050 to 060 be low the under surface of the straight portions 2 a 2 MAIN SHAFT ADJUSTMENT When the main shaft is rotated the selector cams on the selector cam sleeve should line up with their respective se lector levers To adjust loosen the four screws that ...

Page 12: ...n a position mid way between the two stop posts by means of the No 72581 gauge pins inserted between the stop posts and the swords Be sure that both the armature extension arms are between the arms of the swordso With the swords held in this position place the Noo 73370 locating gauge over the ends of the Noo 1 sword so that the two legs of the gauge are against the ends of the sword armso Move th...

Page 13: ... LOCKING WEDGE AD JUSTIVIENT Figure 8 There should be 00611 to 01211 clearance between the point of the armature locking wedge and the point of the locking lever when the locking lever is on the long high part of the lock 4 127B ing cam and the two points are in line To adjust move the locking wedge forward or backward in its slot in the armature extension by means of the locking wedge lock nut 2 ...

Page 14: ... adjust loosen the armature upper pivot screw lock nut and position the armature by means of its upper pivot screw Tighten the lock nut and replace the selector magnet bracket Rehook the annature spring and the selector arm spring 2 a 8 b SELECTOR MAGNET ADJUSTMENT Figure 13 When the armature is in its operated po sition it should touch both magnet cores at approxi mately the centers of their pole...

Page 15: ... at the spring hole and pull in line with the spring It should require 4 to 5 1 2 ozs to start the lever moving away from the cam 0 2 a 8 g SELECTOR ARM STOP DETENT AD JUSTME NT Figure 14 With the locking leveron the 6 27B low part of its cam there should be an equal amount of clearance within 000311 between the sides of the locking wedge and the locking lever when the selector arm is in the MARKI...

Page 16: ... parallel without a 1000 ohm shunt Under this latter condition the ten sion should be 13to 15 ozs To adjust loosen the spring arm mounting nut and position the spring arm Then tighten the mounting nut Rehook the armature spring ORIGINAL 127B 20ao 8 m SELECTOR ARMOPERATING SCREW ADJUSTMENT Figure 18 With the selector magnet energized and the selector cam sleeve rotated so that the armature extensio...

Page 17: ...e unit is equipped with a mechanism to prevent printing andspacingon lowercase blank Re move the three type basket assembly mounting screws Remove the right ribbon spool bracket front mounting screw loosen the rear mounting 8 1278 screw and swing the bracket so that the ribbon spool cup wi II not interfere with the basket Remove the bell and break signal mechanism Hold the pull bars out of engagem...

Page 18: ...the sig nal bell hammer spring Replace the bell and break mechanism NOTE If the code bar assembly is removed from the pull bar guide plate care must be used in replacing as excess ive tightening of the code bar post nuts may cause the code bar separator ORIGINAL 127B collar to become embedded in the Germansilver separator washers To prevent this tighten the nuts as follows First back off the nuts ...

Page 19: ...rtically It should require 1 1 2 to 3 1 2 ozs to start the pawl moving 2 a 22 CARRIAGE BRACKET LOCATING PLATE After the front carriage bracket has been set in a position where the carriage moves freely back and TO 1278 forth in all positions of the spacing gear the carriage bracket locating plate should be moved against the bracket so that its three projections make contact with the bracket and fa...

Page 20: ...and tighten the bracket mounting screws The type bars should be free in their seg ment slots with a minimum amount of side play To ORIGINAL 127B check the freeness of a type bar move it clown so that thepallet rests Iightlyon theplatenroll Then when the type bar is released it should return to its normal position against the type bar pad If necessary the sides of the type bar may be lapped on a fi...

Page 21: ...left ribbon reverse arm shafts shou Id clear their respective ribbon spool cups by 005 to 025 when the ribbon reverse arms are held against the brackets to make the clearance a minimum Toadjust position the ribbon reverse arms on the ribbon reverse arm shafts by means of their set screws 2 a 43 RIBBON REVERSE ARM SHAFTS COLLAR ADJUSTMENTS Figure 39 and 87 Both right and left ribbon reverse arm sha...

