MODEL G4181/G7873
1-HP POWER FEEDER
OWNER'S MANUAL
(For models manufactured since 12/13)
COPYRIGHT © JULY, 2008 BY GRIZZLY INDUSTRIAL, INC. REVISED APRIL, 2014 (TS)
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
#CR10817 PRINTED IN TAIWAN
V2 . 0 4 .14
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
Manual Accuracy ........................................... 2
Contact Info.................................................... 2
Machine Data Sheet (G4181) ........................ 3
Machine Data Sheet (G7873) ........................ 5
Components & Terminology .......................... 7
SECTION 1: SAFETY ....................................... 8
Safety Instructions for Machinery .................. 8
Additional Safety for Power Feeders ........... 10
SECTION 2: POWER SUPPLY ...................... 11
SECTION 3: SETUP ....................................... 13
Unpacking .................................................... 13
Needed for Setup ......................................... 13
Inventory ...................................................... 14
Cleanup ........................................................ 15
Assembly ..................................................... 16
Base Mounting ............................................. 17
Mounting Options ......................................... 18
Test Run ...................................................... 19
SECTION 4: OPERATIONS ........................... 20
Basic Use and Care ..................................... 20
Changing Feed Speed ................................. 21
SECTION 5: MAINTENANCE ......................... 22
Schedule ...................................................... 22
Cleaning ....................................................... 22
Lubrication ................................................... 22
SECTION 6: ACCESSORIES ......................... 23
SECTION 7: SERVICE ................................... 24
Troubleshooting ........................................... 24
Wheel Replacement..................................... 25
G4181 Wiring Diagram ................................ 26
G7873 Wiring Diagram ................................ 27
SECTION 8: PARTS ....................................... 28
Main Breakdown .......................................... 28
Base Breakdown .......................................... 30
WARRANTY & RETURNS ............................. 33
Model G4181/G7873 (Mfd. Since 12/13)
-1-
INTRODUCTION
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
-2-
Model G4181/G7873 (Mfd. Since 12/13)
Machine Data Sheet (G4181)
MACHINE DATA
SHEET
Customer Service #: (570) 546-9663 · To Order Call: (800) 523-4777 · Fax #: (800) 438-5901
MODEL G4181 1 HP POWER FEEDER
Product Dimensions:
Weight.............................................................................................................................................................. 130 lbs.
Width (side-to-side) x Depth (front-to-back) x Height........................................................................... 44 x 16 x 30 in.
Footprint (Length x Width)........................................................................................................................... N/A x N/A
Shipping Dimensions:
Carton #1
Type........................................................................................................................................... Cardboard Box
Content................................................................................................................................................. Machine
Weight...................................................................................................................................................... 60 lbs.
Length x Width x Height............................................................................................................. 21 x 12 x 22 in.
Must Ship Upright.......................................................................................................................................... No
Carton #2
Type........................................................................................................................................... Cardboard Box
Content...................................................................................................................................................... Stand
Weight...................................................................................................................................................... 81 lbs.
Length x Width x Height............................................................................................................. 30 x 13 x 12 in.
Must Ship Upright.......................................................................................................................................... No
Electrical:
Power Requirement........................................................................................................... 240V, Single-Phase, 60 Hz
Full-Load Current Rating....................................................................................................................................... 4.2A
Minimum Circuit Size.............................................................................................................................................. 15A
Connection Type....................................................................................................................................... Cord & Plug
Power Cord Included.............................................................................................................................................. Yes
Power Cord Length................................................................................................................................................. 9 ft.
Power Cord Gauge......................................................................................................................................... 16 AWG
Plug Included.......................................................................................................................................................... Yes
Included Plug Type................................................................................................................................................ 6-15
Switch Type................................................................................................... Forward/Reverse Switch with 2 Speeds
Motors:
Main
Type................................................................................................................. TEFC Capacitor-Start Induction
Horsepower................................................................................................................................................ 1 HP
Phase............................................................................................................................................ Single-Phase
Amps................................................................................................................................................... 4.2A/2.5A
Speed..................................................................................................................................... 3210 / 1700 RPM
Power Transfer ................................................................................................................................. Gear Drive
Bearings........................................................................................................ Sealed & Permanently Lubricated
Main Specifications:
Workpiece Capacities
Minimum Workpiece Length........................................................................................................................ 7 in.
