MODEL G0843P
TM
POLAR BEAR SERIES
12" DOUBLE DISC SANDER
OWNER'S MANUAL
(For models manufactured since 11/17)
COPYRIGHT © MARCH, 2018 BY GRIZZLY INDUSTRIAL, INC.
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
#ES19293 PRINTED IN CHINA
V1. 0 3.18
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.
Table of Contents
INTRODUCTION ............................................... 2
Contact Info.................................................... 2
Manual Accuracy ........................................... 2
Identification ................................................... 3
Machine Data Sheet ...................................... 4
SECTION 1: SAFETY ....................................... 6
Safety Instructions for Machinery .................. 6
Additional Safety for Disc Sanders ................ 8
SECTION 2: POWER SUPPLY ........................ 9
SECTION 3: SETUP ....................................... 11
Needed for Setup ......................................... 11
Unpacking .................................................... 11
Inventory ...................................................... 12
Site Considerations ...................................... 12
Bench Mounting ........................................... 13
Dust Collection ............................................. 13
Test Run ...................................................... 14
SECTION 4: OPERATIONS ........................... 15
Operation Overview ..................................... 15
Replacing Sanding Discs ............................. 16
Sanding Operations ..................................... 17
SECTION 5: ACCESSORIES ......................... 18
SECTION 6: MAINTENANCE ......................... 20
Schedule ...................................................... 20
Cleaning & Protecting .................................. 20
SECTION 7: SERVICE ................................... 21
Troubleshooting ........................................... 21
Table Gap & Parallelism .............................. 23
Calibrating Miter Gauge ............................... 24
Calibrating Table Tilt .................................... 24
SECTION 8: WIRING ...................................... 25
Wiring Safety Instructions ............................ 25
Wiring Diagram ............................................ 26
Electrical Components ................................. 26
SECTION 9: PARTS ....................................... 27
Main ............................................................. 27
Main Parts List ............................................. 28
Labels & Cosmetics ..................................... 29
WARRANTY & RETURNS ............................. 33
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
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.
INTRODUCTION
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
Manual Accuracy
made every effort to be exact with the
sometimes the machine
.
,
e post
manual updates for free
www.grizzly.com.
Manufacture Date and Serial Number
Manufacture Date
Serial Number
-2-
Model G0843P (Mfd. Since 11/17)
Identification
Become familiar with the names and locations of the controls and features shown below to better understand
the instructions in this manual.
Left
Table
Front
View
Locking
Table
Handle
Paddle Switch w/
Disabling Key
Scale
Pointers
Right
Sanding
Disc
Locking
Table
Handle
Right Sanding
Disc Guard
Right
Table
Miter
Gauge
Table
Slot
Rear
View
Left Sanding
Disc Guard
Left
Sanding
Disc
Table
Slot
2" Dust
Port
Locking Table
Handles
2" Dust
Port
For Your Own Safety Read Instruction Manual Before Operating Double Disc Sander
a) Wear eye and ear protection.
b) Support workpiece on table.
c) Maintain the smallest gap possible between the table and sanding disc.
d) Avoid kickback by sanding in accordance with directional arrows.
Model G0843P (Mfd. Since 11/17)
-3-
Machine Data Sheet
MACHINE DATA
SHEET
Customer Service #: (570) 546-9663 · To Order Call: (800) 523-4777 · Fax #: (800) 438-5901
MODEL G0843P 12" DOUBLE DISC SANDER ‐ POLAR BEAR
SERIES
Product Dimensions:
Weight................................................................................................................................................................ 79 lbs.
Width (side-to-side) x Depth (front-to-back) x Height..................................................................... 29-1/2 x 16 x 16 in.
Footprint (Length x Width)............................................................................................................................ 25 x 16 in.
Shipping Dimensions:
Type..................................................................................................................................................... Cardboard Box
Content........................................................................................................................................................... Machine
Weight................................................................................................................................................................ 84 lbs.
Length x Width x Height....................................................................................................................... 26 x 19 x 18 in.
Must Ship Upright................................................................................................................................................... Yes
Electrical:
Power Requirement............................................................................................................ 110V, Single-Phase, 60Hz
Full-Load Current Rating.......................................................................................................................................... 7A
Minimum Circuit Size.............................................................................................................................................. 15A
Connection Type....................................................................................................................................... Cord & Plug
Power Cord Included.............................................................................................................................................. Yes
Power Cord Length................................................................................................................................................. 6 ft.
Power Cord Gauge......................................................................................................................................... 16 AWG
Plug Included.......................................................................................................................................................... Yes
Included Plug Type.................................................................................................................................... NEMA 5-15
Switch Type.................................................................................................. Paddle Safety Switch w/Removable Key
Motors:
Main
Horsepower............................................................................................................................................. 3/4 HP
Phase............................................................................................................................................ Single-Phase
Amps.............................................................................................................................................................. 7A
Speed................................................................................................................................................ 1720 RPM
Type.................................................................................................................. TEFC Run-Capacitor Induction
Power Transfer ............................................................................................................................... Direct Drive
Bearings........................................................................................................ Sealed & Permanently Lubricated
Main Specifications:
Disc Sander Info
Disc Diameter............................................................................................................................................ 12 in.
Disc Speed........................................................................................................................................ 1720 RPM
Disc Sandpaper Backing Type.................................................................................................................... PSA
Table Length........................................................................................................................................ 15-1/2 in.
Table Width.................................................................................................................................................. 9 in.