Page 22: ...ORIGINAL 127B ADJUSTMENT Figure 44 With the main bail in its extreme downward position hook an 8 oz scale over the LETTERS pull bar just below the hump and pull horizontallyat a right angle to the pull bar It should require 1 to 1 1 2 ozs to start the pull bar moving Adjust the position of the spring bracket by means of its lock nut to meet this requirement 2 a 55 RIGHT FUNCTION PULL BAR SPRING BR...

Page 23: ...his clearance may be obtained by bending the bell hammer wire 2 a 60 a 3 CONTACT MOUNTING SCREWS ADJUSTMENT Figure 50 The contact arm should clear the ends of the contact guards by at least 020 when all of the play in the contact arm is taken up in a direction to make this clearance a minimum This adjustment can be made by means of the contact mount ingscrews 2 a 60 a 4 CONTACT SPRINGS ADJUST MENT...

Page 24: ...d the carriage in the FIGURES position rotate the main shaft until the blank pull bar moves intothe path set up for it in the code bars There should be 00611 to 040 clearance between the rear edge of the space suppression lever and the blank pull bar 2 a 62 b 2 Rotate the main shaft until the pu II bars are resting agai nst the code bars The end of the space suppression lever should clear the vert...

Page 25: ...w Replace the motor control contact guard 2 a 63 i MAIN BAIL SPRING ADJUSTMENT The prir lt itlg blow l e the force with which the type bars strike the platen can be adjusted by means of the main bail spring adjusting screw This adjust 16 127B ing screw is mounted just to the leftof the upper clutch throw out lever pivot screw which is shown in Fig ure 2A While the printer is printing loosen the lo...

Page 26: ...hift plate there should ORIGINAL 127B be from 010 to 020 cIearance Figure 91 between the locking surface of the locking pawl and theverti cal surface of the projection on the carriage shift plate 2 a 65 g 2 With the carriage shift plate eccentric rotatedso that it does not ir lil erfere with the shift lock lever and with the carriage in the LETTERS position select the FIGURES combination and rotat...

Page 27: ...ed with the keyboard base plate removed 18 127B against the gear guard hook an 8 oz scale at the springhole and pull in line with the spring It should require 3 to 5 ozs for the one piece design which measures approximately 2 inches in length between the pivot points or 2 to 4 ozs for the two piece design which measures approximately 1 inch between the pivot points to start the hammer mov ing 2 b ...

Page 28: ...OTE This adjustment applied only to those keyboards equipped with lock loops having an elongated hole for the roller pivot screw Rotate the keyboard shaft until the clutch teeth are dis engaged Press the lock loop roller against the cam to fullydisengagethe clutch teeth and position the locking levers directly below the lock loop blade to make the clearance a mini mum Under these conditions there ...

Page 29: ... TEN SION Figure 73 Hold the repeat yoke unoperated Ho kan 8 oz scale over the repeat space rod just belQw the spring and pull horizontally toward the front of the keyboard It should require 3 4 to 1 3 4 20 127B ozs to start the rod moving 2 b 25 b REPEAT YOKE LUG ADJUSTMENT Figure 74 See Note C With the push end of a 32 oz scale placed at the approximate center of the IISII keytop and when applyi...

Page 30: ...nce not more than 008 between the high part of the latching surface of the latch and the end of the slot in the stop magnet armature Adjust ORIGINAL 127B by means of the Iatch backstop screw 2 b 27 g STOP MAGNET ARMATURE SPRING TENSION Figure 78 See Note C With the stop magnet armature held operated and the stop magnet armature spring unhooked hook a 32 oz scale in the spring eye and pull the spri...

Page 31: ...re 81 Turn the adiusting wheel so that the tension on the governor contact is 13 to 14 ozs Measure by hooking a 32 oz scale over the contact spring arm next to the contact and pulling parallel to the speed adjusting spring To measure the pressure of the speed ad justing wheel friction washer insert a bank pin in the leather rim radially and hook a 32 oZo scale over the pin at the periphery of the ...

Page 32: ...and the pressure obtained take care tbat the contact brushes lie flat against their respective discs and that the outer edges of the brushes are either flush with or not more than 3 64 inside the outer edges of the discs ORIGINAL 127B NOTE If necessary level off the brushes by passing a piece of No 0000 sand paper between the brush and the disc REPLACE THE GOVERNOR ADJUSTING BRACKET 2 c 10 GOVERNO...

