Harbor Freight Tools Air Compressor 92699 User Manual

®
FUEL INJECTION TEST KIT  
92699  
ASSEMBLY AND OPERATING INSTRUCTIONS  
3491 Mission Oaks Blvd., Camarillo, CA 93011  
Copyright © 2005 by Harbor Freight Tools®. All rights reserved. No portion of this  
manual or any artwork contained herein may be reproduced in any shape or form  
without the express written consent of Harbor Freight Tools.  
For technical questions and replacement parts, please call 1-800-444-3353  
 
9. Maintain tools with care. Keep tools sharp and clean for better and safer  
performance. Follow instructions for lubricating and changing accessories.  
Inspect tool cords periodically and, if damaged, have them repaired by an  
authorized technician.The handles must be kept clean, dry, and free from oil  
and grease at all times.  
10. Remove adjusting keys and wrenches. Check that keys and adjusting  
wrenches are removed from the tool or engine work surface before operating.  
11. Stay alert. Watch what you are doing, use common sense. Do not operate  
any tool when you are tired.  
12. Check for damaged parts. Before using any tool, any part that appears  
damaged should be carefully checked to determine that it will operate  
properly and perform its intended function. Check for alignment and binding  
of moving parts; any broken parts or mounting fixtures; and any other  
condition that may affect proper operation. Any part that is damaged should  
be properly repaired or replaced by a qualified technician.  
13. Replacement parts and accessories. When servicing, use only identical  
replacement parts. Use of any other parts will void the warranty. Only use  
accessories intended for use with this tool. Approved accessories are  
available from Harbor Freight Tools.  
14. Do not operate tool if under the influence of alcohol or drugs. Read  
warning labels if taking prescription medicine to determine if your judgment or  
reflexes are impaired while taking drugs. If there is any doubt, do not operate  
the tool.  
15. Avoid working alone. If an accident happens, an assistant can bring help.  
Additional Product Specific Safety Precautions  
1. Do not use Fuel Injection Test Kit on diesel engines.  
2. Loosen gas cap and relieve fuel pump pressure before testing.  
3. Before testing fuel system, verify all connections are tight to eliminate  
leaking.  
4. Do not change fittings with engine running.  
5. Gasoline is highly flammable. Do not smoke, or test near open flames or a  
source of electrical sparks.  
6. Do not allow gasoline to come in contact with the hot manifolds or other  
engine components.  
7. Do not drive the vehicle while under test.  
8. If portable lighting is required, use only explosion proof drop-light.  
SKU 92699  
For technical questions, please call 1-800-444-3353  
 
Page 3  
9. Before testing, review and follow instructions from the vehicle manufacturer’s  
service manual.  
10. After testing, turn engine off and depressurize system before removing test  
components. Place absorbing cloths around fittings before disconnecting.  
Wipe up any spilled fuel. Place cloths in a fireproof container.  
11. Clean all testing components of residual fuel before storing.  
Warnings  
The vehicle engine must never be started in a closed garage, or any other  
sealed structure. Carbon monoxide is produced during operation and is deadly  
in a closed environment. Early signs of carbon monoxide poisoning resemble  
the flu, with headaches, dizziness, or nausea. If you have any of these signs  
get fresh air immediately.  
The warnings, cautions, and instructions discussed in this instruction manual  
cannot cover all possible conditions and situations that may occur. It must be  
understood by the operator that common sense and caution are factors which  
cannot be built into this product, but must be supplied by the operator.  
The brass components of this product contain lead, a chemical known to the  
State of California to cause birth defects (or other reproductive harm). (Cali-  
fornia Health & Safety Code 25249.5 et seq.)  
Unpacking  
When unpacking, check to make sure the following parts are included. Refer to the  
Parts List and Drawing at the end of this manual. If any parts are missing or  
broken, please call Harbor Freight Tools at the number on the cover of this manual.  
Operation  
Caution: Before making connections and testing, place a dry chemical (Class  
B) fire extinguisher nearby.  
The components in this Fuel Injection Test Kit enable the testing of the fuel deliv-  
ery pressure to the engine. Pressure Gauge (1) connections are made either  
directly to the pump, or in-line with the pump and engine.  
1. Relieve the fuel line pressure from the vehicle fuel system.  
Refer to the vehicle manufacturer’s service manual for instruction on relieving  
pressure from the fuel line, testing procedures and connection points, and  
normal pressure readings.  
2. Use the various fittings and hoses to connect the Pressure Gauge (1) directly  
to the fuel pump, as in the case of the VW®, or in-line with the fuel pump and  
engine for most other vehicles. See connection examples on the next page.  
SKU 92699  
For technical questions, please call 1-800-444-3353  
 
