Ryobi Heat Gun HG300 User Guide

OPERATOR’S MANUAL  
HEAT GUN  
DOUBLE INSULATED  
HG300  
Your heat gun has been engineered and manufactured to Ryobi’s high standard for dependability, ease of operation, and  
operator safety. When properly cared for, it will give you years of rugged, trouble-free performance.  
WARNING: To reduce the risk of injury, the user must read and understand the operator’s manual before using  
this product.  
Thank you for buying a Ryobi product.  
SAVE THIS MANUAL FOR FUTURE REFERENCE  
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IMPORTANT SAFETY INSTRUCTIONS  
n
Avoid accidental starting. Be sure switch is off  
WARNING:  
before plugging in. Carrying tools with your finger on  
the switch or plugging in tools that have the switch on  
invites accidents.  
Read and understand all instructions. Failure to follow  
all instructions listed below may result in electric shock,  
fire, and/or serious personal injury.  
nRemove adjusting keys or wrenches before turning  
the tool on. A wrench or a key that is left attached to a  
rotating part of the tool may result in personal injury.  
READ THESE INSTRUCTIONS  
WORK AREA  
nDo not overreach. Keep proper footing and balance  
at all times. Proper footing and balance enables better  
control of the tool in unexpected situations.  
nKeep your work area clean and well lit. Cluttered  
nUse safety equipment. Always wear eye protection.  
Dust mask, nonskid safety shoes, hard hat, or hearing  
protection must be used for appropriate conditions.  
nDo not wear loose clothing or jewelry. Contain long  
hair. Loose clothes, jewelry, or long hair can be drawn  
into air vents.  
benches and dark areas invite accidents.  
nDo not operate power tools in explosive atmospheres,  
such as in the presence of flammable liquids, gases,  
or dust. Power tools create sparks which may ignite the  
dust or fumes.  
nDo not use on a ladder or unstable support. Stable  
footing on a solid surface enables better control of the  
tool in unexpected situations.  
nKeep bystanders, children, and visitors away while  
operating a power tool. Distractions can cause you to  
lose control.  
TOOL USE AND CARE  
ELECTRICAL SAFETY  
nUse clamps or other practical way to secure and  
support the workpiece to a stable platform. Holding  
the work by hand or against your body is unstable and  
may lead to loss of control.  
nDo not force tool. Use the correct tool for your appli-  
cation. The correct tool will do the job better and safer  
at the rate for which it is designed.  
nDouble insulated tools are equipped with a polarized  
plug (one blade is wider than the other). This plug will  
fit in a polarized outlet only one way. If the plug does  
not fit fully in the outlet, reverse the plug. If it still  
does not fit, contact a qualified electrician to install a  
polarized outlet. Do not change the plug in any way.  
Double insulation  
eliminates the need for the three-  
wire grounded power cord and grounded power supply  
system.  
nDo not use tool if switch does not turn it on or off.  
Any tool that cannot be controlled with the switch is  
dangerous and must be repaired.  
nDisconnect the plug from power source before making  
any adjustments, changing accessories, or storing the  
tool. Such preventive safety measures reduce the risk of  
starting the tool accidentally.  
nStore idle tools out of the reach of children and other  
untrained persons. Tools are dangerous in the hands of  
untrained users.  
nMaintain tools with care. Keep cutting tools sharp  
and clean. Properly maintained tools with sharp cutting  
edges are less likely to bind and are easier to control.  
nCheck for misalignment or binding of moving parts,  
breakage of parts, and any other condition that may  
affect the tool’s operation. If damaged, have the tool  
serviced before using. Many accidents are caused by  
poorly maintained tools.  
nUse only accessories that are recommended by the  
manufacturer for your model. Accessories that may be  
suitable for one tool, may become hazardous when used  
on another tool.  
n Keep the tool and its handle dry, clean and free from  
oil and grease. Always use a clean cloth when clean-  
ing. Never use brake fluids, gasoline, petroleum-based  
products, or any strong solvents to clean your tool.  
