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Meggitt PRE1010 Component Maintenance Manual With Illustrated Parts List

Ambient pressure sensor
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COMPONENT MAINTENANCE MANUAL
Export Control Regulations
The information contained in this document may be subject to Export Control Regulations of the European
Community, USA, or other countries. Each recipient of this document is responsible to ensure that transfer or
use of any information contained in this document complies with all relevant Export Control Regulations.
Jurisdiction : Civil / Classification : N/A / Licence : NLR (No Licence Required) / Origin : France.
Meggitt Proprietary Information
The information contained in this manual is the property of Meggitt (France) SAS and is disclosed in confidence.
Meggitt (France) SAS allows the aircraft operator’s maintenance organization the right to reproduce and/or copy
this information for the limited purpose of maintaining the units described herein and/or the aircraft. In all
othercases, it shall not be used, disclosed to others, copied or reproduced, in whole or in part, without the
express, prior written consent of Meggitt (France) SAS. In addition, it shall not be used in the creation,
manufacture, development or derivation of any modifications, spare parts, designs or configuration changes.
Furthermore, this information must not be used to obtain FAA, or any other government or regulatory body,
approval to do any of the foregoing.
Copyright © 2012 Meggitt (France) SAS
This manual is published by Meggitt (France) SAS (CAGE Code = F5496) formerly known as Vibro-Meter (France) SA.
Publication Id :
213050_F5496_CMM_000.pdf
Revision No. :
0
Date of Initial Issue : Mar 26/12
WITH
ILLUSTRATED PARTS LIST
Ambient Pressure Sensor
Meggitt Part Number
PRE1010
CAGE Code F5496
www.meggittsensingsystems.com
21-30-50
Meggitt (France) SAS
8, Chemin de l'Étang
F – 16730 Fléac
France
www.vibro–meter.com
www.meggitt.com
TITLE PAGE
Page TP 1
Mar 26/12

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  • Page 1 Jurisdiction : Civil / Classification : N/A / Licence : NLR (No Licence Required) / Origin : France. Meggitt Proprietary Information The information contained in this manual is the property of Meggitt (France) SAS and is disclosed in confidence. Meggitt (France) SAS allows the aircraft operator’s maintenance organization the right to reproduce and/or copy this information for the limited purpose of maintaining the units described herein and/or the aircraft.
  • Page 2 Component Maintenance Manual PNR : PRE1010 THIS PAGE INTENTIONALLY LEFT BLANK TITLE PAGE Page TP 2 21-30-50 Mar 26/12...
  • Page 3 Component Maintenance Manual PNR : PRE1010 RECORD OF REVISIONS INSERTED INSERTED Rev. Rev. ISSUE DATE ISSUE DATE DATE DATE Mar 26/12 RECORD OF REVISIONS Page ROR 1 21-30-50 Mar 26/12...
  • Page 4 Component Maintenance Manual PNR : PRE1010 THIS PAGE INTENTIONALLY LEFT BLANK RECORD OF REVISIONS Page ROR 2 21-30-50 Mar 26/12...
  • Page 5 Component Maintenance Manual PNR : PRE1010 RECORD OF TEMPORARY REVISIONS INSERTED REMOVED TEMP TEMP REV PAGE No. REV No. STATUS DATE DATE RECORD OF TEMPORARY REVISIONS Page RTR 1 21-30-50 Mar 26/12...
  • Page 6 Component Maintenance Manual PNR : PRE1010 THIS PAGE INTENTIONALLY LEFT BLANK RECORD OF TEMPORARY REVISIONS Page RTR 2 21-30-50 Mar 26/12...
  • Page 7 Component Maintenance Manual PNR : PRE1010 SERVICE BULLETIN LIST SB ISSUE DATE OF Rev. SB/AEB TITLE MOD NO. DATE INCORPORATION SERVICE BULLETIN LIST Page SB 1 21-30-50 Mar 26/12...
  • Page 8 Component Maintenance Manual PNR : PRE1010 THIS PAGE INTENTIONALLY LEFT BLANK SERVICE BULLETIN LIST Page SB 2 21-30-50 Mar 26/12...
  • Page 9 Component Maintenance Manual PNR : PRE1010 LIST OF EFFECTIVE PAGES SUBJECT PAGE DATE SUBJECT PAGE DATE TITLE PAGE DESCRIPTION AND TP 1 Mar 26/12 1 Mar 26/12 OPERATION TP 2 Mar 26/12 2 Mar 26/12 3 Mar 26/12 RECORD OF...
  • Page 10 Component Maintenance Manual PNR : PRE1010 SUBJECT PAGE DATE SUBJECT PAGE DATE 7006 Mar 26/12 DISASSEMBLY 3001 Mar 26/12 7007 Mar 26/12 3002 Mar 26/12 7008 Mar 26/12 3003 Mar 26/12 SPECIAL TOOLS, 3004 Mar 26/12 9001 Mar 26/12 FIXTURES,...

