AIR FILTRATION SYSTEM
WITH REMOTE CONTROL
Model 91393
ASSEMBLY AND OPERATING INSTRUCTIONS
®
3491 Mission Oaks Blvd., Camarillo, CA 93011
©
®
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, please call 1-800-444-3353.
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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 product should electrically malfunction or break down,
grounding provides a low resistance path to carry electricity away from the user.
5.
6.
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.
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.
8.
Do not expose this product to rain or wet conditions. Water entering an electric
product will increase the risk of electric shock.
Do not abuse the Power Cord. Never use the Power Cord to carry the product
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.
PERSONAL SAFETY
9.
Stay alert. Watch what you are doing, and use common sense when operating
a power product. Do not use a power product while tired or under the influence
of drugs, alcohol, or medication.
10.
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.
11.
12.
Avoid accidental starting. Be sure the Power Switch is off before plugging in.
Use safety equipment. Always wear eye protection. During installation and
maintenance use non-skid safety shoes and ANSI approved safety goggles.
TOOL USE AND CARE
13.
14.
Use the correct product for your application. The correct product will do the job
better and safer at the rate for which it is designed.
Do not use the power product if the Power Switch does not turn it on or off.
Any product that cannot be controlled with the Power Switch is dangerous and must
be replaced.
15.
Disconnect the Power Cord Plug from the power source before storing the
system.
SKU 91393
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16.
17.
18.
Store idle products out of reach of children and other untrained persons.
Products are dangerous in the hands of untrained users.
Maintain products with care. Keep products clean. Do not use a damaged
product. Tag damaged products “Do not use” until repaired.
Check for misalignment or binding of moving parts, breakage of parts, and
any other condition that may affect the product’s operation. If damaged, have
the product serviced before using. Many accidents are caused by poorly
maintained products.
SERVICE
20.
21.
Product service must be performed only by qualified repair personnel. Service
or maintenance performed by unqualified personnel could result in a risk of injury.
When servicing a product, 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.
SPECIFIC SAFETY RULES
1.
2.
Maintain labels and nameplates on the Air Filtration System. These carry
important information. If unreadable or missing, contact Harbor Freight Tools for a
replacement.
Maintain a safe working environment. Make sure there is adequate surrounding
workspace. Always keep the work area free of obstructions, grease, oil, trash, and
other debris. Do not use a power products in areas near flammable chemicals,
dusts, and vapors. Do not use this product in a damp or wet location.
3.
If placing this Air Filtration System on a table or shelf, make sure that the
machine is placed securely on a flat, level surface, capable of supporting the
weight of the machine.
4.
5.
6.
7.
If attaching the Air Filtration System to a ceiling, make sure the machine is
attached securely to joists capable of supporting the weight of the machine.
Make sure the Switch is in the “Off” position before plugging in the power
cord.
Keep the PleatedType Filter (1) and the 3-PocketType Filter (2) clean, in place,
and in good working order.
Always unplug the Air Filtration System from its electrical outlet before
performing any inspection, maintenance, or cleaning procedures.
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ADDITIONAL WARNINGS
GROUNDING
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 product. Never remove the grounding prong from the plug. Do not use the
product 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.
GROUNDED PRODUCT: PRODUCTS WITH THREE PRONG PLUGS
1.
Products 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 product 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.
3.
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 product’s grounding system and must never be
attached to an electrically “live” terminal. (See Figure A.)
Your product 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.)
FIGURE A
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DOUBLE INSULATED PRODUCTS: PRODUCTS WITH TWO PRONG PLUGS
4.
5.
Products 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 Stan-
dard Association, and the National Electrical Code. (See Figure B.)
Double insulated products may be used in either of the 120 volt outlets shown in
the following illustration. (See Figure B.)
FIGURE B
EXTENSION CORDS
1.
2.
Grounded tools require a three wire extension cord. Double Insulated tools
can use either a two or three wire extension cord.
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 product damage.
(See Figure C, next page.)
3.
4.
5.
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.)
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.)
