SOW_7_Combined.pdf

STATEMENT OF WORK 7 - SLIP RING ASSEMBLY

Statement of Work Repair and Recondition: NEXRAD Contact (Slip Ring) Electrical Ring Assembly

ASN: R400-2A1A2, NSN: 5977-01-388-6312

Version: November 21, 2024

Description: The Contractor shall repair and recondition the Slip Ring Assembly to "Like New" operating condition, including external and cosmetic appearance in accordance with National Weather Service specification drawing no. 1213618 Revision K and NWS EHB 6-518 Figures 3-41 and 3-42.

The repair and recondition price shall include the parts, materials, labor, inspection and return shipping necessary to return the Slip Ring Assembly to operational specifications. Repair materials or specifications differing from the source specification must be approved prior to use by the National Weather Service.

Definition: “Like New” Condition means reconditioned to the listed specification to meet all applicable electrical, mechanical, and cosmetic specifications and Engineering documentation, including the replacement of damaged or missing non-functioning parts.

Government Furnished Equipment: For each Slip Ring Assembly, the government will furnish one Power Block Assembly (R400-2A1A2A1), two Odd Number Signal Block Assemblies (R400- 2A1A2A2) and two Even Number Signal Block Assemblies (R400-2A1A2A3).

Government Furnished Data: specification drawing no. 1213618 Revision K and NWS EHB 6-518 Figures 3-41 and 3-42 (when requested).

Vendor Furnished Equipment: Vendor shall provide all parts, supplies, and test equipment as required to accomplish the repair and recondition actions.

Recommended Equipment and Supplies: None

Description of Work – Work Procedures:

Recondition the Slip Ring Assembly to “Like New” condition which will include clean, paint, repair, connectors, and replace faulty internal items; therefore, the reconditioned Slip Ring Assembly will meet the specification in drawing no. 1213618 Revision K and NWS EHB 6-518 Figures 3-41 and 3- 42.

Warranty Terms: Vendor will provide a 1-year warranty against material workmanship and against faults occurring during operation. This 1-year warranty will begin after passing the final equipment inspection and acceptance for stock.

NRC Final Acceptance: All repaired and reconditioned Slip Ring Assemblies are subject to Quality Assurance testing/inspection and will be returned for corrections if discrepancies are found.

All repaired and reconditioned Slip Ring Assemblies will be inspected for material workmanship and system tested for operational performance. To meet the material workmanship requirements, the assemblies will need to be in a “Like New” condition and in good appearance which will include surfaces which are normally painted be painted and no corrosion present inside or outside of each unit.

Tests performed on the units will include a resistance check of the Slip Ring Assembly, testing the breakaway torque of the assembly, and verifying all operational levels and signals are present and at

STATEMENT OF WORK 7 - SLIP RING ASSEMBLY

the proper level per specification drawing no. 1213618 Revision K and NWS EHB 6-518 Figures 3- 41 and 3-42. Any inspected item that does not meet the acceptance criteria will be returned to the vendor for rework at no additional cost to the government.

Deliverables: Each repaired and reconditioned Sip Ring Assembly, by serial number, shall be supplied with a Repair Report documenting the repair, reconditioning and inspection to include results of all tests and failure analysis.

Shipping Address:

NATIONAL RECONDITIONING CENTER (NRC)

14200 MERRITT RD.

GRANDVIEW, MO. 64030

Transportability: Vendor is responsible for returning repaired products in a shipping container designed to withstand the vibration and shock encountered during transportation by ship, rail, truck, and aircraft. The units shall be packaged to prevent damage to include: physical, electrical, mechanical, cosmetic, and the units shall not be damaged or lose performance capability.

Final Note: When unforeseen problems arise, that may need clarification, please contact the Contracting Official who will notify the NRC. If the unit has any problem that prevents a quality repair, do not work on the item until the issue can be resolved.

