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barfield 1811D Series User Instruction Manual

Pitot-static test set
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1811D (SERIES)
Corporate Headquarters
4101 Northwest 29th Street
Miami, Florida 33142
www.barfieldinc.com
Email: gsesales@barfieldinc.com
Barfield Inc. Confidential and Proprietary Information.
This document and all the information contained herein is the sole property of Barfield Inc.
No intellectual property rights are granted by the delivery of this document or the disclosure of its content.
This entire document is proprietary information and shall not be reproduced or disclosed to a third party without
the express written consent of Barfield Inc.
This document and its content shall not be used for any purpose other than that for which it is supplied.
www.avionteq.com
PITOT-STATIC TEST SET
USER INSTRUCTION MANUAL
M/N: 1811D, P/N: 101-00164-SERIES
Doc. P/N: 56-101-00164
Revision F
April 19, 2013
____________________________________
BARFIELD, INC.

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  • Page 1 Email: gsesales@barfieldinc.com Barfield Inc. Confidential and Proprietary Information. This document and all the information contained herein is the sole property of Barfield Inc. No intellectual property rights are granted by the delivery of this document or the disclosure of its content.
  • Page 3 Inquiries should include specific questions and reference the publication title, number, chapter, page, figure, paragraph, and effective date. Please send comments to: TECHNICAL CUSTOMER SUPPORT - GSTE BARFIELD, INC. P.O. BOX 025367 MIAMI, FL 33102-5367 Telephone (305) 894-5400...
  • Page 4 OWNER WARRANTY REGISTRATION CARD to Barfield in order to validate the warranty and to ensure that you will receive updated information when published. You MUST have your name and address on file at Barfield as a registered user of this equipment, to be able to obtain the service covered by the warranty.
  • Page 5 FAR 91.411, we feel that the customer should first be aware of all requirements for performing test tests in the field. With this in mind, Barfield stands ready to offer advice and assistance to its customers for accomplishing the required tests.
  • Page 6 1811D INSTRUCTION MANUAL REVISION RECORD REV. ECO # REV. DATE DESCRIPTION OF CHANGE Initial Release. This Instruction Manual replaces Mar / 11 / 2003 TM1811D/E, dated 10/1/82. Updated Company logo. Sections and page 260-00729 Jul / 02 / 2008 numbering were reorganized. A numeric code was added at the end of the 260-00746 Dec / 16 / 2008...
  • Page 7 The manufacturer of this equipment does not recommend the user to attempt any maintenance or repair. In case of malfunction, contact the manufacturer, to obtain the list of approved repair facilities worldwide, ensuring that this equipment will be serviced using proper procedures and certified instruments. BARFIELD PRODUCT SUPPORT DIVISION Shipping Address: Telephone (305) 894-5400 Barfield, Inc.
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  • Page 9: Table Of Contents

    1811D INSTRUCTION MANUAL TABLE OF CONTENTS Contact Information Attention Page Informational Letter Page Revision Record Page Maintenance Information Table of Contents List of Figures and Tables SECTION PAGE INTRODUCTION 1. PUBLICATION BREAKDOWN ................... 1 2. INFORMATION PROVIDED WITH THE UNIT ............1 3.

  • Page 10: Section Page

    1811D INSTRUCTION MANUAL TABLE OF CONTENTS (Continued) SECTION PAGE OPERATION (continued) 7. STATIC SYSTEM TEST .................... 16 8. STATIC LEAK TEST ....................16 9. COMBINED PITOT / STATIC TEST ................19 10. MACHMETER TEST ....................22 11. ENGINE PRESSURE RATIO TEST ................23 12.
  • Page 11 1811D INSTRUCTION MANUAL LIST OF FIGURES AND TABLES SECTION FIGURE / TABLE TITLE PAGE INTRO Identification Label ............... 1 INTRO Limited One Year Warranty ..........3 1811D Pitot-Static Test Set ..........5 Leading Particulars ............6, 7 1811D Operational Schematic Diagram ......11 1811D Plumbing Schematic Diagram .........
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  • Page 13: Introduction

    1811D INSTRUCTION MANUAL INTRODUCTION 1. PUBLICATION BREAKDOWN This instruction manual establishes the operation standards for the 1811D Pitot-Static Test Set. 2. INFORMATION PROVIDED WITH THE UNIT Besides this User Instruction Manual, the 1811D Test Set is provided with the items described below.