If you are using one extension cord for more than one product, add the name
plate amperes and use the sum to determine the required minimum cord size.
(See Figure C.)
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6.
7.
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.
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 C
SYMBOLOGY
Double Insulated
Canadian Standards
Association
Underwriters
Laboratories, Inc.
Volts Alternating Current
V ~
Amperes
A
n
No Load Revolutions
per Minute (RPM)
o
xxxx/min.
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UNPACKING
When unpacking, check to make sure all the parts shown on the Parts List on
page 12 are included. If any parts are missing or broken, please call Harbor Freight Tools
at the number shown on the cover of this manual as soon as possible.
ASSEMBLY AND OPERATING INSTRUCTIONS
NOTE: For additional information regarding the parts listed in the following pages, refer
to the Assembly Diagram on page 13.
CAUTION: Always make sure the Power Cord of the Air Filtration System is unplugged
from its electrical outlet prior to making any adjustments to the product.
Note: If placing this Air Filtration System on a table or shelf, make sure that the
machine is placed securely on a flat, level surface, capable of supporting the
weight of the machine.
Note: If attaching the Air Filtration System to a ceiling, make sure the machine is
attached securely to joists capable of supporting the weight of the machine.
1.
2.
Locate the desired ceiling location and ceiling joists, upon which to attach the Air
Filtration System.
With assistance or lifting equipment (not included), raise the unit to the desired
location. Caution: Make sure other people or pets are well clear of the area during
this procedure.
3.
Align the four Hangers (32) (see the Assembly Drawing on page 13) with the ceiling
joists and measure for hook bolt location. Insert four hook bolts (not included)
through the ceiling into the underside of the ceiling joists.
Note: The hook bolts must be capable of supporting the weight of the Air Filtration
System, and be of compatible size with the Hangers (32). When hanging the
unit, make sure each Hanger (32) fits completely over the end of each hook bolt to
ensure a safe mounting of the Air Filtration System.
SKU 91393
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FIGURE 1
FIGURE 2
Red Standby
Mode Indicator
Speed
Indicators
Timer
Indicators
Pull
Chain (34)
CONTROL OPERATION
Note: These instructions apply to both the manual controls and the remote control. See
Figures 1 and 2.
1.
The Pull Chain (34) under the control panel switches between standby mode and
totally off. When in standby mode the unit will operate when the on/off button on the
remote or the panel is pressed. The Chain may break if pulled hard or abruptly.
This Chain may be used to stop the Air Filter System in the event of an emergency.
2.
3.
Press the “On/Off” button to activate the unit from standby mode. It switches on at
high power initially.
Press the “Speed” button once for high power, twice for medium, and three times for
low power. The three lights referred to as “Speed Indicators” in Figure 1 indicate,
from left to right; high, medium, and low speed.
4.
Press the “Timer” button once for 2 hour automatic shut off, or twice for 4 hour
automatic shut off. The three lights referred to as “Timer Indicators” in Figure 1
indicate, from left to right; on continuously (no timer), 2 hour timer, and 4 hour timer.
5.
6.
The lights between the Speed and Timer Buttons indicate the speed that the unit is
operating at. The faster the speed is the faster these lights flash.
To turn off the unit manually, press the Off button.
Note: To change batteries in the Remote Control (35);remove the back panel, replace the
two “AAA” batteries, then replace the back panel.
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INSPECTION, MAINTENANCE, AND CLEANING
1.
2.
WARNING! Make sure the Switch Box (19) of the Air Filtration System is in its
“OFF” position and that the product is unplugged from its electrical outlet before
performing any inspection, maintenance, or cleaning procedures.
BEFORE EACH USE, inspect the general condition of the Air Filtration System.
Check for loose screws, misalignment or binding of moving parts, cracked or bro-
ken parts, damaged electrical wiring, and any other condition that may affect its
safe operation. If abnormal noise or vibration occurs, have the problem corrected
before further use. Do not use damaged equipment.
3.
