Harbor Freight Tools Soldering Gun 94903 User Manual

Soldering iron  
Torch KiT  
Model 94903  
SeT up And operATing inSTrucTionS  
Diagrams within this manual may not be drawn proportionally.  
Due to continuing improvements, actual product may differ slightly from the product described herein.  
distributed exclusively by harbor Freight Tools®.  
3491 Mission Oaks Blvd., Camarillo, CA 93011  
Visit our website at: http://www.harborfreight.com  
read this material before using this product.  
Failure to do so can result in serious injury.  
SAVe ThiS MAnuAl.  
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 or replacement parts, please call 1-800-444-3353.  
cover revised 07j  
 
9.  
do not overreach. Keep proper footing and balance at all times. Do not reach over  
or across running machines.  
10.  
Maintain tools with care. Keep tools maintained and clean for better and safer  
performance. The handles must be kept clean, dry, and free from oil and grease at  
all times.  
11.  
12.  
13.  
Avoid unintentional starting. Be sure the switch is in the Off position when not in  
use. Do not carry any tool with your finger on the start switch.  
Stay alert. Watch what you are doing, use common sense. Do not operate any tool  
when you are tired.  
Take caution as some woods contain preservatives such as copper chromium  
arsenate (ccA) which can be toxic. Some metals and other materials can be toxic  
when burned. When cutting or burning these materials extra care should be taken to  
avoid inhalation and minimize skin contact.  
14.  
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. Do not use the tool if any switch does not turn On and Off properly.  
15.  
guard against burns. This tool and your work materials will become very hot when  
in use. Prevent body contact with hot surfaces by using safety equipment such as  
gloves. Provide for cooling trays for tools and work materials.  
16.  
17.  
replacement parts and accessories. When servicing, use only accessories  
intended for this tool.  
Do not operate tool if under the influence of alcohol or drugs. Read warning  
labels on prescriptions to determine if your judgment or reflexes are impaired while  
taking drugs. If there is any doubt, do not operate the tool.  
18.  
19.  
Maintenance. For your safety, service and maintenance should be performed regu-  
larly by a qualified technician.  
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.)  
20.  
WArning: The warnings, cautions, and instructions discussed in this instruc-  
tion 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.  
SKU 94903 For technical questions please call 1-800-444-3353  
Page 3  
 
unpAcKing  
When unpacking, check to make sure that all accessories listed below are included,  
and that the product is intact and undamaged. If any parts are missing or broken, please  
call Harbor Freight Tools at: 1-800-444-3353.  
Storage Case  
Adapter Lock Nut  
Pencil Torch  
Cut-Pointed Tip  
0.6 oz. Lead  
Free Solder  
Torch Adapter  
Pointed Tip  
Poly Cap  
Slant Cut Tip  
Rounded Tip  
Hot Knife Tip  
Sponge  
Note:No replacement parts are available for this tool. However, Harbor Freight  
Tools offers a broad selection of solder, soldering tips, holding devices, etc.  
which may be used with this tool.  
SKU 94903 For technical questions please call 1-800-444-3353  
Page 4  
 
operATion  
igniting and extinguishing The Torch:  
1.  
To ignite the torch push the Gas “On/Off” Switch forward towards the tip until the  
Gas “On” Lock button pops out. This will lock the Gas “On/Off” switch in the “On”  
position.  
2.  
3.  
Next push the “Piezo Igniter” button forward repeatedly until the torch is lit.  
To turn off the torch, push the Gas “On” Lock button. By doing this the Gas “On/Off “  
switch will slide to the off position and extinguish the flame. If the flame continues to  
burn, press the “Flame Off Button”.  
4.  
Allow the tool to cool down before setting it down. Only set the tool down after the  
stand has been opened. See page 7 for instructions regarding this.  
WARNING: never leave the tool unattended while in operation or while hot. Serious  
personal injury and risk of fire may result.  
Piezo Igniter  
Soldering Iron Adapter  
Adapter Lock Nut  
Soldering Iron Stand  
Gas “ON” Lock Switch  
Gas “ON” Lock Button  
Setting up the Soldering iron:  
1.  
The Torch comes with the “Soldering Iron Adapter” already installed. It is the longer  
of the two adapters and has a threaded end that receives the soldering tips.  
2.  
If you do need to install “Soldering Iron Adapter”, first remove the “Adapter Lock  
Nut” then slide the “Soldering Iron Adapter” over the ceramic insulator, then thread  
on the “Adapter Lock Nut”.  
3.  
Pick the desired tip from the kit and screw it onto the end of the “Soldering Iron  
Adapter”.  
REV 07j  
SKU 94903 For technical questions please call 1-800-444-3353  
Page 5  
 