NRC Reviewed:

NEXRAD Repair Branch Review: Scott Potterton, Branch Chief, November 21, 2024 TI&MR Branch Review: Gregory Flores, Branch Chief, November 21, 2024

CAGE CODE 56232 DWG NO. 1213618 SHEET 1 OF 24

SIZE CAGE CODE DWG NO. REV

A 56232 1213618 K

SCALE: NONE SHEET 1 OF 24

CONTR NO. 50-DMNW-8-00032 UNISYS CORPORATION

SHIPBOARD AND GROUND SYSTEMS GROUP

GREAT NECK, NY 11020

NOMENCLATURE

RING, ELECTRICAL, CONTACT (SLIP RING)

ASSEMBLY

APPROVALS

DWN SH 89-03-10 CHK GP 89-03-20

QA BB 7-20-89 ENG RH 89-5-3

STD EVC 7-14-89 MFG DP 7-17-89

R/M

SPECIFICATION CONTROL DRAWING

DISTRIBUTION STATEMENT A: APPROVED FOR PUBLIC RELEASE; DISTRIBUTION IS UNLIMITED.

APPLICATION

NHA USED ON LTR DATE ECO ECP REVISION DESCRIPTION APVD

1214777 WSR-88D A 90-03-12 B02787( B) S/N 1 REVISED & REDRAWN EVC

B 90-12-09 B02790 (BI) FSP REVISED & REDRAWN MS

C 90-12-18 D17406 (M) REVISED & REDRAWN MS

D 94-03-17 F01756 (U)

E 08-01-31 A03594 (NA) SHOW SPARE PINS PK

F 12-07-09 DPL0099 (NA) SHOW DP SIGNALS RWM

G 17-11-14

ECP 0670

A07639 (U)

ADD -203 THRU -206 DLR

H 24-02-28

ECP 1056

A10375 (NA)

ADDED FIGURES AND ADDITIONAL

INFORMATION FOR THE BRUSH

BLOCK ASSEMBLIES

GWJ

J 24-07-26

ECP 1056

A10599 (NA)

CORRECTIONS MADE THAT WERE

MISSED DURING THE TIFF TO

DOC/DWG CONVERSION

GWJ

K 24-10-15

ECP 1056

A10713 (NA)

F TO C CONVERSION CORRECTION GWJ

CURRENT DESIGN ACTIVITY CAGE CODE 0WY55

DOC/DOD/DOT

WSR-88D RADAR OPERATIONS CENTER

1313 HALLEY CIRCLE, NORMAN, OKLAHOMA 73069-8480

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1. GENERAL

1.1. INTERPRET THIS DRAWING IN ACCORDANCE WITH DOD-STD-100.

1.2. IDENTIFICATION OF ANY SUGGESTED SOURCE(S) OF SUPPLY HEREON IS NOT

TO BE CONSTRUED AS A GUARANTEE OF PRESENT OR CONTINUED

AVAILABILITY AS A SOURCE OF SUPPLY FOR THE ITEM(S).

1.3. THIS SPECIFICATION ESTABLISHES THE REQUIREMENTS FOR A SLIP RING

ASSEMBLY TO ENABLE ELECTRICAL SIGNALS TO PASS FROM A ROTORY

MEMBER TO A STATIONARY MEMBER. THE SLIP RING ASSEMBLY COVERED

BY THIS DRAWING SHALL BE CAPABLE OF MEETING THE REQUIREMENTS OF

THIS DRAWING WHEN OPERATED UNDER OR AFTER ANY OF THE CONDITIONS

SPECIFIED HEREIN OR COMBINATIONS THEREOF.

2. REQUIREMENTS:

2.1. THE SLIP RING ASSEMBLY SHALL CONSIST OF THE FOLLOWING CHANNELS

(CONDUCTORS AND THEIR ASSOCIATED SLIP RINGS).

