Attachment_0009_MEO_B1887_W58RGZ-19-R-0050.pdf

MAINTENANCE ENGINEERING ORDER

(AMCOM Reg. 750-2)

MEO NO.

DATE PAGE 1 of

TITLE Tolerances Unless otherwise noted, dimensions are in inches and tolerances are:

Fractional ………………… ± 1/32 Decimal ………………... ± 0.010 Angular ………………… ± ½°

APPLICABILITY CSI Critical Characteristic Affected?

Impact Statement Attached?

REFERENCES FOR RDECOM USE ONLY

DOCUMENT(S) AFFECTED

PURPOSE OR PROBLEM

PROJECT ENGINEER ENGINEERING REVIEW ENGINEERING RELEASE

MED FORM 5-DEC-09 1401-R-E

B 1887

May 28, 2015 9

UH-60 Tail Rotor Blade (P/N 70101-11200-044 or 70101-31000-043);

Electrical Testing Equipment, Update of

Technical

INTERIM USE OF THIS MEO IS AUTHORIZED

UNTIL AFFECTED DOCUMENT IS UPDATED.

MEO CHANGE TYPE

3) High - Has a business or process impactPRIORITY IMPLEMENTATION CATEGORY

UH60 DAF

DMWR 1-1615-287, dated 30 December 2011 MEC B178422 28 January 2014

SAC DWG 70101-31000 Rev U, Note 40

DOCUMENT CHANGE IS REQUIRED Verification: Hands-On Table-Top None

The electrical test equipment delineated in Table B-2 is not what is being used on the Blade Shop floor, due to age and availability. This document will bring the electrical test equipment and the testing procedures up-to-date and provide for future advancements in the technology.

GRZELECKI.DAN

IEL.P.125929525

Digitally signed by

GRZELECKI.DANIEL.P.1259295250

DN: c=US, o=U.S. Government, ou=DoD, ou=PKI, ou=USA, cn=GRZELECKI.DANIEL.P.1259295250 Date: 2015.03.13 16:55:00 -05'00'

NELSON.PATRIC

K.ANDREW.1076

942095

Digitally signed by

NELSON.PATRICK.ANDREW.1076942095

DN: c=US, o=U.S. Government, ou=DoD, ou=PKI, ou=CONTRACTOR, cn=NELSON.PATRICK.ANDREW.1076942 Date: 2015.03.13 15:29:34 -05'00'

Patrick A. Nelson (Camber)

HORN.REINHOL

D.J.1087783495

Digitally signed by

HORN.REINHOLD.J.1087783495

DN: c=US, o=U.S. Government, ou=DoD, ou=PKI, ou=USA, cn=HORN.REINHOLD.J.1087783495 Date: 2015.05.26 10:57:58 -05'00'

Daniel P. Grzelecki Ron J. Horn

PUBLICATION CHANGE REQUEST: REQUEST THAT THE FOLLOWING DATA BE INCLUDED IN THE NEXT

CHANGE OR REVISION TO THE PUBLICATION IDENTIFIED ABOVE.

WP NO. PAGE

NO.

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TABLE

NO.

CHANGES

(EXACT WORDING OF CHANGES MUST BE GIVEN)

3-18

3-137

4-8

3-13.25.u

4-4.2

Figure 3-3

CHANGE item 80 to read as follows:

Figure Qty Usable & Index per on

No. Part Number 1234567 Description Assy Code

-80 M83723- . . . . Connector 1 83G1407N

M83723- . . . . (Alternate for 1 85G1407N M83723-83G1407N)

CHANGE the first sentence of paragraph 3-13.25.u to read:

"u. Perform an electrical continuity test using a digital multimeter (Fluke 27, or equivalent , Table B-2) between repaired area ... ".