Periodically, inspect the Pleated Type Filter (1) for dirt and debris, and if necessary,
remove and change the Pleated Type Filter (1). On the rear of the unit lift the
Pleated Type Filter (1) so that its bottom edge clears the bottom lip of the opening.
Swing the bottom out and remove the Pleated Type Filter (1) and inspect it to see
whether it needs a simple cleaning, or it needs replacement. Reinsert the Pleated
Type Filter (1). See FIGURE 3.
FIGURE 3
Pleated Type
Filter (1)
3-Pocket Type
Filter (2)
Note: During this procedure, wear ANSI approved safety goggles and a dust mask.
4.
Periodically, inspect the 3-PocketType Filter (2) for dirt and debris, and if necessary,
remove and change the 3-Pocket Type Filter (2). Remove the Pleated Type Filter
(1), as explained above. Then, remove the 3-Pocket Type Filter (2) the same way
and inspect it. If necessary, use compressed air to blow dirt and debris from the 3-
Pocket Type Filter (2). Replace the 3-Pocket Type Filter (2) and the Pleated Type
Filter (1) in the rear of the unit. See FIGURE 3.
Note: Replacement filters are available from Harbor Freight:
ITEM 91524 - Pleated Type Filter (also part 1)
ITEM 91516 - 3-Pocket Type Filter (also part 2)
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Troubleshooting
Note: Any repairs suggested below should be completed by an authorized service
technician.
Trouble
Probable Cause
1. Blown fuse.
2. Switch is burned out.
3. Connection wire is
loose or damaged.
Correction
Motor does not run
when power switch
is pressed on.
1. Replace fuse.
2. Replace the Switch.
3. Tighten or replace
the wire.
Motor does not run
at full speed.
1. Power voltage is too low.
2. Motor is damaged.
1. Test voltage.
2. Check and repair motor.
Motor will not reach
full power.
1. Incorrect power wiring.
2. Overload.
1. Have the unit rewired
professionally.
2. Reduce load by clean-
ing filters as necessary.
Motor overheats.
1. Using wrong voltage.
2. Motor is damaged.
1. Verify that the outlet is
115 VAC.
2. Check and repair the
motor.
Insufficient suction
power.
1. Inlet port blocked.
2. 3-Pocket Type Filter is
full.
1. Clean inlet port.
2. Empty 3-Pocket Type
Filter.
3. Outlet port blocked.
3. Clean the outlet port or
adjust the direction of
the outlet.
Unit is shaking.
1. The unit isn’t properly
anchored.
1. Mount the unit firmly.
2. The unit isn’t level.
3. Worn or damaged
power cord.
2. Level the unit.
3. Repair or replace
power cord.
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PARTS LIST
Part
1
Description
Pleated Type Filter
3-Pocket Type Filter
Cross Head Screw
Fan Housing
Fan Blade
Qty. Part
Description
Round Head Screw
Hex Screw
Safety Net
Outlet Grill
Screw
Qty.
4
2
2
8
1
1
2
1
1
1
1
1
4
1
1
1
1
20
21
22
23
24
27
28
29
30
31
32
33
34
35
36
2
6
4
1
5
1
6
2
7
Air Guide Plate
Power Cord
Nut
Hex Head Screw
Round Head Screw
Washer
16
2
8
10
12
13
14
15
16
17
18
19
4
Bushing
Nut
4
Condenser
Motor
Handle
2
Hanger
4
Bushing
Nut
4
Set Screw
Pull Chain
Remote Control
Rubber Pad
1
Main Cabinet
Receiver
1
4
Switch Box
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND
ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE
MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION ORWARRANTY 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 STATESTHAT ALL REPAIRS AND PARTS
REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSEDTECHNICIANS, AND
NOT BYTHE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR
HER REPAIRSTOTHE ORIGINAL PRODUCT OR REPLACEMENT PARTSTHERETO, OR ARISING
OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTSTHERETO.
SKU 91393
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ASSEMBLY DIAGRAM
NOTE: Some parts are listed and shown for illustration purposes only, and are not
available individually as replacement parts.
SKU 91393
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