Following this rule will reduce the risk of loss of control  
and deterioration of the enclosure plastic.  
nAvoid body contact with grounded surfaces such as  
pipes, radiators, ranges, and refrigerators. There is an  
increased risk of electric shock if your body is grounded.  
nTo reduce the risk of fire or electric shock, do not ex-  
pose this product to rain or moisture. Store indoors.  
nDo not abuse the cord. Never use the cord to carry the  
tools or pull the plug from an outlet. Keep cord away  
from heat, oil, sharp edges, or moving parts. Replace  
damaged cords immediately. Damaged cords increase  
the risk of electric shock.  
n
When operating a power tool outside, use an outdoor  
extension cord marked “W-A” or “W”. These cords  
are rated for outdoor use and reduce the risk of electric  
shock.  
PERSONAL SAFETY  
nStay alert, watch what you are doing and use common  
sense when operating a power tool. Do not use tool  
while tired or under the influence of drugs, alcohol,  
or medication. A moment of inattention while operating  
power tools may result in serious personal injury.  
nDress properly. Do not wear loose clothing or jewelry.  
Contain long hair. Keep your hair, clothing, and gloves  
away from moving parts. Loose clothes, jewelry, or long  
hair can be caught in moving parts.  
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IMPORTANT SAFETY INSTRUCTIONS  
nWhen servicing a tool, use only identical replacement  
SERVICE  
parts. Follow instructions in the Maintenance section  
of this manual. Use of unauthorized parts or failure to  
follow Maintenance Instructions may create a risk of  
shock or injury.  
nTool service must be performed only by qualified  
repair personnel. Service or maintenance performed by  
unqualified personnel may result in a risk of injury.  
SPECIFIC SAFETY RULES  
nThe nozzle of the heat gun becomes very hot during nProtect your hearing. Wear hearing protection during  
operation and should not be touched until the tool has  
cooled. Always hold the tool by the insulated gripping  
surface to reduce the risk of serious personal injury.  
extended periods of operation. Following this rule will  
reduce the risk of serious personal injury.  
nInspect tool cords periodically and, if damaged, have  
repaired at your nearest Authorized Service Center.  
Constantly stay aware of cord location. Following this  
rule will reduce the risk of electric shock or fire.  
nHeat guns produce very high temperatures and must  
be used with caution to prevent combustible material  
from igniting. Keep tool in constant motion; do not  
stop or dwell in one spot. Following this rule will reduce  
the risk of fire or serious personal injury.  
nCheck damaged parts. Before further use of the  
tool, a guard or other part that is damaged should  
be carefully checked to determine that it will operate  
properly and perform its intended function. Check for  
alignment of moving parts, binding of moving parts,  
breakage of parts, mounting, and any other conditions  
that may affect its operation. A guard or other part that  
is damaged should be properly repaired or replaced  
by an authorized service center. Following this rule will  
reduce the risk of shock, fire, or serious injury.  
nExcessive heat can generate fumes which may be  
dangerous when inhaled. Wear a dust respirator mask  
or dual filter respirator mask when using the heat gun.  
Following this rule will reduce the risk of serious personal  
injury.  
n Keep a fully charged fire extinguisher close at hand  
for emergency use. Following this rule will reduce the  
risk of fire or serious injury.  
nMake sure your extension cord is in good condition.  
When using an extension cord, be sure to use one  
heavy enough to carry the current your product will  
draw. A wire gauge size (A.W.G.) of at least 14 is  
recommended for an extension cord 50 feet or less  
in length. A cord exceeding 100 feet is not recom-  
mended. If in doubt, use the next heavier gauge. The  
smaller the gauge number, the heavier the cord. An  
undersized cord will cause a drop in line voltage resulting  
in loss of power and overheating.  
nDo not leave the heat gun unattended while running or  
cooling down. Always set tool on a flat, level surface  
so nozzle tip is directed upwards, away from support-  
ing surface, while running or cooling down. Following  
this rule will reduce the risk of fire or serious injury.  
nKnow your power tool. Read operator’s manual care-  
fully. Learn its applications and limitations, as well  
as the specific potential hazards related to this tool.  