  • Page 11: Table Of Contents

    Component Maintenance Manual PNR : PRE1010 TABLE OF CONTENTS TITLE PAGE ............TP 1 RECORD OF REVISIONS .
  • Page 12 Test of the PRE1010 Unit ........
  • Page 13 D. Global Procedures..........5002 E. Procedures for the External Parts of the PRE1010 ..... 5002 REPAIR General Data.
  • Page 14 Identication of the PRE1010 ........
  • Page 15 Component Maintenance Manual PNR : PRE1010 SPECIAL PROCEDURES Acceptance Test Report......... . . 11001 STORAGE Storage Procedures .
  • Page 16 Component Maintenance Manual PNR : PRE1010 THIS PAGE INTENTIONALLY LEFT BLANK TABLE OF CONTENTS Page TOC 6 21-30-50 Mar 26/12...
  • Page 17 1001 PRE1010 Test Logical Diagram ........1004 1002 Setup of the PRE1010 Test System for the Pressure Tests .
  • Page 18 Component Maintenance Manual PNR : PRE1010 THIS PAGE INTENTIONALLY LEFT BLANK Page LOI 2 21-30-50 Mar 26/12...

  • Page 19: Introduction

    1. General Data A. Applicable Equipment (1) This manual gives the maintenance instructions for the Ambient Pressure Sensor (PRE1010) of which the part number shows on the title page and in the header of each page of this manual. B. Manufacturer...

  • Page 20: Copyright Restriction

    Every effort has been made to provide an error–free manual; however discrepancies can occur. Except to the extent expressly agreed in writing by Meggitt (France) SAS, Meggitt shall not be liable for any loss or damage arising from use or omission from the instructions given in this manual.

  • Page 21: CertiCation

    Component Maintenance Manual PNR : PRE1010 H. Certication (1) The limits, values, and procedures of this manual are approved by review performance that the personnel of the manufacturer repair shop did. (a) The Table INTRO 1 gives the dates of certication.

  • Page 22: Format Of The Manual

    Component Maintenance Manual PNR : PRE1010 TASK 21-30-50-871-802-A01 2. Format of the Manual A. Structure (1) The format of this manual agrees with ATA iSpec2200 and the Document Type Denition that follows : ”ATA–TEXT//DTD CMM–VER8–LEVEL2//EN”. (a) The Table INTRO 2 shows the page blocks it is divided into.

  • Page 23: Measurement Units

    Component Maintenance Manual PNR : PRE1010 (3) This manual agrees with the specications of ASD-STE100 Simplied English (Issue 3, Jan 15/05) formally known as "AECMA PSC-85-16598". (4) The PDF copy of this manual includes the elements that follow to help to do the work on the specied equipment :...

  • Page 24: Numerical Styles

    Component Maintenance Manual PNR : PRE1010 C. Numerical Styles (1) The decimal values use a point, where it is applicable (for example : 0.5 nF or 5.04 pC/g). (2) A space, as an alternative to a comma or to a point, separates the numbers of more than 4 digits (for example : 1000, but 10 000 or 1 000 000).
  • Page 25 Component Maintenance Manual PNR : PRE1010 Table INTRO 5 (Sheet 2 of 4) List of the Abbreviations Abbreviation Denition (for guidance only) Air Transport Association Acceptance Test Procedure Acceptance Test Report Bar (Unit of Pressure) Coulomb (SI Unit of Electrical Charge)
  • Page 26 Component Maintenance Manual PNR : PRE1010 Table INTRO 5 (Sheet 3 of 4) List of the Abbreviations Abbreviation Denition (for guidance only) Maximum Manufacturer Millihertz (10 −3 Minimum mΩ Milliohm (10 −3 Ω) MΩ Megaohm (10 Ω) Modication Mod. Rec.
  • Page 27 Component Maintenance Manual PNR : PRE1010 Table INTRO 5 (Sheet 4 of 4) List of the Abbreviations Abbreviation Denition (for guidance only) psi / min Pound per square inch per minute (Change of pressure per unit of time) Power Supply Module...
  • Page 28 Component Maintenance Manual PNR : PRE1010 THIS PAGE INTENTIONALLY LEFT BLANK INTRODUCTION Page INTRO 10 21-30-50 Mar 26/12...

  • Page 29: Description And Operation

    1. General Data Subtask 21-30-50-870-001-A01 A. Scope (1) This page block gives the description of the serviceable properties of the Ambient Pressure Sensor (PRE1010). The related part number shows on the title page of this manual. Subtask 21-30-50-870-002-A01 B. General Description (1) The Ambient Pressure Sensor (PRE1010) is an avionic equipment that does the measurement of the cabin pressure altitude.

  • Page 30: Mechanical Description

    (2) The material of the PRE1010 housing is aluminum. At the bottom of the housing, there is a at bracket with three holes to attach the unit to the aircraft. (3) On the top cover of the PRE1010, there is one wall mounted connector, of type MIL-DTD-38999.