DASH 201

GROUP A -3 INDIVIDUAL SHIELDED CONDUCTORS FOR HIGH CURRENT MOTOR

SIGNALS.

GROUP B -4 CONDUCTORS FOR 115 VOLTS 60 Hz SUPPLY.

GROUP C -26 CONDUCTORS AND 7 SHIELDED CONDUCTORS (INCLUDES 2

TWISTED SHIELDED PAIRS AND 1 TWISTED SHIELDED TRIPLET)

FOR INTERLOCKS, CONTROL BUSES AND D.C. POWER.

GROUP D -8 SHIELDED TWISTED PAIRS FOR CONTROL AND DATA

TRANSMISSION.

DASH 202

GROUP A -3 INDIVIDUAL SHIELDED CONDUCTORS FOR HIGH CURRENT MOTOR

SIGNALS.

GROUP B -6 CONDUCTORS FOR 115 VOLTS 60 Hz SUPPLY.

GROUP C -39 CONDUCTORS AND 14 SHIELDED CONDUCTORS (INCLUDING 4

TWISTED SHIELDED PAIRS AND 2 TWISTED SHIELDED TRIPLETS)

FOR INTERLOCKS, CONTROL BUSES AND D.C. POWER.

GROUP D -11 SHIELDED TWISTED PAIRS FOR CONTROL AND DATA

TRANSMISSION.

2.2. RUN-IN: PRIOR TO PERFORMING ANY TESTING (INITIALLY OR AFTER A

SUBSTANTIAL STORAGE PERIOD) THE SLIP RING ASSEMBLY SHALL BE

SUBJECTED TO THE FOLLOWING RUN-IN PROCEDURE: THE ROTOR SHALL BE

ROTATED WITH RESPECT TO THE STATOR AT A SPEED OF 30 REVOLUTIONS

PER MINUTE FOR A PERIOD OF FIVE HOURS IN A COUNTERCLOCKWISE

DIRECTION AND THEN IMMEDIATELY FOR FIVE HOURS IN A CLOCKWISE

DIRECTION. THE SLIP RING ASSEMBLY SHALL THEN BE EXAMINED FOR THE

FOLLOWING:

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A. CONTAMINATION: ANY LOOSE PARTICLES OR FILM WITH THE ASSEMBLY

OTHER THAN CONTACT MATERIAL.

B. SEIZURE: ANY LOCAL WEAR TRACK ROUGHNESS EXCEEDING THAT OF THE

RING FINISH AND/OR AN INDICATION OF UNSYMMETRICAL WEAR.

2.3. ELECTRICAL:

2.3.1. PHYSICAL PLACEMENT: RINGS SHALL BE IN NUMERICAL SEQUENCE WITH THE

SIGNALS CARRIED AS DEFINED BELOW. THE ELECTRICAL REQUIREMENTS FOR

EACH RING SHALL BE IN ACCORDANCE WITH THE SIGNAL TYPE CALLED OUT

FOR ITS GROUPING AND ITS CORRESPONDING SPECIFICATION GIVEN IN

2.3.1.1 THROUGH 2.3.1.4 SHIELDS AND GROUND RINGS SHALL PROVIDE

CONTINUITY FOR THE DESIGNATED SHIELDS AND GROUNDS AS SHOWN IN

FIGURE 2.

2.3.1.1. GROUP A CHANNELS (RINGS 62, 63, 64, 65)

MAXIMUM CURRENT: 40 AMPS

VOLTAGE: 150 VOLTS DC

RESISTANCE (MAX @ 25C (77F)): 0.1 OHM

NOISE (MAX): 10 MILLIVOLTS MEASURED ACROSS

THE CIRCUIT PAIRS ON THE STATOR

END CONNECTOR WITH THE

CORRESPONDING CIRCUIT PAIRS

SHORTED ON THE ROTOR HARNESS

WITH RINGS CARRYING 1 AMP AND

ROTOR ROTATING IN RESPECT TO

THE STATOR AT 6 RPM.

