EQUIPMENT TEST LIST CONTROLLERS AND CONTROL UNITS PAGE NOTICE. Not for uee or disclosure outeide the Bell System except under written sgreement

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1 BEU SYSTEMPRACTICES AT&TCo Stardrd Issue 5, September 1983 /= EQUIPMENT TEST LIST I CONTROLLERS AND CONTROL UNITS f=, CONTENTS PAGE 3 1. GENERAL applicable to equipment listed in the preceding table of contents. Test classification and frequency of periodic routine are also provided...1?, f A This Equipment Test List (ETL) is reissued to incorporate changes which are indicated by an arrow to the left of each line which has been changed. k,. KS-5016, KS-5117, KS-5374 & KS-5519 VOLTAGE CONTR Comments on this section should be made by following the instructions in Bell System Practices (BSP), Section KS ,1, KS & KS , KS & KS KS-6835 (BROWN) Routine test information is arranged in the following order from left to right Section number, issue/addendum, test letter or paragraph number, test title, test class, frequency, and the last space is for a locally assigned job number..7 KS Section provides Equipment Test List instructions. P.8 KS GENERAL 1.01 This section provides an index and information access system to locate the standard tests /- l+ = NOTICE Not for uee or disclosure outeide the Bell System except under written sgreement Printed in U.S.A. Poge 1

2 SECTION CONTALCONT UNIT.1 CONTR&CONT UNIT; 6B (l/o). CONTR&CONT UNIT; 36A ti (/O) ti (/O) LUBRICATE CSHAF FRONT L REAR BEARINGS, MOTOR BEARING, OILITE BUSHING AND WORM GEAR CLEAN CONTACTS (OR AS REQD) CHECK PLUNGER MOVEMENT.03 CONTACT ALNHT CONTACT SEPN.05 CONTACT FOLLOW.06 CONTACT PRESSURE.07 SEPN BETWEEN SPRINGS.3 CONTRfCONT UNIT; KS-5016, XS-5117, X C KS-5519 VOLTAGE CONTR (4/O) (A) INSPECT 5 LUBRICATE WICK OILERS (B) CLEAN 5 LUBRICATE WICK OILERS & CAM DRIVE MOTOR BEARINGS (C) LUBRICATE CAM DRIVE GEAR CASE.03 CHECK FREEDOM OF CONTACT ARM CHECK PLUNGER MOVEMENT.08 CHECK SPRINGS & ROTATING CAM OR DISC CONTACT SURFACES.11 CHECX FREEDOM OF MOTOR ARMATURE & ASSOCIATED GEARS.13 CHECK COMMUTATOR OR COLLECTOR RING SURFACES.14 CHECK BRUSHHOLDER CLRNC.15 CHECK BRUSH LENGTH.16 CHECK BRUSH PRESSURE.17 CHECK BRUSH FIT (4/O) VOLTAGE RELAY C CONTACT ARM ALNMT.05 CONTACT ARM RETRACTILE SPRING.06 STRAIGHTNESS OF CONTACT SPRINGS.07 CLRNC BETWEEN SPRING CONTACTS.10 CURRENT IN CONTROL COIL CKT.1 SPEED OF ROTATING CONTACT CAN.18 REGULATION.19 TEMPERATURE.4 CONTRSCONT UNIT; KS-5755 Ll,L, KS Ll 6 KS L1,L MW 11 1 MW 1M., MW 111 -L MW 11 MW 36M MW 361 MW 1W Mw 1N MW 1H --_-- MW 1H --_-- MW 1M --_-- MW 1M MW 11 --_-- MW 11 MW 1M m rl t. \ i cl Page

3 ISS 5, SECTION (S/O) CHECK MOUNTING CLEAN 4 INSPECT CONTACTS.03 CHECK CONTACT PRESSURE CHECK RELAY CONTACT FOLLOW.05 CHECK CONTACT GAP L OPERATED MAGNETIC GAP.06 (Bl) CHECK AC,KA,KLtLC RELAYS OPRG VOLTAGES.06 (B) CHECK SR RELAY OPRG L RLS CURRENT.06 (83) CHECK OL RELAY RLS CURRENT.06 (84) CHECK OL RELAY RLS TIME INTERVAL.06 (B5) CHECK KOL RELAY RLS TIME INTERVAL.06 (~6) CHKCX xp RELAY OPRG CURRENT.06 (87) CHECK TIME DELAY RELAY INTERVAL BTW KA&KL OPRG MW M ----_ MW 1M MW 1M ----_ MW 1M MW 1H HW 1M HW 1M MW 1M MW 1M MW 111 Mw 111 XWM.06 (88) CHECK KL RELAY RESET TIME INTERVAL nw n ----_ (S/O).07 TENPERATURE.5 CONTRLCONT UNIT; KS-5647 Ll-L4 5 KS-1581 Ll (3/l) CHECK XOUNTING CLEAN 6 INSPECT CONTACTS.03 CHECK CONTACT PRESSURE CHECK CONTACT FOLLOW.05 CHECK CONTACT GAP 6 OPERATED NAGNETIC GAP.06 (B1) CHECK AC C LC RELAYS OPRG VOLTAGES.06 (B) CHECK SR RELAY RLS CURRENT.06 (B3) CHECK OL RELAY RLS CURRENT 0 TIME INTERVAL MWH Mw _ l4w 11 Mw 111 l4w 111 Mw 111 Mw 1H Mw 1l4 ----_ (3/l).07 TENPERATURE.6 CONTRCCONT UNIT; ~~-6835 (BRONN) e (/O) (0) CLEAN LIFT ROD AND LIFT ROD GUIDES Mw 3H e LUBRICATE DEPRESSOR BAR PIVOT BEARINGS nw 3n 6.13 CHECK COVER nw 111 OPTIONAL FEATURES DIRECT CM TYPE TRIGGER CONTACT (/O) (B) CLEAN CONTACTS 6 CONTACT SPRINGS l4w 3* HANMER TYPE TRIGGER CONTACT (10) (C) CLEAN TRIGGER HANMER, SUPPORTS OUTER EDGE C BAKELITE BLK Hw 3M (/O) CLBAN CONTACTS Page 3