Model G4181/G7873 (Mfd. Since 12/13)
-3-
Operation Info
Number of Feed Speeds.................................................................................................................................. 4
Feed Speeds........................................................................................................................ 13, 26, 33, 66 FPM
Swing.................................................................................................................................................... 360 deg.
Vertical Movement....................................................................................................................................... 9 in.
Horizontal Movement................................................................................................................................. 17 in.
Rotation.................................................................................................................................. Forward, Reverse
Roller Info
Number of Rollers............................................................................................................................................. 3
Roller Width........................................................................................................................................... 2-1/4 in.
Roller Diameter...................................................................................................................................... 4-5/8 in.
Roller Suspension..................................................................................................................................... 3/4 in.
Maximum Height Rollers Parallel Table Surface......................................................................................... 7 in.
Centers Between Rollers............................................................................................................................. 5 in.
Construction Info
Roller....................................................................................................................................... Synthetic Rubber
Housing...................................................................................................................................... Cast Aluminum
Supports............................................................................................................................................... Cast Iron
Column....................................................................................................................................................... Steel
Paint Type/Finish.................................................................................................................................... Enamel
Other
Column Diameter................................................................................................................................... 2-1/4 in.
Other Specifications:
Country of Origin .............................................................................................................................................. Taiwan
Warranty ........................................................................................................................................................... 1 Year
Approximate Assembly & Setup Time ........................................................................................................ 45 Minutes
Serial Number Location .................................. Checked Sticker, On In-feed Portion Of Housing's Roller Cover Side
ISO 9001 Factory .................................................................................................................................................. Yes
Certified by a Nationally Recognized Testing Laboratory (NRTL) ......................................................................... Yes
Features:
Rollers are Spring Tensioned
Heavy-Duty Gear Reduction with Hardened Gears
Universal Positioning with Handle Locks
Rack and Pinion Horizontal Movement
-4-
Model G4181/G7873 (Mfd. Since 12/13)
Machine Data Sheet (G7873)
MACHINE DATA
SHEET
Customer Service #: (570) 546-9663 · To Order Call: (800) 523-4777 · Fax #: (800) 438-5901
MODEL G7873 1 HP 3‐PHASE POWER FEEDER
Product Dimensions:
Weight.............................................................................................................................................................. 135 lbs.
Width (side-to-side) x Depth (front-to-back) x Height................................................................. 43-1/2 x 8-1/2 x 13 in.
Footprint (Length x Width)........................................................................................................................... N/A x N/A
Shipping Dimensions:
Carton #1
Type........................................................................................................................................... Cardboard Box
Content................................................................................................................................................. Machine
Weight...................................................................................................................................................... 62 lbs.
Length x Width x Height............................................................................................................. 21 x 12 x 22 in.
Must Ship Upright.......................................................................................................................................... No
Carton #2
Type........................................................................................................................................... Cardboard Box
Content...................................................................................................................................................... Stand
Weight...................................................................................................................................................... 82 lbs.
Length x Width x Height............................................................................................................. 30 x 12 x 12 in.
Must Ship Upright.......................................................................................................................................... No
Electrical:
Power Requirement................................................................................................................... 240V, 3-Phase, 60 Hz
Full-Load Current Rating....................................................................................................................................... 3.4A
Minimum Circuit Size.............................................................................................................................................. 15A
Connection Type....................................................................................................................................... Cord & Plug
Power Cord Included.............................................................................................................................................. Yes
Power Cord Length................................................................................................................................................. 9 ft.