  • Page 14: Recertification

    For complete specifications on digital instruments, refer to documents 61-101-02184 and 61-101-02194. It is strongly recommended that the manufacturer, Barfield Inc., service the Test Set. This will ensure that all applicable engineering change orders are incorporated during the required maintenance or recertification processes, which are to be done following Barfield- approved procedures.

  • Page 15: Limited One Year Warranty

    1811D INSTRUCTION MANUAL LIMITED ONE YEAR WARRANTY Figure 2 56-101-00164 Rev. F INTRO Apr / 19 / 13 Page 3 of 38...
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  • Page 17: Description

    SECTION 1: DESCRIPTION 1. GENERAL DESCRIPTION The Barfield 1811D Pitot Static Test Set (Fig. 3), housed in a plastic carrying case, is a portable, self-contained field tester designed to test aircraft pitot and static systems for leaks as well as the operation and calibration of airspeed, altimeter, engine pressure ratio, manifold pressure indicators, and other vacuum or low pressure units.

  • Page 18: Physical Description

    For example, P/N 101-00164-105 is identified as an 1811D tester with a 650 knot airspeed indicator and a 35,000 feet altimeter. (The 1811D is also available with the Barfield DAS650 digital airspeed and DALT55 digital altimeter.) Airspeed Altimeter...
  • Page 19 1811D INSTRUCTION MANUAL ITEM NAME DESCRIPTION FUNCTION Hand Operated Piston PRESSURE PUMP Integral pressure source for all tests Pump Pressure Source PRESSURE VALVE Used to control pressure source Needle Valve Pressure Vent Needle Used to release pressure to ambient PRESSURE VENT Valve atmosphere Crossbleed Needle...
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  • Page 21: Specifications

    18.0 (lbs.) 8.2 (kg) 2. INPUT POWER The 1811D is hand pump operated. No external power is required. However, when the digital instruments (Barfield DAS650 and DALT55) are installed, battery power is required for their operation. 56-101-00164 Rev. F SECTION 2...
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  • Page 23: Operation

    1811D INSTRUCTION MANUAL SECTION 3: OPERATION 1. THEORY OF OPERATION With crossbleed and vent valves closed, the pressure source control needle valve admits pressure from the tank into the system and causes a reaction in both the tester master instrument and the instrument through the pitot connection. The vacuum source control valve, in the same way, controls the vacuum system of the tester.

  • Page 24: Plumbing Schematic Diagram

    1811D INSTRUCTION MANUAL 3. 1811D PLUMBING SCHEMATIC DIAGRAM The following figure shows a rear view of the plumbing line and tee fitting connectors for the 1811D. 1811D PLUMBING SCHEMATIC DIAGRAM Figure 6 4. PRELIMINARY Caution: Do not use unnecessary force to close a Test Set (T/S) valve. New units and units returned to the manufacturer for servicing have been fitted with positive stop spacers on all needle valves to permit the valve to firmly close without damage.

  • Page 25: Pretests

    1811D INSTRUCTION MANUAL 5. PRETESTS 1811D PANEL MOUNTED COMPONENTS Figure 7 A. Pitot Pretest Note: Refer to Figure 7 for panel-mounted components referenced by letters and numbers in parentheses. Close all ports and valves. Pump pressure to 20 psi and vacuum to 20 inHg with PRESSURE pump (#A) and VACUUM pump (#H).
  • Page 26 1811D INSTRUCTION MANUAL B. Static Pretest Open CROSSBLEED valve (#3) fully. Open VACUUM valve (#5) to bring altimeter to 20,000 ft. Close valve and monitor the airspeed for one (1) minute. (Airspeed should not fall more than 2 knots.) Record leak rate. Note: If necessary, pump additional vacuum.

  • Page 27: Pitot System Test

    1811D INSTRUCTION MANUAL 6. PITOT SYSTEM TEST Note: If the aircraft is non-pressurized, the Pitot System and Pitot Leak Tests may be omitted and the Static System Test performed. A. Pitot System Connection Using the specific aircraft plumbing diagram, connect the PRESSURE PORT (#C) to the aircraft pitot system.