Table Thickness........................................................................................................................................ 5/8 in.
Table Tilt............................................................................................................................................. 0–45 deg.
Table-to-Floor Height........................................................................................................................... 9-5/16 in.
-4-
Model G0843P (Mfd. Since 11/17)
Construction Materials
Base........................................................................................................................................................... Steel
Table................................................................................................................................................... Aluminum
Frame......................................................................................................................................................... Steel
Disc..................................................................................................................................................... Aluminum
Miter Gauge........................................................................................................................................ Aluminum
Paint Type/Finish.................................................................................................................................... Enamel
Other Related Info
Miter Gauge Slot Width............................................................................................................................. 5/8 in.
Miter Gauge Slot Height........................................................................................................................... 1/4 in.
Number of Dust Ports....................................................................................................................................... 2
Dust Port Size........................................................................................................................................ 2-1/2 in.
Other Specifications:
Country of Origin ................................................................................................................................................ China
Warranty ........................................................................................................................................................... 1 Year
Approximate Assembly & Setup Time ........................................................................................................ 10 Minutes
Serial Number Location .................................................................................................................................. ID Label
Sound Rating ..................................................................................................................................................... 60 dB
Features:
Dual Sanding Discs
Dual 2-1/2" Dust Ports
Table Tilt Range 0 to 45 Deg.
Accepts 12" PSA Sanding Discs
Accessories Included:
Aluminum Miter Gauge
Open-End Wrench 7/8"
Open-End Wrench 8/10mm
Open-End Wrench 12/14mm
Phillips Screwdriver #1
Model G0843P (Mfd. Since 11/17)
-5-
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 G0843P (Mfd. Since 11/17)
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 G0843P (Mfd. Since 11/17)
-7-
Additional Safety for Disc Sanders
Serious injury or death can occur from pinching fingers or hands between rotating sanding disc
and table, or getting clothes or hair getting entangled in sanding disc. Workpieces thrown by
sander can strike nearby operators with great force. Long-term respiratory damage can occur
from using sander without a respirator and adequate dust collection system. To minimize these
risks, anyone operating machine MUST completely heed hazards and warnings below.
AVOIDING ENTANGLEMENT. Becoming
entangled in moving parts of this machine can
cause pinching and crushing injuries. To avoid
these hazards, DO NOT wear loose clothing,
gloves, or jewelry, and tie back long hair. Keep all
guards in place and secure.
IN-RUNNING NIP POINTS. The gap between
moving sanding disc and fixed table/support
creates a pinch point for fingers or workpieces;
the larger this gap is, the greater risk of fingers or
workpieces getting caught in it. Minimize this risk
by adjusting table no more than
sanding disc.
DISC DIRECTION. Only sand on downwardmoving side of sanding disc with workpiece firmly
supported against table. Sanding on upwardmoving side of sanding disc forces operator to
rely only on hands (rather than table) for support,
which increases risk of workpiece kickback, loss of
control, and impact/abrasion injuries. Workpiece
kickback can occur with violent force if workpiece
is not properly supported during operation. Always
sand with workpiece firmly against table or another
support device.
FEEDING WORKPIECE. Forcefully jamming workpiece into sanding surface could cause workpiece
to be aggressively grabbed and pull your hands
into sanding surface. Firmly grasp workpiece in
both hands and ease it into sanding disc using light
pressure.
1
⁄16" away from
HAND PLACEMENT. Rotating sanding discs can
quickly remove a large amount skin. Always keep
hands away from sanding disc during operation.
Never touch moving sanding disc on purpose.
WORKPIECE INSPECTION. Nails, staples, knots,
or other imperfections in workpiece can be dislodged and thrown from sander at high rate of
speed into operator or bystanders, or cause damage to sanding disc or sander. Never try to
sand stock that has embedded foreign objects or
questionable imperfections.
WORKPIECE INTEGRITY. Only sand solid workpieces that can withstand power sanding forces.
Make sure shape of workpiece is properly supported on table; avoid sanding workpieces without flat
bottom surfaces unless some type of jig is used to
maintain support and control when sanding force
is applied.
SANDING DISC CONDITION. Worn or damaged
sanding discs not only produces poor sanding
results, but could fly apart, aggressively grab
workpiece, and throw debris at the operator.
Always inspect sanding discs before operation and
replace if worn or damaged.
SANDING DUST. Sanding creates large amounts
of dust and flying chips that can lead to eye injury
or respiratory illness. Reduce risk of these hazards
by wearing approved eye and respiratory protection when using sander.
SMALL WORKPIECES. Small workpieces are
difficult to control and require close support near
sanding surface. Always use a jig or other holding
device when sanding small workpieces, and keep
hands and fingers at least 2" away from sanding
surface.
-8-
DUST COLLECTION. Never operate without
adequate dust-collection system in place and running. Proper dust collection reduces dust in work
area, which decreases risk of long-term respiratory damage, but it is not a substitute for using a
respirator.
Model G0843P (Mfd. Since 11/17)
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.
110V Circuit Requirements
Nominal Voltage .................... 110V, 115V, 120V
Cycle ..........................................................60 Hz
Phase ........................................... Single-Phase
Power Supply Circuit ......................... 15 Amps
supply.
Full-Load Current Rating
Full-Load Current Rating at 110V ........7 Amps
Model G0843P (Mfd. Since 11/17)
property, consult an electrician if you are
unsure about wiring practices or electrical
codes in your area.
-9-
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 1. 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
verified ground.
