Teletype MODEL 15 Manual Download Page 73

Page: 73 / 96

- 65 -

(B-138)

NOTE: Oil

both

loops of all

helical

springs

that exert a nominal tension ot

less

than

2-1/2 lbs.

Apply grease

to both loops of all

helical

springs

that exert a

nominal t

2-1/2

or more.

TYPE

BAR CARRIAGE ASSDBLY

(1)

(2)

(3)

(4)

(5)

(6)
(7)

(8)

(9)

(10)
(11)
(12)

(13)
(1

)

(15)

(16)
(17)

(18)

(19)
(20)

(21)

{22)
(23)

Type bars

- at segment slo t.

Code

ars

- at

posts.

Code

bar

bell cranks - on wearing surfaces.

Pu.ll bar bail guide rollers and guide surface (oil-grease-oil).

Plunger surface and rollers, surface of pull

bar

bail guide post

(oil-grease�il).

Operating roller (oil-grease-oil).
Carriage

support rollers - three.

Ribbon

rev

e b

Ribbon feed shaft bearing -

oil holes.

Ribbon feed pawl.

Ribbon

feed pawl operating

lever pivot screw and wearing surface.

Ribbon feed ratchet - teeth.

Ribbon lockout bar - at type bar segment slot.

Ribbon feed shaft bearings

- upper

and

Ribbon feed

mechanism

gears.

Ribbon Spool shafts bushings

- remove

spools.

Ribbon

reverse

shafts - upper and lower bearings, arms pawls, and

levers.

Margin bell

Ribbon

lever and

roller.

Oscillator lever shoulder screw and carriage casting slot.
Type bar carriage rack, space

shaft pinion

and travel.

Ribbon reverse

detent.

Ribbon

feed shaft

detent

- grease.

TYPING UNIT LESS THE TYPi:

BAR CARRIAGE ASSEMBLY

(A)

PLATEN UNIT

(l) Shaft bearings

(

one

each shaft hub

)

(2)

Line reed detent lever mounting shoulder screw.

(3)

Line feed detent roller.

(4)

Single-double line reed lever between flat spring and detenting cam

and where single-double line feed lever fits into groove

platen

shatt hub.

(5)

Line feed pawl

and

operating l.ever shoulder screws.

(6)

Shift detent roller - (grease).

( 7)

Platen unit

pivot

bear

ings

(S)

Upper ends of line feed and shift vertical links.

( 9)

Paper knife supporting

arms

and paper guide bearings.

(10)

Paper straightener lever bearings.

(11)

Paper straightener rod supporting lever bearings.

(12)

Pressure roller release shaft and

crank

bearings.

(13)

Pressure roller release cams, crank

and

shoulder screws.

(14)

Pressure roller shafts - bearing surface.

Summary of Contents for MODEL 15

Page 1: ... w N J l TELETYPE PRINTING TELEGRAPH SYSTEMS ADJUSTMENTS TYPEBAR PAGE PRINTER MODEL 15 LTEL YPEJ CORPORATION SUIISIDIAI Y Of Westem Electric Company C I ll C A G 0 U S A BULLETIN NO 138 ISSUE 5 OCTOBER 1944 ...

Page 2: ......

Page 3: ...gle Upper Contact 54 Upper Contact Lever Spring Tension Two Upper Contacts 56 CENTER CONTACT GOVERNOR ADJUSTMENTS Governor Adjusting Bracket Adjustment 51 Governor Brush Spring Plate Bracket Adjustment 51 Governor B rush Spring Pressure 51 Governor Shims Adjustment 52 Inner and Outer Disc Contact Spring Adjustment 50 Speed Adjusting Lever Stop Plate Adjustment 52 Speed Adjusting Wheel Friction Was...

Page 4: ...eed Printer Tabulator Mechanism Typing Unit Bail Unit Assembly Bell Function Carriage Return Mechanism Line Feed Function Main Shaft Motor Stop Mechanism Platen Unit Selector Unit Shi ft Unshift Mechanism Spacing Shaft Assembly Type Bar Carriage Assemb Vane Frame Assembly REPERFORATOR CONTROL MECHANISM Page 49 47 48 49 47 48 47 50 so 50 47 47 49 49 48 48 68 64 68 68 69 69 67 68 67 68 66 66 65 60 6...

Page 5: ...iage Return Clutch Spring Compression o 38 Carriage Return Function Lever Spring Tension 38 Carriage Return Latch Bar Latch Adjustment 57 Carriage Return Latch Bar Latch Shims Adjustment 36 Carriage Return Lock Bar Adjustment 37 Carriage Return Lock Bar I atch Eccentric Sorew Adjustment Yl Carriage Return Lock Bar Latch Spring Tension Yl Carriage Return Operating Lever Spring Tension 38 Carriage R...

Page 6: ...ion Locking FUnction Lever Spring Tension Main Shaft Adj ustment Main Shaft Jaw Clutch Spring Tension Main Shaft Jaw Clutch Throwout Lever Adjustment Main Shaft Jaw Clutch Throwout Lever Spring Tenaion J4argin Adjusting Screw Arm Spring Pressure Margin Bell Hanmer Adjustment Margin Bell Ha nmer Spring Tension Margin Bell Pawl Spring Tension argin Signal Bell Adjustment Motor P late Adjustment Pape...

Page 7: ...nt Selector Armature Bracket Link Friction Adjustment Selector Lever Sp ring Tension Selector Magnet Coil Adjustment Selector Separator Plate Adjustment Stop Lever Eccentric Screw Adjustment Stop Lever Spring Tension Trip Latch Spring Compression Reset Lever Down Stop Screw Adjustment Reset Lever tower Adjusting Screw Adjustment Ribbon Feed Pawl Spring Tension Ribbon Feed Shaft Bearing Plates Adju...