  • Page 28: Static System Test

    1811D INSTRUCTION MANUAL 7. STATIC SYSTEM TEST Caution: If an excessive Pitot Leak rate was detected in the previous test, do not continue until aircraft pitot leak is corrected. Note: Refer to Figure 7 for number references. A. Preliminary Using the specific aircraft plumbing schematic as a guide, connect the VACUUM PORT (#F) to the aircraft Static System.
  • Page 29 1811D INSTRUCTION MANUAL A. Leak Test Caution: Do not exceed aircraft vertical speed indicator (VSI) range while performing the following test. Open the VACUUM valve (#5) to produce an altimeter reading of 1,000 ft above the reading noted in test 7. STATIC SYSTEM TEST, paragraph A.(6).
  • Page 30 1811D INSTRUCTION MANUAL C. Negative Altitude Tests If the test to be done requires altitude readings below field elevation (i.e., above ambient pressure), do the following: Open the PRESSURE valve (#1) until the altimeter (#E) reaches the desired test point. Close the PRESSURE valve (#1). Caution: Do not exceed –1000 ft on the altimeter (#E).

  • Page 31: Combined Pitot / Static Test

    1811D INSTRUCTION MANUAL 9. Combined Pitot (Airspeed) / Static (Altitude) Test The following procedure is valid for machmeters, engine pressure ratio indicators, and flight recorders. Caution: Perform the following test in exact order presented. A. Preliminary Perform all steps described in tests 5. PRETESTS, 6. PITOT SYSTEM TEST, 7. STATIC SYSTEM TEST, and 8.
  • Page 32 1811D INSTRUCTION MANUAL C. Above Field Elevation Tests Caution: Perform test in the exact order and method listed. Avoid instrument damage or going above a test point by operating valves gently and going from one test point to the other gradually. Do not exceed the VSI range while doing this test.
  • Page 33 1811D INSTRUCTION MANUAL D. Returning the Pitot / Static Test Set to Ambient Caution: Perform the following test in exact order given. Gently open the CROSSBLEED (#3) valve until AIRSPEED INDICATOR (#D) returns to a normal rest position of 20 to 40 knots. Open valve fully. Monitor the VSI.

  • Page 34: Machmeter Test

    1811D INSTRUCTION MANUAL 10. MACHMETER TEST A. Test Procedure Set an altitude (in feet) as referenced in the following table. Set the corresponding airspeed (in knots). Verify that the MACH value obtained is the same as listed in the table for the settings. (For example, an altitude set to 10k with airspeed of 277 kts would give a MACH reading of .50.) MACH NUMBER Altitude...

  • Page 35: Engine Pressure Ratio Test

    1811D INSTRUCTION MANUAL 11. ENGINE PRESSURE RATIO (EPR) TEST A. Test Procedure Connect the PRESSURE PORT (#C) to the Pt7 (Hi) port of EPR to be tested. Connect the VACUUM PORT (#F) to Pt2 (Lo) port of EPR to be tested. Using the methods described in test 9.

  • Page 36: Low Pressure Test

    1811D INSTRUCTION MANUAL Refer to the following table for the appropriate altitude and inHg manifold pressure readings. ALTITUDE (feet) MANIFOLD PRESSURE (inHg) -985 1,825 2,815 3,835 4,890 10,730 17,905 27,375 Altitude vs. Manifold Pressure Table 3 Note: For test points below field elevation, gradually open PRESSURE (#1) valve; for test points above field elevation, open the VACUUM (#5) valve.

  • Page 37: Airspeed Equivalent For Differential Pressure Table

    1811D INSTRUCTION MANUAL Open the PRESSURE (#1) valve gradually. Set up the desired airspeed value for the equivalent pressure. (Refer to Table 4 below.) Inches Inches Pounds Inches Inches Pounds Airspeed Airspeed Water Mercury Sq. In. Water Mercury Sq. In. 1.000 0.073 0.036...

  • Page 38: Vacuum Test

    1811D INSTRUCTION MANUAL 14. VACUUM TEST Note: The following test uses 0-12 PSI, 0-25 inHg or 1-340 inH 0 ranges. A. Test Procedure (Refer to Table 4 for equivalent airspeed readings.) Connect the VACUUM PORT (#F) to the vacuum unit to be tested. Note: The PRESSURE PORT (#C) is not used.

  • Page 39: Valve Leak Test

    1811D INSTRUCTION MANUAL SECTION 4: VALVE LEAK TEST 1. METERING VALVE ADJUSTMENT PROCEDURE Note: The following procedure is also released as IM150 (dated 7/6/88.) A. VALVE LEAK TEST Caution: Before performing the Valve Leak test, inspect for system or instrument leakage.
  • Page 40 1811D INSTRUCTION MANUAL Fully close the VACUUM VENT (#4) and monitor both AIRSPEED INDICATOR (#D) and ALTIMETER (#E): • If the ALTIMETER moves down scale, the leak is located at the CROSSBLEED valve (#3). • If the ALTIMETER does not move but the airspeed continues to decrease, the leak is located at the PRESSURE VENT valve (#2).

