Harbor Freight Three Trumpet 12V Air Horn Set With Compressor Product Manual 94862 Horns

Manual for the 94862 Three Trumpet 12 Volt Air Horn Set With Compressor 94862 Three Trumpet 12 Volt Air Horn Set With Compressor

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12 VDC AIR HORNS

WITH COMPRESSOR

ASSEMBLY AND OPERATING INSTRUCTIONS

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit our Web site at http://www.harborfreight.com

Copyright © 2006 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

94862

Due to continuing improvements, actual product may

differ slightly from the product described herein.

SKU 94862 For technical questions, please call 1-800-444-3353 Page 2

Specifications

Item Description

Power Requirement 12 VDC, 10 watts, 8 ohms

Horn Sizes Bell mouth: 3” and 2-7/8”; Length: 5-3/4”, 6-

3/8” and 8-1/2”

Horn Material Plastic, Red; Brass diaphragm

Sound 135 dB, high/low blast; Tones: high, medium,

low, and music

Air Source Compressor, electric (supplied)

Wire 14-16 AWG auto wire

Weight 2.95 lbs.

Save This Manual

You will need the manual for the safety warnings and precautions, assembly

instructions, operating and maintenance procedures, parts list and diagram. Keep

your invoice with this manual. Write the invoice number on the inside of the front

cover. Keep the manual and invoice in a safe and dry place for future reference.

Safety Warnings and Precautions

WARNING: When using tool, basic safety precautions should always be fol-

lowed to reduce the risk of personal injury and damage to equipment.

Read all instructions before using this tool!

1. Keep work area clean. Cluttered areas invite injuries.

2. Observe work area conditions. Do not use machines or power tools in

damp or wet locations. Don’t expose to rain. Keep work area well lighted.

Do not use electrically powered tools in the presence of flammable gases or

liquids.

3. Keep children away. Children must never be allowed in the work area. Do

not let them handle machines, tools, or extension cords.

4. Use the right product for the job. There are certain applications for which

this product was designed. It will do the job better and more safely at the rate

for which it was intended. Do not modify this product and do not use for a

purpose for which it was not intended.

5. Dress properly. Do not wear loose clothing or jewelry as they can be caught

in moving parts. Protective, electrically non-conductive clothes and non-skid

footwear are recommended when working. Wear restrictive hair covering to

contain long hair.

6. Do not overreach. Keep proper footing and balance at all times. Do not

reach over or across running machines.

SKU 94862 For technical questions, please call 1-800-444-3353 Page 3

7. Check for damaged parts. Before using this product, any part that appears

damaged should be carefully checked to determine that it will operate

properly and perform its intended function. Check for any other condition that

may affect proper operation. Any part that is damaged should be properly

repaired or replaced by a qualified technician. Do not use the product if the

switch does not turn On and Off properly.

8. 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 product. Approved accessories are

available from Harbor Freight Tools.

9. 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

this product.

Note: Performance of this tool may vary depending on variations in battery power.

Product Specific Safety Precautions

Warning: The brass components of this product contain lead, a chemical known

to the State of California to cause birth defects (or other reproductive harm).

(California Health & Safety Code 25249.5 et seq.)

1. During installation, remove ignition keys from the vehicle and set the parking

brake.

2. Only connect the positive (+) hot lead to a fused terminal or circuit.

3. Avoid short circuits or burns. Do not wear rings, watches, or other metallic

objects around your hands and arms.

Warning: 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.

Unpacking

When unpacking, check to make sure the following parts are included. Refer to the

Parts List and Parts Photo 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.

Warning: People with pacemakers should consult their physician(s) before using

this product. Electromagnetic fields in close proximity to a heart pacemaker could

cause interference to or failure of the pacemaker.

SKU 94862 For technical questions, please call 1-800-444-3353 Page 4

Installation

Caution: If you are not familiar with working around vehicle engine

compartments, the installation should be completed by a qualified technician.

Before attempting installation of the Air Horns, remove the keys from the vehicle

ignition, set the emergency brake, and place wheel chocks.

1. Lift the vehicle hood and find a suitable location to mount the Horns and

Compressor.

This location must shelter the Compressor (4) and Horns (1, 2, and 3) from

incoming rain, road water, and mud from under the vehicle. It also must be

away from all moving engine parts and heat.

2. Using a Bolt and Nut (9), mount the Compressor (4) to the vehicle chassis in

a vertical position (air outlets facing up). See illustration middle-right.

A hole may need to be drilled in the chassis frame to accomplish this.

Always be careful that no electrical wires or cables are in the drilling path.

The head of the Bolt slides into the Compressor mounting bracket. Securely

tighten Nut.

3. Mount the Horns near the Compressor so that they are pointing forward and

slightly downward for maximum efficiency. The head of the Bolt slides into the

Horn mounting bracket. Securely tighten Nut. See illustration middle-left.

4. Mount the Electric Relay (6) to the chassis frame near the Compressor using

a Bolt and Nut. Securely tighten.

5. Connect the Compressor to the Horns using the rubber Tubing (5) and the

Y-Connector (8). Cut the rubber tubing to the desired length. Do not fold or

kink tubing. See illustration below.

Compressor

MountingHorn Mounting

SKU 94862 For technical questions, please call 1-800-444-3353 Page 5

6. Make the connections to the Compressor (4) and the Electric Relay (6) as

shown on the wiring diagram below.

Always use vehicle terminal type connectors (not supplied) on all connections.

Never wrap wires around terminals as they could fall off. Connect terminal #30 on

the Electric Relay (6) to a 30A fused circuit.

Note: Some vehicles may employ a positive ground system. If this is the case, refer

to the wiring diagram above-left. Pay attention to polarity. If the Compressor turns on

and the Horns do not sound, reverse the Compressor connections (+ / -).

7. The Air Horns will now sound when the vehicle horn is pushed.

Maintenance

1. Periodically add a few drops of light oil to each air outlet of the Compressor.

First remove air outlet tubes. Energize the Compressor. Excess oil will be

blown out. Wear ANSI approved safety glasses for this process.

2. Periodically check the Air Horn, Relay, and Compressor hardware for

tightness. Also check for secure wire connections.

Wiring Diagrams

Compressor (4)

Horns (1, 2, and 3)

Tubing (5)

Y-Connector (8)

SKU 94862 For technical questions, please call 1-800-444-3353 Page 6

Parts List

Item Description Qty

1 Horn, Large 1

2 Horn, Medium 1

3 Horn, Small 2

4 Compressor 1

5 Tubing 1

6 Relay 1

7Switch 1

8 Y-Connector, Tubing 1

9 Hardware, Nuts and Bolts 4

10 Separator, Mounting 3

Parts Photo

(1)

(2)

(3) (4)

(5)

(7)

(8)

(6)

(10)

(9)

(9) (9)

NOTE: Some parts are listed and shown for illustration purposes only and are not

available individually as replacement parts.

SKU 94862 For technical questions, please call 1-800-444-3353 Page 7

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.