Following this rule will reduce the risk of electric shock,  
fire, or serious injury.  
nSave these instructions. Refer to them frequently and  
use them to instruct others who may use this tool. If you  
loan someone this tool, loan them these instructions  
also.  
nAlways wear safety glasses. Everyday eyeglasses  
have only impact-resistant lenses; they are NOT  
safety glasses. Following this rule will reduce the risk  
of serious personal injury.  
WARNING:  
Fumes created by heating some materials may contain chemicals known to cause cancer, birth defects, or other  
reproductive harm. Some examples of these chemicals are:  
• lead from lead-based paints,  
• crystalline silica from bricks and cement and other masonry products, and  
• arsenic and chromium from chemically-treated lumber.  
Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to  
these chemicals: work in a well-ventilated area and work with approved safety equipment, such as those masks that  
are specially designed to filter out microscopic particles.  
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SYMBOLS  
Some of the following symbols may be used on this tool. Please study them and learn their meaning. Proper interpreta-  
tion of these symbols will allow you to operate the tool better and safer.  
SYMBOL  
NAME  
DESIGNATION/EXPLANATION  
V
Volts  
Voltage  
Current  
A
Hz  
W
Amperes  
Hertz  
Watt  
Frequency (cycles per second)  
Power  
min  
Minutes  
Time  
Alternating Current  
Type of current  
Direct Current  
Type or a characteristic of current  
Rotational speed, at no load  
n
No Load Speed  
o
Class II Construction  
Per Minute  
Double-insulated construction  
.../min  
Revolutions, strokes, surface speed, orbits etc., per minute  
Wet Conditions Alert  
Do not expose to rain or use in damp locations.  
To reduce the risk of injury, user must read and understand  
operator’s manual before using this product.  
Read The Operator’s Manual  
Always wear safety goggles or safety glasses with side shields  
and a full face shield when operating this product.  
Eye Protection  
Safety Alert  
Precautions that involve your safety.  
Failure to keep your hands away from the blade will result in  
serious personal injury.  
No Hands Symbol  
Failure to keep your hands away from the blade will result in  
serious personal injury.  
No Hands Symbol  
No Hands Symbol  
No Hands Symbol  
Hot Surface  
Failure to keep your hands away from the blade will result in  
serious personal injury.  
Failure to keep your hands away from the blade will result in  
serious personal injury.  
To reduce the risk of injury or damage, avoid contact with  
any hot surface.  
5
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SYMBOLS  
The following signal words and meanings are intended to explain the levels of risk associated with this product.  
SYMBOL  
SIGNAL  
MEANING  
DANGER:  
Indicates an imminently hazardous situation, which, if not avoided, will  
result in death or serious injury.  
WARNING:  
Indicates a potentially hazardous situation, which, if not avoided, could  
result in death or serious injury.  
CAUTION:  
CAUTION:  
Indicates a potentially hazardous situation, which, if not avoided, may  
result in minor or moderate injury.  
(Without Safety Alert Symbol) Indicates a situation that may result in  
property damage.  
SERVICE  
WARNING:  
Servicing requires extreme care and knowledge and should  
be performed only by a qualified service technician. For  
service we suggest you return the product to your nearest  
AUTHORIZED SERVICE CENTER for repair. When servic-  
ing, use only identical replacement parts.  
To avoid serious personal injury, do not attempt to use  
this product until you read thoroughly and understand  
completely the operator’s manual. Save this operator’s  
manual and review frequently for continuing safe opera-  
tion and instructing others who may use this product.  
WARNING:  
The operation of any power tool can result in foreign objects being thrown into your eyes, which can  
result in severe eye damage. Before beginning power tool operation, always wear safety goggles or  
safety glasses with side shields and a full face shield when needed. We recommend Wide Vision Safety  
Mask for use over eyeglasses or standard safety glasses with side shields. Always use eye protection  
which is marked to comply with ANSI Z87.1.  
SAVE THESE INSTRUCTIONS  
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ELECTRICAL  
DOUBLE INSULATION  
EXTENSION CORDS  
Double insulation is a concept in safety in electric power  
tools, which eliminates the need for the usual three-  
wire grounded power cord. All exposed metal parts are  
isolated from the internal metal motor components with  
protecting insulation. Double insulated tools do not need  
to be grounded.  
