Dynojet Compressed Air User Manual

©2007-2010 Dynojet Research, Inc. All Rights Reserved.

Compressed Air Air Fuel Ratio Module Installation and 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 89031, USA.

Printed in USA.

Part Number: 98200006 Version 05 (05/2010)

T

ABLE OF

C

ONTENTS

Chapter 1 Air Fuel Ratio Module and

Compressed Air Pump Installation

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Conventions Used In This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3

Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3

Air Fuel Module Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4

Installing the Air Fuel Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4

Compressed Air Pump Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-8

Compressed Air Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-8

Setting Up the Stand Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-8

Installing the Pump Assembly on the Stand . . . . . . . . . . . . . . . . . . . . . . . .1-9

Connecting the Solenoid Power—i Series Dynos . . . . . . . . . . . . . . . . . . . 1-10

Connecting the Solenoid Power—Non i Series Dynos . . . . . . . . . . . . . . .1-10

Adjusting the Air Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12

Chapter 2 Using the Air Fuel Ratio Module

Module and Pump Set Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2

Sample and View Air Fuel Ratios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3

Sampling Air Fuel Ratios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3

Viewing and Graphing Air/Fuel Runs . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5

Air Pump Maintenance and Troubleshooting . . . . . . . . . . . . . . . . . . . . . . .2-7

Sensor Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-7

Correcting Lean Air Fuel Readings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-7

Pump Maintenance—Stand Alone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-8

Pump Maintenance—On Dyno . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-9

Appendix A On-Board Dyno Installation

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2

Compressed Air Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2

Installing the Pump Assembly on the Dyno . . . . . . . . . . . . . . . . . . . . . . . .A-2

Installing the Air Hose with the Air Brake . . . . . . . . . . . . . . . . . . . . . . . . . .A-4

Adjusting the Air Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-5

Compressed Air Air Fuel Ratio Module Installation and User Guide

i

C HAPTER

1

AIR F

C

OMPRESSED

This document provides instructions for installing and using the Air Fuel Ratio
Module and the Compressed Air Pump Assembly with WinPEP 7. To ensure safety and
accuracy in the procedures, perform the procedures as they are described.

This manual will walk you through installation and set up procedures, sampling and
viewing air fuel ratios, and how to maintain your air pump.

Document Part Number: 98200006

Version 5

Last Updated: 05-18-10

This chapter is divided into the following categories:

•Introduction, page 1-2

• Air Fuel Module Installation, page 1-4

UEL

R

AIR P

ATIO

M

ODULE AND

UMP INSTALLATION

• Compressed Air Pump Assembly, page 1-8

Compressed Air Air Fuel Ratio Module Installation and User Guide

1-1

CHAPTER 1

Introduction

INTRODUCTION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The Air Fuel Ratio Module is designed to accurately sample air fuel ratios from
engines burning petroleum based fuels. Be sure to read and follow all warnings found
throughout this manual.

WARNINGS

The sensor and the copper sample tube are hot. Before touching the sensor or
the sample tube, make sure it has cooled.

Leaded racing fuels and two-stroke applications will contaminate the sensor
and dramatically shorten its service life.

The sensor is not covered by a warranty. Be sure to read and understand the
Compressed Air Air Fuel Ratio Module Installation and User manual.

Before turning the pump on, verify there is no water in the hose.

Warm up the vehicle before placing the copper sample tube in the exhaust to
avoid drawing excess water through the pump assembly.

Keep the air pump assembly upright. Tipping the pump assembly may result in
damage to the sensor.

Leaks in the system will result in erroneous readings. Verify there are no cracks
or holes in the hose. Verify the sensor is seated properly in the sensor block.

To ensure accurate readings, pump maintenance should be performed every
six months, or sooner, depending on usage. Refer to “Pump Maintenance—
Stand Alone” on page 2-8 and “Pump Maintenance—On Dyno” on page 2-9 for
more information.

1-2

Compressed Air Air Fuel Ratio Module Installation and User Guide

AIR FUEL RATIO MODULE AND COMPRESSED AIR PUMP INSTALLATION

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.

Introduction

Bold

!

TECHNICAL SUPPORT

For assistance, please contact Dynojet Technical Support at 1-800-992-3525, or write
to Dynojet at 2191 Mendenhall Drive, North Las Vegas, NV 89031.

Visit us on the World Wide Web at www.dynojet.com and www.winpep.com where
Dynojet provides state of the art technical support, on-line shopping, product images,
and press releases about our latest product line.

Highlights items you can select on in the software
interface, including buttons and menus.

The arrow indicates a menu choice. For example,
“select File
then select the Open choice on the File menu.”

!

Open” means “select the File menu,

Version 5 Compressed Air Air Fuel Ratio Module Installation and User Guide

1-3

CHAPTER 1

Air Fuel Module Installation

AIR FUEL MODULE INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

This section describes installation procedures for the Air Fuel Ratio Module.

INSTALLING THE AIR FUEL MODULE

1 Verify the main dyno power is disconnected.
2 Turn off the main power switch on the CPU Module unplug the power cord.
3 Remove the dust cover from the existing top module.

dust cover

power cord input

power switch

Figure 1-1: Remove the Dust Cover

1-4

Compressed Air Air Fuel Ratio Module Installation and User Guide

AIR FUEL RATIO MODULE AND COMPRESSED AIR PUMP INSTALLATION

Air Fuel Module Installation

4 Loosen the top right screw on the back of the existing top module.
5 Install the Air Fuel Module into the existing top module. Place the dust cover,

removed in step 3, on the Air Fuel Module.

air fuel module

Figure 1-2: Install the Air Fuel Module

Version 5 Compressed Air Air Fuel Ratio Module Installation and User Guide

1-5

CHAPTER 1

Air Fuel Module Installation

6 Secure the grounding strap on the back of the Air Fuel Module to the existing top

module.

7 Secure the Air Fuel Module to the dyno electronics with the plastic tie straps (one

on each side).

grounding strap

plastic tie strap

Figure 1-3: Secure the Grounding Strap

1-6

Compressed Air Air Fuel Ratio Module Installation and User Guide