Manual / Guide · 1941
Spec S-5321 - Instructions
Spec S-5321 — Instructions for Interchanging 110 V 60 Cycle Synchronous and Governed Motors on Model 15 Printers, Model 14 Reperforators and Model 14 TDs
Manual / Guide · 1941
Spec S-5321 — Instructions for Interchanging 110 V 60 Cycle Synchronous and Governed Motors on Model 15 Printers, Model 14 Reperforators and Model 14 TDs
Teletype Corporatj_on Chicago, Illinois, U.S.A. RTTY t:LEC-1 kONICS TELETYPE=Sa�s�rts PO Box 20101 El Soblwlte, Ca. (510)222-3102 94820. [email protected] ( ' S-5321 1 1941 Specification Issue 2, Page September, INSTRUCT! ONS FOR I:N'I'ffiCH/1N'1ING 110 VOlT 60 CYClE SYNCHRONOUS AND GOVERNED MOTORS ON TElET'Y::��� l,'ODB�L 15 rRDJTSRS, MODEL 14 ?�PERFORATORS AND :r, ;ODEl 14 TRANS!If'IT�R DISTRIB1JTORS " Where the frequency of the A.C. power supply is regulated within plus • f ' (� or minus 3/4%, the apparatus refP-rred to herein is generally operated by syn :•Jhen frequency variations exceed this value, governed motors chronous motors. should be used. Sectj on 1.1 1 - r,;odel 15 Printer Parts to be interchanged 60 Cycle Synchronous Descrittion Number 1.11 I.:ain shaft drive gear 1.12 *Motor pinion 1.13 *Motor unit *Note: 74913 74912 MU4 Governed Number (30 teeth) ( 7 teeth) ( 15 D ) 74151 74505 MUl (35 teeth) ( 7 teeth) ( l5A ) Each pinion should be kept secured to.the shaft of its associated motor unit for convenience in making conversions. 1.14 1.2 103286 (1.6 amp.) Conversion Procedure 1.21 Remove the typing unit from the base. 1.22 Change main shaft drive gear. (a) (b) (c) (d) (e) ( 103284 (3.2 amp.) Fusetron 1.23 74101 oil plug from end of main shaft. 74916 gear hub and g ear from main shaft. Change gear on 74916 gear hub. Reinstall 74916 g ear hub and gear on main shaft. Reinstall 74101 oil plug in end of main shaft. Remove Remove Change motor unit (complete with pinion) on base, but do not tighten rear mounting screw until motor plate is adjusted. 1.24 Change fusetron in base receptacle. 1.25 Mount typing unit on base. CAUTIOli: (�_ BE SURE THAT TE:CTH OF' GEAR Ju'ID PINION ARE IN MESH BEFORE TIGHTENING TYF·nm L'NIT THUMB SCREWS. 1.3 Adjustments (See Bulletin 138) 1.31 Motor Unit Slip Connection Springs Adjustment 1.32 Motor Plate Adjustment 1.33 Gear and Pinion Lubrication (grease) Printed in U.S.A. - 2 - (S-5321) 1.34 Speed Setting (for governed motors only) Section 2 - Mode l 14 Reperforator 2.1 Parts to be interchanged .Description 2.11 Main shaft drive gear 2.12 *Motor pinion 2.13 *Motor unit 60 Cycle Synchronous :t-hunber 78509 (30 teeth) ( 7 teeth) 78510 ) ( l5D MUh Governed Number (35 teeth) 73106 71974 ( 7 teeth) ) ( l5A MUl *Note: Each pinion should be kept secured to the shaft of its associated motor unit for convenience in making conversions. �-, , ' . '"" 2.14 2.2 Fusetron (in Model 1 9 table, o r elsewhere external to machine) 103284 (3.2 amp.) 103286 (1.6 amp.) Conversion Procedure 2.21 2.22 Remove motor unit (comple te with pinion). Change main shaft drive gear. (a) (b) (c) Remove 86129 hub and gear from main shaft. Change gear on 86129 hub. Reinstall 86129 hub and gear on main shaft. 2.23 Install correct motor unit (complete with pinion), but do not tighten rear mounting screw until motor plate is adjusted. 2.24 Change fusetron (located in Model 19 table or elsewhere external to machine). 2.3 Adjustments (See Bulletin 147) 2 31 Motor Unit Adjustment 2.32 Gear and Pinion Lubrication (grease) 2.33 Speed Setting (for governed motors only) .• ,, :.J Section 3 - Model 14 Transmitter Distributor 3.1 General Information Transmitter distributors drfven by 60 cycle synchronous motors are geared for a motor speed of 1800 r.p.m.; and t hose driven by governed m otor s are ordinarily equipped with 10-spot targets and geared for a motor speed of 2102 r.p.m. Thus, interchanging from synchronous to governed motor drive, and vice versa, ordinarily involves an inconvenie�t gear changeo In order to avoid gear changes when converting, the 103559 governed motor assembly id provided which is equipped with 6-35-spot dot1ble target for operation at 1800 r.p.m. .