  • Page 31: Functional Overview

    The value of the cabin pressure on the AIMS 1 output. The value of the variation of the cabin pressure on the AIMS 2 output. (4) The Figure 2 shows the block diagram of the PRE1010. DESCRIPTION AND OPERATION Page 3 21-30-50...
  • Page 32 AIMS2 Power Supply Filter Filter AIMS1 AIMS2 Pressure Variation Processing Voltage Reference Offset Pressure Adjustment Processing Pressure Voltage Reference Acquisition 2.5 V Pressure Cell ICN-213050-F5496-00005-A-00-EPS Block Diagram of the PRE1010 Figure 2 DESCRIPTION AND OPERATION Page 4 21-30-50 Mar 26/12...

  • Page 33: Hardware Description

    Not connected Spare Not connected Spare (2) The Figure 3 shows the connector of the PRE-1010, MIL-DTL-38999 standard, dimension 11. (3) The Figure 4 shows a overall drawing of the PRE1010. DESCRIPTION AND OPERATION Page 5 21-30-50 Mar 26/12...
  • Page 34 Component Maintenance Manual PNR : PRE1010 ICN-213050-F5496-00006-B-00-EPS Connector of the PRE1010 Figure 3 DESCRIPTION AND OPERATION Page 6 21-30-50 Mar 26/12...
  • Page 35 (Ø 0.21 in) (0.94 in) (0.35 in) [ 3 X ] +0.2 58 mm 70 mm +0.008 (1.81 (2.28 in) (2.76 in) 12 mm (0.47 in) ICN-213050-F5496-00002-A-00-EPS Overall drawing of the PRE1010 Figure 4 DESCRIPTION AND OPERATION Page 7 21-30-50 Mar 26/12...

  • Page 36: Aims Type" Output Signals

    (1) An AIMS Type output signal is an analog signal that is generated by a AIMS system. (2) For the aircraft in which the PRE1010 is installed, the signals AIMS 1 and AIMS 2 are correct when the voltage measurements V...

  • Page 37: Most Important Properties

    Component Maintenance Manual PNR : PRE1010 TASK 21-30-50-871-804-A01 2. Most Important Properties A. The Table 3 gives the list of the most important properties of the Ambient Pressure Sensor. Table 3 (Sheet 1 of 3) Most Important Properties Properties Specication,Limits...
  • Page 38 ≤ 16.36 ≥ − 3 000 ± 300 Data voltage are out of the linear range for the absolute pressure measurements. Thus, the pressure data that the PRE1010 shows are not correct. DESCRIPTION AND OPERATION Page 10 21-30-50 Mar 26/12...
  • Page 39 ±10 −0.5 to −1.5 psi / min Data voltage are out of the linear range for the variation of the cabin pressure measurements. Thus, the pressure data that the PRE1010 shows are not correct. DESCRIPTION AND OPERATION Page 11 21-30-50...
  • Page 40 Component Maintenance Manual PNR : PRE1010 THIS PAGE INTENTIONALLY LEFT BLANK DESCRIPTION AND OPERATION Page 12 21-30-50 Mar 26/12...

  • Page 41: Testing And Fault Isolation

    (1) The function of this section is to make sure that the results of the Acceptance Test Procedure (ATP) for the PRE1010 obey one of the two conditions that follow : (a) The results are passed and in the specied limits. Thus the unit is fully serviceable after a servicing and can be released for ight operations.
  • Page 42 Component Maintenance Manual PNR : PRE1010 Table 1001 Standard Tools and Equipment Qty Description PNR / Specication Manufacturer Oscilloscope MSO6012 Agilent (V50443) Power Supply E3632A Pressure Gauge JOFRA HPC500 Ametek (V65048) Frequency TG1010A Generator (VK8267) Insulation Tester Commercially Range :0 MΩ – 1000 MΩ...
  • Page 43 Component Maintenance Manual PNR : PRE1010 (3) Consumables (a) Not applicable (4) Test Logical Diagram (a) Refer to the Figure 1001. TESTING AND FAULT ISOLATION Page 1003 21-30-50 Mar 26/12...
  • Page 44 Check Procedures Weight Measurement Isolation Resistance Measurement Ground Resistance Measurement Surge Protection Tests Pressure Tests at Ambient Temperature Differential Pressure Tests at Ambient Temperature ICN-213050-F5496-01001-B-00-EPS PRE1010 Test Logical Diagram Figure 1001 TESTING AND FAULT ISOLATION Page 1004 21-30-50 Mar 26/12...