DELETE current paragraph 4-4.2 and REPLACE it with the following:

Distribution Statement D:- Distribution authorized to Department of Defense and U.S. DoD contractors only to protect critical technology effective as of 26 June 2014. Other requests for this document must be referred to U.S. Army Aviation and Missile Research, Development and Engineering Center, ATTN: RDMR -AEM , Corpus Christi, TX 78419-5211

MED FORM 26 JUN 2014

W58RGZ-17-R-0237

Attachment 0009

Continuation Sheet

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MED FORM 15-DEC-09 1401-R-E

4-8

4-8 4-4.3

Figure 4-2.1

"4-4.2. Resistance Check for Overhaul and Repair (O&R) Blades (De-ice Heater Mat Not Replaced)

a. Connect cannon plug on 6-pin electrical breakout box (shop aid or similar) to connector on A-paddle of blade assembly.

b. Set multimeter (Fluke 27, or equivalent, Table B-2) to (ohms) and connect test leads in the ohmmeter position.

c. Connect multimeter test leads to terminals 1 and 2 on the 6-pin electrical breakout box (shop aid or similar).

d. Resistance shall be no less than 6.87 OHMS and no greater than 7.91 OHMS. Record resistance readings on O&R De-Ice Heater Mat Inspection Data Sheet (Figure 4-2.2).

e. Repeat steps c. and d. for the following connector pin pairs on the terminal block:

(1) 3 and 4

(2) 5 and 6

f. Place multimeter OFF.

g. Disconnect leads from the 6-pin electrical breakout box (shop aid or similar).

h. Repeat steps a. through g. for the B-paddle (of blade assembly) De-ice Heater Mat."

ADD Figure 4-2.1 as found on page 7 of this document.

DELETE current paragraph 4-4.3 and REPLACE it with the following:

"4-4.3. Resistance Check for Replacement (New) De-ice Heater Mats.

a. Connect cannon plug on 6-pin electrical breakout box (shop aid or similar) to connector on applicable blade assembly De-ice Heater Mat.

b. Set multimeter (Fluke 27, or equivalent, Table B-2) to (Ohms) and connect test leads in the ohmmeter position.

c. Connect multimeter test leads to terminals 1 and 2 on the 6-pin electrical breakout box (shop aid or similar).

d. Resistance shall be no less than 7.01 OHMS and no greater than 7.74 OHMS. Record resistance readings on Replacement De-ice Heater Mat Inspection Data Sheet ( Figure 4-2.3).

MED FORM 26 JUN 2014

B 1887

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MED FORM 15-DEC-09 1401-R-E

4-9

4-9

4-9 4-4.4

Table 4-1

Figure 4-2.2

e. Repeat steps c. and d. for the following pin pairs on the 6-pin electrical breakout box (shop aid or similar):

(1) 3 and 4

(2) 5 and 6

f. Place multimeter OFF.

g. Disconnect leads from 6-pin electrical breakout box.

h. Repeat test for remaining new De-Ice Heater Mat, as applicable."

DELETE Table 4-1 in its entirety.

ADD Figure 4-2.2 as found on page 8 of this document.

DELETE current paragraph 4-4.4 and REPLACE it with the following:

"4-4.4. 500 VDC Megger Test.

a. Connect cannon plug on 6-pin electrical breakout box (shop aid or similar) to connector on either the A- or B-paddle De-ice Heater Mat.

b. On megohmmeter test set (Megger MIT 400, or equivalent, Table B-2), place the selector to 500V range.

c. Clip one lead from the megohmmeter test set to terminal 1 of the 6-pin electrical breakout box and the other lead to terminal 3.

d. Push "TEST" button momentarily.

e. Read the megohms on the scale/digital readout.

f. The insulated resistance readings must be equal to, or greater than, the following:

(1) 5 megohms for Overhaul and Repair (O&R) blade De-ice Heater Mats.

(2) 100 megohms for Replacement (New) De-ice Heater Mats.

g. Record readings on the O&R De-Ice Heater Mat Inspection Data Sheet or the Replacement De-Ice Heater Mat Inspection Data Sheet (Figure 4-2.2 or 4-2.3).

h. Repeat steps c. through g. for the following terminal pairs:

(1) 3 and 5

(2) 5 and 1

(3) Nickel Abrasion Strip and 1

(4) Nickel Abrasion Strip and 3

(5) Nickel Abrasion Strip and 5

MED FORM 26 JUN 2014

B 1887

Continuation Sheet

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MED FORM 15-DEC-09 1401-R-E

4-9 and 4-10

4-10

4-10 4-4.5

Table 4-2

Figure 4-2.3

i. Place the selector to the OFF position and disconnect megohmmeter test set leads from the 6-pin electrical breakout box (shop aid or similar).

j. Repeat steps a. through i. for the remaining De-ice Heater Mat.

k. If De-ice Heater Mat fails test, troubleshoot the applicable paddle electrical connector, clean or replace pins, and check wiring for continuity. If De-ice Heater Mat needs replacement, replace per para 3-13.32.1."