When using a power tool at a considerable distance from  
a power source, be sure to use an extension cord that has  
the capacity to handle the current the tool will draw. An un-  
dersized cord will cause a drop in line voltage, resulting in  
overheating and loss of power. Use the chart to determine  
the minimum wire size required in an extension cord. Only  
round jacketed cords listed by Underwriter’s Laboratories  
(UL) should be used.  
WARNING:  
When working outdoors with a tool, use an extension cord  
that is designed for outside use. This type of cord is desig-  
nated with “WA” on the cord’s jacket.  
The double insulated system is intended to protect the  
user from shock resulting from a break in the tool’s in-  
ternal insulation. Observe all normal safety precautions  
to avoid electrical shock.  
Before using any extension cord, inspect it for loose or ex-  
posed wires and cut or worn insulation.  
**Ampere rating (on tool faceplate)  
NOTE: Servicing of a tool with double insulation requires  
extreme care and knowledge of the system and should be  
performedonlybyaqualifiedservicetechnician. Forservice,  
we suggest you return the tool to your nearest authorized  
service center for repair. Always use original factory replace-  
ment parts when servicing.  
0-2.0  
2.1-3.4  
3.5-5.0  
5.1-7.0  
7.1-12.0 12.1-16.0  
Cord Length  
Wire Size (A.W.G.)  
25'  
50'  
16  
16  
16  
16  
16  
16  
16  
16  
14  
16  
14  
12  
14  
14  
10  
14  
12  
ELECTRICAL CONNECTION  
100'  
**Used on 12 gauge - 20 amp circuit.  
NOTE: AWG = American Wire Gauge  
This tool has a precision-built electric motor. It should be  
connected to a power supply that is 120 volts, 60 Hz, AC  
only (normal household current). Do not operate this tool  
on direct current (DC). A substantial voltage drop will cause  
a loss of power and the motor will overheat. If your tool does  
not operate when plugged into an outlet, double-check the  
power supply.  
WARNING:  
Keep the extension cord clear of the working area. Po-  
sition the cord so that it will not get caught on lumber,  
tools or other obstructions while you are working with a  
power tool. Failure to do so can result in serious personal  
injury.  
WARNING:  
Check extension cords before each use. If damaged re-  
place immediately. Never use tool with a damaged cord  
since touching the damaged area could cause electrical  
shock resulting in serious injury.  
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FEATURES  
PRODUCT SPECIFICATIONS  
Heat Output.............................................................................................................................................. 300˚F/600˚F/1100˚F  
Input .....................................................................................................................................120 V, 60 Hz, AC only, 10 Amps  
Net Weight....................................................................................................................................................................1.9 lbs.  
NOSE CONE  
SCRAPER NOZZLE  
SUPPORT  
STAND  
TEMPERATURE  
SWITCH  
HANGER  
Fig. 1  
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FEATURES  
KNOW YOUR HEAT GUN  
POWER CORD  
An extra-long 10-foot power cord gives you more freedom  
of movement and placement flexibility when working with  
your heat gun.  
See Figure 1.  
Before attempting to use this product, familiarize yourself  
with all operating features and safety rules.  
SCRAPER NOZZLE  
TEMPERATURE SWITCH  
A scraper nozzle attachment is provided with your heat gun  
to expand its possible uses.  
Your heat gun’s conveniently located switch allows you to  
select one of three available operating temperatures.  
HANGER  
NOSE CONE  
A hanger is located in the support stand of your heat gun.  
The nose cone on your heat gun can be removed for work  
in confined spaces.  
SUPPORT STAND  
Your heat gun has a built-in support stand for ease of use  
and convenient cool down.  
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ASSEMBLY  
UNPACKING  
This product has been shipped completely assembled.  
WARNING:  
If any parts are missing do not operate this tool until the  
missing parts are replaced. Failure to do so could result  
in possible serious personal injury.  
n Carefully remove the tool and any accessories from the  
box. Make sure that all items listed in the packing list are  
included.  
n Inspect the tool carefully to make sure no breakage or  
damage occurred during shipping.  