  • Page 41: Resetting Needle Valve Positive Stop

    1811D INSTRUCTION MANUAL 2. RESETTING NEEDLE VALVE POSITIVE STOP Caution: Before performing the Valve Leak Test or Resetting the Needle Valve Positive Stop, inspect the entire system for leaks at locations other than valve seats, i.e., connections, general plumbing and instruments. Positive stop spacers are installed on some models to provide a “positive stop”...
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  • Page 43: Inspection Recommendations

    1811D INSTRUCTION MANUAL SECTION 5: INSPECTION RECOMMENDATIONS 1. REQUIRED INSPECTION The manufacturer recommends that maintenance and lubrications be performed in the following inspection periods: TIME PERIOD INSPECTION REQUIRED Leak Test (Refer to Section 3, tests 6. PITOT SYSTEM TEST, With Each Use and 7.
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  • Page 45: Shipping

    1811D INSTRUCTION MANUAL SECTION 6: SHIPPING Use standard delicate electronic equipment packaging procedure when packing the Test Set for reshipment. To prevent damage from extreme atmospheric changes to the Test Set instruments, it is recommended that the STATIC VENT, CROSSBLEED CONTROL, AND PITOT VENT VALVES be in open position.

  • Page 46: Storage

    1811D INSTRUCTION MANUAL SECTION 7: STORAGE 1. PROCEDURES A. Place a 4-oz bag of desiccant inside the container. A. Close and latch the cover. B. Store in a cool dry place. Note: Should the Test Set become exposed to moisture or very high humidity, dry it as soon as possible and store temporarily in a dehumidified area.

  • Page 47: Appendix (Engineering Specifications)