Flame Adjustment:  
To adjust the flame, move the “Flame Adjustment Lever”, located under the torch,  
toward the “+” to increase the flame or toward the “-” to reduce the flame. See the  
photo below.  
continuous Flame:  
1.  
To keep the flame locked on, push in the Gas “ON” Lock Button during ignition to  
activate the Continuous Flame Mechanism.  
2.  
To turn OFF the flame, push the Continuous Flame Switch forward. The Lock Button  
will pop out. Press the Flame OFF button.  
using The Torch as A hot Blower:  
1.  
To use the tool as a Hot Blower first remove the soldering tip and sleeve assembly  
by rotating them counterclockwise. With no soldering tip attached, the tool can be  
used as a Hot Blower.  
2.  
Operate the tool as discussed on page 5, “Igniting and extinguishing the Torch”. Hot  
air, but no flame will be blown from the tip of the tool. The picture below shows what  
the tool should look like when you use it as a Hot Blower.  
Flame Adjustment Lever  
WARNING: The hot air blowing from the tip of the tool will not be visible as flame,  
but can cause severe burns. Be extremely cautious; do not cause injury to  
yourself or others and do not point the blower at any person, animal or flam-  
mable object.  
using The pencil Torch Feature:  
1.  
To use the pencil torch feature first remove the “ Adapter Lock Nut” and the “Solder-  
ing Iron Adapter”. See page 5.  
2.  
Next install the “Torch Adapter” by sliding it over the ceramic insulator. Then rein-  
stall the “Adapter nut”.  
SKU 94903 For technical questions please call 1-800-444-3353  
Page 6  
 
using The Soldering iron Stand:  
Soldering Iron Stand  
The torch comes with a stand that can be pulled out to allow you to rest it on a flat  
surface. See photo below.  
MAinTenAnce  
Refilling the Butane Canister:  
WARNING: Do not use any other fuel other than butane which is specifically de-  
signed for this type of torch. use of any other fuel may result in severe per-  
sonal injury.  
1.  
2.  
3.  
4.  
5.  
Be sure the tool is turned off and is cool.  
Hold the tool in an upside down position, with the end of the handle facing up.  
Insert and press down the filling tip of the butane canister.  
Stop refilling once the butane starts to overflow.  
Allow the refilled tool to stabilize for a few minutes before resuming work.  
cleaning and Storing  
1.  
2.  
The tip should be cleaned periodically during use with a damp sponge.  
After use, allow the torch and all accessories to cool down to room temperature  
before maintenance.  
3.  
4.  
5.  
Wipe the tool down with a damp cloth to remove any grease, flux or dirt.  
Be sure the Gas “ON/OFF” Switch Lock Button is in the OFF position.  
Store the tool and its accessories in the Storage Case provided.  
REV 07j  
SKU 94903 For technical questions please call 1-800-444-3353  
Page 7  
 
Soldering hinTS  
The soldering process bonds two metal objects together using a metallic bonding  
material (solder) which has a lower melting point than the items being joined. Sol-  
dering is not appropriate for non-metallic objects such as plastic or wood.  
1.  
2.  
3.  
Check to be sure the objects being joined will not be damaged by the heat of solder-  
ing. This tool generates a temperature of 500° F. Test a scrap piece or inconspicu-  
ous area of your work piece with the soldering torch before proceeding.  
Be sure the surfaces being soldered are clean before beginning. If necessary, use  
a soldering flux (not included) for cleaning. Apply the flux to the parts being joined,  
and heat the parts until the flux burns away.  
Heat the parts being joined with the soldering tool, not the solder. Once the parts  
being joined are sufficiently heated, touch the solder to the workpieces. The solder  
will melt and adhere to the workpieces. Remove the soldering tip from the work-  
pieces, and hold the pieces together until they have cooled enough for the solder to  
solidify.  
4.  
Solder will “follow the heat”. Once a workpiece is sufficiently hot to melt the solder,  
the solder can be dragged along the workpiece by moving the soldering tip. The  
solder will follow the heat. This technique is helpful when soldering joints, such as a  
tube in a coupling. By applying solder to the edge of the coupling and then moving  
the soldering tip away from the edge, solder can be dragged into a concealed joint  
as it follows the heat.  
5.  
6.  
7.  
LEAD WARNING: Some solders contain lead and some do not. The solder supplied  
with this kit does not contain lead. Be extremely careful not to breathe vapors from  
any solder, especially ones containing lead. Lead is a heavy metal which can ac-  
cumulate in the body and may cause serious health problems.  
Solder is available in various types. Some solders have a flux core and some do  
not. Flux core solders contain flux and reduce the need to clean the workpieces  
before joining. Solid core solders do not contain flux, and require careful cleaning of  
the work material, and application of flux for additional cleaning.  
Solder is available in various melting points. The heat range of solder may be ex-  
pressed in temperature, or may be expressed as “easy,” “medium” or “hard”. When  
making several solder joints on a single workpiece, you may use a mix of solder  
temperatures. Easy solder will melt before medium, and hard will melt last. This can  
allow you to sequentially assembly or disassemble various parts of an item, such as  
jewelry.  
SKU 94903 For technical questions please call 1-800-444-3353  
Page ꢁ  
 

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