©2004 Dynojet Research, Inc. All Rights Reserved.
Flow Meter User Guide
This manual is copyrighted by Dynojet Research, Inc., hereafter referred to as Dynojet,
and all rights are reserved. This manual, as well as the software described in it, is
furnished under license and may only be used or copied in accordance with the terms of
such license. This manual is furnished for informational use only, is subject to change
without notice, and should not be construed as a commitment by Dynojet. Dynojet
assumes no responsibility or liability for any error or inaccuracies that may appear in this
manual. Except as permitted by such license, no part of this manual may be reproduced,
stored in a retrieval system, or transmitted, in any form or by any means, electronic,
mechanical, recording, or otherwise, without the prior written permission of Dynojet.
The Dynojet logo is a trademark of Dynojet Research, Inc.
Any trademarks, trade names, service marks, or service names owned or registered by any
other company and used in this guide are the property of their respective companies.
Dynojet Research, Inc., 2191 Mendenhall Drive, North Las Vegas, Nevada 89081, USA.
Printed in USA.
Part Number: 98129104 Version 01 (12/04)
T
ABLE OF
C
ONTENTS
Flow Meter Testing
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Conventions Used In This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Flow Meter Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Assembling the Flow Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Flow Meter Test Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Removing the Pump Head Service Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Checking Test Point One—Overall System Flow . . . . . . . . . . . . . . . . . . . . . . . 7
Checking Test Point Two—Filter Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Checking Test Point Three—Pump Inlet Port, Sensor Side . . . . . . . . . . . . . . . 10
Checking Test Point Four—Left Outflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Checking Test Point Five—Right Outflow . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Interpreting Your Flow Meter Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Replacing the Pump Head Service Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Data Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Flow Meter User Guide
i
F
LOW
M
ETER
T
ESTING
This document provides instructions for performing flow meter tests on your
air/fuel ratio pump (air pump). To ensure safety and accuracy in the procedures,
perform the procedures as they are described.
Document Part Number: 98129104
Vers ion 1
Last Updated: 12-30-04
Flow Meter User Guide
1
FLOW METER
Introduction
INTRODUCTION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flow Meter testing is a valuable troubleshooting tool. Testing with the flow meter will
help you determine if you need to rebuild the air pump. Be sure to read and follow all
warnings found throughout this manual.
For more detailed information on the air pump, refer to the Air Fuel Ratio Module
Installation and User Guide (P/N 98295110).
WARNINGS
The sensor and the copper sample tube are hot. Before touching the sensor or
the sample tube, make sure it has cooled.
The sensor is not covered by a warranty. Be sure to read and understand the Air
Fuel Ratio Module Installation and User manual.
CONVENTIONS USED IN THIS MANUAL
The conventions used in this manual are designed to protect both the user and the
equipment.
example of convention description
The Caution icon indicates a potential hazard to the
dynamometer equipment. Follow all procedures
exactly as they are described and use care when
performing all procedures.
The Warning icon indicates potential harm to the
person performing a procedure and/or the
dynamometer equipment.
TECHNICAL SUPPORT
For assistance, please contact Dynojet Technical Support at 1-800-992-3525, or write
to Dynojet Research at 2191 Mendenhall Drive, North Las Vegas, NV 89081.
Visit us on the World Wide Web at www.dynojet.com where Dynojet provides state of
the art technical support, on-line shopping, 3D visualizations, and press releases
about our latest product line.
2
Flow Meter User Guide
FLOW METER TESTING
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
This section describes the five test point procedures using the flow meter to test the
air pump.
• Test Point One—Overall System Flow, page 7
• Test Point Two—Filter Flow, page 8
• Test Point Three—Pump Inlet Port, Sensor Side, page 10
• Test Point Four—Left Outflow, page 12
• Test Point Five—Right Outflow, page 13
top port
USER GUIDE
Flow Meter Testing
plug
bottom port
liters/minute
Figure 1: Flow Meter
Vers ion 1 Flow Meter User Guide
3
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