  • Page 45: Job Setup

    Component Maintenance Manual PNR : PRE1010 (5) Referenced Information Table 1003 Referenced Information Reference Information CLEANING section of this manual, Cleaning procedures page block 4000 DESCRIPTION AND OPERATION Description and operation of the section of this manual, page block 1...
  • Page 46 PNR : PRE1010 Power Supplies Multimeter Manometer 10 k Laboratory Resistor Pressure Regulator Venturi System Pressure Chamber Pressure Gauge ICN-253010-F5496-01002-A-00-EPS Setup of the PRE1010 Test System for the Pressure Tests Figure 1002 TESTING AND FAULT ISOLATION Page 1006 21-30-50 Mar 26/12...
  • Page 47 Manometer 10 k 10 k Laboratory Resistors Power Supply Pressure Regulator Venturi System Pressure Chamber Pressure Gauge ICN-253010-F5496-01003-A-00-EPS Setup of the PRE1010 Test System for the Differential Pressure Tests Figure 1003 TESTING AND FAULT ISOLATION Page 1007 21-30-50 Mar 26/12...

  • Page 48: Acceptance Test Report

    Subtask 21-30-50-700-003-A01 D. Test Procedures (1) The Table 1004 gives the list of the test procedures that are necessary to operate in sequence for the ATP of the PRE1010. Table 1004 Test Procedures Test Refer to Paragraph Conformity Checks...

  • Page 49: Conformity Checks

    : (a) the identication of the equipment, (b) the visual inspection of the PRE1010 to make sure that there are no signs of external damage, (c) the dimensions of the unit to make sure that they are the same as those that...

  • Page 50: Insulation Resistance Test

    CAUTION: DO NOT APPLY A VOLTAGE OF MORE THAN 50 V FOR THE INSULATION MEASUREMENT. IMPORTANT DAMAGE TO THE PRE1010 CAN OCCUR IF YOU DO NOT OBEY THIS INSTRUCTION. (b) Set the range of the test voltage to 50 V (c) Measure with two probes the insulation resistance between the housing and some pins of the connector.

  • Page 51: Ground Resistance Test

    PNR : PRE1010 Subtask 21-30-50-700-007-A01 H. Ground Resistance Test (1) Reason for the Job (a) The ground resistance test makes sure that the ground circuit of the PRE1010 is not damaged. (2) Test Procedure NOTE: Refer to the Figure 3 of the...

  • Page 52: Power Consumption Test

    PNR : PRE1010 Subtask 21-30-50-700-008-A01 Power Consumption Test (1) Reason for the Job (a) This test makes sure that the current consumption of the PRE1010 energizes with a 28 V voltage obeys the specication. (2) Test Procedure NOTE: Refer to the...

  • Page 53: Surge Protection Tests

    Table 1001. Then make sure that the connections between the test equipment and the connector of the PRE1010 are made as follows : Connect the negative pole of the transil test system to the negative pole of the digital multimeter.

  • Page 54: Pressure Tests At Ambient Temperature

    (1) Reason for the Job (a) These tests make sure that the pressure measurements are correct when the PRE1010 operates within a temperature range of 25°C ± 7°C (77 °F ± 13°F). (2) Setup of the Test Equipment (a) Refer to the Figure 1002 for an illustration of the test equipment.
  • Page 55 Component Maintenance Manual PNR : PRE1010 Install and tigthen the six screws that attach the cover of the pressure chamber to its housing. Torque these six screws with the 6 mm hexagonal key. NOTE: It is not necessary to torque the six screws of the pressure chamber when the pressure measurements are made with pressure conditions lower than the ambient pressure.
  • Page 56 Connect the air supply to the manometer. Adjust the air supply to a pressure of 5 to 6 bar (72.5 to 87 psi). (d) Make sure that the calibration of the PRE1010 is correct. For that, do the sequence of measurements that follow : First, do a measurement at the ambient pressure conditions.
  • Page 57 The AIMS 1 value is in the limits that the Table 1007 gives. Thus, no calibration of the PRE1010 is necessary. Put a mark in the "YES" status column of the ATR for the line "Calibration of the unit". Table 1007...
  • Page 58 Component Maintenance Manual PNR : PRE1010 Table 1008 Voltage Parameters of the AIMS 1 Signal for a Mandatory Calibration of the PRE1010 Voltage [V Pressure [psi] Nominal Min. Max. 0.620 0.480 0.768 4.36 1.930 1.910 1.953 8.29 2.537 2.510 2.560 10.11...