Power Cord Gauge......................................................................................................................................... 16 AWG
Plug Included........................................................................................................................................................... No
Recommended Plug Type................................................................................................................................... 15-15
Switch Type................................................................................................... Forward/Reverse Switch with 2 Speeds
Recommended Phase Converter....................................................................................................................... G5841
Motors:
Main
Type........................................................................................................................................... TEFC Induction
Horsepower................................................................................................................................................ 1 HP
Phase.................................................................................................................................................... 3-Phase
Amps................................................................................................................................................... 3.4A/2.5A
Speed..................................................................................................................................... 3400 / 1735 RPM
Power Transfer ................................................................................................................................. Gear Drive
Bearings........................................................................................................ Sealed & Permanently Lubricated
Main Specifications:
Workpiece Capacities
Minimum Workpiece Length........................................................................................................................ 7 in.
Model G4181/G7873 (Mfd. Since 12/13)
-5-
Operation Info
Number of Feed Speeds.................................................................................................................................. 4
Feed Speeds........................................................................................................................ 13, 26, 33, 66 FPM
Swing.................................................................................................................................................... 360 deg.
Vertical Movement................................................................................................................................. 9-7/8 in.
Horizontal Movement........................................................................................................................... 18-1/8 in.
Rotation.................................................................................................................................. Forward, Reverse
Roller Info
Number of Rollers............................................................................................................................................. 3
Roller Width........................................................................................................................................... 2-1/4 in.
Roller Diameter...................................................................................................................................... 4-5/8 in.
Roller Suspension..................................................................................................................................... 3/4 in.
Maximum Height Rollers Parallel Table Surface......................................................................................... 7 in.
Centers Between Rollers............................................................................................................................. 5 in.
Construction Info
Roller....................................................................................................................................... Synthetic Rubber
Housing...................................................................................................................................... Cast Aluminum
Supports............................................................................................................................................... Cast Iron
Column....................................................................................................................................................... Steel
Paint Type/Finish.................................................................................................................................... Enamel
Other
Column Diameter................................................................................................................................... 2-1/4 in.
Other Specifications:
Country of Origin .............................................................................................................................................. Taiwan
Warranty ........................................................................................................................................................... 1 Year
Approximate Assembly & Setup Time ........................................................................................................ 45 Minutes
Serial Number Location .................................. Checked Sticker, On In-feed Portion Of Housing's Roller Cover Side
ISO 9001 Factory .................................................................................................................................................. Yes
Certified by a Nationally Recognized Testing Laboratory (NRTL) ......................................................................... Yes
Features:
Rollers are Spring Tensioned
Heavy-Duty Gear Reduction with Hardened Gears
Universal Positioning with Handle Locks
Rack and Pinion Horizontal Movement
-6-
Model G4181/G7873 (Mfd. Since 12/13)
Components & Terminology
Refer to Figure 1 and your power feeder to familiarize yourself with the controls, features, and terminology
used in this manual. Doing so will make setup, use, and any future maintenance easier.
Vertical Travel
Handcrank
Vertical
Travel
Lock
Horizontal
Handwheel
Horizontal
Travel Lock
Gearbox Oil Plug
Labeled "OIL"
Located on Top
of Case Behind
Motor
Motor
Upper Elbow
Joint Lock
Rotary
Movement
Lock
Figure 1. Controls and features.
Model G4181/G7873 (Mfd. Since 12/13)
Lower Elbow
Joint Lock
-7-
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-
-8-
Model G4181/G7873 (Mfd. Since 12/13)
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 G4181/G7873 (Mfd. Since 12/13)
-9-
Additional Safety for Power Feeders
Serious injury or death can occur from getting hands, clothing, or jewelry entangled in moving
parts of power feeder or being pulled into cutting tool on attached machinery. Workpieces
ejected by attached machine can strike operator or bystanders with significant force, causing
impact injuries. To minimize risk of injury, anyone operating this machine MUST completely
heed hazards and warnings below.