Page 8: ...isnal Bell Reset Bar Spring Tension Single Double Line Feed Detent Adjustment Single Double Line Feed Detent Spring Pressure Sixth Vane Adjustment SiXth Vane Detent Spring Tension Sixt h Vane Extension Adjustment Sixth Vane Extension Spring Compression Spac e Functio Lever Spring Tension Spacing Clutch Torque Spacing Eaeapen1ent Pawl Operating Arm Adjustment Spacing Esc apement Pawl Spring Tension...

Page 9: ...ghten aey screws or nuts which I11BiY have been loosened If a part that is 100unted on shims is to be dismantled the nwnber of shims used at each of its mounting screws should be noted so that the same shim pUe ups can be replaced when the part is re munted Care should be exercised in removing or installing the cover to avoid damaging parts in close proximit r As a precaution raise or lower the co...

Page 10: ...untU errors no longer appear at least 72 characters should be received without error This position indicates one limit of the orientation range Note the position of the index arm on the scale Determine the opposite end of the receiving range by repeating the foregoing procedure with the index arm near the opposite erli of the scale After the two limits of the receiving range have been found set th...

Page 11: ...8 to the rear Operate the carriage return lock bar again and ranove the carriage by sliding it off to the right PLUNGER GUIDE ROLLER BRACKET ADJUSTMENT Figure 2 See Note A There should be not more than 01011 clearance between either the right or left em of the pull bar bail ani the stripper plate Figure 5 when the bail i s moved to it s extreme forward position Also the flanged guide roller should...

Page 12: ...ce spring RIPLACE THE TYPE BAR SIG MEN l ASSEMBLY THE TYPE BAR BACKSTOP AND THE RIBBON CARRIER NOTE Care should be taken to locate the ribbon lockout oar and detent spring Figure l5 and the ribbon oscillator lever Figure 13 in their respective slots PULL BAR GUIDE ADJUSTMENT Figure S With the pull bar bail in its extreme rear position mve the code bars to the right Then mve the pull bar bail oppos...

Page 13: ...screws of both right and lett ribbon spool brackets and move the brackets upward as far as the elongated mounting holes will permit Tighten the mounting screws with the brackets vertical and at right angles to the casting Adjust the right bearing plate by means of its clamping nuts to meet the first req irement Adjust the left bearing plate in a like manner with the ribbon teed shaft in its right ...

Page 14: ...ot more than 006 To adjuat looaen the set ecrews of the vertical ribbon feed shaft apur geara and move the geara out of engagement with their res pective ribbon s pool shaft apur geara hen position the ribbon spool ahatt spur gears by means of their set scre WI When tightening the set screws make certain that ther bear against the flat faces on the ahatta VERTICAL RIBBON FEED SHAFT SPUR GEARS ADJU...

Page 15: ...equipped with the ribbon yield mechanism loosen the set screw of the spring block on the left ribbon reverse shaft and if necessar y the set screws of the ribbon reverse shaft collar and link Position the shaft while holding the ribbon reverse arm against the ribbon spool bracket and the spring block up against the reverse arm Then tighten the spring block set screw Adjust the right ribbon reverse...

Page 16: ...n a direction to make the plq between the spur gears a maximum RIBBON REVERSE ARM YIELD SPRING TENSION ADJUS l MENT Figure lOB Position the ribbon reverse bail so that it will block the full travel of the ribbon reverse arm and with the ribbon reverse pawl resting against the ribbon reverse bail Figure 11 apply the push end of an 8 oz scale held at a right angle to the ribbon reverse arm at the ce...

Page 17: ...centrally located with respect to the type bar guide To adjust position the ribbon shift lever bracket by means of its enlarged mounting holas Replace the ribbo n oscillator lever spring RIBBON OSCILLATOR L WER SPRING TORSION igure 12 See Note A With the ribbon shift lever spring relJloved hook an S oz scale over the lower end of the ribbon oscillator lever and pull horizontally toward the rear of...

Page 18: ...r respective code bars Re Place the le f t mounting screw and tighten both screws See page 39 f or final adjustment THE TWO FOLLOWING ADJUSTMENTS APPLY ONLY TO THOSE TYPING UNITS UIPPED WITH A THREE SECTION PULL BAR SPRING BRACKET RIGHT PULL BAR SPRIW BRACKET ADJUSTMENT Figure 17 S ee Note A With the pull bar bail in its extreme rear position the right end pull bar ard the fourth pull bar from the...

Page 19: ... rollers should turn freely without end play after lock nuts are tightened See Figure 22 for location of parts REST THE TYPING UNIT ON ITS RlGHT SIDE MAIN SHAFT ADJUSTl ENT When the main shaft is rotated the selector cams on the selector cam sleeve should line up with their respective selector levers To adjust loosen the four screws which hold the main shaft bearing caps and position the main shaf...

Page 20: ...n the eccentric against the bearing bracket PRINTING BAIL SHAFT RIGHT BEARING ADJUSTMENT The printing bail should have some end play not more than 01 To adjust remove the printing bail spring and position the right bearing b7 utilizing its elongated mounting holes Replace the printing bail spring Refer to Figure Zl for location of parts REPLACE THE TYPE BAR CARRIAGE IN ACCORDAI CE WITH THE FOLLCWI...

Page 21: ...ance between the pull bar bail and the pull bar hwups at the si de that had the least clearance is reduced to a minilm un and at the side that had the most clearance is increased to a maximum for the Printing Bail Adjustment ON TYPING UNITS EQUIPPED WITH A IV10 PI1 l E FUNJTION LEVER BAIL ASSEMBLY THE l ViO FOLLOWING ADJUSTMENTS APPLY REWVE THE TYPE BAR CARRIAGE FU TION LEVER BAIL ADJUSTHENT TWO P...