WARNING:  
n Do not discard the packing material until you have care-  
Do not attempt to modify this tool or create accesso-  
ries not recommended for use with this tool. Any such  
alteration or modification is misuse and could result in a  
hazardous condition leading to possible serious personal  
injury.  
fully inspected and satisfactorily operated the tool.  
n If any parts are damaged or missing, please call  
1-800-525-2579 for assistance.  
PACKING LIST  
Heat Gun  
WARNING:  
Scraper Nozzle  
Do not connect to power supply until assembly is  
complete. Failure to comply could result in accidental  
starting and possible serious personal injury.  
Operator’s Manual  
Warranty Registration Card  
OPERATION  
READ THIS INSTRUCTION  
WARNING:  
Do not allow familiarity with tools to make you careless.  
Remember that a careless fraction of a second is suf-  
ficient to inflict serious injury.  
WARNING:  
Use extreme care when stripping paint. The peelings,  
residue, and vapors of paint may contain lead, which  
is poisonous. Any pre-1977 paint may contain lead and  
paint applied to homes prior to 1950 is likely to contain  
lead. Once deposited on surfaces, hand to mouth contact  
can result in the ingestion of lead. Exposure to even low  
levels of lead can cause irreversible brain and nervous  
system damage; young and unborn children are par-  
ticularly vulnerable. Before beginning any paint removal  
process, you should determine whether the paint you are  
removing contains lead. This can be done by your local  
health department or by a professional who uses a paint  
analyzer to check lead content of the paint to be removed.  
LEAD-BASED PAINT SHOULD ONLY BE REMOVED BY  
A PROFESSIONAL AND SHOULD NOT BE REMOVED  
USING A HEAT GUN.  
WARNING:  
Always wear safety goggles or safety glasses with side  
shields, a dust respirator mask or dual filter respirator  
mask, and protective gloves when operating the heat gun.  
Failure to do so could result in possible serious injury.  
WARNING:  
Do not use any attachments or accessories not recom-  
mended by the manufacturer of this tool. The use of  
attachments or accessories not recommended can result  
in serious personal injury.  
APPLICATIONS  
You may use this tool for the purposes listed below:  
Persons removing paint should follow these guidelines:  
nMove the workpiece outdoors. If this is not possible, keep  
the work area well ventilated. Open the windows and put  
an exhaust fan in one of them. Be sure the fan is moving  
the air from inside to outside.  
nSoften paint, caulking and putty for easier removal  
n Soften adhesives to help remove stickers, floor tiles,  
wallpaper, etc.  
n Heating plastic and metal for bending  
n Shrink tubing for electrical work  
nRemove or cover any carpets, rugs, furniture, clothing,  
cooking utensils, and air ducts.  
nPlace drop cloths in the work area to catch any paint chips  
or peelings. Wear protective clothing such as extra work  
shirts, overalls, and hats.  
n Shrink plastic film for wrapping or weatherproofing  
n Loosen rusted nuts, bolts, and fittings  
10  
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OPERATION  
nWork in one room at a time. Furnishings should be re-  
STARTING/STOPPING THE HEAT GUN  
moved or placed in the center of the room and covered.  
Work areas should be sealed off from the rest of the  
dwelling by sealing doorways with drop cloths.  
See Figure 2.  
The heat gun is started by sliding the power switch upward  
into either the HI, MED, or LO position. To stop, slide the  
switch all the way down to the OFF (O) position.  
nChildren, pregnant or potentially pregnant women, and  
nursing mothers should not be present in the work area  
until the work is done and all clean up is complete.  
ADJUSTING THE TEMPERATURE  
See Figure 2.  
nWear a dust respirator mask or a dual filter (dust and  
fume) respirator mask which has been approved by the  
Occupational Safety and Health Administration (OSHA),  
the National Institute of Safety and Health (NIOSH), or  
the United States Bureau of Mines. These masks and  
replaceable filters are readily available at major hardware  
stores. Be sure the mask fits. Beards and facial hair may  
keep masks from sealing properly. Change filters often.  