ATTACHED MACHINERY. Follow all warnings
and safety information for attached machine doing
cutting work.
HAND SAFETY. To reduce risk of accidental
entanglement/pinch injuries between power feeder rollers and workpiece, or contact with blade/cutter of associated machine, keep hands away from
rotating parts of power feeder. Turn power feeder
and associated machine OFF before removing
chips, sawdust, or cutoffs—DO NOT use your
hands.
INSTALLING GUARDS. To reduce risk of kickback and accidental contact with blade/cutter
of associated machine, always install guards,
fences, and hold-downs before starting attached
machine and power feeder. Repair or replace
guards promptly if they become damaged.
KICKBACK. Occurs when workpiece is ejected
from machine at a high rate of speed. To reduce
risk of kickback-related injuries (blindness, broken
bones, bruises, amputation, severe lacerations,
and death), use quality workpieces and proper
setup or maintenance of power feeder or associ-
FEATHERBOARD. When cutting long or large
stock that is difficult to feed properly, use a featherboard with power feeder (on the infeed side) to
maintain even pressure and control of workpiece
against fence, and to help reduce risk of kickback.
FEED WORKPIECE PROPERLY. To reduce risk
of kickback, verify blade or cutter of associated
machine is at full speed before feeding stock
with power feeder. Avoid feeding workpiece too
quickly. Always verify power feeder wheels are
slightly lower than workpiece to ensure it will not
slip during cutting operation. Stop power feeder
BEFORE stopping cutting tool.
WORKPIECE SUPPORT. Loss of workpiece control while feeding can increase risk of kickback.
Support workpiece continuously during operation as required. Use auxiliary stands or support
tables for long or wide stock.
ADJUSTMENTS/MAINTENANCE. Make sure
power feeder and associated machine are turned
OFF, disconnected from power, and all moving
parts are completely stopped before doing adjustments or maintenance.
Like all machines there is danger associated
with this machine. Accidents are frequently
caused by lack of familiarity or failure to pay
attention. Use this machine with respect
and caution to lessen the possibility of
operator injury. If normal safety precautions
are overlooked or ignored, serious personal
injury may occur.
-10 -
No list of safety guidelines can be complete.
Every shop environment is different. Always
consider safety first, as it applies to your
individual working conditions. Use this and
other machinery with caution and respect.
Failure to do so could result in serious personal injury, damage to equipment, or poor
work results.
Model G4181/G7873 (Mfd. Since 12/13)
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.
This machine is prewired to operate on a power
supply circuit that has a verified ground and meets
the following 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:
Availability
Electrocution, fire, shock,
supply.
Full-Load Current Rating
G4181 Circuit Requirements
Nominal Voltage ........................................220V
Cycle .......................................................... 60 Hz
Phase .................................................... 1-Phase
Circuit Rating ...................................... 15 Amps
Plug/Receptacle ............................. NEMA 6-15
G7873 Circuit Requirements
Nominal Voltage ........................................220V
Cycle .......................................................... 60 Hz
Phase .................................................... 3-Phase
Circuit Rating ...................................... 15 Amps
Plug/Receptacle ............................NEMA 15 -15
G4181 220V, 1-Ph ................................. 4.2/2.5A
G7873 220V, 3-Ph ................................ 3.4/ 2.5A
Model G4181/G7873 (Mfd. Since 12/13)
property, consult an electrician if you are
unsure about wiring practices or electrical
codes in your area.
-11-
Grounding Instructions
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.
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:
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.
process. DO NOT connect to power until
Serious injury could occur if you connect
machine to power before completing setup
The plug specified under "Circuit Requirements"
on the previous page has a grounding prong that
must be attached to the equipment-grounding
wire on the included power cord. The plug must
only be inserted into a matching receptacle (see
the following figures) that is properly installed and
grounded in accordance with all local codes and
ordinances.
G4181
Current Carrying Prongs
Grounding Prong
Figure 2. Typical 6-15 plug and receptacle.