DELETE Table 4-2 in its entirety.

ADD Figure 4-2.3 as found on page 9 of this document.

DELETE current paragraph 4-4.5 and REPLACE it with the following:

"4-4.5. 1500 VAC High-Pot Test for Replacement De-ice Heater Mat (NOT Required for O&R blades).

a. Using the operators manual for the AC High-Pot Tester (Hypot II Model 3500D, or equivalent, Table B-2), turn the power ON and set/ensure the following test parameters are entered into the instrument:

(1) Voltage = 1.5K VAC

(2) High Current Trip = 10 ma

(3) Low Current Trip = 0 ma

(4) Ramp Timer = 2 sec

(5) Dwell Timer = 5 sec

(6) AC Output Frequency = 60 Hz

(7) Continuity = OFF

b. Connect the cannon plug on the 6-pin electrical breakout box (shop aid or similar) to the connector on either the A- or B-paddle De-ice Heater Mat, whichever was replaced.

c. Connect one of the test leads of the AC High-Pot Tester (Hypot II Model 3500D, or equivalent, Table B-2) to terminal 1 of the 6-pin electrical breakout box and the other lead to terminal 3.

d. Momentarily, push the RESET button, then the TEST button to initiate the test.

e. Hold at 1.5K VAC for 5 seconds. No visible arcing or breakdown shall occur.

f. Record the test results (Pass or Fail) on the Replacement De-Ice Heater Mat Inspection Data Sheet (Figure 4-2.3).

MED FORM 26 JUN 2014

B 1887

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MED FORM 15-DEC-09 1401-R-E

B-3, B-4 Table B-2

g. Repeat steps b. through f. for the following terminal pairs:

(1) 3 and 5

(2) 5 and 1

(3) Nickel Abrasion Strip and 1

(4) Nickel Abrasion Strip and 3

(5) Nickel Abrasion Strip and 5

h. Turn power OFF on AC High-Pot tester (Hypot II Model 3500D, or equivalent, Table B-2) and disconnect all test leads.

i. Repeat the 500 VDC Megger test per para 4-4.4 (NOT required for O&R blades)."

DELETE the following lines in Table B-2:

Reference Nomenclature NSN or Part No. Cage Paragraph of Use

*Digital Multimeter 6625-01-039-7922 3-13.25, 4-4.5

Automatic Test Model A720/188 6P763 4-4.2 Set or Model 1740

Test Cable T7055-01081-271 78286 4-4.2 Test Cable T7055-01081-272 78286 4-4.2

Multi-Volt Meter MG-251 00426 4-4.5 Hi-Pot

DIT-MCO 2500 HVA-0206 4-4.6

Electrical Tester

*Or equivalent

MED FORM 26 JUN 2014

B 1887

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MED FORM 15-DEC-09 1401-R-E

B-3, B-4 Table B-2 REPLACE deleted items of Table B-2 with the following:

Reference Nomenclature NSN or Part No. Cage Paragraph of Use

Digital Multimeter Fluke 27, or 89536 4-4.2, 4-4.3 equivalent

Megohmmeter Megger MIT 400 KCDW5 4-4.4 Insulation Tester or equivalent

AC High-Pot Hypot II 04237 4-4.5 Dielectric Voltage Model 3500D, Withstand Tester or equivalent

DIT-MCO Model S2.2500.HVA, 4-4.6 Electrical Tester Model S2.2650.HVA, or equivalent

MED FORM 26 JUN 2014

B 1887

Continuation Sheet

MEO NO.

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MED FORM 15-DEC-09 1401-R-E

DMWR 1-1615-287

Figure 4-2.1. De-Ice Heater Mat Wiring

4-8

MED FORM 26 JUN 2014

B 1887

Continuation Sheet

MEO NO.

