WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
#DD6008 PRINTED IN TAIWAN
Page 2
This manual provides critical safety instructions on the proper setup,
operation, maintenance, and service of this machine/tool. Save this
document, refer to it often, and use it to instruct other operators.
Failure to read, understand and follow the instructions in this manual
may result in fire or serious personal injury—including amputation,
electrocution, or death.
The owner of this machine/tool is solely responsible for its safe use.
This responsibility includes but is not limited to proper installation in
a safe environment, personnel training and usage authorization,
proper inspection and maintenance, manual availability and comprehension, application of safety devices, cutting/sanding/grinding tool
integrity, and the usage of personal protective equipment.
The manufacturer will not be held liable for injury or property damage
from negligence, improper training, machine modifications or misuse.
Some dust created by power sanding, sawing, grinding, drilling, and
other construction activities contains chemicals known to the State
of California to cause cancer, birth defects or other reproductive
harm. Some examples of these chemicals are:
• Lead from lead-based paints.
• Crystalline silica from bricks, cement and other masonry products.
• 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 dust masks that are specially designed to filter
out microscopic particles.
We are proud to provide a high-quality owner’s
manual with your new machine!
We
instructions, specifications, drawings, and photographs
in this manual. Sometimes we make mistakes, but
our policy of continuous improvement also means
that
you receive is
slightly different than shown in the manual
If you find this to be the case, and the difference
between the manual and machine leaves you
confused or unsure about something
check our
website for an updated version. W
current
manuals and
on our web-
site at
Alternatively, you can call our Technical Support
for help. Before calling, make sure you write down
the
from
the machine ID label (see below). This information
is required for us to provide proper tech support,
and it helps us determine if updated documentation is available for your machine.
We stand behind our machines! If you have questions or need help, contact us with the information
below. Before contacting, make sure you get the
serial number
from the
machine ID label. This will help us help you faster.
We want your feedback on this manual. What did
you like about it? Where could it be improved?
Please take a few minutes to give us feedback.
Email: manuals@grizzly.com
Manual Accuracy
made every effort to be exact with the
sometimes the machine
,
www.grizzly.com.
Manufacture Date and Serial Number
manual updates for free
e post
Contact Info
and manufacture date
Grizzly Technical Support
1815 W. Battlefield
.
Springfield, MO 65807
Phone: (570) 546-9663
Email: techsupport@grizzly.com
Grizzly Documentation Manager
P.O. Box 2069
Bellingham, WA 98227-2069
Manufacture Date
Serial Number
Machine Description
This machine is designed to capture dust from
ambient air in a woodworking shop for a short
time after cutting or sanding operations. The air
is drawn in through the filter by a centrifugal fan
or "squirrel cage" impeller and filtered before it
returns to the workspace.
Depending on the size of the shop and layout of
the air filter in relation to the woodworking machinery, the air filter may be used in conjunction with
others.
-2-
Model G9956 (Mfg. Since 8/15)
Page 5
Eye Bolt
Identification
Remote
Control
Main Switch
Thermal
Breaker
Primary
Filter
Figure 1. Front and rear view of G9956 air filter.
Accessories
Some aftermarket accessories can be
installed on this machine that could cause
it to function improperly, increasing the risk
of serious personal injury. To minimize this
risk, only install accessories recommended
for this machine by Grizzly.
Power Cord
To reduce the risk of
serious injury when using
this machine, read and
understand this entire
manual before beginning
any operations.
H2451—1-Micron Washable Secondary Filter
1 micron bag for the Model G9956.
H2452—5-Micron Disposable Primary Filter
Disposable primary filter for the Model G9956.
Pull Chain Switch
ACCESSORIES
NOTICE
Refer to the newest copy of the Grizzly
Catalog for other accessories available for
this machine.
Model G9956 (Mfg. Since 8/15)
-3-
Page 6
Machine Data Sheet
mACHINe dATA
SHeeT
Customer Service #: (570) 546-9663 • To Order Call: (800) 523-4777 • Fax #: (800) 438-5901
Type ...........................................................................................................................................................................Cardboard
Length/Width/Height ............................................................................................................................................33" x 23" x 20"
Switch Voltage ................................................................................................................................................................... 120V
Cord Length ..........................................................................................................................................................................6 ft.
Included Plug ........................................................................................................................................................................Yes
Recommended Plug & Receptacle .......................................................................................................................... NEMA 5-15
1
⁄8" x 19 7⁄8" x 16 3⁄8"
Motors:
Fan
Type ..........................................................................................................................................................TEFC Induction
Voltage ..................................................................................................................................................................... 120V
Number of Speeds ..........................................................................................................................................................5
Power Transfer ........................................................................................................................................................ Direct
Bearings .....................................................................................................................Shielded and Permanently Sealed
1
⁄3 HP
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Model G9956 (Mfg. Since 8/15)
Page 7
Main Specifications:
Operation Information
Air Suction Capacity .........................................................................................................................................1400 CFM
Impeller Type ...............................................................................................................................................Squirrel Cage
Number of Filters .............................................................................................................................................................2
Primary Filter Type ............................................................................................................................................. Filter Net
ISO Factory ................................................................................................................................................................. ISO 9001
Country Of Origin ............................................................................................................................................................ Taiwan
Warranty ........................................................................................................................................................................... 1 Year
Serial Number Location ..................................................................................................................................Machine ID Label
Assembly Time ......................................................................................................................................................... 30 Minutes
1
⁄4" x 19 1⁄4" x 7⁄8"
⁄2"
Features:
Programmable Remote Control
2-Stage Filtration
Model G9956 (Mfg. Since 8/15)
-5-
Page 8
SECTION 1: SAFETY
For Your Own Safety, Read Instruction
Manual Before Operating This Machine
The purpose of safety symbols is to attract your attention to possible hazardous conditions.
