Chicago Electric 91979 Manuel utilisateur
ASSEMBLY & OPERATING INSTRUCTIONS
91979
3491 Mission Oaks Blvd., Camarillo, CA 93011
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Copyright©2004 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.
®
COMPACT POWDER COAT OVEN
SKU 91979 For technical questions, please call 1-800-444-3353. Page 2
THANK YOU for choosing a HARBOR FREIGHT TOOLS product. For future reference, please
complete the owner’s record below:
Model______________ Serial No._____________ Purchase Date_______________
SAVE THE RECEIPT, WARRANTY AND THESE INSTRUCTIONS. It is important that you read the
entire manual to become familiar with the unit BEFORE you begin assembly.
The Compact Powder Coat Oven features a compact design for use in baking powder coat materi-
als and preheating parts. The Compact Powder Coat Oven is for use on non-volatile carbons and
solvent based materials.
Technical Specifications
Outside Dimensions: 23-1/4" H x 14-5/8" W x 14-3/4" D
Inside Diameter: 11-3/4" W x 14-3/4" H x 12” D
Heater Block: Single 500 Watt
Cord, Plug and Thermostat Switch: UL®Listed
Power Source: 120 Volt, 60 Hz
Cord: 18 AWG x 3c
Heat Range: 90-480° F
Safety Warnings and Precautions
WARNING: When using product, basic safety precautions should always be followed to
reduce the risk of personal injury and damage to equipment.
Read all instructions before using this product!
WORK AREA
1. Keep your work area clean and well lit. Cluttered benches and dark areas invite
accidents.
2. Do not operate the Oven in explosive atmospheres, such as in the presence of
flammable liquids, gases, or dust. Electrical products create sparks which may ignite the
dust or fumes.
3. Keep bystanders, children, and visitors away while operating the Oven.
Distractions can cause you to lose control. Protect others in the work area from debris.
Provide barriers or shields as needed.
ELECTRICAL SAFETY
4. Grounded products must be plugged into an outlet properly installed and grounded in
accordance with all codes and ordinances. Never remove the grounding prong or
modify the plug in any way. Do not use any adapter plugs. Check with a qualified
electrician if you are in doubt as to whether the outlet is properly grounded. If the
Oven should electrically malfunction or break down, grounding provides a low resistance
SKU 91979 For technical questions, please call 1-800-444-3353. Page 3
path to carry electricity away from the user.
5. Double insulated products 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.
6. Avoid 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.
7. Do not expose the Oven to rain or wet conditions. Water entering the Oven will
increase the risk of electric shock.
8. Do not abuse the Power Cord. Never use the Power Cord to carry the Oven or pull the
Plug from an outlet. Keep the Power Cord away from heat, oil, sharp edges, or
moving parts. Replace damaged Power Cords immediately. Damaged Power Cords
increase the risk of electric shock.
9. When operating a power tool outside, use an outdoor extension cord marked “W-A”
or “W”. These extension cords are rated for outdoor use, and reduce the risk of electric
shock.
PERSONAL SAFETY
10. Stay alert. Watch what you are doing, and use common sense when operating the
Oven. Do not operate the Oven while tired or under the influence of drugs, alcohol, or
medication. A moment of inattention while operating the Oven may result in serious
personal injury.
11. Dress 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.
12. Avoid accidental starting. Be sure the electrical cord is unplugged when not in use.
13. Remove adjusting keys or wrenches before turning the Oven on. A wrench or a key
that is left inside the oven invites accidents and/or property damage.
14. Do not overreach. Keep proper footing and balance at all times. Proper footing and
balance enables better control of the power tool in unexpected situations.
15. Use safety equipment. Always wear eye protection. Dust mask, nonskid safety shoes,
hard hat, or hearing protection must be used for appropriate conditions.
SKU 91979 For technical questions, please call 1-800-444-3353. Page 4
TOOL USE AND CARE
16. Do not use the Oven if the thermostat does not turn it on or off properly. Any
appliance that cannot be controlled with the Power Switch is dangerous and must be
replaced.
17. Disconnect the Power Cord Plug from the power source before making any
adjustments or doing maintenance on the Oven. Such preventive safety measures
reduce the risk of starting the tool accidentally.
18. Maintain the Oven with care. Do not use a damaged Oven. Tag damaged Oven “Do not
use” until repaired.
19. Never attempt to use the Oven if it is not working properly. If any discrepancy is noted,
have the Oven serviced immediately.
SERVICE
20. Oven service must be performed only by qualified repair personnel. Service or
maintenance performed by unqualified personnel could result in a risk of injury.
21. When servicing the Oven, use only identical replacement parts. Follow instructions in
the
“Inspection, Maintenance, And Cleaning”
section of this manual. Use of
unauthorized parts or failure to follow maintenance instructions may create a risk of electric
shock or injury.