-10 -
Minimum Gauge Size ...........................14 AWG
Maximum Length (Shorter is Better).......50 ft.
Model G0843P (Mfd. Since 11/17)
SECTION 3: SETUP
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 items are needed, but not included,
for the setup/assembly of this machine.
Needed for Setup
This machine presents
serious injury hazards
to untrained users. Read
through this entire manual to become familiar with
the controls and operations before starting the
machine!
Wear safety glasses during
the entire setup process!
This machine and its
components are very
heavy. Get lifting help or
use power lifting equipment such as a forklift to
move heavy items.
Description Qty
• Additional Person ....................................... 1
• Safety Glasses ........................ 1 Per Person
• Leather Gloves .................1 Pair Per Person
• 90° Square ................................................. 1
• Ruler 18" ................................................... 1
• Dust-Collection System .............................. 1
• Dust Hose 2
• Hose Clamps 2
call us immediately at (570) 546-9663.
1
⁄2 " ........................................... 2
1
⁄2 " ...................................... 4
Unpacking
If items are damaged
Model G0843P (Mfd. Since 11/17)
Save all packaging materials until
SUFFOCATION HAZARD!
machine. Discard immediately.
-11-
Inventory
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.
or disable start switch or
Refer to the Machine Data Sheet for the weight
and footprint specifications of your machine.
Some workbenches may require additional reinforcement to support the weight of the machine
and workpiece materials.
Consider anticipated workpiece sizes and additional space needed for auxiliary stands, work
tables, or other machinery when establishing a
location for this machine in the shop. Below is
the minimum amount of space needed for the
machine.
NOTICE
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.
Inventory (Figures 2–3) Qty
A. Double Disc Sander ................................... 1
B. Miter Gauge ................................................ 1
C. Phillips Screwdriver #1 ............................... 1
D. Open End Wrench
E. Open-End Wrench 12/14mm ...................... 1
F. Open-End Wrench 8/10mm ........................ 1
G. Sanding Disc 12" 80-Grit (Not Shown) ....... 1
H. Sanding Disc 12" 220-Grit (Not Shown) ..... 1
7
⁄8" ................................ 1
Site Considerations
Workbench Load
Placement Location
291/2"
Dust Port
25"
Dust Port
16"
A
Figure 2. Double disc sander.
B
C
D
-12-
E
F
Figure 3. Tools and miter gauge.
Figure 4. Minimum working clearances.
Children and visitors may be
seriously injured if unsupervised around this machine.
Lock entrances to the shop
power connection to prevent
unsupervised use.
Model G0843P (Mfd. Since 11/17)
Bench Mounting
Another option is a "direct mount" (see example
below) where the machine is secured directly to
the workbench with lag screws and washers.
The base of this machine has mounting holes
that allow it to be fastened to a workbench or
other mounting surface to prevent it from moving
during operation and causing accidental injury or
damage.
The strongest mounting option is a "Through
Mount" (see example below) where holes are
drilled all the way through the workbench—and
hex bolts, washers, and hex nuts are used to
secure the machine in place.
Dust Collection
Number of Mounting Holes ............................ 4
Diameter of Mounting Hardware Needed ..
Hex
Bolt
Flat Washer
Machine Base
1
⁄2"
This machine creates a lot of wood chips/
dust during operation. Breathing airborne
dust on a regular basis can result in permanent respiratory illness. Reduce your risk
by wearing a respirator and capturing the
dust with a dust collection system.
Minimum CFM at Dust Port: 150 CFM
Do not confuse this CFM recommendation with
the rating of the dust collector. To determine the
CFM at the dust port, you must consider these
variables: (1) CFM rating of the dust collector,
(2) hose type and length between the dust collector and the machine, (3) number of branches
or wyes, and (4) amount of other open lines
throughout the system. Explaining how to calculate these variables is beyond the scope of
this manual. Consult an expert or purchase a
good dust collection "how-to" book.
Workbench
Flat Washer
Lock Washer
Figure 5. "Through Mount" setup.
Machine Base
Hex Nut
Lag Screw
Flat Washer
To connect dust-collection system to machine:
1
1. Fit (2) 2
and secure in place with 2
(see Figure 7).
Figure 7. Dust hoses attached to dust ports.
2. Tug hoses to make sure they do not come
off.
⁄2" dust hoses over dust ports,
1
⁄2" hose clamps
Workbench
Figure 6. "Direct Mount" setup.
Model G0843P (Mfd. Since 11/17)
Note: A tight fit is necessary for proper
performance.
-13-
Test Run
Once assembly is complete, test run the machine
to ensure it is properly connected to power and
safety components are functioning correctly.
If you find an unusual problem during the test run,
immediately stop the machine, disconnect it from
power, and fix the problem BEFORE operating the
machine again. The
table in the
SERVICE section of this manual can help.
DO NOT start machine until all preceding
setup instructions have been performed.
Operating an improperly set up machine
ed results that can lead to serious injury,
Serious injury or death can result from
Troubleshooting
4. Remove switch disabling key, as shown in
Figure 8.
The Test Run consists of verifying the following:
1) The motor powers up and runs correctly, and
2) the safety disabling mechanism on the switch
works correctly.
using this machine BEFORE understanding
its controls and related safety information.
DO NOT operate, or allow others to operate,
machine until the information is understood.
may result in malfunction or unexpect-
death, or machine/property damage.
Figure 8. Removing switch key from paddle
switch.