Page 22: ...lB Pemoved the the main sha f t rotated until the line feed function lever is drawn completely into selection with the vanes the travel of the function lever bail should be blocked by the selected function lever and the front ed e of the left projection of the function lever bail should be flush within 005 with the top front edge of the rear prong of the line feed function lever 3 There should be ...

Page 23: ...ane clamping screws and position the sixth vane by means of its pilot screws Tighten the clamping screws SELECTOR VANES ADJUSTt ENT Figure 24 The forked arms of Nos 1 2 3 4 and 5 vanes should line up with their respective T levers When the printing bail is in its extreme rear posi tion each vane should have some end play not more than 004 To adjust loosen the vane clamping screws and position the ...

Page 24: ...EIJX TOR SEPARATOR PLATE ADJUSTQNT Figure 30 NOTE The separator plate leaf springs are adjusted during the initial assembly of the unit and should require attention o if the selector bas been damaged or dismantled If it is fou nd necessary to check the adjustment extreme care should be exercised in the removal and replacement ot the selector lever sPrings to guard against distorting them The subse...

Page 25: ... on the peak of its cam l2 Hold the swords in a position midway between the two stop posts by means of the gauge pins inserted betwee n the stop posts and the swords Be sure that both the armature extension arms are betw een the arms of the swords With the swords held in this position place the No 73 70 locating gauge over the end of the No 1 sword so that the two legs of the gauge are against the...

Page 26: ... follows Loo sen the arma ture bracket mounting screws and the armature bracket link screw and move the armature bracket to the right or left so that the rear end of the link will move in the direction corresponding to the post at which a greater clearance is desired i e if the clearance between the sword and the right stop post is less than that between the sword and the left stop post move the b...

Page 27: ...tor stop pawl should overtravel the rearmost surface ot the motor stop pawl latch 010 to 025 when the armature is held in the laRKING position To adjust place the typing unit on ita right side and position the mtor atop lever bracket l r meana of ita enlarged mounting holes When making thia adjustment the mtor atop pawl backstop should not be in contact wLth the inner pawl LDTOR STOP LEVER ECCENTR...

Page 28: ... bail in its extreme rear position hook an 8os ecale held in a horizontal position over the inner stop pawl just in front ot the backstop and pull at right angles to the pawl It should require 1 2 to 1 os to start the pawl mving MOTOR STOP LEVER SPRING TENSION ADJUSTMENT Figure 35 UQhook the motor stop contact lever spring With the motor stop lever in the unoperated position hook an 8os scale over...

Page 29: ...p ott screw When remounting See Figure 39 ARMATUIU TRIP OFF ECCENTRIC SClUH AOJUBrMiil JT Figure 39 There should be some clearance not more than 00211 between the stop lever and the trip latch when the armature is in the unoperated position and the main shatt is rotated until the stopping edge oi the stop lever is direetlf below the latching surface o the trip latch l he trip latch plunaer ahould ...

Page 30: ...bly so that the cores are vertical am the armature by its own weight rests against the pole faces R eplace the selector magnet bracket NOl E When the cores are in proper adjustment it should require at least 3 l 2 lbs applied at right angles to the armature edge midwq between the cores to separate the armature from the cores when a current of 020 ampere is flowing through the magnet coils coils in...

Page 31: ...racket mounting screws just enough to make the bracket friction tight Then to equalize the clearance between the norde and the stop posts loosen the centralizing eccentric screw lock nut and turn the eccentric screw clockwise to provide more clearance on the SPJ CIHl aide or counterclockwise to provide more clearance on the lf ARKING s ld e NOTE Be sure that the selector arm stop detent does not i...

Page 32: ...position length SELEX TOR LEVER SffiiNG TENSION Figure 44 See Note A With the code bars in the MARKING position ani the main bail in its extreme forward posi tion move the swords manua l ly to the SPACING position Hook a 32 oz scale over the end of each selector lever at the selector cam sleeve and pull radially to the main shaft It should require 6 to 10 ozs to start each selector lever moving NO...

Page 33: ... will press the annature firmly against the magnet cores ihile making the one tenth of a turn adjustment be careful to avoid lost motion due to loose fitting crew threads With the selector magnet energized measure the clearance between the selector arm operating screw and the selector arm and if there is no clearance back off the selector ann operating screw to pro vide at least 00611 c learance T...

Page 34: ...ER ECCEH miC REW ADJUSTMENT Figure 48 See Note A The stop lever an the range finder assebly should overtravel the latching face of the trip latch by not more than 006 To adjust loosen the stop lever eccentric screw lock nut and position the screw then tighten the nut making certain that the tightening of the nut does not disturb the adjustment l RIP LATCH SPRIID COMPRESSION Figure 48 See Note A Wh...

Page 35: ...he platen unit by means of its pilot screws to meet the first requirement ThEil back off one pUot screw until the platen unit has some ern play Tum the pilot screw in just enough to take up the ern play Replace the platen balance spring and shift unshitt detent spring and reconnect the line feed and shift unshift vertical link Care should be taken not to tighten the pilot screws to the extent that...

Page 36: ...sion of the lever just in front of the lobe and pull horizontal l 7 at right angles to the rear extension It should require 12 to 16 ozs to start the space function lever moving When checking this tension the UNSHIFT push bar should be held a W81 from the function lever BLANK PRINTING AND SPACIOO CUTOUT FUNCTION LEVER SPRING TENSION NOTE The following spring tension applies only to printers equipp...

Page 37: ...HIFT on space cutout lever should be rotated counterclockwise as viewed f rom the bottom of the printer against its stop The lock nut should e tightened to hold the cutout lever in this posi tion See Figure 35 tor location of parts It it i desired that the platen should not return to the UNSHIFT pos1tion when the SPACE combination is received the UNSHIFT on space cutout lever should be rotated clo...