SKU 91979 For technical questions, please call 1-800-444-3353. Page 5
GROUNDING
GROUNDED TOOLS: TOOLS WITH THREE PRONG PLUGS
1. Tools marked with “Grounding Required” have a three wire cord and three prong grounding
plug. The plug must be connected to a properly grounded outlet. If the Oven should
electrically malfunction or break down, grounding provides a low resistance path to carry
electricity away from the user, reducing the risk of electric shock. (See Figure A.)
2. The grounding prong in the plug is connected through the green wire inside the cord to the
grounding system in the tool. The green wire in the cord must be the only wire connected to
the Oven’s grounding system and must never be attached to an electrically “live” terminal.
(See Figure A.)
3. Your Oven must be plugged into an appropriate outlet, properly installed and grounded in
accordance with all codes and ordinances. The plug and outlet should look like those in the
following illustration. (See Figure A.)
WARNING!
Improperly connecting the grounding wire can result in the risk of electric shock. Check with
a qualified electrician if you are in doubt as to whether the outlet is properly grounded. Do not
modify the power cord plug provided with the Oven. Never remove the grounding prong from
the plug. Do not use the Oven if the power cord or plug is damaged. If damaged, have it
repaired by a service facility before use. If the plug will not fit the outlet, have a proper outlet
installed by a qualified electrician.
FIGURE A
DOUBLE INSULATED APPLIANCES: APPLIANCES WITH TWO PRONG PLUGS
4. Appliances marked “Double Insulated” do not require grounding. They have a special double
insulation system which satisfies OSHA requirements and complies with the applicable
standards of Underwriters Laboratories, Inc., the Canadian Standard Association, and the
National Electrical Code. (See Figure B.)
5. Double insulated tools may be used in either of the 120 volt outlets shown in the following
illustration. (See Figure B.)
SKU 91979 For technical questions, please call 1-800-444-3353. Page 6
EXTENSION CORDS
1.
Grounded
appliances require a three wire extension cord.
Double Insulated
products can
use either a two or three wire extension cord.
2. As the distance from the supply outlet increases, you must use a heavier gauge extension
cord. Using extension cords with inadequately sized wire causes a serious drop in voltage,
resulting in loss of power and possible tool damage. (See Figure C, next page.)
3. The smaller the gauge number of the wire, the greater the capacity of the cord. For example,
a 14 gauge cord can carry a higher current than a 16 gauge cord. (See Figure C.)
4. When using more than one extension cord to make up the total length, make sure each cord
contains at least the minimum wire size required. (See Figure C.)
5. If you are using one extension cord for more than one tool, add the nameplate amperes and
use the sum to determine the required minimum cord size. (See Figure C.)
6. If you are using an extension cord outdoors, make sure it is marked with the suffix “W-A” (“W”
in Canada) to indicate it is acceptable for outdoor use.
7. Make sure your extension cord is properly wired and in good electrical condition. Always
replace a damaged extension cord or have it repaired by a qualified electrician before using it.
8. Protect your extension cords from sharp objects, excessive heat, and damp or wet areas.
FIGURE B
6
FIGURE C
SKU 91979 For technical questions, please call 1-800-444-3353. Page 7
Specific Product Warnings and Precautions
1. Do not use the Oven if under the influence of alcohol or drugs. Read warning
labels on prescriptions to determine if your judgement or reflexes are impaired while taking
drugs. If there is any doubt, do not set up or use the Oven.
2. Do not allow anyone to conduct any activities near the Oven while it is in use, or
following its use while it is still hot.
3. Do not use the Oven in areas near flammable chemicals, dusts and vapors.
4. The Oven should be placed on a fire retardant table or stand (not included)
approximately 36" above the floor level and should be protected from direct sunlight
or drafts. Make certain that the table or stand is flat, level, sturdy and capable of supporting
the weight of the Oven and objects being heated.
5. Wear heavy work gloves when touching the Oven or hot materials and
objects.
SPECIFIC SAFETY RULES
1. Maintain labels and nameplates on the Oven. These carry important information. If
unreadable or missing, contact Harbor Freight Tools for a replacement.
2. Always wear safety impact eye goggles and heavy work gloves when using the Oven.
Using personal safety devices reduce the risk for injury. Safety impact eye goggles and
heavy work gloves are available from Harbor Freight Tools.
3. Maintain a safe working environment. Keep the work area well lit. Make sure there is
adequate surrounding workspace. Always keep the work area free of obstructions, grease,
oil, trash, and other debris. Do not use the Oven in areas near flammable chemicals, dusts,
and vapors. Do not use this product in a damp or wet location.
4. Avoid unintentional starting. Make sure you are prepared to begin work before turning on
the Oven.
5. Never leave the Oven unattended when it is plugged into an electrical outlet. Tur n of f
the Oven, and unplug it from its electrical outlet before leaving.