5. Try to start machine with paddle switch. The
machine should NOT start.
— If the machine does not start, the switch
disabling feature is working as designed.
The test run is complete!
— If the machine does start, immediately stop
the machine. The switch disabling feature
is not working correctly. This safety feature must work properly before proceeding
with regular operations. Call Tech Support
for help.
To test run the machine:
1. Clear all setup tools away from machine.
2. Connect machine to power supply.
3. Turn machine ON, verify motor operation,
and then turn machine OFF.
The motor should run smoothly and without
unusual problems or noises.
-14-
Model G0843P (Mfd. Since 11/17)
SECTION 4: OPERATIONS
The purpose of this overview is to provide the novice machine operator with a basic understanding
of how the machine is used during operation, so
the
discussed later
in this manual
Due to the generic nature of this overview, it is
not intended to be an instructional guide. To learn
more about specific operations, read this entire
manual,
training from experienced
machine operators
outside of this manual by reading "how-to" books,
trade magazines, or websites.
To reduce your risk of
serious injury, read this
entire manual BEFORE
To reduce risk of eye injury from flying
Operation Overview
To complete a typical sanding operation, the
operator does the following:
1. Examines workpiece to make sure it is suit-
able for sanding.
machine controls/components
are easier to understand.
seek additional
, and do additional research
using machine.
2. Adjusts table tilt as necessary and locks table
in place.
3. If necessary, inserts miter gauge in miter
slot, adjusts miter gauge to required sanding
angle, and locks it in place.
4. Puts on safety glasses and a respirator.
5. Starts machine and dust collector.
6. Holds workpiece firmly and flatly against
both table and miter gauge (if used), pushes
workpiece into and moves it along downward
spinning side of sanding disc.
7. Stops machine.
chips or lung damage from breathing dust,
always wear safety glasses and a respirator
when operating this machine.
If you are not experienced with this type
of machine, WE STRONGLY RECOMMEND
that you seek additional training outside of
this manual. Read books/magazines or get
formal training before beginning any projects. Regardless of the content in this section, Grizzly Industrial will not be held liable
for accidents caused by lack of training.
Model G0843P (Mfd. Since 11/17)
-15-
Replacing Sanding
Discs
6. Position exposed adhesive on upper half of
disc that extends above table. Once it is positioned evenly across disc, press adhesive
onto surface.
The Model G0843P accepts 12" diameter PSA
(pressure-sensitive adhesive) sanding discs,
which are available in a variety of grits. The sanding discs can be replaced without removing the
table, following the procedure below.
To replace sanding discs:
1. DISCONNECT MACHINE FROM POWER!
2. Remove disc guard, peel off old sandpaper,
clean disc surface with mineral spirits, and
wipe it dry.
3. Loosen locking table handle and fully tilt table
down.
4. Peel back protective layer on one-half of
sandpaper disc and fold it against remaining
half.
5. Slip half with protective layer between disc
and table edge, as shown in Figure 9.
7. Rotate disc so lower half is above table. Peel
off other half of protective paper, and press
remaining sandpaper against disc so adhesion is complete
8. Re-position table, tighten locking table
handles, and re-install disc guard.
9. Repeat Steps 2–8 to install sanding disc on
other side of Model G0843P.
12" PSA Sanding Discs
Model & Type Grit
D1335 12" PSA ................................................ 60
D1336 12" PSA ................................................ 80
D1337 12" PSA .............................................. 100
D1338 12" PSA .............................................. 120
D1339 12" PSA .............................................. 150
D1340 12" PSA .............................................. 180
D1341 12" PSA .............................................. 220
-16 -
Figure 10. Sanding discs.
Figure 9. Attaching sanding disc.
Model G0843P (Mfd. Since 11/17)
Sanding Operations
The advantage of a double disc sander is it allows
you to work with different grit sizes for both coarse
and fine sanding.
Move the workpiece slowly back and forth along
downward moving side of sanding disc, and avoid
using excessive pressure to prevent burning the
workpiece and overloading the sanding discs.
To perform sanding on compound-angle cuts, tilt
the table and rotate the miter gauge to the appropriate angles.
Always keep disc guard in place and
workpiece on side of wheel that is rotating
downward. This will reduce likelihood of
workpiece being ejected.
Figure 11. Example of level sanding.
To reduce risk of your fingers getting
pinched between work table and sanding
disc, always make sure gap between table
and sanding disc does NOT exceed
To perform sanding operations:
1. DISCONNECT MACHINE FROM POWER!
2. If needed, set angle of table and miter gauge
for your operation.
1
3. Make sure table is about
ing disc. Refer to Table Gap & Parallelism
on Page 23 for further details.
4. Connect sander to power, turn it ON, and
allow sanding disc to reach full speed.
5. Position workpiece on table against miter
gauge with disc guard in place.
⁄16" away from sand-
1
⁄16".
Figure 12. Example of angle sanding.
Figure 13. Example of sanding with table tilted.
6. With moderate pressure, push workpiece into
downward moving side of rotating disc. See
Figures 11–13 for examples of disc sanding.
Model G0843P (Mfd. Since 11/17)
-17-
ACCESSORIES
Installing unapproved accessories may
order online at www.grizzly.com or call 1-800-523-4777
SECTION 5: ACCESSORIES
cause machine to malfunction, resulting in
serious personal injury or machine damage.
To reduce this risk, only install accessories
recommended for this machine by Grizzly.