GROUNDED
6-15 RECEPTACLE
6-15 PLUG
instructed later in this manual.
Extension Cords
If you must use an extension
G7873
GROUNDED
15-15 RECEPTACLE
15-15 PLUG
Current
Carrying
Grounding Prong
Figure 3. Typical 15-15 plug and receptacle.
No adapter is available or should be used
with this machine. If the machine must be
reconnected for use on a different type of
electric circuit, the reconnection should be
made by qualified service personnel; and
after reconnection, the machine must comply with all local codes and ordinances.
-12-
NOTICE
Prongs
Minimum AWG (G4181) ......16 AWG, 3W, 300V
Minimum AWG (G7873) ...... 16 AWG, 4W, 300V
Maximum Length (Shorter is Better).......50 ft.
Model G4181/G7873 (Mfd. Since 12/13)
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
Unpacking
If items are damaged
call us immediately at (570) 546-9663.
Save all packaging materials until
SUFFOCATION HAZARD!
Needed for Setup
The following are needed to complete the setup
process, but are not included with your machine.
Description Qty
• Safety Glasses ........................................... 1
• Cleaner/Degreaser ..................... As Needed
• Light Machine Oil .................... As Required
• Disposable Shop Rags ............... As Needed
• Medium Grade Thread Locking Liquid ....... 1
machine. Discard immediately.
Model G4181/G7873 (Mfd. Since 12/13)
-13-
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.
Box Inventory (Figures 4 & 5) Qty
A. Power Feeder Assembly ............................ 1
B. Lubricator.................................................... 1
C. Base and Column Assembly ...................... 1
D. Elbow Joint Assembly ................................ 1
E. Base Bolt Pattern Template ........................ 1
F. Handcrank Handle ..................................... 1
G. Horizontal Column Assembly ..................... 1
A
B
Figure 4. Power feeder inventory.
C
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.
D
E
F
G
Figure 5. Base inventory.
-14-
Model G4181/G7873 (Mfd. Since 12/13)
The unpainted surfaces of your machine are
coated with a heavy-duty rust preventative that
prevents corrosion during shipment and storage.
This rust preventative works extremely well, but it
will take a little time to clean.
Be patient and do a thorough job cleaning your
machine. The time you spend doing this now will
give you a better appreciation for the proper care
of your machine's unpainted surfaces.
There are many ways to remove this rust preventative, but the following steps work well in a wide
variety of situations. Always follow the manufacturer’s instructions with any cleaning product you
use and make sure you work in a well-ventilated
area to minimize exposure to toxic fumes.
Before cleaning, gather the following:
• Disposable rags
• Cleaner/degreaser (WD•40 works well)
• Safety glasses & disposable gloves
• Plastic paint scraper (optional)
Basic steps for removing rust preventative:
1.
2.
3.
4.
metal protectant to prevent rust.
Many cleaning solvents
are toxic if inhaled. Only
work in a well-ventilated
Avoid chlorine-based solvents, such as
Cleanup
Gasoline and petroleum
products have low flash
points and can explode
or cause fire if used to
clean machinery. Av oi d
using these products
to clean machinery.
Put on safety glasses.
Coat the rust preventative with a liberal
amount of cleaner/degreaser, then let it soak
for 5–10 minutes.
Wipe off the surfaces. If your cleaner/degreas-
er is effective, the rust preventative will wipe
off easily. If you have a plastic paint scraper,
scrape off as much as you can first, then wipe
off the rest with the rag.
area.
NOTICE
acetone or brake parts cleaner, that may
damage painted surfaces.
T23692—Orange Power Degreaser
A great product for removing the waxy shipping
grease from your machine during clean up.
Repeat Steps 2–3 as necessary until clean,
then coat all unpainted surfaces with a quality
Model G4181/G7873 (Mfd. Since 12/13)
Figure 6. T23692 Orange Power Degreaser.