Page 33: ... oil lib erally on top of ball bearing just above the clutch This oil will work down through the groove in the 24 127B sleeve oiling the clutch and the sleeve 3 a 11 Selector clutch felt friction washers pry the driving discs apart with screw driver and saturate felts with oi I Do this at two diametrically opposite places at both top and bottom felt washers 3 a 12 Clutch throwout lever 2 pivots 3 ...

Page 34: ... lever end of lever on comming surface 3 a 46 Bell and break contact mechanism ad justments If so equipped 3 a 46 a Finger arm detent arm and contact ORIGINAL 127B arm pivots 3 a 46 b Extension of detent arm in finger arm fork 3 a 47 Mechanical end of Iine indicator me chanism If so equipped 3 a 47 a Worm shaft and release bail 2 bearings each 3 a 47 b Feed pawl 3 a 47 c Cam lever roller 3 a 47 d ...

Page 35: ...ack Remove base plate 3 b 13 Universal bar 2 pivots 3 b 14 Selector bar rollers 1 pivot each 3 b 15 Selector bars at each guide bracket 3 b l6 Key levers drop of oil on each key lever just in front of selector bars 26 3 b 18 Repeat space rod at bearing points and points of contact 3 b 19 Keyboard gear greaseo 30 b 20 Cams apply light fi 1m of grease to sur face of cams 0 3 b 21 Motor control on up...

Page 36: ...L ADJUSTING SCREW MAIN BAIL PLUNGER SEPARATOR PLATE r 0I0 TO O JI iit PULL BAR c J SELECTOR CAM SLEEVE CODE BARS MAIN BAIL PILOT SCREW t lL NOT OVER 002 ENDPLAY CLUTCH THROWOUT LEVER f MAIN SHAFT BEARING BRACKET r L r I THROWOUT LEVER SPRING 2 112 TO 4 OlS TO lSTART LEVER MOVING DRIVEN CLUTCH MEMBER MAIN SHAFT CLUTCH SPRING fi DRIVINGCLUTCH MEMBER THROWOUT CAM 24 TO 30 OlS FOR 60 W P M 32 TO 42 Ol...

Page 37: ... ARM OFJI SWORD SWORD L SELECTOR CAM NO I SELECTOR LEVER 1 LOCKING LEVER I FIGURE 10 SELECTOR CAM SELECTOR LEVER STOP POST ARMATURE EXTENSION NO I SWORD SOME CLEARANCE NOT MORE THAN 004 ARMATURE TRIP oFF ECCENTRIC SCREW TRIP LATCH STOP LEVER AT LEAST J 2 NOT OVER FULL WIDTH OF STOPLEVER FIGURE 7 FIGURE II x LOCK NUT SELECTOR MAGNET BRACKET r ARMATURE r ARMATURE EXTENSION ARMATURE PIVOT SCREW t MOU...

Page 38: ...TOR ARM ARMATURE EXTENSION 7 ARMATURE EXTENSION UPPER PIVOT SCREW r SELECTOR ARM LOCK NUT PIVOT SCREW SELECTOR ARM OPERATING SCREW 1 1 1 STOP DETENT ECCENTRIC POST L SELECTOR ARM STOP DETENT rn l j 11 010 MINIMUM CLEARANCE L SELECTOR ARM STOP DETENT SELECTOR ARM BRACKET 004 TO 006 GREATER THAN THIS CLEARANCE I B FIGURE 13 ARMATURE CAM FIGURE 14 AT LEAST 008 CLEARANCE ARMATURE EXTENSION SELECTOR AR...

Page 39: ...NG PAWL SPACER FEED PAWl I W J MrfM SPACER OPERm ING LEVEI H M MOUNTING SCREWS lllD 1 MI4l I 1 2 TO 2 1 2 OZS 040 TO 050 TO START PAWL MOVING SPACER lOCKING PAWL BRACKET MOUNTING SCREWS 3 1 4 TO 3 3 4 LBS TO STA T LEVER MOVING L DETENT LEVER SPRING DETENT LEVER ROLLER FIGURE 22 SPACER FEED PAWl I SPACER FEED PAWL SPRING 002 TO 018 I TO 2 OZS TO JI START PAWL MOVIN Z FIGURE 25 EQUAL CLEARANCES FUNC...