This manual uses a series of symbols and signal words intended to convey the level of importance of the safety messages. The progression of symbols is described below. Remember that
safety messages by themselves do not eliminate danger and are not a substitute for proper
accident prevention measures. Always use common sense and good judgment.
Indicates an imminently hazardous situation which, if not avoided,
WILL result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
COULD result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
MAY result in minor or moderate injury. It may also be used to alert
against unsafe practices.
This symbol is used to alert the user to useful information about
NOTICE
proper operation of the machine.
Safety Instructions for Machinery
OWNER’S MANUAL. Read and understand this
owner’s manual BEFORE using machine.
TRAINED OPERATORS ONLY. Untrained operators have a higher risk of being hurt or killed.
Only allow trained/supervised people to use this
machine. When machine is not being used, disconnect power, remove switch keys, or lock-out
machine to prevent unauthorized use—especially
around children. Make your workshop kid proof!
DANGEROUS ENVIRONMENTS. Do not use
machinery in areas that are wet, cluttered, or have
poor lighting. Operating machinery in these areas
greatly increases the risk of accidents and injury.
MENTAL ALERTNESS REQUIRED. Full mental
alertness is required for safe operation of machinery. Never operate under the influence of drugs or
alcohol, when tired, or when distracted.
ELECTRICAL EQUIPMENT INJURY RISKS. You
can be shocked, burned, or killed by touching live
electrical components or improperly grounded
machinery. To reduce this risk, only allow qualified
service personnel to do electrical installation or
repair work, and always disconnect power before
accessing or exposing electrical equipment.
DISCONNECT POWER FIRST.
nect machine from power supply BEFORE making
adjustments, changing tooling, or servicing machine.
This prevents an injury risk from unintended startup
or contact with live electrical components.
EYE PROTECTION. Always wear ANSI-approved
safety glasses or a face shield when operating or
observing machinery to reduce the risk of eye
injury or blindness from flying particles. Everyday
eyeglasses are NOT approved safety glasses.
Always discon-
-6-
Model G9956 (Mfg. Since 8/15)
Page 9
WEARING PROPER APPAREL. Do not wear
clothing, apparel or jewelry that can become
entangled in moving parts. Always tie back or
cover long hair. Wear non-slip footwear to reduce
risk of slipping and losing control or accidentally
contacting cutting tool or moving parts.
HAZARDOUS DUST. Dust created by machinery
operations may cause cancer, birth defects, or
long-term respiratory damage. Be aware of dust
hazards associated with each workpiece material. Always wear a NIOSH-approved respirator to
reduce your risk.
HEARING PROTECTION. Always wear hearing protection when operating or observing loud
machinery. Extended exposure to this noise
without hearing protection can cause permanent
hearing loss.
REMOVE ADJUSTING TOOLS. Tools left on
machinery can become dangerous projectiles
upon startup. Never leave chuck keys, wrenches,
or any other tools on machine. Always verify
removal before starting!
USE CORRECT TOOL FOR THE JOB. Only use
this tool for its intended purpose—do not force
it or an attachment to do a job for which it was
not designed. Never make unapproved modifications—modifying tool or using it differently than
intended may result in malfunction or mechanical
failure that can lead to personal injury or death!
AWKWARD POSITIONS. Keep proper footing
and balance at all times when operating machine.
Do not overreach! Avoid awkward hand positions
that make workpiece control difficult or increase
the risk of accidental injury.
CHILDREN & BYSTANDERS. Keep children and
bystanders at a safe distance from the work area.
Stop using machine if they become a distraction.
GUARDS & COVERS. Guards and covers reduce
accidental contact with moving parts or flying
debris. Make sure they are properly installed,
undamaged, and working correctly BEFORE
operating machine.
FORCING MACHINERY. Do not force machine.
It will do the job safer and better at the rate for
which it was designed.
NEVER STAND ON MACHINE. Serious injury
may occur if machine is tipped or if the cutting
tool is unintentionally contacted.
STABLE MACHINE. Unexpected movement during operation greatly increases risk of injury or
loss of control. Before starting, verify machine is
stable and mobile base (if used) is locked.
USE RECOMMENDED ACCESSORIES. Consult
this owner’s manual or the manufacturer for recommended accessories. Using improper accessories will increase the risk of serious injury.
UNATTENDED OPERATION. To reduce the
risk of accidental injury, turn machine OFF and
ensure all moving parts completely stop before
walking away. Never leave machine running
while unattended.