Page 4  
Use a small amount of pipe compound or teflon tape on the connection  
threads to prevent leaks. Tighten using a wrench (not supplied).  
Caution: Make sure all connections are tight to avoid fuel leaks.  
3. Start the engine and immediately check for fuel leaks. If fuel leaks are found,  
turn engine off and fix leaks.  
4. Read the pressure off the Pressure Gauge (1).  
5. Turn off the engine and remove the keys from the ignition.  
6. Wrap a cloth around the hose connection point before relieving the pressure  
from the fuel line, and remove testing components.  
7. Reconnect vehicle’s fuel injection line.  
8. Wipe up any spilled fuel. Dispose of fuel-soaked rags in a fireproof container.  
9. Start the engine and check for leaks. Fix leaks if found.  
10. Clean and store Fuel Injection Test Kit components and place in the plastic kit  
bag.  
Typical Hookup  
1/4” Hose (5)  
to Fuel Pump  
3/8” Hose (6)  
to Fuel Pump  
Fuel Line  
From Engine  
Fuel Line  
From Engine  
VW® Hookup  
1/4” Hose (5)  
Connect Directly to  
Special Test Outlet on  
Engine  
Pressure Gauge (1)  
Fitting (3)  
Screw on Female Swivel  
Coupling to Engine Test  
Fitting  
Fitting (2)  
Cadillac® - Bendix®  
Type Hookup  
Flex Hose (9)  
SKU 92699  
For technical questions, please call 1-800-444-3353  
 
Page 5  
Parts List  
Item  
1.  
Description  
Pressure Gauge  
Qty  
1
2.  
3.  
4.  
Fitting, brass, 1/8”- 27 NPT x 1/4”-18NPT  
Fitting, brass, 1/4” Barbed x 1/4”-18NPT  
Fitting, aluminum, 1/4” & 3/8” Barbed x  
1/8”-24 NPT  
1
1
1
5.  
6.  
7.  
8.  
9.  
10.  
Hose, rubber, 1/4” x 2.5” (L)  
Hose, rubber, 3/8” x 3.0” (L)  
Flex Hose, short  
Flex Hose, medium  
Flex Hose, long  
1
1
1
1
1
2
Clamp, Rubber Hose  
Parts Assembly  
(1)  
(6)  
(5)  
(3)  
(2)  
(8)  
(7)  
(4)  
(9)  
NOTE: Some parts are listed and shown for illustration purposes only  
and are not available individually as replacement parts.  
PLEASE READ THE FOLLOWING CAREFULLY  
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM  
IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER  
NOR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO  
THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE  
PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE  
PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY  
STATES THat ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN  
BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER. THE BUYER  
ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE  
ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS  
OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.  
SKU 92699  
For technical questions, please call 1-800-444-3353  
 
Page 6  
ADDENDUM A  
EXAMPLES OF FUEL INJECTION FUEL PUMP PRESSURES  
Note: Always read the vehicle’s factory service manual to determine  
the actual Fuel Injection Fuel Pump pressure. The chart below is meant  
to be only a guideline for pump pressure.  
U.S. Built Vehicles  
Cadillac - EFI  
Cadillac - DEFI  
Imperial  
Pump Pressure  
37.5 to 41 PSI  
9 to 12 PSI  
8 PSI  
Lincoln & Versilles  
30 to 40 PSI  
Foreign Built Vehicles  
Pump Pressure  
16 to 18 PSI  
28 to 36 PSI  
36 PSI  
Alfa Romeo  
Alliance (49 states) Bendix Type  
Alliance (California only) L-Jetronic  
Audi-Fox  
BMW  
Datsun  
Fiat  
Jaguar  
Mercedes Benz  
Porsche  
Renault 17TS  
Saab  
66.8 to 75.3 PSI  
21.7 to 40 PSI  
28 to 43 PSI  
28 to 30 PSI  
28 to 30 PSI  
29 to 30 PSI  
28.4 PSI  
35 PSI  
27 PSI  
Volkswagen  
Volvo  
28 PSI  
28 PSI  
SKU 92699  
For technical questions, please call 1-800-444-3353  
 
Page 7  

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