1
W1314—Wire Hose Clamp 2
W1317—Wire Hose Clamp 4"
W1044—Dust Collection Adapter 2
W1053—Anti-Static Grounding Kit
W2046—Shop Vacuum Adapter 2
We've hand picked a selection of dust collection
components commonly needed to connect the
Model G0843P to basic machinery.
⁄2"
1
⁄2" x 4"
1
⁄2" x 2 1⁄2"
NOTICE
Refer to our website or latest catalog for
additional recommended accessories.
12" PSA Sanding Discs
Model & Type Grit
D1335 12" PSA ................................................ 60
D1336 12" PSA ................................................ 80
D1337 12" PSA .............................................. 100
D1338 12" PSA .............................................. 120
D1339 12" PSA .............................................. 150
D1340 12" PSA .............................................. 180
D1341 12" PSA .............................................. 220
T23412
W1317
W1053
Figure 15. Dust collection accessories.
G0710—1HP Wall Hanging Dust Collector
G1163P—1HP Light Duty Dust Collector
G3591—30-Micron Replacement Bag
H4340—3.0-Micron 5" Neck Dust Filter Bag
Excellent point-of-use dust collectors that can
be used next to the machine with only a small
amount of ducting. Specifications: 537 CFM, 7.2"
static pressure, 1.5 cubic foot bag, and 30-micron
filter. Motor is 1 H P, 1 20V/240V, 7A /3.5A.
W1314
W1044
W2046
Figure 14. Sanding discs.
G1163P
-18-
G0710
Figure 16. Point-of-use dust collectors.
Model G0843P (Mfd. Since 11/17)
order online at www.grizzly.com or call 1-800-523-4777
T28170—Tool Stand
This sturdy tool stand measures 20" x 28" and is
designed to provide a stable platform for mounting
machinery and equipment. Includes adjustable
rubber feet. 400 lb. capacity!
Basic Eye Protection
T20501—Crown Protector 4"
T20502—Crown Protector 7"
T20503—Replacement Face Shield Clear
T20451—“Kirova” Clear Safety Glasses
T20452—“Kirova” Anti-Reflective S. Glasses
T20456—DAKURA Safety Glasses, Black/Clear
T20502
Figure 17. T28170 Tool Stand.
H2499—Low-Maintenance Respirator–Small
H3631—Low-Maintenance Respirator–Medium
H3632—Low-Maintenance Respirator– Large
H3635—Cartridges P100 Particulate Aerosols
Wood dust has been linked to nasal cancer and
severe respiratory illnesses. If you work arounddust everyday, a half-mask respirator can be a
lifesaver. Also compatible with safety glasses!
H3635
T20503
T20456
Figure 19. Assortment of basic eye protection.
T20446—Ear Plugs 200 Pair
A must have if you or employees operate for hours
at a time.
T20451
T20452
Figure 20. T20446 Ear Plugs.
H3631
Figure 18. Half-mask respirator with disposable
cartridge filters.
Model G0843P (Mfd. Since 11/17)
-19 -
SECTION 6: MAINTENANCE
accidental startup, always
disconnect machine from
Cleaning &
To reduce risk of shock or
power before adjustments,
maintenance, or service.
Schedule
For optimum performance from this machine, this
maintenance schedule must be strictly followed.
Ongoing:
To maintain a low risk of injury and proper
machine operation, if you ever observe any of the
items below, shut down the machine immediately
and fix the problem before continuing operations:
• Loose mounting bolts.
• Damaged or worn sanding discs.
• Worn or damaged wires.
• Any other unsafe condition.
Protecting
Cleaning the Model G0843P is relatively easy.
Vacuum excess wood chips and sawdust, and
wipe off the remaining dust with a dry cloth. If any
resin has built up, use a resin dissolving cleaner
to remove it.
PRO-STICK® Abrasive Surface Cleaners
Extend the life of your sanding discs! Choose
the Pro-Stick
without a handle for more usable area.
Size Model
1
⁄2" X 11⁄2" X 81⁄2" .................................... W1306
1
2" X 2" X 12"............................................ W1307
W1307
®
with a handle for greater control or
Weekly/Monthly Check
• Vacuum dust off motor fan.
-20-
Figure 21. PRO-STICK
Model G0843P (Mfd. Since 11/17)
W1306
®
abrasive cleaners.
Review the troubleshooting and procedures in this section if a problem develops with your machine. If
Please
gather the serial number and manufacture date of your machine before calling.
SECTION 7: SERVICE
you need replacement parts or additional help with a procedure, call our Technical Support. Note:
Troubleshooting
Motor & Electrical
Symptom Possible Cause Possible Solution
Machine does not
start, or power
supply fuse/breaker
trips immediately
after startup.
Machine stalls or is
underpowered.
Machine has
vibration or noisy
operation.
1. Switch disabling key removed.
2. Incorrect power supply voltage.
3. Power supply circuit breaker tripped or fuse
blown.
4. Motor wires connected incorrectly.
5. Start capacitor at fault.
6. Wiring open/has high resistance.
7. ON/OFF or circuit breaker switch at fault.
8. Motor at fault.
1. Machine undersized for task.
2. Dust collection problem, causing internal
components to clog up with dust.
3. Motor overheated.
4. Motor at fault.
1. Table contacting sanding disc.
2. Motor or component loose.
3. Machine incorrectly mounted to workbench.
4. Sanding disc out of balance or loose.
5. Motor bearings at fault.
1. Install switch disabling key.
2. Ensure correct power supply voltage.
3. Ensure circuit is sized correctly and free of shorts.
Reset circuit breaker or replace fuse.