  • Page 59: Differential Pressure Tests At Ambient Temperature

    (1) Reason for the Job (a) These tests make sure that the differential pressure measurements that the PRE1010 operate at the temperature range of 25°C ± 7°C (77 °F ± 13°F) are correct. The AIMS2 signal is the result of the differential pressure measurements.
  • Page 60 Component Maintenance Manual PNR : PRE1010 Make sure that the connector with the label "2" is attached to the negative output of the power supply. Make sure that the connector with the label "5" is attached to the positive output of the channel 2 of the oscilloscope, to the positive output of the rst digital multimeter and to the positive output of the...
  • Page 61 Component Maintenance Manual PNR : PRE1010 The connector with the label "+20 V " is attached to the positive output of the frequency generator. The connector with the label "−20 V " is attached to the negative output of the frequency generator.
  • Page 62 Component Maintenance Manual PNR : PRE1010 (b) Measure the AIMS 2 signal during 30 s on the channel 1 of the oscilloscope. NOTE: It is not possible to measure a linear variation of the cabin pressure with this test equipment for the full pressure range. Thus it is necessary to make sure that the AIMS 2 signal is stable and linear before you measure the AIMS 1 signal for the cabin pressure.
  • Page 63 Component Maintenance Manual PNR : PRE1010 DISASSEMBLY TASK 21-30-50-000-801-A01 1. General Data A. Reason for the Job (1) Self Explanatory B. Tools, Fixtures and Equipment (1) Standard Tools and Equipment NOTE: It is also possible to use an alternative material. But their specication...

  • Page 64: Job Setup

    7000 Subtask 21-30-50-020-001-A01 C. Job Setup CAUTION: DO NOT DISASSEMBLE THE PRE1010 UNLESS YOU ARE AT A SAFEPOST WORKSTATION. REFER TO THE PARAGRAPH C.(2) ABOVE FOR THE INSTRUCTIONS ABOUT A SAFEPOST WORKSTATION. ALL MODULES IN THE PRE-1010 CONTAIN ESDS DEVICES.
  • Page 65 Special Area For Electrical Protection Of Sensitive Transistors (SAFEPOST) workstation. CAUTION: DO NOT DISASSEMBLE THE PRE1010 UNLESS YOU ARE AT A SAFEPOST WORKSTATION. (b) A SAFEPOST workstation must, at the minimum, have the equipment that...
  • Page 66 Component Maintenance Manual PNR : PRE1010 D. DisassemblyProcedures Subtask 21-30-50-020-003-A01 (1) Removal of the Cover Assembly CAUTION: MAKE SURE THAT YOU KEEP THE COVER ASSEMBLY NEAR THE HOUSING. THUS YOU PREVENT DAMAGE TO THE WIRES THAT CONNECT THE SENSOR TO THE PROCESSING MODULE.
  • Page 67 Component Maintenance Manual PNR : PRE1010 Subtask 21-30-50-020-004-A01 (2) Removal of the Processing Module CAUTION: DO NOT CAUSE DAMAGE TO THE WIRES THAT CONNECT THE SENSOR TO THE PROCESSING MODULE WHEN YOU DISASSEMBLE THE PROCESSING MODULE. CAUTION: DO NOT CAUSE DAMAGE TO THE WIRES THAT CONNECT THE PROCESSING MODULE TO THE POWER SUPPLY MODULE WHEN YOU DISASSEMBLE THE PROCESSING MODULE.
  • Page 68 Component Maintenance Manual PNR : PRE1010 Subtask 21-30-50-020-005-A01 (3) Removal of the Power Supply Module CAUTION: DO NOT CAUSE DAMAGE TO THE WIRES THAT CONNECT THE SENSOR TO THE PROCESSING MODULE WHEN YOU DISASSEMBLE THE POWER SUPPLY MODULE. CAUTION: DO NOT CAUSE DAMAGE TO THE WIRES THAT CONNECT THE PROCESSING MODULE TO THE POWER SUPPLY MODULE WHEN YOU DISASSEMBLE THE POWER SUPPLY MODULE.
  • Page 69 Component Maintenance Manual PNR : PRE1010 ICN-213050-F5496-03003-B-00-EPS Position of the Power Supply Module on the Assembly Gauge Figure 3003 Subtask 21-30-50-020-006-A01 (4) Removal of the connector (a) Refer to the paragraph 1.D.(1) to remove the Cover Assembly. (b) Refer to the paragraph 1.D.(2)
  • Page 70 Component Maintenance Manual PNR : PRE1010 Subtask 21-30-50-020-007-A01 (5) Disassembly of the Cover (a) Refer to the paragraph 1.D.(1) to remove the Cover Assembly. (b) Refer to the paragraph 1.D.(2) to remove the Processing Module. (c) Refer to the paragraph 1.D.(3)
  • Page 71 Component Maintenance Manual PNR : PRE1010 CLEANING TASK 21-30-50-100-801-A01 1. Cleaning Procedures A. Reason for the Job Self Explanatory B. Job Setup Information (1) Tools, Fixtures and Equipment NOTE: It is also possible to use an alternative material. But their specication and...
  • Page 72 Component Maintenance Manual PNR : PRE1010 Subtask 21-30-50-110-001-A01 C. Cleaning Metal Parts WARNING: DO NOT BREATHE THE GASES OF THE ISOPROPYL ALCOHOL SOLUTION. DO NOT LET THE SOLUTION TOUCH THE SKIN. IT CAN BE DANGEROUS FOR YOU OR THE PERSONS AROUND YOU IF YOU DO NOT OBEY THESE INSTRUCTIONS.
  • Page 73 Component Maintenance Manual PNR : PRE1010 INSPECTION / CHECK TASK 21-30-50-200-801-A01 1. Check Procedures A. Reason for the Job Self Explanatory B. Job Setup Information (1) Tools, Fixtures and Equipment (a) Not applicable (2) Consumables (a) Not applicable (3) Referenced Information...
  • Page 74 E. Procedures for the External Parts of the PRE1010 (1) Identication of the Unit (a) Make sure that the PRE1010 is the same unit as the one that the Figure 1 DESCRIPTION AND OPERATION section of this manual, page block shows.
  • Page 75 Component Maintenance Manual PNR : PRE1010 (4) Connector CAUTION: DO NOT CAUSE DAMAGE TO THE PINS OF THE MIL–DTL–D38999 CONNECTOR THAT IS ON THE TOP COVER. (a) Visually examine the connector of the Top Cover. Make sure that this connector is not damaged.
  • Page 76 Component Maintenance Manual PNR : PRE1010 THIS PAGE INTENTIONALLY LEFT BLANK INSPECTION / CHECK Page 5004 21-30-50 Mar 26/12...
  • Page 77 (a) Standard Tools and Equipment Refer to each applicable repair procedure for the list of the standard tools and test equipment that are necessary to do the repair of the PRE1010. (b) Special Tools and Test Equipment Refer to each applicable repair procedure for the list of the special tools and test equipment that are necessary to do the repair of the PRE1010.
  • Page 78 Table 6001 Repair Procedures Repair Refer to Calibration Procedure Chapter : Calibration of a PRE1010 at the ambient pressure conditions Damaged Connector Chapter : Repair Procedure for a Damaged Connector Damaged Cover Assembly Chapter : Repair Procedure for a Damaged Top Cover...
  • Page 79 2. Calibration Procedure of a PRE1010 at the Ambient Pressure Conditions A. Reason for the Job (1) It is necessary to do the calibration of the PRE1010 when the AIMS 1 value that is measured during the pressure tests at ambient temperature is not in the correct limits.
  • Page 80 3000, to remove the Top Cover (5). (4) Connect the cable between the PRE1010 and some test items. These three test items are a power supply, a digital multimeter and a 10 kΩ laboratory resistor. Adjust the power supply to 28 V .

