14) Remove all highly flamma-
ble materials and other
debris from the work area.
15) Wear safety glasses at all
times.
16) When using an extension
cord, use only a 3-wire
grounded cord with a mini-
mum of 14 gauge capacity.
We recommend they be
listed by Underwriters
Laboratories (UL) in the
U.S.A. or (CSA) Canadian
Standards Association in
Canada and be suitable for
outdoor use. Cords
marked for outdoor use are
also suitable for indoor use.
17) Don’t abuse cordset.
Never yank by cord to
remove from electrical out-
let or carry tool by cord.
18) Don't remove adjustable
stand. When not hand
held, place tool on a level
surface. Position cordset
so it does not cause
tipping.
19) Keep a fully-charged fire
extinguisher close at
hand.
20) Do not leave heat gun
unattended while running
or cooling down.
21) Stay alert. Do not operate
tool when you are tired.
Use common sense and
watch what you are doing.
22) Store properly. Do not
store while hot. Store in a
dry, high or locked-up
location. Keep out of the
reach of children.
23) Always unplug tool before
performing any mainte-
nance. When servicing,
use only Master Appliance
brand replacement parts.
We recommend that all
maintenance be performed
by a qualified repair techni-
cian who is experienced in
the repair of electric tools,
a qualified service organi-
zation, or our repair staff.
24) WARNING: This product,
when used for soldering and
similar applications, pro-
duces chemicals known to the
state of California to cause
cancer and birth defects or
other reproductive harm.
Send product to:
Master Appliance Corp.
Attn: Repair Department
2420 - 18th Street
Racine, Wl 53403
Your Master Heat Gun is a
heavy-duty, industrial-quality,
general-purpose heat gun.
You can do more heating jobs
faster with this heat gun
because of its high power and
air flow ratings.
This product provides a fast
flow of heated air for applica-
tions such as activating adhe-
sives, bending and forming
plastics, curing epoxies,
deburring plastics, defrosting
frozen coils, drying negatives
and parts, heating solids and
liquids, loosening nuts and
bolts, removing floor tiles and
putty, repairing vinyl, shrinking
tubing and packaging, soften-
ing materials and stripping
paint. It's your dependable
answer, “Wherever a fast,
portable heat is the need.”
The proper amount of heat for
each application is dependent
upon the adjustment of the air
intake shutter, the distance of
the nozzle opening from the
work surface and length of
time that heat is applied to the
work surface.
Before performing an applica-
tion, we recommend that you
experiment with a piece of
scrap material. Use care in
approaching the work until
you find the proper combina-
tion of shutter adjustment, dis-
tance from the work surface
and heat application time.
Use a gentle back and forth
motion when applying heat
unless it is found that a con-
centrated heat is desired.
To Operate Heat Gun
1) Plug heat gun into properly
rated outlet.
2) Move rocker switch to “Hot”
position. Heat gun will
come up to full operating
temperature in approxi-
mately two minutes.
3) Adjust air intake shutter to
desired position. Open will
provide slightly cooler air.
Closed will provide the
highest temperature.
4
Important Safety Instructions
(cont’d)
Operating Instructions
5
Operating Instructions
(cont’d)
Typical Applications
When heat gun is used in an
enclosed container, such as a
shrink tunnel or special enclo-
sure, ambient air must be
allowed to pass into the heat
gun and there must be an out-
let of equal size for the heated
air to pass out of the enclosure
also. Total enclosure will
cause damage or possible fail-
ure to the heat gun due to the
extreme heat generated.
4) Adjustable stand is pro-
vided to allow nozzle to be
rotated from almost hori-
zontal to vertical position.
5) To turn heat gun off after
use, move switch to
“COLD” position. Run on
cold for approximately
three minutes. This will
allow the heat gun to cool
down and the nozzle to
become cool to the touch.
6) Move switch to "OFF"
position.
How to Strip Paint
In addition to many other
applications, stripping paint
has become a popular use for
your Master Heat Gun.
Because of its higher power
and airflow ratings many pro-
fessional restoration and reno-
vation contractors recognize it
as the tool of choice for tough
paint stripping jobs.
We recommend using only
the Model HG-501A (120V),
HG-501A-C (120 V, in Canada)
or the Model HG-502A
(220/240V) for professional
paint stripping applications.