Page 38: ...t side frame and hook a 12 lb scale in the spring eye It should require 3 1 2 to 5 lba to pull the spring to position length Replace the spring SHIF UNSHIFT DETENT ADJUSTMENT When the platen is shifted to the SHIFT and UNSHIFT positions the platen detent roller should ride equally on either side of the detent To adjust position the shitt unshift detent by means of ita eccentric shoulder screw See ...

Page 39: ...het See Figure 50 for location of parts To adjust loosen the detent lever eccentric screw nut Figure 53 and turn the eccentric screw so as to rotate the platen by means or the detent lever Tighten the detent lever eccentric screw nut and checlc the adjustment for all the teeth on the line feed ratchet NCYI l There are two positiona of the detent lever eccentric screw which will provide correct adj...

Page 40: ... There should be some clearance not more than 020 between the front face ot the screw and the face ot the tooth at the point ot minimum clearen e when the check screw is held 1n the bottom ot a notch on the ratchet To adjust loosen the line teed check screw lock nut am position the check screw to meet the foregoing requirements Tighten the lock nut Rotate the platen roll and check the clearance in...

Page 41: ...d adjust the end play by means of the left locating collar PRESSURE ROLlER RELEASE CAMS ADJUSTMENT Figure 55 With the pressure roller release shaft arm in its rear position the high parts of the pressure roller release cams should rest on the high parts ot the release levers To adjust position the cams on the release shaft by means of their set screws FRESSURE ROIJ ER TENSIOO SHUNGS ADJUSTMENT Fig...

Page 42: ...er portion of each finger should be wittxln 3 32 of the end of the rubber portion ot the platen and should mt extend beyom the em of the rubber portion When paper narrower than 8 1 2 is used the lett finger should be moved inward corresponding To adjust tirst set the lateral position of the right paper finger and secure it to the shaft by means or its set screw with the specified clearance between...

Page 43: ...e should be 02011 to 060 clearance between the bell and the bell hammer To adjust loosen the margin bell hammer bracket munting screws and shift the bracket if this does not give the required cl earance then bend the bell hanuner arm along its entire length avoiding a sharp bend at point MARGIN BELL HAJ lMER SPRING TENSIOll Figure 58 Hook a 32 oz scale over the bell hammer arm directly below the s...

Page 44: ...nst the bell latch bar latch hook a 4 lb scale under the head ot the bell operating lever screw and pull par allel to the latch bar It should require 1 1 4 to 2 1 4 lbs to start the levaz 100viog Replace the bell reset bar spring SIGNAL Ba t RESET BAR SPRING TmSION Figure 59B Rotate the main shaft until the function bail is in its extre1 1e forward position With the front shoulder of the bell latc...

Page 45: ... be taken up in a direction to make this clearance a roininum Ad3ust by means of the lock bar latch eccentric screw NOT E There are two positions of the eccentric scr w at which the proper adjustment can be obtained Use the position which gi s the greater tension to the latch spring CARRIAGE RETURN LOCK BAR LATCH SPRIID TENSION Figure 60 With the carriage return lock bar latch unlatched resting on...

Page 46: ...esting ainst the vanes but not selected hook a 4 lb scale over the rear extension of the fUnction lever just in tront of the lobe that engages the latch bar and pull at right angles to the lever It should require 1 3 4 to 2 1 4 lbs to start the lever moving CARRIAGE RETURN OPERATING LEVER SPRING TENSION Figure 60 With the shoulder of the carriage return latch bar against its latch and the carriage...

Page 47: ...er the entire travel of the carriage Adjust by means of the fJ lde screws and lock nuts CODE BAR BELL CRANKS ADJUSTMENT The code bars should be carried firmly against their stops in both the MARKING and SPACING positiona when the UNSHIFT and BLANK combinations are alterna tely selected and the main shaft is rotated until the function levers are lifted free from the rear edges of the vanes With the...

Page 48: ...uire 6 to 8 ozs to start the roller moving a from the sixth vane CARRIAGE RETURN SPRING DRUM ADJUSTNENT Rotate the main shaft untU the printing b U 18 in 1ta extre111 1 rear position Hook a 12 lb scale over the lower part ot tbl ri ht ribbon spool bracket and pull in a line parallel to the carri e track It lhould require 3 3 4 to 4 l 4 lbe to start the carriqe moving lfll from the extZ eiDI lett p...

Page 49: ...RING TENSION tigure 65A With the printing bail in its extreme rear position hook a 12 lb scale under the extreme front end of the blank function lever extension and pull vertically upward It should require 4 1 2 to 6 lbs to start the lever moving SEND EIVE MECHANISM PLATE ADJUSTMENT Figure 36 With the left arm of the T lever in contact with the blank fUnction lever extension there should be some c...

Page 50: ...in its extreme rear position there should be some clearance not more than 006 between the insulated en l ot the light contact spring of the lett mtor stop contacts and the lobe on the front extension of the motor stop function lever To adjult bend the light contact spring to obtain this clearance making 8u re that the heav spring does not bear against the light sprin 2 With the motor stop function...

Page 51: ...center of the hole in the motor pinion If these lines do not coincide remove the ping unit from the base unit and loosen the four motor mounting screws Replace the typing unit on the base unit ani shift the motor by taking up the pl between the drilled motor mounting holes and the motor mounting screws until the two lines previously mentioned coincide If there is insufficient play in the motor mou...

Page 52: ...ediate lever under the blank run tion lever extension Then select the T combination and rotate the motor until the intermediate lever is rooved to a position where the blank function lever extension overlaps the toe of the intermediate lever b y one half the thickness of the blank function lever extension and check for the required clearance Adjust b y setting the height of the reset lever upper a...