    1811D INSTRUCTION MANUAL APPENDIX BARFIELD INC. ENGINEERING SPECIFICATIONS Note: For information on compliance with FAR 91-411, refer to Barfield document, 60-101-00150. SECTION 1: ALTIMETER SECTION 2: AIRSPEED INDICATOR SECTION 3: VERTICAL SPEED INDICATOR 56-101-00164 Rev. F APPENDIX Apr / 19 / 13...
  • Page 48 1811D INSTRUCTION MANUAL SECTION 1. ALTIMETER The following engineering specification (Document No 23-338-00001) details the performance requirements of the pressure sensitive altimeters used by Barfield, Inc. to manufacture ground support test equipment. 56-101-00164 Rev. F APPENDIX Apr / 19 / 13...
  • Page 50 Engineering Specification   Barfield, Inc  Title: Altimeter, Ground Support Equipment      4101 NW 29 Street  Miami Florida 33142  Drawing No: 23‐338‐00001  Page 2 of 5    1. Purpose: To specify performance requirements for Pressure Sensitive Altimeters for use in B.I.C. manufactured ground support test equipment. 2. Scope: This PRODUCT STANDARD SPECIFICATION covers two basic types of instruments as...
  • Page 51 Engineering Specification   Barfield, Inc  Title: Altimeter, Ground Support Equipment      4101 NW 29 Street  Miami Florida 33142  Drawing No: 23‐338‐00001  Page 3 of 5    5. Performance Requirements: All units are required to meet the following performance requirements before installation in any ground support test equipment. Case Leak: A pressure equivalent to 18,000 ft. within the case shall not result in leakage exceeding 20 ft ( 100 ft when installed in Test Set ) per minute.
  • Page 52 Engineering Specification   Barfield, Inc  Title: Altimeter, Ground Support Equipment      4101 NW 29 Street  Miami Florida 33142  Drawing No: 23‐338‐00001  Page 4 of 5    the test reading is taken. After the reading has been taken, the pressure shall be further increased at the above rate until atmospheric pressure is reached. The reading of the altimeter at either of the two test points shall not differ from the reading of the altimeter for the corresponding altitude in the scale error test by more than the tolerance specified in the corresponding table.
  • Page 53 Engineering Specification   Barfield, Inc  Title: Altimeter, Ground Support Equipment      4101 NW 29 Street  Miami Florida 33142  Drawing No: 23‐338‐00001  Page 5 of 5    ALTITUDE ALTIMETER ALTITUDE ALTIMETER (FEET) ERROR ± (FEET) ERROR ± -1,000 -1,000 1,000 1,000 1,500 1,500 2,000 2,000 3,000 3,000 4,000 4,000 6,000 6,000 8,000 8,000 10,000 10,000 12,000 12,000 14,000...
  • Page 54 1811D INSTRUCTION MANUAL SECTION 2. AIRSPEED INDICATOR The following engineering specification (Barfield Document No. 23-336-00025) details the performance requirements of the pitot static pressure type airspeed indicators used by Barfield, Inc. to manufacture ground support test equipment. 56-101-00164 Rev. F...
  • Page 56 Engineering Specification   Barfield, Inc  Title: Airspeed, Ground Support Equipment      4101 NW 29 Street  Miami Florida 33142  Drawing No: 23‐336‐00025  Page 2 of 5    1. Purpose: To specify performance requirements for Pitot Static Pressure Type of Airspeed Indicators for use in B.I.C. Manufactured ground support test equipment. 2. Scope: This Product STANDARD SPECIFICATION covers two (2) basic types of airspeed indicators...
  • Page 57 Engineering Specification   Barfield, Inc  Title: Airspeed, Ground Support Equipment      4101 NW 29 Street  Miami Florida 33142  Drawing No: 23‐336‐00025  Page 3 of 5    Vibration: With pressure applied, sufficient to give half scale deflection, the instrument shall be subjected to vibrations of all frequencies within the appropriate ranges specified. Pointer Position: The position of the pointer without any pressure applied shall rest on the lowest airspeed on the dial with the exception of P/N's 336-00001,336-00001R and 336- 00004.
  • Page 58 Engineering Specification   Barfield, Inc  Title: Airspeed, Ground Support Equipment      4101 NW 29 Street  Miami Florida 33142  Drawing No: 23‐336‐00025  Page 4 of 5    P/N 336-00004: READING TOLERANCE READING TOLERANCE (Knots) (Knots) (Knots) (Knots) ± 3.0 ± 4.0 ± 3.0 ± 4.0 ± 3.0 ± 5.0 ± 3.0 ± 5.0 ± 3.0 ± 5.0 ± 3.0 ±...
  • Page 59 Engineering Specification   Barfield, Inc  Title: Airspeed, Ground Support Equipment      4101 NW 29 Street  Miami Florida 33142  Drawing No: 23‐336‐00025  Page 5 of 5    P/N 336-00006: READING TOLERANCE READING TOLERANCE (Knots) (Knots) (Knots) (Knots) ± 5.0 ± 4.0 ± 5.0 ± 4.0 ± 3.5 ± 4.0 ± 3.0 ± 4.0 ± 3.0 ± 4.0 ± 3.0 ±...
  • Page 60 1811D INSTRUCTION MANUAL SECTION 3. VERTICAL SPEED INDICATOR The following engineering specification (Document 23-337-00025) details performance requirements of the pressure actuated vertical speed indicators used by Barfield, Inc. to manufacture ground support test equipment. 56-101-00164 Rev. F APPENDIX Apr / 19 / 13...
  • Page 62 Engineering Specification Barfield, Inc  Title: Vertical Speed Indicator, Ground Support  4101 NW 29 Street  Equipment      Miami Florida 33142  Drawing No: 23‐337‐00025  Page 2 of 4    1. Purpose: To specify performance requirements for pressure actuated vertical speed indicators for use in B.I.C. manufactured ground support test equipment. 2. Scope: This engineering specification covers four (4) basic types of direct indicating instruments as...
  • Page 63 Engineering Specification Barfield, Inc  Title: Vertical Speed Indicator, Ground Support  4101 NW 29 Street  Equipment      Miami Florida 33142  Drawing No: 23‐337‐00025  Page 3 of 4    Friction: A test shall be performed to ascertain friction. In the time intervals at which the lag time is measured, the pointer shall move smoothly towards zero (while no vibration is...
  • Page 64 Engineering Specification Barfield, Inc  Title: Vertical Speed Indicator, Ground Support  4101 NW 29 Street  Equipment      Miami Florida 33142  Drawing No: 23‐337‐00025  Page 4 of 4    TABLE 1 SCALE ERROR TOLERANCE TYPES I AND II (Ranges: 0-2,000 and 0-3,000 feet per minute) Test Rate Ascent and Descent Tolerance Feet Per Minute Feet Per Minute 1,000 1,500** 2,000...

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