MAINTAIN WITH CARE. Follow all maintenance
instructions and lubrication schedules to keep
machine in good working condition. A machine
that is improperly maintained could malfunction,
leading to serious personal injury or death.
DAMAGED PARTS. Regularly inspect machine
for damaged, loose, or mis-adjusted parts—or
any condition that could affect safe operation.
Immediately repair/replace BEFORE operating
machine. For your own safety, DO NOT operate
machine with damaged parts!
MAINTAIN POWER CORDS. When disconnecting cord-connected machines from power, grab
and pull the plug—NOT the cord. Pulling the cord
may damage the wires inside. Do not handle
cord/plug with wet hands. Avoid cord damage by
keeping it away from heated surfaces, high traffic
areas, harsh chemicals, and wet/damp locations.
EXPERIENCING DIFFICULTIES. If at any time
you experience difficulties performing the intended operation, stop using the machine! Contact our
Technical Support at (570) 546-9663.
Model G9956 (Mfg. Since 8/15)
-7-
Page 10
To reduce risk of start-
To reduce risk of injuries due to fil-
Additional Safety for Air Filters
Long-term respiratory damage can occur from using this filter to capture hazardous dust
without proper use of a respirator. Collecting flammable or combustible liquids, vapors, or
explosive dusts can cause fire or explosions, resulting in smoke inhalation, serious burns,
or death. An improperly secured air filter can fall, causing head injuries. To reduce the risk of
these hazards, operator and bystanders MUST completely heed hazards and warnings below.
LUNG PROTECTION. Fine dust that is too small
to be caught in filter will be blown into ambient
air during operation. Always wear a NIOSHapproved respirator during operation and for a
short time after to reduce your risk of permanent
respiratory damage.
INTENDED USE. Using this filter regularly to
collect prohibited materials can result in serious
health problems. It is only designed to capture
dust from ambient air in a woodworking shop for
a short time after cutting or sanding operations.
DO NOT use to collect particles of silica, polyurethane, metal, lead paint, asbestos, or hazardous
bacterium. DO NOT allow filter to collect explosive
dusts, flammable, or combustible liquids or fumes,
burning or smoking material, or toxic fumes. DO
NOT connect directly to air filtration system. Only
operate with filters installed.
HAZARDOUS DUST. Dust exposure may cause
cancer, birth defects, or long-term respiratory
damage. Be aware of dust hazards associated
with each workpiece material, and always wear
a NIOSH-approved respirator to reduce your risk.
DUST ALLERGIES. Dust from certain woods
may cause an allergic reaction in people and
animals. Make sure you know what type of wood
dust you will be exposed to in case of an allergic
reaction.
POWER DISCONNECT. Turn switch OFF, dis-
connect air filter from power supply, and allow
impeller to come to a complete stop before doing
any cleaning, maintenance, or service.
OPERATING LOCATION. DO NOT operate the
air filter in rainy or wet locations—exposure to
water may create a shock hazard or decrease the
life of the machine.
REGULAR CLEANING.
ing fire, regularly clean surrounding area where
machine is operated. Excessive fine dust buildup
on overhead lights, heaters, electrical panels,
or other heat sources can increase risk of fire.
Regularly check/clean/change filters to avoid fine
dust buildup.
EMPTYING DUST. To reduce exposure to wood
dust when removing dust from filters, which may
increase risk of allergic reactions or respiratory
problems, always turn switch OFF, disconnect
power, and wear a respirator and safety glasses.
To reduce fire and explosion risk, empty dust
away from ignition sources and into an approved
container.
SUSPENDED DUST PARTICLES AND IGNITION
SOURCES. To reduce risk of death or injury
caused by explosions or fires, DO NOT operate filter in areas where these risks are high, including,
but not limited to, spaces near pilot lights, open
flames, or other ignition sources.
MOUNTING.
ter falling, secure it to load-bearing joists or wall
studs that can support its weight. Do not mount
unit only to sheet rock, pressboard, paneling, or
honeycomb ceiling panels with expansion-type
fasteners, which can easily tear out.
-8-
Model G9956 (Mfg. Since 8/15)
Page 11
SECTION 2: POWER SUPPLY
Before installing the machine, consider the availability and proximity of the required power supply
circuit. If an existing circuit does not meet the
requirements for this machine, a new circuit must
be installed. To minimize the risk of electrocution,
fire, or equipment damage, installation work and
electrical wiring must be done by an electrician or
qualified service personnel in accordance with all
applicable codes and standards.
or equipment damage
may occur if machine is
not properly grounded
and connected to power
The full-load current rating is the amperage a
machine draws at 100% of the rated output power.
On machines with multiple motors, this is the
amperage drawn by the largest motor or sum of all
motors and electrical devices that might operate
at one time during normal operations.
The full-load current is not the maximum amount
of amps that the machine will draw. If the machine
is overloaded, it will draw additional amps beyond
the full-load rating.
If the machine is overloaded for a sufficient length
of time, damage, overheating, or fire may result—
especially if connected to an undersized circuit.