4 SECTION (/0) GALVANOMETERS CONTACT TABLES.06 DEPRESSOR BAR.07 LIFT ROD.08 CANS.10 MOTOR.11 ELECTROMAGNET.1 TIMING DIRECT CAM TYPE TRIGGER CONTACT (/0).09 (A) TRIGGER CONTACT HAMMER TYPE TRIGGER CONTACT (/0).09 (B) TRIGGER CONTACT.7 CONTR g CONT UNIT; KS (3/1) (&j& C A1O) CLEAN CLUTCH DISC, CORKS t ARM MW6M n,0 (All) CLEAN & INSPECT RELAY CONTACTS (A3 - A6) CLEAN GALVANOMETERSPTR, STATIONARY CLAMP, CLAMPING WIRES t SEING LEVERS MN 6M MW 1M (A9) CLEAN WORM GEAR NW 11! (El - B3) CLEAN OPRG CAM, SLIDE WIRE t BALG MECHANISM (Al C A) LUBRICATE OPRG CAM SHAFT t SLIDE WIRE SHAFT BEARINGS (A3 t A4) LUBRICATE SHAFT BEARINGS (A5 & A6) LUBRICATE SOCKET & PIVOT BEARINGS (A7, A8 t A1O) LUBRICATE REDUCTION GEARS, DIAL DRIVE GEARS t FIBRE CONTACT BUONS MW 6M NW N NW 6M NW M NW 6M (&65#A#~ LUBRICATE CLUTCH ARM SHOES G OPRG Mw (C) CHECK ROCKER ARM FREEDOM OF MOVEMENT CHECK LIMIT ALARM MW 14 Nw 6M (3/1) (A7 ~ A8) CLEAN C INSPECT SHAFT BEARINGS (AtB) RocKER ARM CLANPING WIRES ALNFiT t PRESSURE n, SEING LEVERS BALANCE, CLRNC g PRESSURE GALVANOMETERS GALVANOMETERSPOINTER CAM-SHAFT SWEEP CAMS TIGHTNESS SLIDE WIRE CONTACT SPGS PRESSURE REDUCTION GEARS GALVANOMETERSSENSITIVITY Page 4

5 1SS 5, SECTION (3/1).13 BRIDGE BALANCE.14 SLIDE WIRE RESISTANCE.15 CLUTCH ARM BLOCK / MOTOR BEARINGS BACKLASH.8 CONTRS t CONT UNIT; KS-7781? (3/) A t A9) CLEAN CLUTCH DISC, CORK SHOES & ARM SHOES (Al, Mw 6M (A1O) CLEAN S INSPECT RELAY CONTACTS MW 6M -.---,#- + (A3 - A6) CLEAN GALVANOMETERSPTR, STATIONARY CLAMP, CLAMPING WIRES & SEING LEVERS Mw (A8) CLEAN WORM GEAR MW 1M 9 (B) CLEAN OPRG CAM, SLIDE WIRE & BALG MECHANISM Mw 6M (Al) LUBRICATE SHAFT BEARINGS MW 6M 0 (A) LUBRICATE GEARS MW 6M 0 (A3) LUBRICATE CLUTCH ARM SHOES MW M 0 (A4 6 AS) LUBRICATE SOCKET 6 PIVOT BEARINGS MW M (A6) LuBRIcATE FIBRE BUONS MW 6M (A7) LUBRICATE OPRG CA14 MW M (C) CHECK ROCKER ARM FREEDOM OF MOVEMENT MW M (3/) (A7) CLEAN 6 INSPECT SHAFT BEARINGS (A & B) ROCKER ARM CLAMPING WIRES ALNMT & PRESSURE f- t SEING LEVERS BALANCE, CLRNC.5PRESSURE GALVANOMETERS STATIONARY CLAMP 6 GALVANOMETERSPOINTER ALNMT CLUTCH CAM-SHAFT TIGHTNESS SWEEP CAHS LOCKUP CAM CONTACTS CAM LU OPRG RETREATING AND ALARM CAM CONTACTS ( ) RETREATING CAML1 OUT OF STEP CAM ALM CTRG CAM CONTACTS CTRG CAHS LIMIT CAM CONTACTS LIMIT CAMS MERCURY SWITCH SLIDE WIRE CONTACT ARM Page 5

6 SECTION (3/) HOTOR BEARINGS TR14TRMOTOR TRS HOT BRUSH LENGTH & PRESSURE REDUCTION GEARS GALVANOMETERSSHUNT ADJMT BRIDGE BALANCE CONTROLLER LAG CONTROLLER STEP SLIDE WIRE RESISTANCE CLUTCH ARliTRAVEL TRMTR MOTOR TRS HOT ALTXT T!.., Page 6 of 6 Pages