DISPOSABLE PAPER MASKS ARE NOT ADEQUATE.  
The temperature of the heat gun is controlled by the switch.  
From the OFF position, slide the switch up one click for  
low temperature (300˚F), two clicks for medium tempera-  
ture (600˚F) and all the way to the top for high temperature  
(1100˚F).  
NOTE: The proper amount of heat necessary for a specific  
applicationdependsonthedistancebetweenthenozzleand  
workpiece and the length of time heat is applied. Experiment  
with scrap materials and start with the lowest temperature  
range. Be cautious when working until the proper combina-  
tion of heat, distance and time has been determined.  
nUse caution when operating the heat gun. Keep the heat  
gun moving as excessive heat will generate fumes  
nKeep food and drink out of the work area. Wash hands,  
arms and face and rinse mouth before eating or drinking.  
Do not smoke or chew gum or tobacco in the work area.  
nClean up all removed paint and dust by wet mopping the  
floors. Use a wet cloth to clean all walls, sills, and any other  
surface where paint or dust is clinging. DO NOT SWEEP,  
DRYDUST, ORVACUUM. Useahighphosphatedetergent  
or trisodium phosphate (TSP) to wash and mop areas.  
TEMPERATURE  
SWITCH  
nAt the end of work session, put the paint chips and debris  
in a double plastic bag, close it with tape or twist ties,  
and dispose of properly.  
Fig. 2  
nRemove protective clothing and work shoes in the work  
area to avoid carrying dust into the rest of the dwelling.  
Wash work clothes separately. Wipe shoes off with a wet  
rag that is then washed with the work clothes. Wash hair  
and body thoroughly with soap and water.  
HANDS-FREE OPERATION  
See Figure 3.  
The heat gun has a flat bottom surface that acts as a sup-  
port stand to allow hands-free operation and cooling. Rest  
the tool on a flat surface and make sure the cord placement  
does not cause the heat gun to tip over.  
WARNING:  
NOTE: Do not leave heat gun unattended while it is running  
or cooling down. Always set on a flat, level surface with noz-  
zle tip directed upwards, away from supporting surface.  
This heat gun generates extremely high temperatures.  
Hidden areas such as behind walls, ceilings, floors, soffit  
boards, and other panels may contain flammable materi-  
als that could be ignited by the heat gun when working  
in these locations. Keep tool in constant motion; do not  
stop or dwell in one spot as the panel or material behind  
it may ignite. The ignition of these materials may not be  
readily apparent and could result in property damage and  
injury to persons.  
SAVE THIS INSTRUCTION  
WARNING:  
Do not direct hot tip or nozzle toward clothing, hands  
or other body parts. Intense heat from tip or nozzle can  
cause serious burns or cause clothing to ignite.  
SUPPORT STAND  
Fig. 3  
SAVE THIS INSTRUCTION  
11  
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OPERATION  
INSTALLING SCRAPER NOZZLE  
See Figure 4.  
The scraper nozzle reduces the airflow from a circular area  
to a wide, narrow line. This nozzle can be used for removing  
paint, andforsofteningandformingacrylicsheets, vinylfloor  
tiles, linoleum, and laminate surfaces.  
HEAT GUN NOZZLE  
NOTE: Install or remove attachment only when both the  
heat gun nozzle and the scraper nozzle are cool.  
REMOVING THE NOSE CONE  
See Figure 5.  
The nose cone helps to limit exposure to the extremely  
hot nozzle when the heat gun is in use. However, the nose  
cone can be removed to allow use of the heat gun in tight  
spaces.  
SCRAPER NOZZLE  
NOTE: Always reinstall the nose cone when finished.  
To remove:  
n Unplug the heat gun.  
n With nozzle pointed away from you, rotate the nose cone  
Fig. 4  
slightly clockwise and remove.  
WARNING:  
The nozzle of the heat gun is extremely hot during use.  
It will stay hot for several minutes, depending on room  
temperature. Allow heat gun to cool before attempting to  
install or remove the nose cone to avoid possible serious  
personal injury.  