  • Page 81: Repair Procedure

    Component Maintenance Manual PNR : PRE1010 (d) Make sure that the connector with the label "6" is attached to the negative output of the digital multimeter and to the negative output of the 10 kΩ laboratory resistor. NOTE: The digital multimeter measures the signal AIMS 1 as the cabin pressure value.

  • Page 82: Assembly

    If the AIMS voltage is not the limits of the Table 1007, it is necessary to do again this calibration procedure. Discard the PRE1010 if it not possible to adjust the position of the two potientometers P1 and P2. REPAIR Page 6006...
  • Page 83 Component Maintenance Manual PNR : PRE1010 Power Supply Multimeter Laboratory Resistor 10 k Potentiometer P2 Potentiometer P1 ICN-253010-F5496-06001-A-00-EPS Position of the Power Supply Module on the Assembly Gauge Figure 6001 REPAIR Page 6007 21-30-50 Mar 26/12...
  • Page 84 Component Maintenance Manual PNR : PRE1010 TASK 21-30-50-350-2-A01 3. Repair Procedure for a Damaged Connector A. Reason for theJob (1) Self Explanatory B. Job Setup Information (1) Tools, Fixtures and Equipment (a) Standard Tools and Equipment NOTE: It is also possible to use an alternative material. But their specication...
  • Page 85 Assembly procedures page block 7000 Subtask 21-30-50-350-4-A01 C. Job Setup CAUTION: DO NOT DISASSEMBLE THE PRE1010 UNLESS YOU ARE AT A SAFEPOST WORKSTATION. THE MODULES IN THE PRE1010 CONTAIN ESDS DEVICES. (1) Refer to the DISASSEMBLY section of this manual, page block 3000, for more data about a SAFEPOST workstation.
  • Page 86 Component Maintenance Manual PNR : PRE1010 Subtask 21-30-50-350-5-A01 D. Repair Procedure (1) Refer to the paragraph 1.D.(4) in the DISASSEMBLY section of this manual, page block 3000, to remove the connector (15). (2) Discard the damaged connector. (3) Install a new connector (15). For that, refer to the paragraph 1.D.(2)

  • Page 87: Reason For Thejob

    Component Maintenance Manual PNR : PRE1010 TASK 21-30-50-350-3-A01 4. Repair Procedure for a Damaged Top Cover Assembly A. Reason for theJob (1) Self Explanatory B. Job Setup Information (1) Tools, Fixtures and Equipment (a) Standard Tools and Equipment NOTE: It is also possible to use an alternative material. But their specication...