4. Correct motor wiring connections.
5. Test/replace if at fault.
6. Check/fix broken, shorted, or corroded wires.
7. Replace switch/circuit breaker.
8. Test/repair/replace.
1. Clean/replace sanding discs (Page 16); reduce feed
rate/workpiece pressure.
2. Clear blockages; move machine closer to dust
collector; upgrade dust collector.
3. Clean motor, let cool, and reduce workload.
4. Test/repair/replace.
1. Adjust table gap and parallelism (Page 23).
2. Inspect/replace damaged bolts/nuts, and re-tighten
with thread locking fluid.
3. Tighten mounting hardware (Page 13), shim
machine to ensure no wobbles.
4. Tighten disc hub or replace disc.
5. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
Model G0843P (Mfd. Since 11/17)
-21-
Sander Operation
Symptom Possible Cause Possible Solution
Miter bar binds in
miter slot.
Workpiece angle
incorrect or out of
square.
Sandpaper clogs
quickly or burns.
Glossy spots, burning, or streaks on
workpiece.
Abrasive rubs off
the disc easily.
1. Miter slot dirty or gummed up. 1. Carefully clean miter slot with mineral spirits or
resin-dissolving cleaner.
1. Miter slot not parallel with face of sanding
disc.
2. Table tilt not calibrated correctly.
3. Miter gauge not perpendicular to face of
sanding disc.
1. Sanding disc grit too fine for job.
2. Workpiece too moist.
3. Sanding pressure/depth too aggressive.
4. Paint, varnish, pitch, or other coating is
loading up sanding disc.
5. Sanding soft workpiece.
6. Work held still for too long.
1. Sanding disc too fine for the desired finish.
2. Work held still for too long.
3. Workpiece is too moist.
4. Sanding stock with high residue.
5. Worn sanding disc.
6. Sanding pressure too aggressive.
1. Sanding disc has been stored in an
incorrect environment.
1. Set table gap and parallelism (Page 23).
2. Calibrate table tilt. (Page 24).
3. Calibrate miter gauge (Page 24).
1. Replace with coarser grit sanding disc (Page 16).
2. Make sure moisture content is below 20%.
3. Reduce sanding pressure/depth, or install coarser
grit sanding disc (Page 16).
4. Replace with coarser grit sanding disc (Page 16), or
strip coating off before sanding.
5. Use different stock, or, accept characteristics of
stock and plan on cleaning/replacing sanding discs
frequently.
6. Move workpiece more frequently across sanding
disc (Page 17).
1. Replace with coarser grit sanding disc (Page 16).
2. Move workpiece more frequently across sanding
disc (Page 17).
3. Make sure moisture content is below 20%.
4. Use different stock, or, accept characteristics of
stock and plan on cleaning/replacing sanding discs
frequently.
5. Replace sanding disc (Page 16).
6. Reduce sanding pressure, or install coarser
grit sanding disc (Page 16).
1. Replace; store sanding discs away from extremely
dry, hot, or damp conditions.
-22-
Model G0843P (Mfd. Since 11/17)
Table Gap &
Sanding
4. Spin disc by hand to check if sandpaper
touches table.
Parallelism
The miter slots must be parallel with the face
of the sanding discs to ensure accurate results.
To reduce risk of finger getting pinched and to
prevent the sandpaper from rubbing against the
tables, the gap between the edge of the tables
and the sanding discs cannot not exceed
To reduce risk of your fingers getting
pinched between work table and sanding
disc, always make sure gap between table
and sanding disc does NOT exceed
Item(s) Needed:
Open-End Wrench 10mm .................................. 1
Ruler 18" ............................................................ 1
To set table gap and parallelism:
1
⁄16".
1
⁄16".
IMPORTANT: DO NOT turn the disc sander
ON until you have verified that it does not
touch the table at any point in its rotation! If
sandpaper touches tables at any point, readjust table parallelism.
5. Re-install guard.
1. DISCONNECT MACHINE FROM POWER!
2. On first table, remove guard, then loosen (6)
hex bolts that secure table to table support
bracket.
1
3. Adjust table so there is a
size (see Figure 22) between sanding disc
(with sandpaper installed) and edge of table
along its full length, and tighten hex bolts.
(Top View)
1
Table
⁄16"
⁄16'' maximum gap
Disc
Figure 22. Table gap parallel with sanding disc.
Model G0843P (Mfd. Since 11/17)
-23-
Calibrating Miter
Gauge
A properly calibrated miter gauge is needed to
ensure accurate sanding results. When the miter
gauge is inserted into the table slot and set 90˚, it
should be perpendicular to the face of the disc. If it
is not, perform the following procedure to calibrate
the miter gauge.
Item(s) Needed:
90° Square ........................................................ 1
Phillips Screwdriver #1 ...................................... 1
To calibrate miter gauge:
1. DISCONNECT MACHINE FROM POWER!
2. Check that miter slot is parallel to sanding
disc (refer to Table Gap & Parallelism on
Page 23 for instructions).
Calibrating Table Tilt
To ensure accurate sanding results, the table tilt
needs to be properly calibrated. When the table
is set perpendicular to the sanding disc, the scale
setting should read 0˚. If it does not, perform the
following procedure to calibrate the table tilt.