Page 53: ...ed surface 1 3211 behind the margin adjusting screw there is a slight clearance not more than 002 between the end of the screw and the dashpot lever Tum the left margin adjusting screw l 6th turn in a direction to eliminate this clearance and tighten the lock nut RIGHT lfA RGIN ADJUSTING SCRD ADJUSTMENT Figure 61 The printer should normally print seventy two characters on a line before spacing is ...

Page 54: ...ment paWl and pull horizontally to rd the rear ot the unit It should require from 18 to 24 ozs to hold the spacing escapement ratchet stationa17 JIARGIN SIGNAL BSLL ADJUSTMmT The bell should ring on the aixty a1xth pr l ntecl character tor linea ot aevent7 two character le gth To ldjuat return the carriage to the lett end ot the line Then apace the carriage sixty six spaces to the ri gbt Loose the...

Page 55: ...k loop moving LOOKING LEVER SHAFT BRACKET ADJUST1 Nr Figure 71 With the locking levers in the spacing position arri the contact levers on the high part of their cams there should be some clearance not more than OlO between the contact levers and the locking levers when the locking levers are pressed downward by hand to make this clearance a minil l un Also the locking levers Should travel equally ...

Page 56: ...h provides extra gdjusting margin In these cases the shoulder screw should be mounted with the high part of its eccentric extending toward e ithe r em of the slot in the lock loop depending upon in which direction the additional margin of adjustment is require d UNIVERSAL BAR PILOT SCREWS ADJUSTMENT The universal bar should have sone Elld pla y not more than 010 the universal bar extension should ...

Page 57: ...p plate so that with the trip oft pawl in its operated position there is at le ast 00211 clearance between the formed up e nd of the stop plate and the lower edge of the trip off pawl CLUTCH THROWOUT LEVER SPRING TENSION With the clutch teeth engaged and the clutch throwout lever resting against the low part of the clutch driven member hold the intermediate pawl against its eccentric at the same t...

Page 58: ...should require 1 to 3 oza to start the rod moving ADJUSTHENTS OF THE CENTl a CONTACT GOVIRNOR SP 3D ADJUSTING WHDL FRICTION W A SHIR SPRING TENSim ADJUSTMENT Pigu r e 81 See Note A Tu rn the adjusting wheel so that the tension on the gonrnor contact is 13 to 14 ozs keasure by hooking a 32 oz scale over the contact spring arm nut to the contact and pulling parallel to the speed adjusting spring To ...

Page 59: ...ERNOR BR USH SPRING PRESSURE Figure 83B A INNER DISC BRUSH SPRING Hook an 8 oz scale over the inner disc brush spring just to the right of the carbon contact brush as viewed from the rear of the rootor and pull horizontally away from the rootor It should require 4 1 2 to 5 1 2 ozs to start the brush moving away from the disc B OUTER DISC BRUSH SPRING Apply an 8 oz push scale against the outer disc...

Page 60: ...OULD MEET THE FOLLCNIING REQUIREMENTS NOTE These requirements should not be checked unless there is reason to believe the starting switch is out ot adjustment 1 Remove the motor unit from the base and remove the motor tan and pinion 2 Remove the switch end shield screws and the switch commutator mount ing screws Remove the switch end shield 3 Pull out the rotor until the brush holder spring is acc...

Page 61: ...12 lb scale on the curved part of the jack spring to just open the contacts With the typing Wlit in pos l tion on the base the line jack contacts should be separated 02011 to 0601 Bend the long contact spring to obtain these requirements KEYBOARD JACK SPRINGS ADJUSTMENT It should require 1 to 2 lbs pressure using a 12 lb scale on the curved part of the jack spring to just open the contact With the...

Page 62: ...ith tbe relq connection block mounting plate there should be 02011 to 02511 clearance between the contact points ot No 1 and No 2 cont act springs See Figure 84B Adjuet bf beminc No 2 contact ap ring RELAY JACK CONTACT SPRING TINSION ADJUSTM NT When an 8 Ql ecale is hooked to contact p rings No 1 or No 4 at ri ht anal to the eprin it ehoul cl req ui re a pull of S to 7 ozs to eepa ra bl the contac...

Page 63: ...e 3 to 4 ozs to just separate the contacts Adjust by bending contact spring No 1 5 There should be a slight clearance not more than 004 between the f ibre insulators on springs No 1 am No 3 Adjust by bending con tact spring No 2 and recheck the pressure of spring No 1 B Move the send receive lever to the RECEIVE pos ition down 1 With the lef t end of the upper contact lever held against the notch ...

Page 64: ...ING TENSION Figure 88B With the send receive lever in the SEND position up and the No 3 contact spring held a from the extension on the upper contact lever hook an 8 oz scale under the left erd of the contact lever at the spring hole and pull up vertically in line with the spring It should require 3 to 5 ozs to start the upper contact lever moving STOP tEVER SPRING TENSION Figure 87A With the stop...

Page 65: ...h the left end of the upper contact lever held against the notch in the stop lever plate th e fibre insulator on No 6 contact spring should clear the extension on the upper contact lever by at least 008 See Figure 86A Make certain that contacts No 5 and No 6 are separated by at least 015 when the break lever is operated See Figure 87B Adjust by bending contact spring No 6 ll Contact No 6 should ex...

Page 66: ... ozs to cause the middle contact spring to break contact with the inner contact spring Adjust by bending the middle contact spring 4 Recheck 2 The operating current for the control relq should be between 050A and o60A when adjusted for either MAKE or BRE1K operation SPJOOIAL INSTRUCTIONS FCR BASES USED WITH REOEIVING ONLY PRINTER COVERS The tollowing instructions apply to send receive break mechan...

Page 67: ... by means ot the lett pressure roller lever clamping screw RIGHT PRESSURE ROLLER LEVER SFRING COLLAR ADJUSTMENT Figure 91 With the right pressure roller lever against the right pressure roller lever spring collar the centers o the pins on the platen should line up with the center o the groove in the right pressure roller when the roller is at the midpoint ot its end plq The right pressure roller l...