�.""' rJ - 3 - ( S 5 32 1 ) - 3 .2 • P a rts to be intercha.IlJSed 60 Cycle Synchronous ( 556?;9 St op arm s�ring Synchronous motor a ssembly, 3.'21 3.22 ' Number *h703 number Description complAte with fan and Governed X cable. Governed m·otor a ssemb ly , *3.23 complete with fan, 6-35 spot double tar�et, governor contact filter, ( cable with 86960 c onta c t assembly, including two 1159 s crews, two 3640 loc k vrashers' 41675 washers. and two X Te letype number 103559 identifies th0 governed motor assembly per section 3.23 plus t he 4703 spring. *Note: 3.24 Fusetron (in M ode l 19 table, or elsewhere 103284. (3.2 amp.) external to machine) 3.3 103287 (1.25 amp.) Conversion Proce�ur e 3.31 Remove 77068 ba se p late. 3.32 Disconnect, motor leads from screw terminals 5 and 6 of the slip connection strip. 3.33 \Jhang e motor assembly. "lhen makine; this change transfer the motor pinion f�om one moto� shaft.to ( it is necessar;{ to the other. (a) When mounting the synchronous !r.otor assembly, (b) '.'i'hen mountin.� th e �o verned motor and four 2846 washers are required. and three , 2R46 assmrrbJy, washer s are required. four 6035 screws three 6035 Attached to the screws governed motor cable -is w 86960 contact assembly used to cut out a resistor in the m ot o r circutt when +.he tApe stop magnet ture is in the unoperated poBition. arma Mount thic contact ass emb ly on the lower front extension of the 77082 main t'haft s�rews, two 3640 l ock washers, and two l1l675 washers p rovided . Posit ion it so thP.t the bakelite ex t e nsi on on the contact sp ring makes contact with the stop arm wheP. th e stop magnet armature is held against brA.cket, ( , usin� the tv;o 1159 the magnet core. 3.3h Cha•1.ge 3.35 Connect motor leads to screw teroin?ls 5 and 6 of tion s tri p. (a) stop arm spr ing. the plip cornec ''.'hen connecting the synchronous motor asse'Ttbly, thcl le<>.cls - 4 (S-5321) (b) 3.36 should be threaded through the hole in the base under the motor near the :rinion end. 1Nhen connecting the governed motor assembly, the leads should be threaded through the hole in the base below the main shaft lower bearing cap front mounting screw. The leads should then be directed toward the rear of the unit so as not to touch the start magnet resiRtor, avoiding interference with all moving parts. ·� Reinstall 77068 base plate. 3 .37 Change fusetron (located in Model 19 table, or elsewhere ext.ernal to unit). • 3.4 Adjustments 3 .41 f1 Stop Arm Contact Spring Tension Adjustment - (Governed Motors Only) Hoo k an 8 oz. scale over the bakelite extension on the contact spring and pull toward the front of the unit. It should require 2 to 2-3/4 oz. to separate the contacts. Note: When checking this adjustment, the bake lite extension on the spring must not touch the stop arm. Shift' the contact bracket as nec�ssary. To adjust, bend the thin contact spring. 3.4 2 Stop Arm Contact Gap Adjust�ent - (r�verned Motors Only) There shoulo be a clearance of .01511 to .02011 between the contacts when the stop arm is held against the magnet core. To adjust, loosen the contact bracket mounting screws and position the bracket. Tighten the screws. 3.43 Stop Arm Spring Tension - (All Units) With the stop arm resting on the low part of the stop cam, hoo k an oz. scale over the end of the stop arm and pull at a right angle to the stop arm. The following tension should be required to start the stop arm moving away from the stop cam: 8 For synchronous motors *For governed motors • • • • .. . . . • • • 5 to 7 ounces 1 to 1-3/4 ounces *Note: The bakelite extension of the contact spring must not touch �he stop arm when this measurement is made. 3.44 Motor Position :) - (All Units) There should b.e a minimum amount of backlash between the motor pinion and the main shaft gear throughout a complete revolution of the g ear. j - 5 (:S-5321) To adjust, loosen the· 6035 mounting screws and position t he �otor assembly. Tighten the screws. 3.45 ( ' ( Motor Speed Adjustment - (Governed Motor s Oniy) Th� 6-35-spot double target is provided to facili tate correct adjustment of motor speed. When the governor is adjusted so that the motor is running at the correct speed (lSOO r.p.m.), the 35-spot target will appear to be stationary and the o-spot target wi�l appear to be moving in the direction of motor rotation, when the double target is v iewed through the vibrating shutters of an S7.6 V.P.S. fork. If this condition doe s not exist, stop the motor and turn the governor adjusting wheel in on& d irection or the other a little at a time checking the speed after ea� adjustment until the correct speed is o btained. • ( (, * •