CROSSTALK: WITH 75 OHM LOADS ON BOTH THE

DRIVEN CHANNEL AND THE CHANNEL

BEING TESTED, THE CROSSTALK

BETWEEN EACH CHANNEL ON GROUP A

TO EACH CHANNEL ON THE GROUPS

LISTED BELOW SHALL NOT EXCEED THE

VALUES SPECIFIED

GROUP B -50 dB @ 20 KHz GROUP C -60 dB @ 20 KHz GROUP D -70 dB @ 20 KHz

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2.3.1.2. GROUP B CHANNELS (RINGS 57, 58, 59, 60 FOR DASH 201 AND RINGS 57,

58, 59, 60, 66, 67 FOR DASH 202)

MAXIMUM CURRENT: 5 AMPS

VOLTAGE: 115 VAC @ 60 Hz

RESISTANCE (MAX @ 25C (77F)): 0.1 OHM

NOISE (MAX): 10 MILLIVOLTS MEASURED ACROSS

THE CIRCUIT PAIRS ON THE STATOR

END CONNECTOR WITH THE

CORRESPONDING CIRCUIT PAIRS

SHORTED ON THE ROTOR HARNESS

WITH RINGS CARRYING 1 AMP AND

BEING TESTED, THE CROSSTALK

BETWEEN EACH CHANNEL ON GROUP

B TO EACH CHANNEL ON ALL OTHER

GROUPS (A, C, D) SHALL NOT EXCEED

-80 dB @ 60Hz.

2.3.1.3. GROUP C CHANNELS (RINGS 24 THROUGH 56 INCLUSIVE FOR DASH 201;

RINGS 24 THROUGH 56 INCLUSIVE AND 68 THROUGH 87 INCLUSIVE FOR

DASH 202)

MAXIMUM CURRENT: 5 AMPS

VOLTAGE: 90 VOLTS DC MAX

RESISTANCE (MAX @ 25C (77F)): 0.1 OHM

NOISE (MAX): 10 MILLIVOLTS MEASURED ACROSS

THE CIRCUIT PAIRS ON THE STATOR

END CONNECTOR WITH THE

CORRESPONDING CIRCUIT PAIRS

SHORTED ON THE ROTOR HARNESS

WITH RINGS CARRYING 0.1 AMP AND

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BEING TESTED, THE CROSSTALK

BETWEEN EACH CHANNEL ON GROUP

C TO EACH CHANNEL ON ALL OTHER

GROUPS (A, B, D) SHALL NOT

EXCEED -60 dB @ 150 KHz. THE

CROSSTALK BETWEEN ANY TWO

CHANNELS ON GROUP C SHALL NOT

EXCEED -50 dB @ 150 KHz.

2.3.1.4. GROUP D CHANNELS (RINGS 1 THROUGH 23 INCLUSIVE FOR DASH 201; RINGS 1

THROUGH 23 INCLUSIVE AND 89 THROUGH 95 INCLUSIVE FOR DASH 202)

MAXIMUM CURRENT: 1 AMP

VOLTAGE: 10 VOLTS @ 150 KHz

RESISTANCE (MAX @ 25C (77F)): 0.1 OHM

NOISE (MAX): 10 MILLIVOLTS MEASURED ACROSS

THE CIRCUIT PAIRS ON THE STATOR

END CONNECTOR WITH THE

CORRESPONDING CIRCUIT PAIRS

SHORTED ON THE ROTOR HARNESS

WITH RINGS CARRYING 0.1 AMP AND

BEING TESTED, THE CROSSTALK

BETWEEN EACH CHANNEL ON GROUP

D TO EACH CHANNEL ON THE GROUPS

LISTED BELOW SHALL NOT EXCEED

THE VALUES SPECIFIED.