Item(s) Needed:
90° Square ........................................................ 1
Phillips Screwdriver #1 ...................................... 1
To calibrate table tilt:
1. DISCONNECT MACHINE FROM POWER!
2. Set one edge of 90° square on table sur-
face and other edge against face of disc, as
shown in Figure 24.
Note: Although this can be done with sand-
paper installed, it is more precise without it.
3. Set one edge of 90° square against face
of miter gauge and other edge against disc
face, as shown in Figure 23.
90°
Square
Figure 23. Squaring miter gauge to disc.
4. Loosen lock knob on miter gauge and adjust
face of miter gauge so it is flush with edge of
square, tighten gauge lock knob, and verify
setting.
5. Loosen screw securing degree scale pointer
on miter gauge, position pointer on 90˚, and
retighten screw.
Miter Gauge
Lock
Knob
90°
Square
Table Set
to 0° Tilt
Figure 24. Calibrating table tilt.
3. Loosen lock handles, then adjust table angle
until it is perpendicular to disc. Tighten lock
handles while holding table in place.
4. Loosen degree scale pointer screw (see
Figure 24), adjust pointer to 0˚, then retight-
en screw.
5. Re-check accuracy with square.
6. Re-check accuracy with square.
-24-
Model G0843P (Mfd. Since 11/17)
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.
wiring safety
SECTION 8: 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 G0843P (Mfd. Since 11/17)
-25-
Wiring Diagram
ON/OFF Paddle Switch
Motor
Motor Junction Box
(Viewed from Behind)
KEDU HY18 250V 10A
1
4
2
5
3
6
Ground
PA9F
450V 450V2
PA9F
2
60uF 300V
Start Capacitor
Electrical Components
GND
Neutral
Hot
Ground
110 VAC
5-15 Plug
Figure 25. G0843P switch connections.
-26-
READ ELECTRICAL SAFETY
ON PAGE 25!
Figure 26. G0843P start capacitor connections.
Model G0843P (Mfd. Since 11/17)
SECTION 9: PARTS
We do our best to stock replacement parts when possible, but we cannot guarantee that all parts shown
are available for purchase. Call (800) 523-4777
www.grizzly.com/parts
3-4
8
3-1
26
3-7
27
28
11
3-2
3-8
6
3-3
19 18
12
29
or visit
to check for availability.
Main
9
22
10
20
21
7
31
30
5
3
31
25
4
23
20
12
16
23
24
17
26
15
27
28
11
18
19
41
14
32
18
43
42
46
45
44
21
2
36
15
48
47
53
52
55
54
35
13
32
10
18
Model G0843P (Mfd. Since 11/17)
20
21
49
BUY PARTS ONLINE AT GRIZZLY.COM!
Scan QR code to visit our Parts Store.
1
50
51
-27-
Main Parts List
REF PART # DESCRIPTION REF PART # DESCRIPTION
1 P0843P001 BASE PLATE 23 P0843P023 FLAT WASHER 8MM
2 P0843P002 MOTOR BASE 24 P0843P024 HEX NUT M8-1.25
3 P0843P003 MOTOR 1HP 110V 1-PH 25 P0843P025 HEX BOLT M8-1.25 X 16
3-1 P0843P003-1 FAN COVER 26 P0843P026 HEX BOLT M6-1 X 12
3-2 P0843P003-2 S CAPACITOR 60UF 300V 2" X 3 5/8" 27 P0843P027 FLAT WASHER 6MM
3-3 P0843P003-3 MOTOR JUNCTION BOX 28 P0843P028 HEX NUT M6-1
3-4 P0843P003-4 MOTOR FAN 29 P0843P029 DISC GUARD (LEFT)
3-7 P0843P003-7 BALL BEARING 6205ZZ 30 P0843P030 DISC GUARD (RIGHT)
3-8 P0843P003-8 BALL BEARING 6205ZZ 31 P0843P031 PHLP HD SCR M4-.7 X 8
4 P0843P004 DISC COVER (LEFT) 32 P0843P032 HEX BOLT M6-1 X 8
5 P0843P005 DISC COVER (RIGHT) 35 P0843P035 ON/OFF SWTICH W/KEY KEDU HY18
6 P0843P006 12" DISC (LEFT) 36 P0843P036 POWER CORD 18G 3W 72" 5-15P
7 P0843P007 12" DISC (RIGHT) 41 P0843P041 MITER BAR
8 P0843P008 SANDPAPER 60-GRIT 42 P0843P042 MITER GAUGE
9 P0843P009 SANDPAPER 220-GRIT 43 P0843P043 KNOB BOLT M5-.8 X 17, 22D
10 P0843P010 TABLE BRACKET (LEFT) 44 P0843P044 MITER GAUGE SCALE POINTER
11 P0843P011 TABLE BRACKET (RIGHT) 45 P0843P045 PHLP HD SCR M5-.8 X 6
12 P0843P012 TABLE 46 P0843P046 PIN
13 P0843P013 DUST HOOD COVER (LEFT) 47 P0843P047 SWITCH BOX
14 P0843P014 DUST HOOD COVER (RIGHT) 48 P0843P048 MOTOR CORD 18G 3W 12"
15 P0843P015 ADJUSTABLE HANDLE M8-1.25 X 20, 82L 49 P0843P049 WRENCH 12 X 14 OPEN-ENDS
16 P0843P016 INDICATOR 50 P0843P050 SPANNER WRENCH 7/8"
17 P0843P017 PHLP HD SCR M4-.7 X 8 51 P0843P051 PHILLIPS SCREWDRIVER #2
18 P0843P018 FLAT WASHER 6MM 52 P0843P052 SWITCH PLATE COVER
19 P0843P019 PHLP HD SCR M6-1 X 8 53 P0843P053 TAP SCREW M4 X 15
20 P0843P020 HEX BOLT M8-1.25 X 12 54 P0843P054 TAP SCREW M4 X 12
21 P0843P021 FLAT WASHER 8MM 55 P0843P055 FLAT WASHER 4MM
22 P0843P022 HEX BOLT M8-1.25 X 20
-28-
BUY PARTS ONLINE AT GRIZZLY.COM!