Page 68: ... will be printed at the lett end of the line within the foregoing speeified limits and engage the carriage return clutch by operating the dashpot lever to hold the carriage in this position Make sure that the carriage retum clutch members are tully engaged Then reposition the adjusting screw so that when the lock nut is slightly tightened to take up the end plq in the threads and a horizontal pull...

Page 69: ... Figure 91 When sprocket teed paper forms are inserted in the frinter the paper guide posts in the loading plate should just clear the edges of the forms Tb ad just position the two guide posts in their elongated mounting holes THE FOLLCINING ADJUSTMENT IS TO BE JIADE AFTER ALL OTHER PRINTER ADJUSTMENTS COVER PAPER GUIDE POSTS ADJUSTl ENT Figure 95 Place the cover on the printer If multiple copy f...

Page 70: ...abulator latch and there should be 01011 to 015 clearance between the rear side ot the front projection ot the tabulator latch bar arJi the rear wall ot the opening in the tabulator latch under the following conditions With the bins unit resting on ita back and the platen in the UNSHIP poa1t101 select the tabulator combination ard rotate the main Bhatt untU the tabulator tunction lever rests again...

Page 71: ...extreme rear position hook a 12 lb scale over the rear extension ot the tabulator function lever just in front ot the lobe and pull at right angles to the function lever extension It should require 3 l 4 to 4 J 4 lbs to start the function lever moving TABULATOR LATCH BAR SPRING TENSION Figure 98 With the t Ping unit resting on its right side and the printilli bail in its extreme rear position lift...

Page 72: ...to 4 ozs should be required to open the contact Adjust b7 b ming the contact springs CONTACT PAWL SPRING TENSION Figure 99 With the horizontal arm ot the contact pawl in ita upper position and the contact spring held clear ot the contact pawl appJ T an a oz scale at the right end of the horizontal portion ot the pawl and push downward It should require 3 4 to l l 2 oza to start the pawl movin RIPJ...

Page 73: ...ushings remove spools Ribbon reverse shafts upper and lower bearings arms pawls and levers Margin bell pawl Ribbon shift lever and roller Oscillator lever shoulder screw and carriage casting slot Type bar carriage rack space shaft pinion and travel Ribbon reverse detent Ribbon feed shaft detent grease TYPING UNIT LESS THE TYPi BAR CARRIAGE ASSEMBLY A PLATEN UNIT l Shaft bearings one in each shaft ...

Page 74: ...acing clutch spring coils permitting oil to flow between prongs of driven member of spacing clutch and worm gear sleeve 11 Spring coils which compresses friction washers of selector cam assembly oil will now between prongs of nut on main shaft and friction disc which engages this nut 12 Cam unit am spacing clutch oil holes 13 Main clutch camming surface 14 Main shaft cam surfaces grease 15 Spacing...

Page 75: ...gement with vanes Sixth vane detent roller Locking function lever apply grease in notches 6 SPACING SHAFT ASSEMBLY l Spacing sha t t upper bearing oil lower bearing fill oil cup 2 Carriage return clutch members prongs 3 Spacing gear lower grease H CARRIAGE Rm1JRN HANISJl l 2 3 4 5 6 7 8 9 10 ll 12 13 14 Carriage return latch bar at point of engagement ltith latch grease Carriage return clutch rele...

Page 76: ...lder screw 4 Margin bell shaft 2 bearings Wl OR UNIT 1 Motor pinion grease 2 Motor bearing oilers two 3 Motor speed lever pilot screw BASE UNIT SEND RECEIVE BREAK MECHANISM 1 2 3 Upper contact lever and safety pawl release lever shoulder screw Contact operating lever shoulder screw also drop oil between lever and rear surface of send receive break mechanism bracket Reset lever shoulder screw also ...

Page 77: ...and points of contact SPROCKET FEED PRINTER Same as for friction teed printer except omit from A PLATEN UNIT items 9 10 11 12 13 14 and 15 ani add the following 1 Pressure roller shaft bearing surfaces 2 Pressure rollers bearings 3 Paper carrier belt rollers TABULATOR MECHANISM 1 Tabulator pawl shoulder screw 2 Tabulator stops grease 3 Tabulator bar bearing screws 4 Space pawl link at slot 5 Tabul...

Page 78: ......

Page 79: ...UNTING STUD FIGURE 2 PULL BAR 1 TY E BAR 1 PLUNGER AND ROLLER SHOULD BE PARALLEL WITHIN 002 FLANGED ROLLER 2 1 2 TO 3 1 2 OZS TO PULL TO POSIT ION LENGTH e o PULL BAR SPRING MOUNTING SCREW a w FIGURE 3 TYPE BA R SEGMENT RIBBON FEED PAWL SPRING PULL BAR BAIL PLUNGER FEED PAWL 2 1 4 TO 3 1 4 OZS TO PULL h TO POSITION LENGTH _L SPRING POST J ____ FEED R FIGURE 4 CODE BAR PULL BAR CODE BAR MOUNTING PL...

Page 80: ...SHAFT TURNING r _ 3 4 TO 7 8 FIGURE 9 r B U S HING RIBBON SPOOL HAFT SPUR GEAR NUT t RIBBON SPOOL BRACKET VERTICAL RIBBON FEED SHAFT VERTICAL RIBBON FEED SHAFT SPUR GEAR Oio TO 02c5 RIBBON REVERSE ARM J a RIBBON GUIDE oHI l fHoi FAr 025 TO 035 RIBBON SPOOL CUP j j 040 TO oso I 6 C f a RIBBON SPOOL BRACKET 0 0 R SET SCREW RIBBON REVERSE ARM t RIBBON REVERSE SHAFT 1 1 4 TO 5 16 BRACKET MOUNTING SCRE...