NOSE  
CONE  
To reinstall:  
n Unplug the heat gun.  
nSlide nose cone over the heat gun nozzle.  
nSeat the nose cone against the body of the heat gun by  
aligning tabs on heat gun body to notches on base of  
nose cone.  
HEAT GUN  
NOZZLE  
nRotate the nose cone counterclockwise to secure.  
USING THE HANGER  
See Figure 6.  
Fig. 5  
The heat gun has a hanger recessed into the support stand.  
To use, simply slide your finger into the opening underneath  
the hanger and flip the hanger out and away from the sup-  
port stand.  
HANGER  
Fig. 6  
12  
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MAINTENANCE  
WARNING:  
WARNING:  
When servicing, use only identical Ryobi replacement  
parts. Use of any other parts may create a hazard or  
cause product damage.  
Always unplug the heat gun before performing any type  
of maintenance. Following this rule will reduce the risk  
of serious personal injury.  
CLEANING THE HEAT GUN  
WARNING:  
The heat gun and nozzle attachment should be kept clean,  
dry, and free of oil or grease. Only a mild soap and damp  
cloth should be used to clean the heat gun. Do not allow  
liquid to enter the tool.  
Always wear safety goggles or safety glasses with side  
shields during power tool operation or when blowing  
dust. If operation is dusty, also wear a dust mask.  
The high temperatures of the heat gun will cause the nozzle  
to turn dark over time. This is normal and will not affect its  
performance or life.  
GENERAL MAINTENANCE  
Avoid using solvents when cleaning plastic parts. Most  
plastics are susceptible to damage from various types of  
commercial solvents and may be damaged by their use. Use  
clean cloths to remove dirt, dust, oil, grease, etc.  
Ventilation openings must be kept clean and free of foreign  
matter. The most effective method of cleaning the vents is  
with compressed air. Do not attempt to clean by inserting  
pointed objects through the openings.  
WARNING:  
STORAGE  
Do not at any time let brake fluids, gasoline, petroleum-  
based products, penetrating oils, etc., come in contact  
with plastic parts. Chemicals can damage, weaken or  
destroy plastic which may result in serious personal  
injury.  
Always allow the heat gun and nozzle attachments to cool  
to room temperature before storing. Store the heat gun out  
of reach of children and untrained individuals.  
WARNING:  
The nozzle of the heat gun will stay hot for several minutes  
after use. Always allow heat gun to cool before storage.  
Following this rule will reduce the risk of serious personal  
injury or property damage.  
Electrictoolsusedonfiberglassmaterial,wallboard,spackling  
compounds, or plaster are subject to accelerated wear and  
possible premature failure because the fiberglass chips and  
grindings are highly abrasive to bearings, brushes, commu-  
tators,etc.Consequently,wedonotrecommendedusingthis  
toolforextendedworkonthesetypesofmaterials. However,  
if you do work with any of these materials, it is extremely  
important to clean the tool using compressed air.  
LUBRICATION  
All of the bearings in this tool are lubricated with a sufficient  
amount of high grade lubricant for the life of the unit under  
normal operating conditions. Therefore, no further lubrica-  
tion is required.  
13  
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OPERATOR’S MANUAL  
HEAT GUN  
DOUBLE INSULATED  
HG300  
• SERVICE  
Now that you have purchased your tool, should a need ever exist for repair parts or  
service, simply contact your nearest Ryobi Authorized Service Center. Be sure to provide  
all pertinent facts when you call or visit. Please call 1-800-525-2579 for your nearest Ryobi  
complete list of Authorized Service Centers.  
• MODEL NO. AND SERIAL NO.  
The model number of this tool will be found on a plate attached to the motor housing.  
Please record the model number and serial number in the space provided below.  
• HOW TO ORDER REPAIR PARTS  
When ordering repair parts, always give the following information:  
HG300  
• MODEL NUMBER  
• SERIAL NUMBER  
RYOBI TECHNOLOGIES, INC.  
1428 Pearman Dairy Road, Anderson, SC 29625  
Post Office Box 1207, Anderson, SC 29622-1207  
Phone 1-800-525-2579  
983000-565  
9-04  
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