Scan QR code to visit our Parts Store.
Model G0843P (Mfd. Since 11/17)
Labels & Cosmetics
102
101
WARNING!
WARNING!
EYE/LUNG
INJURY HAZARD!
Always wear ANSIapproved safety glasses,
face shield, and respirator
when using this machine.
ABRASION
INJURY HAZARD
Do not touch moving disc
or personal injury may
occur!
111
DISC ROTATION
grizzly.com
110
WARNING!
To reduce risk of death
or serious injury, read
manual BEFORE using
machine.
To get a new manual,
call (800) 523-4777 or
go to www.grizzly.com.
Only operate machine with
safety guard in place!
103
112
108
103
WARNING!
102
Only operate machine with
safety guard in place!
109
G0843P
101
101
WARNING!
EYE/LUNG
INJURY HAZARD!
Always wear ANSIapproved safety glasses,
face shield, and respirator
when using this machine.
ABRASION
INJURY HAZARD
Do not touch moving disc
or personal injury may
occur!
104
DISC ROTATION
105
INJURY/SHOCK
HAZARD!
Disconnect power
before adjustments,
maintenance, or
service.
WARNING!
EYE/LUNG
INJURY HAZARD!
Always wear ANSIapproved safety glasses,
face shield, and respirator
when using this machine.
ABRASION
INJURY HAZARD
Do not touch moving disc
or personal injury may
occur!
106
MODEL G0843P
POLAR BEAR SERIES
Specifications
Motor: 3/4 HP, 110V, 1-Phase, 60 Hz
Full-Load Current Rating: 7A
Disc Diameter: 12"
Disc Sandpaper Backing: PSA
Disc Speed: 1720 RPM
Table Tilt: 0–45°
Table Size: 9" x 15-1/2"
Table-to-Floor Height: 9-5/16"
Dust Port Size: 2-1/2"
Weight: 79 lbs.
Date
S/N
Mfd. for Grizzly in China
12" DOUBLE DISC SANDER
To reduce the risk of serious injury while using this machine:
1. Read and understand owner’s manual before operating.
2. Always wear approved eye protection and respirator.
3. Only plug power cord into a grounded outlet.
4. Support workpiece with miter gauge, backstop, or work table.
5. Maintain 1/16" maximum clearance between table and sandpaper.
6. Always sand in accordance with directional arrows on machine.
7. Ensure sander is properly assembled, adjusted, and all guards are
in place before operating.
8. Never sand pointed stock with point facing into sanding rotation.
9. Only remove jammed pieces when sandpaper is stopped.
10. Disconnect power before changing paper, adjusting, or servicing.
11. Do not wear loose clothing, gloves, or jewelry. Tie back long hair.
12. Never reach over moving sanding disc.
13. Do not expose to rain or use in damp locations.
14. Do not operate under influence of drugs or alcohol, or when tired.
15. Prevent unauthorized use by children or untrained users; restrict
access or disable machine when unattended.
REF PART # DESCRIPTION REF PART # DESCRIPTION
101 P0843P0101 EYE/LUNG AND ABRASION INJURY LABEL 108 P0843P0108 GRIZZLY.COM LABEL (LEFT)
102 P0843P0102 SAFTY GUARD WARNING LABEL 109 P0843P0109 MODEL NUMBER LABEL
103 P0843P0103 ELECTRICITY LABEL 110 P0843P0110 READ MANUAL LABEL
104 P0843P0104 DISC ROTATION LABEL (RIGHT) 111 P0843P0111 DISC ROTATION LABEL (LEFT)
105 P0843P0105 INJURY/SHOOK WARING LABEL 112 P0843P0112 TOUCH-UP PAINT RED
106 P0843P0106 GRIZZLY.COM LABEL (RIGHT) 113 P0843P0113 TOUCH-UP PAINT POLAR BEAR WHITE
107 P0843P0107 MACHINE ID LABEL
TM
WARNING!
107
113
grizzly.com
Safety labels help reduce the risk of serious injury caused by machine hazards. If any label comes
off or becomes unreadable, the owner of this machine MUST replace it in the original location
before resuming operations. For replacements, contact (800) 523-4777 or www.grizzly.com.
Model G0843P (Mfd. Since 11/17)
BUY PARTS ONLINE AT GRIZZLY.COM!
Scan QR code to visit our Parts Store.
-29-
WARRANTY CARD
Name _____________________________________________________________________________
Street _____________________________________________________________________________
City _______________________ State _________________________ Zip _____________________
Phone # ____________________ Email _________________________________________________
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
____ Wooden Boat
____ Woodshop News
____ Woodsmith
____ Woodwork
____ Woodworker West
____ Woodworker’s Journal
____ Other:
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
10. Comments: _____________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
FOLD ALONG DOTTED LINE
FOLD ALONG DOTTED LINE
Place
Stamp
Here
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
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.
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