Page 81: ...I L RIBBON CARR I ER IBBON OSCILLATOR LEVER SPRING __ RIBBON OSCILLATOR LEVER FIGURE 12 MARGIN BELL PAWL MARGIN BELL PAWL SPRING L 1 2 TO 1 if2 ozs TO START PAWL MOVING RIBBON SHIFT LEVER BRACKET MOUNTING SCREWS q I I RIBBON SHIFT LEVER BRACKET RIBBON OSCILLATOR LEVER FIGURE 13 16 TO 32 OZS TO PULL BAR TO UNOPERATED POSITION TYPE BAR SEG M ENT CASTING FIGURE 14 RIBBON LOCKOUT BAR 1 1 4 TO 5 LBS LO...

Page 82: ...PRING FIGURE 20 DRIVING MEMBER l i22 TO 26 OZS TO SEPARATE CLUTCH TEETH MAIN SHAFT SPACING GEAR FIGURE 21 010 TO 050 CODE BAR CARRIAGE GUIDE SCREW LOCK NUT CARRIAGE GUIDE SCREW PRINTING BAIL BLADE LOCK NUT CONE NUT PRINTING BAIL OPERATING ARM PRINTING BAIL ADJUSTING SCREW SOME CLEARANCE NOT MORE THAN 008 FIG11RE 22 SPACING SHAFT GEAR CARRIAGE RETURN OPERATING LEVER SPRING ECCENTRIC BEARING BRACKET...

Page 83: ...PULL __ PRINTING BAIL FUNCTION BAIL TO POSITION LENGTH 1 40TO 50 OZS TO PULLI H ti m f IAB TO POSITION LENGTH LOCKING FUNCTION LEVER SPRING FUNCTION BAIL SPRING FIGURE 2 6 PRINTING BAILjt BLADES I f I to PRINTINGBAIL t I I PRINTING BAIL SHAFT l 5iii RIGHT BEARING PRINTINGBAIL SPRING PRING ADJUSTING LEVER SCREW SPRING ADJUSTING LEVER 6 1 2 TO 8 1 2 LBS TO 1 START LEVER MOVING FIGURE 27 SELECTOR ARM...

Page 84: ...BRACKET SELECTOR CAM I I SELECTOR LEVER I FIGURE 33 040 TO 042 BRACKET LINK SCREW BRACKET ECCENTRIC r STOP POST E CLEARANCE NOT MORE THAN 04o SWOR D SELECTOR LEVER SPRINGS W4 LOCKING LEVER SPRING ARMATURE EXTENSION 1 a J 1 SWORD ARMATURE EXTENSION r STOP POST SELECTOR CAM io1 SELECTOR LEVER INNER MOTOR STOP PAWL MOTOR STOP PAWL PQINr LOCKING LOCKING C AM MOTOR STOP LEVER BR ACKET 1 MOTOR STOP RELE...

Page 85: ...E 38 TRIP oFF SCREW TRIP LATCH STOP LEVER FIGURE 39 CENTRALIZING ECCENTRIC SCREW SELECTOR ARM BRACKET MOUNTING SCREWS ARMATURE PIVOT SCREW SELECTOR MAGNET BRACKET LOCK NUT d ARMATURE f o ___ _____J ARMATURE SPRING _____________ ARMATURE CAM SELECTOR ARM OPERATING SCREW SELECTOR ARM SPRING SELECTOR ARM STOP DETENT SELECTOR ARM SOME CLEARANCE NOT MORE T HAN 040 NO I SWORD STOP POST LOCKING LEVER ___...

Page 86: ... 45 ARMATURE ARMATURE FIGURE 46 ARMATURE LEVER _ lc 060 TO 065 ARMATURE LEVER CAM I LOCKING LEVER CAM 1 LOCKING LEVER SELECTOR ARM 1 0PERATING SCREW LOCK NUT 003 TO 006 SELECTOR ARM LEVER CAM SELECTOR ARM SPRING STOP DETENT SELECTOR ARM f LOCKING WEDGE ARMATURE LEVER ARMATURE LEVER CAM 1 J 1 4 TO t 3 4 OZS FIGURE 47 CLEARANCE NOT MORE THAN 006 LOCK NUT JL MINIMUM oo2 I 1 tt t 1S 1 1___ _ _ TRIP LA...

Page 87: ...SPRING J PUSH BAR LINE FEED FUNCTION LEVER EXTENSION LINE FEED PUSH BAR UNSHIFT PUSH BAR __ UNSHIFT FUNCTION LEVER EXTENSION 7 SPACE FUNCTION LEVER EXTENSION LINK FUNCTION LEVER EXTENSION f I UNSHIFTON SPACE CUT OUT LEVER SHIFT PUSH BAR j 1b 0f 1 BELL LATCH BAR LATCH SHIFT FUNCTION LEVER EXTENSION FIGURE 51 PRINTING BAIL CAM SURFACE f j FUNCTION BAIL FUNCTION BAIL BLADE MOUNTING SCREW ft 015 TO 03...

Page 88: ...ER RELEASE SHAFT FIGURE 55 PAPER FINGER SET SCREW P APER FINGER SHAFT SPRING 14TO 18 OZS TO START ARM MOVING PAPER FINGER SHAFT STOP ARM 04 TO 020 PAPER FINGER ___ _ 040 TO 050 AlPER GUIDE 10 PAPE1 STI AIGHTENER ROD 12 TO 4 OZS TO START CHUTE MOVING __ PAPER STRAIGHTENER ROO PAPER GUIDE _ PAPER STRAIGHTENER ROO STOP 1 y lPAPER STRAIGHTENER 7 ROD LEVER I 8TO 12 ozs TO START LEVER MOVING PAPER CHUTE...