To reduce the risk of these hazards, avoid overloading the machine during operation and make
sure it is connected to a power supply circuit that
meets the specified circuit requirements.
For your own safety and protection of
Note: Circuit requirements in this manual apply to
a dedicated circuit—where only one machine will
be running on the circuit at a time. If machine will
be connected to a shared circuit where multiple
machines may be running at the same time, consult an electrician or qualified service personnel to
ensure circuit is properly sized for safe operation.
A power supply circuit includes all electrical
equipment between the breaker box or fuse panel
in the building and the machine. The power supply circuit used for this machine must be sized to
safely handle the full-load current drawn from the
machine for an extended period of time. (If this
machine is connected to a circuit protected by
fuses, use a time delay fuse marked D.)
This machine is prewired to operate on a power
supply circuit that has a verified ground and meets
the following requirements:
process. DO NOT connect to power until
Availability
Electrocution, fire, shock,
Serious injury could occur if you connect
machine to power before completing setup
instructed later in this manual.
Circuit Requirements
Nominal Voltage ........................................120V
Power Supply Circuit ......................... 15 Amps
supply.
Full-Load Current Rating
Full-Load Current Rating at 120V ....... 3 Amps
Model G9956 (Mfg. Since 8/15)
property, consult an electrician if you are
unsure about wiring practices or electrical
codes in your area.
-9-
Page 12
Improper connection of the equipment-grounding
wire can result in a risk of electric shock. The
wire with green insulation (with or without yellow
stripes) is the equipment-grounding wire. If repair
or replacement of the power cord or plug is necessary, do not connect the equipment-grounding
wire to a live (current carrying) terminal.
Check with a qualified electrician or service personnel if you do not understand these grounding
requirements, or if you are in doubt about whether
the tool is properly grounded. If you ever notice
that a cord or plug is damaged or worn, disconnect it from power, and immediately replace it with
a new one.
We do not recommend using an extension cord
with this machine.
cord, only use it if absolutely necessary and only
on a temporary basis.
Extension cords cause voltage drop, which can
damage electrical components and shorten motor
life. Voltage drop increases as the extension cord
size gets longer and the gauge size gets smaller
(higher gauge numbers indicate smaller sizes).
Any extension cord used with this machine must
be in good condition and contain a ground wire
and matching plug/receptacle. Additionally, it must
meet the following size requirements:
Grounding & Plug Requirements
it will not fit the outlet, have a qualified
electrician install the proper outlet with a
This machine MUST be grounded. In the event
of certain malfunctions or breakdowns, grounding
reduces the risk of electric shock by providing a
path of least resistance for electric current.
This machine is equipped with a power cord that
has an equipment-grounding wire and a grounding
plug. Only insert plug into a matching receptacle
(outlet) that is properly installed and grounded in
accordance with all local codes and ordinances.
DO NOT modify the provided plug!
GROUNDED
5-15 RECEPTACLE
Grounding Prong
5-15 PLUG
Extension Cords
If you must use an extension
Neutral Hot
Figure 2. Typical 5-15 plug and receptacle.
SHOCK HAZARD!
Two-prong outlets do not meet the grounding
requirements for this machine. Do not modify
or use an adapter on the plug provided—if
This machine was carefully packaged for safe
transport. When unpacking, separate all enclosed
items from packaging materials and inspect them
for shipping damage.
,
please
IMPORTANT:
you are completely satisfied with the machine and
have resolved any issues between Grizzly or the
shipping agent. You MUST have the original pack-
aging to file a freight claim. It is also extremely
helpful if you need to return your machine later.
Keep children and pets away
from plastic bags or packing
materials shipped with this
The following is a list of items shipped with your
machine. Before beginning setup, lay these items
out and inventory them.
If any non-proprietary parts are missing (e.g. a
nut or a washer), we will gladly replace them; or
for the sake of expediency, replacements can be
obtained at your local hardware store.
Needed for Setup
The following are needed to complete the setup
process, but are not included with your machine.
Description Qty
• Additional People ................................... 1–2
• Safety Glasses Per Person ........................ 1
If you cannot find an item on this list, carefully check around/inside the machine and
packaging materials. Often, these items get
lost in packaging materials while unpacking or they are pre-installed at the factory.
-11-
Page 14
power supply receptacle. The machine is now connected to the power source.
out of the receptacle. Do not pull by the cord as this may damage the wires inside.
Power Connection
Test Run
To avoid unexpected startups or property damage, use the following steps whenever connecting
or disconnecting the machine.
Connecting Power
1. Set the main switch to "Remote Control."
2. Insert the power cord plug into a matching
power supply receptacle. The machine is
now connected to the power source.
Figure 4. Connecting power.
Disconnecting Power
1. Turn the switch to "Remote Control."
2. Grasp the molded plug and pull it completely
out of the receptacle. Do not pull by the cord
as this may damage the wires inside.
Before you install the model G9956, bench-test
the unit to make sure it runs properly.
Note: Do not be alarmed if you notice a small
amount of vibration during the Test Run. It is normal for all air filters to produce a small amount of
vibration during operation. This vibration is much
more noticeable when operating on a hard surface, such as a workbench, compared to when
operating in a suspended position, as designed.