  • Page 88: Job Setup

    Assembly procedures page block 7000 Subtask 21-30-50-350-6-A01 C. Job Setup CAUTION: DO NOT DISASSEMBLE THE PRE1010 UNLESS YOU ARE AT A SAFEPOST WORKSTATION. THE MODULES IN THE PRE1010 CONTAIN ESDS DEVICES. (1) Refer to the DISASSEMBLY section of this manual, page block 3000, for more data about a SAFEPOST workstation.
  • Page 89 Component Maintenance Manual PNR : PRE1010 Subtask 21-30-50-350-7-A01 D. Repair Procedure (1) Refer to the paragraph 1.D.(5) in the DISASSEMBLY section of this manual, page block 3000, to remove and disassemble the Top Cover (5). (2) Discard the damaged Top Cover.
  • Page 90 Component Maintenance Manual PNR : PRE1010 THIS PAGE INTENTIONALLY LEFT BLANK REPAIR Page 6014 21-30-50 Mar 26/12...
  • Page 91 Component Maintenance Manual PNR : PRE1010 ASSEMBLY TASK 21-30-50-400-801-A01 1. General Data A. Reason for the Job (1) Self Explanatory B. Tools, Fixtures and Equipment (1) Standard Tools and Equipment NOTE: It is also possible to use an alternative material. But their specication and...
  • Page 92 Component Maintenance Manual PNR : PRE1010 (3) Consumables NOTE: It is also possible to use an alternative material. But their specication and precision must be the same as or better than those of the items of the Table 7003. Table 7003...
  • Page 93 PNR : PRE1010 Subtask 21-30-50-430-001-A01 C. Job Setup CAUTION: DO NOT ASSEMBLE THE PRE1010 UNLESS YOU ARE AT A SAFEPOST WORKSTATION. REFER TO THE PARAGRAPH THE INSTRUCTIONS ABOUT A SAFEPOST WORKSTATION. THE MODULES IN THE PRE1010 CONTAIN ESDS DEVICES. DAMAGE TO THE PRE1010 CAN OCCUR IF YOU DO NOT OBEY THESE INSTRUCTIONS.

  • Page 94: Assembly Of The Cover

    Component Maintenance Manual PNR : PRE1010 Antistatic cushioning material. A relative humidity meter. A tester for the antistatic wrist or heel straps. A conductive chair pad cover that is resistant to electrostatic discharge. D. AssemblyProcedures Subtask 21-30-50-430-003-A01 (1) Assembly of the Cover (a) Install four new spacers (50) to the Cover (5).
  • Page 95 Component Maintenance Manual PNR : PRE1010 (c) Put in position the cover assembly on the Assembly Gauge of the Table 7002 as the Figure 4 shows. (d) Then carefully put in position the Housing (100) and the Processing Module (35) on the Assembly Gauge. At the same time, carefully put in position the Power Supply Module (45) on the cover assembly.

  • Page 96: Installation Of The Processing Module

    Component Maintenance Manual PNR : PRE1010 ICN-213050-F5496-07002-B-00-EPS Position of the Power Supply Module on the Cover Assembly Figure 7002 Subtask 21-30-50-430-006-A01 (4) Installation of the Processing Module CAUTION: DO NOT CAUSE DAMAGE TO THE WIRES THAT CONNECT THE PROCESSING MODULE TO THE POWER SUPPLY MODULE WHEN YOU ASSEMBLE THE POWER SUPPLY MODULE.

  • Page 97: Installation Of The Cover Assembly

    Component Maintenance Manual PNR : PRE1010 Use the torque screwdriver with a at-head bit socket. Then torque each of these four screws (25) to 0.5 N·m (4.3 lb·in). ICN-213050-F5496-07003-B-00-EPS Position of the Processing Module on the Cover Assembly Figure 7003...

  • Page 98: IdentiCation Of The Pre1010

    Component Maintenance Manual PNR : PRE1010 Subtask 21-30-50-430-008-A01 (6) Identication of the PRE1010 (a) Refer to the paragraph 1.D.(1) to do the assembly for the parts of the Cover (50). (b) Refer to the paragraph 1.D.(2) to install the connector (15).