6. Always unplug the Oven from its electrical outlet before performing any inspection,
maintenance, or cleaning procedures.
7. Warning! People with pacemakers should consult their physician(s) before using this
product. Operation of electrical equipment in close proximity to a heart pacemaker could
cause interference or failure of the pacemaker.
SKU 91979 For technical questions, please call 1-800-444-3353. Page 8
6. Never attempt to move the oven while it is hot.
7. Keep a fire extinguisher close at hand. Always keep a fully charged, commercial fire
extinguisher nearby the Oven in case of accidental fire.
8. Never leave the Oven unattended once it is turned ON. Turn off the Oven, and wait
until it has completely cooled before leaving.
9. Prior to turning ON the Oven, make sure to remove all tools and equipment from
inside the Oven.
10. Do not clean the Oven with cleaners that are combustible or corrosive.
11. Always unplug the Oven from its electrical supply source before performing any
inspection, maintenance, or cleaning procedures.
12. Make sure to read and understand all instructions and safety precautions as outlined
in the powder coating manufacturer’s manual.
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.
WARNING: People with pacemakers should consult their physician (s) before using this product.
Operation of electrical equipment in close proximity to a heart pacemaker could
cause interference or failure of the pacemaker.
WARNING: This product contains or, when used, produces a chemical known to the State of
California to cause cancer and birth defects or other reproductive harm. (California
Health & Safety Code 25249.5, et seq.)
Assembly/ Operation
Your Compact Powder Coat Oven comes completely assembled. It is important that you read the
entire manual to become familiar with the product BEFORE you use the Oven. Before using the
Oven be sure that you have all parts described in the Parts List and Assembly Diagram located on
the last pages of this manual.
1. Open the Oven Door and place the powder coated object on the floor of the Oven.
2. Close the Oven Door (6). Close the Adjustable Vent (7) located on the side of the Oven by
sliding the Adjustable Vent cap over the hole-see Figure 1 on the next page. Make sure the
cap is snugly in place.
3. Turn the Thermostat (1) to the desired temperature setting as recommended by the
manufacturer of the powder coating material-see Figure 2-next page. The temperature can
be set at a temperature between 0 and 480 degrees.
SKU 91979 For technical questions, please call 1-800-444-3353. Page 9
Adjustable Vent (7)
Figure 1
Thermostat (1)
Figure 2
4. When the Oven is plugged in the Mains ON Indicator Light (2) will illuminate. When the
Thermostat (1) is turned to any temperature the Heater ON Indicator Light (3) will illuminate.
5. Depending on the temperature set on the Thermostat (1), it may take up to one hour for the
Oven to reach and stabilize at the desired temperature. Once the Oven reaches the desired
temperature the Heater ON Indicator Light (3) will go off.
SKU 91979 For technical questions, please call 1-800-444-3353. Page 10
6. Typically, the complete Oven cycle time for a powder coated object is obtained by adding the
“heating up” time, and the “dwell” time. The heating up time is the time it takes for the Power
coated object to reach the desired temperature. The dwell time is the time required for the
powder to cure properly. To obtain the complete Oven cycle time, consult the manufacturer’s
manual of the object being powder coated.
7. Note the time until the Oven cycle time is completed. Once the cycle time is complete, turn
the Thermostat (1) to the OFF position. Open the Adjustable Vent (7) and allow the Oven to
cool.
8. After allowing considerable time for the Oven and the powder coated object to cool, open the
Oven Door (6). Carefully remove the powder coated object from the oven, and unplug the
electrical plug.
Replacing the Heater Element
CAUTION: Always disconnect the Oven from its electrical supply source and allow the Oven to
completely cool before performing any inspection, maintenance, or cleaning.
1. The Heater Element (8) is easily replaceable but it will still need to be serviced by a qualified
technician. Only a qualified service technician should perform the following steps:
Make certain that the Oven is unplugged. Make certain that the Oven has not been used for
a considerable amount of time and that it is completely cool.
2. Open the Front Door (6). Remove the perforated tray at the bottom of the Oven by
unscrewing the four screws. The Heater is located beneath the bottom tray.
3. Unclamp the Heater. Turn the Oven upside down. Because of the weight of the Oven, it is
recommended that two people lift and turn the Oven upside down.
4, Unscrew the Screws holding the bottom cover in place. Remove the connecting wires from
both ends of the Heater Element (8).
5. Replace the existing Heater Element (8) with a new one.
6. Replace the connecting wires at each end of the Heater Element (8). Replace the
bottom cover and thread the screws back into place. Clamp the Heater back into place. Turn
the Oven right side up. Replace the perforated tray at the bottom of the Oven and
thread in all four screws.
7. To test the Oven, see the Inspection, Maintenance and Cleaning section of this
manual.
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