If, during the test run, you cannot easily locate
the source of an unusual noise or vibration, stop
using the machine immediately, disconnect it
from power, then review the Troubleshooting on
Page 20.
If you still cannot remedy a problem, contact our
Tech Support at (570) 546-9663 for assistance.
To test run the machine:
1. Place the air filter unit on the floor or a sturdy
workbench.
2. Push the main switch to "Remote Control."
This will ensure the air filter is OFF.
3. Connect the unit to the power source.
4. Push the main switch to "No Remote Control,"
then pull the switch chain to turn the fan ON.
Figure 5. Disconnecting power.
Remote Control
Install the included 9V battery in the remote control. Refer to Page 21 for additional information.
-12-
7. Listen to and watch for abnormal noises or
actions. The machine should run smoothly
without rubbing noises.
8. Pull the switch chain to turn the fan OFF.
9. Set the main switch to "Remote Control."
10. Push the ON/HR button on the remote control
to turn the air filter ON, then push OFF to turn
the filter OFF.
Model G9956 (Mfg. Since 8/15)
Page 15
Site Planning
Site planning is an important step to maximize the
effectiveness of the hanging air filter. Air circulation
must be thought out and all obstructions to the air
path considered.
Think of air circulation in terms of the circular
motion of the air before and after the air filter. The
air exiting the filter is exhausted at a higher velocity than that entering it. Consequently, exhaust
being vented inside a building can have an effect
on the pattern of air circulation.
Air circulation patterns will vary depending upon
which method is used and according to your specific shop setup. You can direct the flow of circulation on the air filter with the vents on the rear of
the machine. These can optimize good layout and
circulation, as shown in the Figure below.
The directional vents will have little effect if the air
filter
in
Figure
below
lost and circulation is diminished.
Below is a list of things to keep in mind when
selecting a
• Study your shop layout to determine the best
location for the hanging air filter. The air filter
• The air filter works most effectively when hung
in front of sanders or areas where sanding is
• Do not hang the air filter where garage doors
• Hang the air filter where it can be accessed
easily for operation and cleaning.
is placed too close to obstructions, resulting
poor air circulation, as shown in the
. In this situation, the velocity of the air is
Filter
Figure 7. Poor air circulation. Placed too close
to the wall, the air circulation short cycles, leav-
ing much of the room unfiltered.
Filter
Figure 6. Good air circulation. The air filter
placement promotes circular air motion.
location to hang the air filter:
must have at least 12" of clearance all the
way around or the airflow will short-cycle.
being done with hand-held equipment.
will pass closely by or where it may impede
transport or movement of any other object.
Model G9956 (Mfg. Since 8/15)
-13-
Page 16
It is very important that the hanging air filter
be supported properly. Please follow these
guidelines when planning where to mount the
unit:
• Where the eye bolts attach is the top of
the unit. The hanging air filter can only be
secured by the eye bolts on its top.
• Make sure that an electrical outlet with a
properly grounded receptacle is available at
the location you choose.
•The air filter must be supported by joists
or studs capable of supporting at least 150
lbs when mounting the unit with eye bolts.
DO NOT attach the hanging air filter to
sheet rock, press board or paneling. These
materials cannot support the filter, and it may
fall.
• Avoid hitting your head on the hanging air
filter. Make sure there is enough clearance
between the unit and the ground, especially
important in a basement. If possible, position
the air filter in an area that has little foot traffic,
but still offers easy access to the switch and
filters.
Mounting
ONLY mount the air filter unit to joists, wall
studs, or table that can hold at least 150 lbs.
DO NOT mount the unit only to sheet rock,
pressboard, paneling, or honeycomb wall
panels with expansion-type fasteners. The
fasteners can tear out and the air filter can
fall. Ignoring this caution can result in injury
or property damage.
⁄4" Drill Bit ...........................................................1
Additional People ........................................... 1-2
To make the unit operate at the optimum height
of 7' from the floor, we recommend installing the
air filter unit in your shop by hanging it with lag
eye bolts, chain, and S-hooks.
Model G9956 (Mfg. Since 8/15)
Page 17
Attaching Eye Bolts
1
1. If the
eye bolts, thread one onto each eye.
⁄4"-20 hex nuts are not already on the
3. Thread the lag eye bolts into the pilot holes,
as shown in Figure 9. Be sure to thread the
1
bolts at least 1
/2" into the joists.
2. Thread one eye bolt into each hole on the top
of the double air filter, as shown in Figure 8,
using as much of the available thread as possible.
Eye Bolt
1
⁄4"-20
Hex Nut
Figure 8. Location to install eye bolts.
3. Tighten the hex nut on each eye bolt until the
eyes will not move by hand. DO NOT over
tighten.
Note: DO NOT use hooks in place of lag eye
bolts. If the double air filter is bumped it could
fall.
Joist
S-Hook
Lag
Eye Bolt
In Joist
Eye Bolts
on Filter
Figure 9. Model G9956 hanging from joists.