  • Page 99: Special Tools, Fixtures, Equipment And Consumables

    Component Maintenance Manual PNR : PRE1010 SPECIAL TOOLS, FIXTURES, EQUIPMENT AND CONSUMABLES TASK 21-30-50-940-801-A01 1. General Data A. Tools and Materials NOTE: It is also possible to use alternative material. But their specication and precision must be the same as or better than those of the items of the Table 9001.
  • Page 100 Component Maintenance Manual PNR : PRE1010 Table 9001 (Sheet 2 of 2) Tools and Materials Qty Part Number Description Page block Manufacturer where used Specication Assembly Gauge Meggitt (France) To disassemble, DISASSEMBLY repair and section of this assemble the manual, page (VF5496) PRE1010.
  • Page 101 Figure 11001 and the Figure 11002 show the form of the Acceptance Test Report. It is necessary to use this form to record all the results of the Acceptance Test Procedure of the PRE1010. SPECIAL PROCEDURES Page 11001 21-30-50 Mar 26/12...
  • Page 102 Component Maintenance Manual PNR : PRE1010 CMM TEST REPORT AMBIENT PRESSURE SENSOR CMM Test Procedure: ATA 21-30-50 Issue: 0 Date of Issue : Oct 12/11 Specified Value Measured Value Accepted* Customer: Customer Purchase Order: 1001 TESTING AND FAULT ISOLATION Conformity Checks...
  • Page 103 Component Maintenance Manual PNR : PRE1010 CMM TEST REPORT AMBIENT PRESSURE SENSOR CMM Test Procedure: ATA 21-30-50 Issue: 0 Date of Issue : Oct 12/11 Specified Value Measured Value Accepted* Customer: Customer Purchase Order: 1001 TESTING AND FAULT ISOLATION Pressure Test at Ambient Temperature...
  • Page 104 Component Maintenance Manual PNR : PRE1010 THIS PAGE INTENTIONALLY LEFT BLANK SPECIAL PROCEDURES Page 11004 21-30-50 Mar 26/12...
  • Page 105 Subtask 21-30-50-550-002-A01 D. Instructions for a Storage in a Clean Controlled Location (1) Keep the PRE1010 in its initial container. If this or an equivalent container is not available, keep the PRE1010 in a clean, controlled location, such as an instrument workshop.
  • Page 106 ANTISTATIC POLYTHENE BAG TO KEEP THE PRE1010. YOU MAY DAMAGE THE PRE1010 IF YOU DO NOT OBEY THIS INSTRUCTIONS. (3) Or use an antistatic polythene bag to keep the PRE1010. The bag can be metallised or chemically treated. (4) Put the PRE1010 in an applicable polythene bag, with a volume of approximately two times that of the PRE1010.
  • Page 107 Component Maintenance Manual PNR : PRE1010 ILLUSTRATED PARTS LIST TASK 21-30-50-871-801-A00 1. General Data A. Function (1) The illustrated Parts List (IPL) contains the illustrations and the parts list of the unit. The parts list gives the items that can be disassembled, repaired or replaced, and assembled.
  • Page 108 Component Maintenance Manual PNR : PRE1010 (3) “PART NUMBER” Column (a) The part number column contains the Meggitt part number or the specic vendor code. (4) “AIRLINE PART NUMBER” Column (a) This empty column with space for 11 characters is for the use of the operator of the equipment.
  • Page 109 Component Maintenance Manual PNR : PRE1010 (8) The Table 10002 contains the other abbreviations that you can nd in the parts list. Table 10002 Abbreviations and Denitions Term Abbreviation Denition Alternative The part agrees with all functional and structural specications, but the external dimensions, the connection installation, and/or the mounting provisions are different.
  • Page 110 Component Maintenance Manual PNR : PRE1010 VENDOR CODES Vendor Code Vendor Names and Addresses V1M8V0 STRAIN MEASUREMENT DEVICES Inc. 55 Barnes Park Road N Wallingford, CT 06492 U.S.A. VF5496 MEGGITT (France) SAS 8, chemin de l'étang F – 16730 Fléac...
  • Page 111 Component Maintenance Manual PNR : PRE1010 ALPHANUMERIC INDEX AIRLINE PART TOTAL PART NUMBER FIG. ITEM NUNMBER REQUIRED D38999-20FB35AN D3Q1 DDQ1ZE030010 ENINT1LG05 ENMET2LG15 ET2607B30 H2Q1ZE03008 ML076 P940-A30PSI PRE1010 –1 Q1ZE030008 3200-0202 3200-0203 3200-0208 3200-0302-1 3200-0303-1 520-301-80 8599-0730900 –20 8SODTHT4543B966 ILLUSTRATION PARTS LIST...
  • Page 112 Component Maintenance Manual PNR : PRE1010 ICN-213050-F5496-10001-A-00-EPS Ambient Pressure Sensor Figure IPL 1 ILLUSTRATION PARTS LIST Page IPL 10006 21-30-50 Mar 26/12...
  • Page 113 Component Maintenance Manual PNR : PRE1010 AIRLINE UNITS FIG.- PART NUMBER NOMENCLATURE PART ITEM CODE NUMBER ASSY –1 PRE1010 UNIT, AMBIENT PRESSURE SENSOR (VF5496) COVER, 5 3200-0203 • (VF5496) ATTACHING PARTS SCREW, , M3 x 10, STAINLESS 10 DDQ1ZE030010 •...
  • Page 114 Component Maintenance Manual PNR : PRE1010 FIG.- AIRLINE UNITS ITEM PART NUMBER PART NOMENCLATURE CODE NUMBER ASSY WIRE, , FIKZ0404 BLACK 60 ET2607B30 • (MSS-ANG PNR FIKZ04046) (VF5688) −−−−−*−−−−− HOUSING 100 3200-0202 • (VF5496) ATTACHING PARTS SENSOR 105 P940-A30PSI •...

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