GROUP A -70 dB @ 150 KHz GROUP B -60 dB @ 150 KHz GROUP C -60 dB @ 150 KHz

THE CROSSTALK BETWEEN ANY TWO

CHANNELS ON GROUP D SHALL NOT

EXCEED -60 dB @ 150 KHz.

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2.3.2. DIELECTRIC STRENGTH: 500 VOLTS RMS, 60 Hz FOR 5 SECONDS ON EACH

CHANNEL IN ANY GROUP WITH ALL OTHER CHANNELS GROUNDED.

2.3.3. INSULATION RESISTANCE: 100 MEGOHM MINIMUM, MEASURED AT 500 V D.C.

ON EACH CHANNEL IN ANY GROUP WITH ALL OTHER CHANNELS GROUNDED.

2.3.4. ELECTRICAL INTERFERENCE: THE SLIP RING ASSEMBLY SHALL BE DESIGNED

TO PRECLUDE THE ENTRY OF LOW AND HIGH FREQUENCY SIGNALS ON TO

THE CHANNELS INSIDE OF THE UNIT THROUGH ANY JOINTS, SEAMS AND

OPENINGS. R.F. GASKETING SHALL BE USED FOR THIS PURPOSE.

2.4. SPEED: THE UNIT SHALL BE DESIGNED TO MEET THE REQUIREMENTS

SPECIFIED HEREIN WHEN ROTATING AT A RATE OF 12 RPM.

2.5. TORQUE: THE STARTING AND OPERATING TORQUE SHALL NOT EXCEED

5 FT-LBS UNDER ALL OPERATING AND ENVIRONMENTAL CONDITIONS.

2.6. DELTA TEMPERATURE RISE: THE TEMPERATURE RISE OF THE SLIP RING

CIRCUITS SHALL NOT EXCEED 27.8ºC (50F) WHEN THAT CIRCUIT IS

CONDUCTING RATED CURRENT.

2.7. ENVIRONMENTAL

2.7.1. TEMPERATURE RANGE: OPERATING: -40ºC (-40F) TO +49ºC (120F)

NON-OPERATING: -62ºC (-80F) TO +60ºC (140F)

2.7.2. HUMIDIDTY: OPERATING AND NON-OPERATING: 15 TO 100%

2.7.3. ALTITUDE: UP TO 3300 METERS ABOVE SEA LEVEL, OPERATING

2.7.4. SALT FOG: UNIT SHALL BE CAPABLE OF CONTINUOUS OPERATION IN A SALT

LADEN ATMOSPHERE WITHOUT DEGRADATION OF MATERIAL SURFACES OR

PERFORMANCE.

2.7.5. TRANSPORTABILITY: THE UNIT SHALL BE DESIGNED TO WITHSTAND THE

VIBRATION AND SHOCK ENCOUNTERED DURING TRANSPORTATION BY

AIRCRAFT, SHIP, RAIL AND TRUCK. THE UNIT IN ADDITION, SHALL NOT BE

DAMAGED OR LOSE PERFORMANCE CAPABILITY BY AIR TRANSPORTAION

ALTITUDES UP TO 50,000 FEET IN NON-PRESSURIZED COMPARTMENTS.

2.7.6. FUNGUS: THE SLIP RING ASSEMBLY SHALL BE COMPLIANT WITH

REQUIREMENT 4 (FUNGUS INERT MATERIALS) OF MIL-STD-454.

2.8. RELIABILITY: THE MTBF OF THE UNIT SHALL BE AT LEAST 100,000 HOURS

ALLOWING FOR PERIODIC BRUSH REPLACEMENT AND MAINTENANCE. RINGS

SHALL BE INCLUDED IN THE MTBF REQUIREMENT AND SHALL ADDITIONALLY

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SATISFY A MINIMUM TIME BETWEEN FAILURES REQUIREMENT OF 60,000

HOURS.