Page 40: ...BAR MOUNTING SCREW t ff CARRIAGE LOCKING TOE CARRIAGE CAPSTAN NUTS L ll l CARRI AGE LOCKING PAWL 020 TO 025 L J CARRIAGE LOCKING PAWL SPRING PLATEN ROLl 004 TO 080 TH LEVER CODE BAR FIGURE 28 PULL BAR GUIDE t l OOS TO 020 0 I MAIN BAIL wwM PULL BAR t CODE BARS r FIGURE 31 MAIN BAIL PLUNGER lII SPACER OPERATING LEVER I iog t SPACER RATCt T WHEEL TAPE FEED ROLL 6 TO 8 OZS TO 1 START LEVER MOVINGJ LE...

Page 41: ...ROCKER SHIFT ROCKER ARM SHIFT ROCKER LEVER l r SHIFT ROCKER LEVER POST MAIN BAIL IN HIGHEST PO PULL BAR t LOCK NUT Ej5 3 2 112 TO 5 OZS TO _ 1lSTART SHAFT MOVING RIBBON SPOOL SHAFT RIBBON SPOOL CUP 004 TO 040 S PULL BAR BELL PULL BAR CODE BAR PULL BAR GUIDE PULL BAR LOCK OUT LEVER r f HIFT ROCKER 6 l LEVER POST 010 APPROX CODE BARS PULL BAR GUIDE l l BELL PULL BAR MAIN BAIL FIGURE 38 FIGURE 35 COD...

Page 42: ...BON REVERSE LEVER r BRACKET r SAFETY SPRING COLLAR 9 1 1 2 TO 3 1 2 LBS TO MOVE SHAFT TO ITS RIGHT HAND POSITION SAFETY SPRING P 3 4 TO 3 3 4 OZS l ff F lTO START LEVER MOVING RIBBON FEED RATCHET RIBBON FEED SHAFT DETENT DETENT PLUNGER f FIGURE 41 WHEN TAKING THIS READING POSITION OF COLLAR SHOULDI L _ BE AS SHOWN RIBBON FEED SHAFT 3 TO 5 LBS 1 TO START COLLAR MOVINGJ RIBBON RE IERSE PAWL FIGURE 4...

Page 43: ...ORM SHAFT 015 TO 025 tH k l dHI r CAM LEVER W M A NNIG 1 I g ML RRO ffi CONTACT BRACKET 3 TO 4 OlS TO START SPRING 1 MOVING AWAY FROM STIFFENER r KEyED NUT FELT FRICTION WASHER FIGURE 48 lllr FELT OILER SELECTOR CAM FELT FRICTION WASHER SLEEVE SELECTOR CLUTCH S P R IN G II b SPACER CAPSTAN NUT III 1 BEARING STOP ARM __R 14 TO 18 OlS TO HOLD 1 SLEEVE STATIONARY FIGURE 51 WORM SHAFT WORM FOLLOWER LA...

Page 44: ...NG FIGURE 54 FIGURE 57 FIGURE 55 FEED PAWl b 3 TO 51 2 OZS TO L START PAWL MOVING FEED PAWL SPRING START LEVER MOVING r LATCH LEVER OPERATING LEVER L 1 2 TO I 1 2 OZS TO START LEVER MOVING G SPRING BELL BRACKET EXTENSION f CONTACT LEVER CONTACT LEVER BRACKET MOUNTING SCREWS 9 TO 12 OlS TO START LEVER MOVING MAIN BAIL J r IN DOWNWARD POSITION 1 _ 015 TO 030 LATCH LEVER EXTENSION h JT CLAMPING SCREW...