Page 89: ... LATCH F1GURE 59 SOME CLEARANCE NOT MORE THAN 002 LEFT MARGIN ADJUSTING SCREW LOCK BAR LATCH LOCK BAR LATCH SPRING ECCENTRIC SCREW G SLIDING JOINT OOS TO OIS J i fr 1 DASHPOT VENT SCREW I I I flmT H1 U7TO 10 ozs T O START LLATCH MOVING L___ DASHPOT LEVER SOME CLEARANCE NOT WORE THAN 020 I II LATCH LINK CARRIAGE RETURN OPERATING LEVER SPRING I CARRIAGE RETURN OPERATING LEVER CARRIAGE RETURN CLUTCH ...

Page 90: ...LEVER EXTENSION RESET LEVER UPPER ADJUSTING SCREW FUNCTION 1 II I I LEVER E TENTION ION WASHER BLANK FUNCTION LEVER EXTENSION FIGURE 65 r STOP BRACKET T LEVER J 2 THICKNESS OF BLANK FUNCTION LEVER 8 INTERMEDIATE LEVER STOP LEVER UPPER ADJUSTING SCREW RESET LEVER J bJ t I DOWNSTOP SCREW LOWER ADJUSTING SCREW BLANK FUNCTION LEVER EXTENSION xI STOP L UG NO T MORE THAN 002 UPPER CONTACT LEVER MOUNTING...

Page 91: ...S TO HOLD t SLEEVE STATIONARY t j STOP ARM FELT OILER FELT FRICTION WASHER __ FRICTION CLUTCH SPRING FIGURE 70 EQUAL CLE ARA NCE n LOCK LOOP ROLLER LOCK LOOP CAM __ ll I ll 4 TO 5 ozs TO START LOCK LOOP MOVING CONTACT LEVER LOCK LOOP HIGH PART OF CAM SEE TEXT FOR CLEARANCE J_Jt l J 1 r LOCK LOOP SPRING LA L LOCK LOO R LOCKING LEVER SHAFT BRACKE KEYBOARO l _ b 1 1 CAST ING 4 1 2 TO 5 1 2 OZS TO u O...

Page 92: ... 41 l TRIP OFF PAWL STOP PLATE B fr SE LECTOR BAR lji TRIP OFF PAWL FIGURE 74 CLUTCH THROWOUT LEVER 1CLUTC H TH ROWOUT LEVER ECCENTRIC _en NOT MORE THAN 004 TRIP OFF PAWL jj ll ll i w 1 TRIP OFF PAWL STOP P LATE AT LEAST Oo i FIGURE 75 TRIP OFF PAWL SPRING fl 3 J 2 TO 4 1 2 OZS TO PULL TO POSI TION LENGTH e TRIP OFF PAWL FIGURE 76 SOME END PLAY NOT MORE THAN 00 TRANSMITTING CAM CYLINDERf _J KEY LE...

Page 93: ...REW FIG ljRE 82 A EE T EXT FOR ALIGNMENT OF BRUSHE S o2d TO oso TARGET OUTER DISC BRUSH SPRING CARBON CONTAC BRUSH FIGURE 83 r NUT DI SC CONTACT SPRING GOVERNOR ADJUSTING BRACKET AT LEAST OOft PEED AO AJSTING LEVER STOP PLATE 1 MOTOR SHIMS 5 TO 7 OZS TO JUST OPEN CONTACTS I 23 4 5 To 1 ozs ___ JACK PLUNGER r 020 TO 02 5 I 23 4 II I I 010 TO 015 JACK PLUNGER FLUSH WIT H SURFACE RELAY CONN ECTION BL...

Page 94: ...EAST 015 FIGURE 87 I IFI11 II AT LEAST 015 6 3 To s ozs J TO STA RT LEVER MOVING I T0 2 OZS Tt SEP A R ATE CONTACTS SOME CLEA RANCE J 1NOT MORE THAN 008 I AND 2 e 0 II Ill FIGURE 88 0 15TO 6 OZS TO tOPEN CONTACT UP PER CONTACT LEVER MOU NTING BRACKET e 0 I i l l I i li II I I e ll 1 2TO 2 OZS TO OPEN CONTACT I I 1 I c J S PRING f 1 I w 91 025 TO 030 SPRING Fl 7l II OUTER CONTACT S P RING I N N E R...

Page 95: ...IN CENTER OF ROLLER GROOVE WHEN ROLLER IS AT MIDPOINT OF ITS END PLAY FIGURE 91 PRESSURE ROLLER L5 T 8 OZS TO START_j ROLLER MOVING AWAY FROM PLATEN PAPER CARRIER BELT CUll ol LEFT PRESSURE ROLLER LEVER LEFT PRESSURE ROLLER 1 Gill 1 BEARING SCREW NUT LEFT PRESSURE ROLLER PLATEN CRANK FIGURE 92 PAPER CARRIER BELT T PRESSURE ROLLER SPRING COLLAR PRESSURE ROLLER SPRING PRESSURE ROLLER SPRING PRESSURE...

Page 96: ...T PAWL FUNCTION LEVER SPRING TABULATOR LATCH TABULATOR LATCH I j0 I I BAR SPRING TABULATOR LATCH BAR I Q J 1 112 To 3 ozs 1 FIGURE 98 POST SPACING PAWL LINK I I ECCENTRIC SCREW LATCH BAR EXTENSION MOUNT ING SCREW f 3 1 4 TO 4 1 4 LBS SOME CLEARANCE NOT MORE THAN 008 I 314 TO 1 112 ozs TO START PAWL MOVING CONTACT PAWL FUNCTION LEVER r lJ 1 9 tF 41 LATCH LOWER CONTACT SPRING _ iii i 1 CONTROL PLAT ...

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