4. Measure the desired length of your chains
from the eye bolts. Remember to account for
the S-hooks and eye bolts on the double air
filter.
Installing Air Filter
1. Locate the applicable load bearing studs
or joists—or if the ceiling has sheet rock or
some other covering, locate the joists with a
stud finder and mark their centers.
1
2. Pre-drill
joists. This will make threading the lag eye
bolts much easier and reduce the risk of splitting the joists.
/4" pilot holes into the marks on the
5. Cut the chain to equal lengths and attach an
S-hook to each end.
6. Secure a length of chain to each mounting
eye.
7. GET SOME HELP! With at least one other
person supporting the weight of the double
air filter, connect the chains to the lag eye
bolts. Optimally, the unit should hang 7' off
the floor when finished.
Model G9956 (Mfg. Since 8/15)
-15-
Page 18
SECTION 4: OPERATIONS
Damage to your eyes and lungs could result
from using this machine without proper protective gear. Always wear safety glasses and
a respirator when operating this machine.
Operation Controls
The Model G9956 Double Air Filter can be operated at the machine or with the remote control.
Remote Control
1. Connect power to the air filter.
2. Set the main switch to “Remote Control.”
3. Push the ON/HR button on the remote control
to turn the air filter ON. Push OFF to turn it
OFF.
Note: The remote control communicates with
the air filter using infrared (IR) and must be
pointed directly at the control panel.
At Machine
1. Connect power to the air filter.
2. Set the main (red) switch (see Figure 10) to
“No Remote Control.”
Note: The remote control will not work when
the main switch is in this position.
Main
Switch
Pull Chain Switch
Figure 10. Air filter control panel.
3. Pull the switch chain to turn the fan ON and
OFF.
-16 -
Model G9956 (Mfg. Since 8/15)
Page 19
Fan Speeds & Timer
ON/HROFF
CONTINUE
HOUR
2468
SPEED
You can adjust the fan speed and the length of
time the air filter operates by programming it with
the included remote control. The ON/HR button
allows you to toggle between fan speed and timer
control functions.
The five speed lights correspond to the five fan
speeds. The following table shows the correlation
between the number of lights illuminated on the
remote and the fan speed.
No. of LightsFan Speed
1800
2900
31000
4110 0
51200
Setting Fan Speed
1. Press the ON/HR button (see Figure 11)
once to start the fan. The fan should start to
run.
—If one or more of the lower lights
comes on, press ON/HR again.
SPEED
2. Increase the fan speed by pressing the
increase button (the right hand pointer).
—Each time this button is pressed, the
fan speed increases. The light for the
selected fan speed illuminates on the
remote control.
3. Decrease fan speed by pressing the decrease
button designated by the left hand pointer.
Setting Fan Timer
1. After setting the fan speed, press the ON/HR
button.
—If some or all of the lights in the upper
row come on, press the ON/HR button
once more.
2. Press the increase button to increase the
amount of time the fan runs before automatically shutting off.
—Each time this button is pressed, the
amount of time increases by two hours,
up to a maximum 8 hour cycle. The
light for the selected time illuminates
on the remote control (see Figure 12).
Hour
Light
at
6 Hours
HOUR
2468
CONTINUE
Decrease
ON
Button
Figure 11. Example of fan speed set at 3.
ON/HROFF
Model G9956 (Mfg. Since 8/15)
Increase
OFF
Button
Figure 12. Example of time set for 6 hours of
operation.
3. Decrease the amount of time the fan runs
before automatically shutting off by pressing
the decrease button.
Note: If the automatic shutoff feature will not
be used, press the decrease button until the
continue light is illuminated.
-17-
Page 20
Filtering
Performance
The Model G9956 will recirculate the volume of
air in a 20' x 20' x 8' room approximately 26 times
in one hour.
We recommend that the volume of air in your
room be recirculated at least 6-8 times every
hour. Therefore, rooms with a larger volume will
require two or more air filters to achieve proper
filtering.
To calculate the recirculating rate for your
shop space:
Step 1: Use the formula below to calculate how
long it takes to circulate all the volume of air in a
room with the double air filter; where W = Width, L
= Length and H = Height of your room, in feet. The
maximum rate of air movement for the air filter is
1400 CFM.
Machine Storage
When the air filter is not in use, unplug the power
cord from the power source. Place the cord away
from potential damage sources, such as high
traffic areas, sharp objects, heat sources, harsh
chemicals, water, damp areas, etc.
W' x L' x H'
CFM
Example: 20' x 20' x 8'
Step 2: Calculate how many times per hour the
volume is recirculated through the double air filter
by dividing 60 minutes by the circulating time from
Step 1. The result is listed as times per hour.
Example: 60
= Minutes for circulating 1 time
3200
1400
2.29
=
= 26.2 Times per Hour
= 2.29 Minutes
1400
-18-
Model G9956 (Mfg. Since 8/15)
Page 21
SECTION 5: MAINTENANCE
Cleaning Filters
The frequency of use directly affects how often
the filters must be cleaned or serviced.
To maintain optimal operation, check the filters
approximately every 40 hours of use in light or
moderately dusty environments. In very dusty
environments, check the filters every eight hours
of use. Always wear a respirator when checking,
changing, or servicing the filters.