2.9. MAINTAINABLITY: THE UNIT SHALL HAVE FIELD REPLACEABLE BRUSHES OR

BRUSH ASSEMBLIES THAT CAN BE SERVED THROUGH ACCESS PLATE. BEARING

AND RINGS SHALL BE FACTORY REPLACEABLE.

2.10. WORKMANSHIP: PER MIL-STD-454, REQUIREMENT 9

2.11. CONNECTORS

DASH 201

STATOR ROTOR

J1=MS3102R22-22P J2=MS3102R22-22S

J3=MS3102R28-21P J4=MS3102R28-21S

J5=MS3102R28-21PW J6=MS3102R28-21SW

DASH 202

STATOR ROTOR

J1=MS3102R22-22P J2=MS3102R22-22S

J3=MS3102R28-21P J4=MS3102R28-21S

J5=MS3102R28-21PW J6=MS3102R28-21SW

J7=MS3102R28-15P J8=MS3102R28-15S

2.12. MATERIALS

2.12.1. MATERIALS, PARTS AND PROCESSES: THE ASSEMBLY SHALL BE CONSTRUCTED

OF MATERIALS, PARTS AND PROCESSES IN ACCORDANCE WITH SPECIFICATION

MIL-E-4158 AND AS SPECIFIED HEREIN.

2.12.2. RINGS: ALL RINGS SHALL BE COPPER WITH A SILVER WEAR PLATE OR

EQUIVALENT.

2.12.3. CONTACTS: EACH SLIP RING SHALL BE EQUIPPED WITH A MINIMUM OF TWO

CONTACTS WHICH ARE TO BE MADE OF SINTERED SILVER GRAPHITE.

CONTACT LIFE SHALL BE A MINIMUM OF 3,600,000 REVOLUTIONS (OR 10,000

HOURS AT A NOMINAL RATE OF 6RPM). CONTACT PADS SHALL BE SOLDERED

TO A “LEAF-SPRING” ARM WITH A TENSION MEASUREMENT OF 42-98 GRAMS AS

MEASURED WITH A STANDARD DYNAMOMETER. THE BRUSH BLOCKS SHOULD

USE AN INSULATOR MATERIAL BETWEEN LAYERS THAT SHALL BE MADE

FROM G-10 OR OTHER MATERIAL WITH SIMILAR PROPERTIES.

2.12.4. HARDWARE: ALL HARDWARE SHALL BE CRES TYPE 302 OR 303 PER QQ-S-763 OR

ASTM A582, PASSIVATED.

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2.12.5. THREADED INSERTS: ALL TAPPED HOLES USED FOR MOUNTING AND FOR THE

ACCESS COVERS, SHALL BE PROVIDED WITH PASSIVATED CORROSION

RESISTANT STEEL INSERTS.

2.12.6. ADHESIVES: IF ADHESIVES, STAKING COMPOUNDS OR SEALANTS INCLUDING

EPOXIES ARE USED IN THE MANUFACTURE OF THIS ITEM, SPECIFICATION

MIL-STD-454, REQUIREMENT 23 SHALL APPLY.

2.13. FINISHES

2.13.1. CHEMICAL CONVERSION COATING ON ALUMINUM AND ALUMINUM ALLOY PER

MIL-C-5541, CLASS 3 ON ALL ALUMINUM SURFACES.

2.13.2. PAINT SYSTEM (ALL EXTERNAL SURFACES EXCEPT CONNECTORS AND

MOUNTING SURFACES)

2.13.2.1. WASH PRIMER PER DOD-P-15328.

2.13.2.2. ZINC CHROMATE PRIMER PER TT-P-1757.

2.13.2.3. ENAMEL GLOSS PER TT-E-489, CLASS A, WHITE, COLOR NO. 17925 PER

FED-STD-595.

2.14. MARKING

2.14.1. IDENTIFICATION: VENDOR IDENTIFICATION AND VENDOR PART NUMBER TO

BE APPLIED BY VENDOR PER MIL-STD-130.