PAGE of

MED FORM 15-DEC-09 1401-R-E

DMWR 1-1615-287

OVERHAUL AND REPAIR (O&R) DE-ICE HEATER MAT

INSPECTION DATA SHEET

P/N 70101-11200-044

(CIRCLE ONE)

P/N 70101-31000-043

BLADE S/N ______________________ DATE: _________________

ACCEPT: A-Paddle ________ REJECT: A-Paddle ________ TESTED BY __________________

B-Paddle ________ B-Paddle ________

RESISTANCE TEST

PINS READING OHMS

A-Paddle B-Paddle

1 and 2

3 and 4

5 and 6

REMARKS ______________________________

ACCEPTANCE CRITERIA

RESISTANCE 6.87 TO 7.91 OHMS

MEGGER >5 MEGOHMS

MEGGER TEST

500VDC

PINS READING OHMS

A-Paddle B-Paddle

1 and 3

3 and 5

5 and 1

Nickel A-Strip and 1

Nickel A-Strip and 3

Nickel A-Strip and 5

FIGURE 4-2.2. Overhaul and Repair (O&R) Blade Inspection Data Sheet (De-Ice Heater Mat Not Replaced)

4-9

MED FORM 26 JUN 2014

B 1887

Continuation Sheet

MEO NO.

PAGE of

MED FORM 15-DEC-09 1401-R-E

DMWR 1-1615-287

REPLACEMENT DE-ICE HEATER MAT

INSPECTION DATA SHEET

P/N 70101-11200-044 A-PADDLE

(CIRCLE ONE) (CIRCLE ONE)

P/N 70101-31000-043 B-PADDLE

BLADE S/N ______________________ DATE: _________________

ACCEPT ________________ REJECT _________________ TESTED BY ________________________

RESISTANCE TEST MEGGER TEST HI-POT TEST MEGGER

PINS READING

OHMS

500 VDC

PINS

READING

OHMS

1500VAC

PINS

RESULT

P=PASS

F=FAIL

READING

OHMS

1 and 2 1 and 3 1 and 3

3 and 4 3 and 5 3and 5

5 and 6 5 and 1 5 and 1

Nickel A-Strip and 1 Nickel A-Strip and 1

Nickel A-Strip and 3 Nickel A-Strip and 3

Nickel A-Strip and 5 Nickel A-Strip and 5

REMARKS ______________________________

ACCEPTANCE CRITERIA

RESISTANCE 7.01 TO 7.74 OHMS

MEGGER >100 MEGOHMS

HI-POT 1500 VAC 5 SEC WITH NO

VISIBLE ARCING OR BREAKDOWN

FIGURE 4-2.3. Replacement De-Ice Heater Mat Inspection Data Sheet

4-10

MED FORM 26 JUN 2014

B 1887

RDMR-AEM

MEMORANDUM FOR RECORD:

SUBJECT: Impact of AED Maintenance Engineering Order (MEO) on maintenance using ,affecting system:

Enclosed MEO is issued by this office and is provided as part of our Technical Data user support mission.

4. THIS MEO CHANGES THE FOLLOWING (Check all that apply):

1.

Consumables

Materials

Expendables

Repairable Bill of Materials (RBOM)Impact

3. PRIORITY IMPLEMENTATION CATEGORY :

6. :

. Point of contact for this action is

2. FOR AMCOM ACQUISITION CENTER USE ONLY:

This MEO was written as a request from a contractor/KO on an active M&O contract.

Request that MEO be transmitted to the contractor as soon as possible.

b.Items checked in this area are considered Normal Priority Implementation Category.

Illustrated Parts Breakdown Change Mandatory Replacement Part

TSO/TSN Change Configuration Change

Publication New Change

Hardware Tooling Equipment

New/Revised Procedure/Process

Process Improvement Project Inspection

Special Process Testing Cost Savings a.Items checked in this area are considered High Priority Implementation Category.

5. Reason(s) MEO Written:

Other

Other

B 1887

DMWR 1-1615-287, dated 30 December 2011 UH60 Tail Rotor

B 1887

3) High - Has a business or process impact

CCAD Request

No

The electrical test equipment delineated in Table B-2 is not what is being used on the Blade Shop floor, due to age and availability. This document will bring the electrical test equipment and the testing procedures up to date.

Patrick A. Nelson, LE, RDMR-AEM/Camber, (361) 961-6621

NELSON.PATRICK.ANDRE

W.1076942095

Digitally signed by NELSON.PATRICK.ANDREW.1076942095 DN: c=US, o=U.S. Government, ou=DoD, ou=PKI, ou=CONTRACTOR, cn=NELSON.PATRICK.ANDREW.1076942095 Date: 2015.03.13 15:29:58 -05'00'