Unplug air filter before
performing all maintenance
procedures. Ignoring this
warning may result in
serious personal injury to
you or others!
2. Lift the primary filter so it clears the retaining
rim (see Figure 13), remove it, and examine
it. Place the filter in a trash bag and shake it
gently to remove the bulk of the dust.
Primary
Filter
Secondary
Filter
Figure 13. Filters exposed for cleaning.
3. Remove the secondary filter, place it inside a
trash bag, and gently shake the dust from the
inside of the filter.
Always wear a respirator
and safety glasses when
cleaning the filters. Sawdust
may cause allergic reactions
or respiratory problems.
To change and service the filters:
1. DISCONNECT MACHINE FROM POWER!
DO NOT use compressed air to blow out the
primary or secondary filters in the following
steps. If you do, you will damage the filters
and reduce filtering quality.
Optional: Wash the secondary filter with
water to remove the remaining dust, then let
it dry completely.
4. Vacuum out the inside of the air filter housing.
5. Re-install both filters.
Note: The filters can be cleaned several times
before replacement becomes necessary. To d e t ermine whether the filters need to be replaced, hold
them up to the sunlight and visually inspect them
after cleaning. If you can see a lot of light through
them, the filters do not need to be replaced. If you
cannot see a lot of light through them after cleaning, replace the filters.
Model G9956 (Mfg. Since 8/15)
-19 -
Page 22
SECTION 6: SERVICE
Review the troubleshooting and procedures in this section if a problem develops with your machine. If you
need replacement parts or additional help with a procedure, call our Technical Support at (570) 546-9663.
Note:Please gather the serial number and manufacture date of your machine before calling.
To reduce the risk of serious personal injury or damage to the machine, any repairs not covered in this
manual should only be performed by or with the assistance of qualified service personnel.
Troubleshooting
Motor & Electrical
SymptomPossible CausePossible Solution
Machine does
not start or a
breaker trips.
Machine stalls
or is underpowered.
Machine has
vibration or
noisy operation.
1. Dead battery or out of range.
2. Power supply switched OFF or is at fault.
3. Wall circuit breaker tripped.
4. Circuit breaker on air filter tripped.
5. Wiring is open/has high resistance.
6. Receiver at fault.
7. Main switch or pull chain switch is at fault.
8. Motor at fault.
1. Run capacitor at fault.
2. Motor wired incorrectly.
3. Plug/receptacle at fault.
4. Motor bearings at fault.
5. Motor overheated.
6. Motor at fault.
1. Motor or component loose.
2. Motor fan rubbing on fan cover.
3. Motor bearings at fault.
1. Replace battery (Page 21); stay in signal range.
2. Ensure power supply is ON/has correct voltage.
3. Ensure circuit size is correct/replace weak breaker.
4. Reset air filter circuit breaker.
5. Check/fix broken, disconnected, or corroded wires.
6. Inspect/replace if faulty.
7. Replace faulty switch.
8. Test/repair/replace.
1. Test/repair/replace.
2. Wire motor correctly.
3. Test for good contacts/correct wiring.
4. Test/repair/replace.
5. Clean filters to reduce load on motor.
6. Test/repair/replace.
1. Inspect/replace damaged bolts/nuts, and
re-tighten with thread locking fluid.
2. Fix/replace fan cover; replace loose/damaged fan.
3. Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
Air Filter Operations
SymptomPossible CausePossible Solution
Loud, repetitious
noise, or excessive
vibration coming
from air filter.
Air filter does
not adequately
collect dust; poor
performance.
-20-
1. Air filter is not mounted properly and
wobbles.
2. The motor mounting is loose.
3. Impeller is loose on the motor shaft,
damaged or unbalanced.
4. Motor fan housing is dented, causing the
motor fan blade to hit the housing while
spinning.
1. The primary or secondary filter are dirty.1. Clean or replace the filters.
1. Stabilize the air filter.
2. Make sure all fasteners on the air filter are tight.
3. Unplug air filter, and inspect the impeller for dents,
bends, loose fins. Replace the motor and impeller
as a set if the motor shaft and the impeller hub is
damaged.
4. Replace motor fan housing.
Model G9956 (Mfg. Since 8/15)
Page 23
Remote Control
Battery Replacement
The remote control uses one 9V battery. To
replace it, remove the battery compartment cover
(see Figure 14), install a new battery, and replace
the cover.
Tip: If you use the air filter infrequently, remove
the battery when the unit is not used. This will
reduce battery drainage from the remote control.
Battery
Cover
Figure 14. Remote control battery compartment
cover removed.
Model G9956 (Mfg. Since 8/15)
-21-
Page 24
These pages are current at the time of printing. However, in the spirit of improvement, we may make changes to the electrical systems of future machines. Compare the manufacture date of your machine to the one
number and manufacture date of your
machine before calling. This information can be found on the main machine label.
machine
SECTION 7: WIRING
stated in this manual, and study this section carefully.