2.14.2. OTHER MARKINGS: CONNECTOR DESIGNATION J1 THROUGH J6 (DASH 201)

AND J1 THROUGH J8 (DASH 202) SHALL BE MARKED IN CLOSE PROXIMITY TO

THE APPLICABLE CONNECTORS (REFERENCE FIG. 1) AND APPLIED BY

VENDOR IN ACCORDANCE WITH MIL-STD-130.

2.14.3. PART NUMBER: THE ROC PART NUMBER IS THE DRAWING NUMBER SUFFIXED

WITH THE APPLICABLE DASH NUMBER SHOWN IN TABLE I OR II. PART

NUMBER SHOULD BE MARKED IN CLOSE PROXIMITY TO THE VENDORS PART

NUMBER AND SHALL BE APPLIED IN ACCORDANCE WITH MIL-STD-130.

3. QUALITY ASSURANCE PROVISIONS

3.1. RESPONSIBILITY FOR TESTS: UNLESS OTHERWISE SPECIFIED IN THE

CONTRACT OR PURCHASE ORDER, THE SUPPLIER IS RESPONSIBLE FOR THE

PERFORMANCE OF ALL INSPECTION REQUIREMENTS AS SPECIFIED HEREIN.

EXCEPT AS OTHERWISE SPECIFIED, THE SUPPLIER MAY UTILIZE HIS OWN

FACILITIES OR ANY COMMERCIAL LABORATORY ACCEPTABLE TO THE

PROCURING ACTIVITY AND/OR THE GOVERNMENT. THE PROCURING ACTIVITY

AND/OR THE GOVERNMENT RESERVES THE RIGHT TO PERFORM ANY OF THE

INSPECTIONS OR WITNESS TESTS SET FORTH IN THIS SPECIFICATION WHERE

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SUCH INSPECTIONS/TESTS ARE DEEMED NECESSARY TO ASSURE THE UNIT

CONFORMS TO THE PRESCRIBED REQUIREMENTS.

3.2. QUALITY CONFORMANCE INSPECTION: EVERY UNIT SHALL BE CAPABLE OF

SATISFYING ALL THE REQUIREMENTS SPECIFIED HEREIN. EACH UNIT SHALL BE

FORMALLY VERIFIED AND VALIDATED IN ACCORDANCE WITH THE

VERIFICATION INDEX ESTABLISHED IN PARAGRAPH 3.3 AND THE NOTES.

3.3. VERIFICATION INDEX

PARAGRAPH

PERFORMANCE

TESTS

VISUAL

INSPECTION

ANALYTICAL

DATA

2.2 RUN-IN X

2.3.1 PHYSICAL PLACEMENT X

2.3.1.1

RESISTANCE

NOISE

CROSSTALK

X X

X (NOTE 1)

2.3.1.2

RESISTANCE

NOISE

CROSSTALK

X

2.3.1.3

NOISE

CROSSTALK

X

2.3.1.4

NOISE

CROSSTALK

X

2.3.2 DIELECTRIC STRENGTH X

2.3.3 INSULATION RESISTANCE X

2.3.4 ELECTRICAL INTERFERENCE X

2.4 SPEED X

2.5 TORQUE X

2.6 TEMPERATURE RISE X

2.7 ENVIRONMENTAL X

2.8 RELIABILITY X

2.9 MAINTAINABILITY X

2.10 WORKMANSHIP X

2.11 CONNECTORS X

2.12 MATERIALS X

2.13 FINISHES X

2.14 MARKING X

NOTES: 1. PERFORMANCE TESTS AND VISUAL INSPECTION TO BE PERFORMED ON

100% OF ALL DELIVERED UNITS IN ACCODANCE WITH UNISYS

APPROVED TEST PROCEDURES. “CROSSTALK TESTING IS TO BE

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PERFORMED ON A LIMITED TEST BASIS DURING PRODUCTION. SAMPLE

SIZE AND/OR SPECIFIC UNITS REQUIRING CROSSTALK TEST WILL BE

DEFINED IN THE CONTRACT OR PURCHASE ORDER.”