Page 45: ...OIO TO 025 CONTACT LEVER r CONTACT GUARD RIBBON FEED SHAFT BEVEL GEAR REVERSE ARM f I TO 2 OZS TO START SPRING t t 1 2 TO I OZ TO MOVING AWAY FROM STIFFENER EPARATE LONG SPRINGS CONTACT ASSEMBLY l3A TO 1 t k OZS TO SEPARATE CONTACTS 010 TO 020 I I CONTACT LEVER ADJUSTING SCREW RIBBON SPOOL BRACKET FRONT SPOOL END rrr __ jlH l RIBBON SPOOL SHAFT t 0iiT SPRiNG BRACKET MOUNTING SCREW r t REVERSING LE...

Page 46: ...GEAR GUARD SEE TE X T GEAR t _ FIGURE 67 FIGURE 64 FIGURE 65 REAR BEARING BRACKET r ADJUSTING NUTS f BUSHING TRANSMITTING CAM LOW PART FIGURE 68 FRONT BEARING 1 1 BRACKET TRANSMITTING CAM CYLINDER SOME END PLAY NOT MORE THAN 4 1 2 TO 5 1 2 OZS I TO OPEN CONTACTSJ BACK CONTACT SPRING CONTACT LEVER 1 BELL HAMMER EXTENSION r BELL I t t t BELL HAMMER OotTO 00 1 MOUNTING SCREW f FIGURE 69 CLUTCH SPRING...

Page 47: ...12 TO 16 OZS TO OPEN CONTACTS FIGURE 72 KEYLEVER SPRING FIGURE 76 S KEY LEVER RY L _t_ _ JiI C_ _ _ _ LUG MOUNTING SCREWS YOKE SHIMS 070 TO 080 el ____41f h STOP MAGNET ARMATURE I l LATCH lJ t o STARTMAGNET BRACKET t__ MOUt ING SCREWS It r Hll M START MAGNET CORES I IJ t SHIMS P YOKE INNER CONTACT ASSEMBLY__ g f _ 004 TO 008 NOT LESS THAN 7 OZS TO SEPARATE CONTA JCl ARMATURE STOP MOlNfING SCREWS I...

Page 48: ...GURE 78 L RRUSH HOLDER 015 TO 050 FIGURE 82 GOVERNOR BRUSH 3 TO 4 OZS TO DEPRESS BRUSHl TO ITS REQUIRED POSITION JI 3RUSH HOLDER BRACKET I MOUNTING SCREWS c I 1 2 TO 2 OZS TO START SPRING MOVING IJ I Im LATCH j YOKE I 015 TO 020 SOME CLEARANCE N OT J If ___ 1TI1r LATCH BACKSTOP SCREW MORE THAN 008 1c U JUI INNER CONTACT ASSEMBLY FIGURE 79 1 25 32 TO 27 32 OUTER DISC CONTACT SPRI NG 1 0 SOCKET WREN...

Page 49: ...i d J u J III I 2 FEED HOLES o 0 o 0 000 o 0 o 0 000 o 0 o 0 o 0 o 0 o 0 000 o 0 000 3 4 5 RIBBON SPOOL CUP ___ tlHf LINK 1 1 2 TO 4 1 2 OZS FIGURE 88 RIBBON REVERSE ARM J 1 YIELD SPRING FIGURE 87 RIBBON REVERSE PAWL 0IS TO 040 __ POSITION OF RIBBON REVERSE BAIL WHEN TAKING RIBBON REVERSE ARM YIELD SPRING TENSION 1 GOVERNOR SHELL 1 SPEED ADJUSTING LEVER r S STOP PLATE WEARING STRIP llL t AOJUSfING...

Page 50: ...GUIDE FEED ROLL LEVER RIBBON GUIDE PLATEN FIGURE 89 CENTER TAPE GUIDE FEED ROLL J LEFT TAPE GUIDE 006 TO 012 CLEARANCE PULL BAR EXTENSION 020 TO 040 FIGURE 92 u FlGURES LDCKI G WL RELEASE PULL BAR SHIFT LOCK LEVER _ FIGURES LOCKING PAWL 1 o1II1 F 00 I ER WASH ER LOCKING PAWL POST f FIGURE 90 CARRIAGE SHIFT P L A T E SPRING _h ii ECCENTRIC SCeEW 010 TO 0 2 0 j t r SCREW I I I SHOULDER SCREW G _ FIG...