If there are differences between your machine and what is shown in this section, call Technical Support at
(570) 546-9663 for assistance BEFORE making any changes to the wiring on your machine. An updated
wiring diagram may be available. Note:Please gather the serial
Wiring Safety Instructions
SHOCK HAZARD. Working on wiring that is con-
nected to a power source is extremely dangerous.
Touching electrified parts will result in personal
injury including but not limited to severe burns,
electrocution, or death. Disconnect the power
from the machine before servicing electrical components!
MODIFICATIONS. Modifying the wiring beyond
what is shown in the diagram may lead to unpredictable results, including serious injury or fire.
This includes the installation of unapproved aftermarket parts.
WIRE CONNECTIONS. All connections must
be tight to prevent wires from loosening during
machine operation. Double-check all wires disconnected or connected during any wiring task to
ensure tight connections.
CIRCUIT REQUIREMENTS. You MUST follow
the requirements at the beginning of this manual
when connecting your machine to a power source.
WIRE/COMPONENT DAMAGE. Damaged wires
or components increase the risk of serious personal injury, fire, or machine damage. If you notice
that any wires or components are damaged while
performing a wiring task, replace those wires or
components.
MOTOR WIRING. The motor wiring shown in
these diagrams is current at the time of printing
but may not match your machine. If you find this
to be the case, use the wiring diagram inside the
motor junction box.
CAPACITORS/INVERTERS. Some capacitors
and power inverters store an electrical charge for
up to 10 minutes after being disconnected from
the power source. To reduce the risk of being
shocked, wait at least this long before working on
capacitors.
EXPERIENCING DIFFICULTIES. If you are experiencing difficulties understanding the information
included in this section, contact our Technical
Support at (570) 546-9663.
The photos and diagrams
included in this section are
best viewed in color. You
can view these pages in
color at www.grizzly.com.
Model # ____________________ Order # _______________________ Serial # __________________
The following information is given on a voluntary basis. It will be used for marketing purposes to help us develop
better products and services. Of course, all information is strictly confidential.
1. How did you learn about us?
____ Advertisement ____ Friend ____ Catalog
____ Card Deck ____ Website ____ Other:
2. Which of the following magazines do you subscribe to?
____ Cabinetmaker & FDM
____ Family Handyman
____ Hand Loader
____ Handy
____ Home Shop Machinist
____ Journal of Light Cont.
____ Live Steam
____ Model Airplane News
____ Old House Journal
____ Popular Mechanics
3. What is your annual household income?
____ $20,000-$29,000 ____ $30,000-$39,000 ____ $40,000-$49,000
____ $50,000-$59,000 ____ $60,000-$69,000 ____ $70,000+
CUT ALONG DOTTED LINE
4. What is your age group?
____ 20-29 ____ 30-39 ____ 40-49
____ 50-59 ____ 60-69 ____ 70+
5. How long have you been a woodworker/metalworker?
____ 0-2 Years ____ 2-8 Years ____ 8-20 Years ____20+ Years
6. How many of your machines or tools are Grizzly?
____ 0-2 ____ 3-5 ____ 6-9 ____ 10+
____ Popular Science
____ Popular Woodworking
____ Precision Shooter
____ Projects in Metal
____ RC Modeler
____ Rie
____ Shop Notes
____ Shotgun News
____ Today’s Homeowner
____ Wood
7. Do you think your machine represents a good value? _____ Yes _____No
8. Would you recommend Grizzly Industrial to a friend? _____ Yes _____No
9. Would you allow us to use your name as a reference for Grizzly customers in your area?
Note: We never use names more than 3 times. _____ Yes _____No
GRIZZLY INDUSTRIAL, INC.
P.O. BOX 2069
BELLINGHAM, WA 98227-2069
Send a Grizzly Catalog to a friend:
Name_______________________________
Street_______________________________
City______________State______Zip______
TAPE ALONG EDGES--PLEASE DO NOT STAPLE
Page 31
WARRANTY & RETURNS
Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from
the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse,
negligence, accidents, repairs or alterations or lack of maintenance. This is Grizzly’s sole written warranty
and any and all warranties that may be implied by law, including any merchantability or fitness, for any particular purpose, are hereby limited to the duration of this written warranty. We do not warrant or represent
that the merchandise complies with the provisions of any law or acts unless the manufacturer so warrants.
In no event shall Grizzly’s liability under this warranty exceed the purchase price paid for the product and
any legal actions brought against Grizzly shall be tried in the State of Washington, County of Whatcom.
We shall in no event be liable for death, injuries to persons or property or for incidental, contingent, special,
or consequential damages arising from the use of our products.
To take advantage of this warranty, contact us by mail or phone and give us all the details. We will then issue
you a “Return Number,’’ which must be clearly posted on the outside as well as the inside of the carton. We
will not accept any item back without this number. Proof of purchase must accompany the merchandise.
The manufacturers reserve the right to change specifications at any time because they constantly strive to
achieve better quality equipment. We make every effort to ensure that our products meet high quality and
durability standards and we hope you never need to use this warranty.
Please feel free to write or call us if you have any questions about the machine or the manual.
Thank you again for your business and continued support. We hope to serve you again soon.
Page 32
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