2. ANALYTICAL DATA IS TO BE PROVIDED ONLY ONCE AT THE TIME OF

QUALIFICATION TESTING.

3. QUALIFICATION TEST DATA (INCLUDES INSPECTION, PERFORMANCE

TEST AND ANALYTICAL DATA) SHALL BE SUBMITTED TO UNISYS FOR

APPROVAL PRIOR TO THE ACCEPTANCE OF ALL UNITS.

4. SUGGESTED SOURCE(S) OF SUPPLY:

ELECTRO-MINIATRES CORP. (CAGE CODE 17399)

MOONACHIE, NJ

PART NO.: SEE TABLES I AND II

KDI ELECTRO-TEC CORP. (CAGE CODE 98089)

SUB OF KDI CORP

BLACKSBURG, VA

PART NO.: SEE TABLE I

PRINCETEL INC. / WENDON ENGINEERING (CAGE CODE 7TCS1)

HAWTHORNE, NY

PART NO.: SEE TABLE II

TABLE I

SLIP RING ASSEMBLIES

DASH

NO.

ELECTRO-MINIATURE

PART NO.

KDI PART NO.

NUMBER OF

RINGS

201 E2263-00-1 PER THIS DRAWING 65

202 E2263-00-2 PER THIS DRAWING 95

TABLE II

BRUSH BLOCK ASSEMBLIES

DASH

NO.

ELECTRO-MINIATURE

PART NO.

PRINCETEL

/WENDON

PART NO.

DESCRIPTION NOTE

203 C2263-20-5 W65-8-108

SIGNAL BRUSH BLOCK

ASSY (ODD)

204 C2263-20-6 W65-8-104-2

SIGNAL BRUSH BLOCK

ASSY (EVEN)

205 D2263-23-2 W65-8-107-1

POWER BRUSH BLOCK

ASSY

206 2263-96-1-1 N/A

BRUSH BLOCK ASSY

(SPARE PARTS)

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NOTES: 1. DASH 203 (C2263-20-5) IS A DIRECT REPLACEMENT FOR C2263-20-1. SEE

FIGURE 3 FOR MORE INFORMATION.

2. DASH 204 (C2263-20-6) IS A DIRECT REPLACEMENT FOR C2263-20-2. SEE

FIGURE 4 FOR MORE INFORMATION.

3. DASH 205 (D2263-23-2) IS A DIRECT REPLACEMENT FOR D2263-23. SEE

FIGURE 5 FOR MORE INFORMATION.

4. DASH 206 IS A KIT. IT CONSIST OF TWO (2) ODD SIGNAL BRUSH BLOCK

ASSEMBLIES (-203), TWO (2) EVEN SIGNAL BRUSH BLOCK ASSEMBLIES

(-204) AND ONE (1) POWER BRUSH BLOCK ASSEMBLY (-205)

5. FIGURES AND DIAGRAMS

FIGURE 1

CONFIGURATION DASH 201 AND DASH 202

TOLERANCES (UNLESS OTHERWISE SPECIFIED)

.XX ±.03

.XXX ±.005

ANGLES ±.5

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VIEW A-A

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VIEW B-B

ANGULAR TOLERANCE ±1

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FIGURE 2

WIRING DIAGRAM

(DASH 201 AND 202)

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FIGURE 2 (CONTINUED)

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(DASH 202 ONLY)

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BRUSH BLOCKS (FIGURES 3 -5): MEASUREMENTS ARE IN INCHES

TOLERANCES (UNLESS OTHERWISE SPECIFIED)

2PL ±.13

3PL ±.010

FIGURE 3

(DASH 203)

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FIGURE 4

(DASH 204)

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FIGURE 5

(DASH 205)

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