Paint Stripping Safety
Instructions
1) WARNING: With a heat
gun, as with all other heat
tools, keep a fire extin-
guisher handy and observe
all sensible fire precautions.
We do not recommend
using this heat gun on
hollow surfaces such as
outdoor siding, walls, sof-
fits, panels and partitions,
etc. These areas often con-
tain flammable materials
such as dust, wood chips,
insulation, rodent nests and
other debris which could
accidentally ignite.
Your heat gun is best used
for stripping paint from
solid woodwork with ins
and outs, such as solid
interior trim, mouldings,
turnings, doors, balusters
and porch trim, etc.
When stripping paint,
always keep the heat gun
moving in a continuous
back and forth motion.
Stopping or pausing too
long in one spot could ignite
the surface you are working
on or the area behind it.
2) Do not breathe or swallow
lead based paint in any
form. Many old homes and
other buildings contain lead
based paint. Dust, scrap-
ings, residues and vapors of
lead based paint are
extremely poisonous.
Prevent possible lead
poisoning when stripping
this type of paint by using
adequate ventilation (such
as a window fan in the
exhaust mode), and keeping
a clean work area. When
dust or vapors are
present, use a respirator
designed to filter lead. Move
work outside when possible.
Failure to follow adequate
safety precautions when
working with lead based
paint could result in lead
poisoning. See our Paint
Stripping instructions for
more information.
3) Keep away from chemical
paint strippers which can
ignite or release harmful
vapors.
4) Use adequate ventilation
(such as a window fan in
the exhaust mode) and
keep your work area clean.
5) Wear gloves and safety
glasses at all times.
Stripping Safety (cont’d)
6) Keep a fully charged fire
extinguisher close at hand.
7) Stay alert, watch what you
are doing, and use com-
mon sense.
IMPORTANT SAFETY
INSTRUCTIONS
READ THESE INSTRUCTIONS
WARNING: Hidden areas such
as behind walls, ceilings, floors,
soffit boards, and other panels
may contain flammable liquids
that could be ignited by the hot
air gun when working in these
locations. The ignition of these
materials may not be readily
apparent and could result in
property damage and injury to
persons. Do not use if in doubt
about this hazard. When work-
ing in these locations, keep the
hot air gun moving in a back-
and-forth motion. Lingering or
pausing in one spot could
ignite the panel or the material
behind it.
Paint Stripping
WARNING: Extreme care
should be taken when stripping
paint. The peelings, residue
and vapors of paint may con-
tain lead, which is poisonous.
Any pre-1977 paint may con-
tain 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 particularly 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 used
a paint analyzer to check the
lead contact of the paint to be
removed. LEAD-BASED
PAINT SHOULD ONLY BE
REMOVED BY A PROFES-
SIONAL AND SHOULD NOT
BE REMOVED USING A
HOT AIR GUN.
Persons removing paint
should follow these guidelines:
1) Move the work piece out-
doors. If this is not possible,
keep the work area well
ventilated. Open the win-
dows and put an exhaust
fan in one of them. Be sure
the fan is moving the air
from inside to outside.
2) Remove or cover any
carpets, rugs, furniture,
clothing, cooking utensils
and air ducts.
3) Place drop cloths in the
work area to catch any
paint chips or peelings.
Wear protective clothing
such as extra work shirts,
overalls and hats.
4) Work in one room at a time.
Furnishings should be
removed or placed in the
center of the room and cov-
ered. Work areas should be
sealed off from the rest of
the dwelling by sealing
doorways with drop cloths.
5) Children, pregnant or
potentially pregnant women
and nursing mothers should
not be present in the work
area until the work is done
and all cleanup is complete.
6) Wear a dust respirator 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 read-
ily available at major hard-
ware 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.
7) Use caution when operating
the hot air gun. Keep the
hot air gun moving as
excessive heat will generate
fumes which can be inhaled
by the operator.
8) Keep 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.
9) Clean 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, DRY DUST
OR VACUUM. Use a high
phosphate detergent or
trisodium phosphate (TSP)
to wash and mop areas.
10) At the end of each work
session put the paint chips
and debris in a double
plastic bag, close it with
tape or twist ties, and
dispose of properly.
6
Typical Applications
(cont’d)

BLW-001

Mfr. #:
Manufacturer:
Description:
Heat gun part, Blower wheel fits Master and Varitemp Heat Guns
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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