-15-
Assembly
To correctly position this power feeder on your
table top, completely assemble the power feeder
first in the order of A, B and C as shown in
Figures 7 and 8. Next, refer to Base Mounting
on Page 15. With the power feeder unit completely assembled, it will be easier to locate where
on the table top you will need to drill your base
mounting holes, so you can take advantage of the
full range of power feeder swing and adjustments.
B
A
C
Figure 8. Assembled unit.
You MUST assemble all guards, fences, and
holdowns before starting your machine or
power feeder. Failure to heed this warning
could result in serious personal injury.
Figure 7. Stand assembly.
-16 -
Model G4181/G7873 (Mfd. Since 12/13)
Base Mounting
Position the power feeder on the table top to
determine where to drill your base mounting
holes, so you can maximize power feeder swing
and adjustment options.
There are two mounting options available:
Through Bolt Mounting and Direct Mounting
(discussed on Page 18). Choose an option that
suits your requirements.
Whichever way you mount your power feeder,
you must be able to use the handcranks and lock
levers to position the rubber wheels parallel with
the table surface and approximately
the thickness of your workpiece.
1
⁄8" lower than
Also, you must be able to point the power feeder
slightly towards the machine fence (see Figure 9).
In other words, the tracking of the power feeder
must be toed-in approximately 1° to 1.5° degrees
toward the machine fence, so the rubber wheels
slightly push the workpiece against the fence during cutting operations.
If cutting long or large stock that is difficult to feed
properly, use a featherboard before the power
feeder (on the infeed side) to maintain even pressure and control of the workpiece against the
fence.
4th-Roller
Models
Jointer
Fence Fence
Blade
Cutter
Feed
Cutterhead
Figure 9. Typical power feed mounting on a shaper, jointer, and table saw.
Feed
Optional
Featherboard
Table SawShaper
Feed
Fence
Model G4181/G7873 (Mfd. Since 12/13)
-17-
Mounting Options
To correctly position this power feeder on your
table top, completely assemble the power feeder
first, then refer to this section and mount your
base to the table using one of the two methods
below. The reason for this order is that with the
power feeder unit completely assembled, it will
be easier to locate where on the table top you will
need to drill your base mounting holes, so you can
take advantage of the full range of power feeder
swing and adjustments.
Through-Bolt Mounting
We recommend that you mount your new power
feeder to the machine table with through bolts,
nuts, and washers (see Figure 10). This option
will give the most rigidity and clamping strength to
prevent the feeder base from twisting out of alignment during use. However, if under-table support
webs interfere with washer or nut locations under
the table, you must use an optional clamping kit,
or drill and thread holes directly into the table as
described in Direct Mounting.
Feeder
Base
Machine Table
Table
Support
Webbing
Bolt
Flat Washer
Flat Washer
Lock Washer
Locking Hex Nut
Figure 10. Through-bolt mounting.
Feeder
Base
Machine Table
Bolt
Lock Washer
Flat Washer
Direct Mounting
Use the included mounting template to drill and
tap your table, so the power feeder base can
be directly mounted to the table surface (see
Figure 11). If the table is thinner than
where the threaded holes would be drilled and
tapped, or if support webbing is in the way, the
threads may strip or loosen as the power feeder is
used. Thread locking compound will not cure this
situation. Revert to the Through-Bolt Mounting
option. In any case, make sure to use a mediumgrade liquid thread locking compound on all
threads.
3
⁄8" thick
Table
Support
Webbing
Apply Medium
Grade Thread
Locking Compound
to the Threads
Figure 11. Direct mounting.
-18-
Model G4181/G7873 (Mfd. Since 12/13)
Test Run
Once the power feeder assembly is complete
and mounted on the table, you must test run your
power feeder to make sure it runs properly.
If, during the test run, you cannot easily locate
the source of an unusual noise or vibration, stop
using the power feeder immediately, then review
the Troubleshooting table on Page 24.
If you still cannot remedy a problem, contact our
Technical Support at (570) 546-9663 for assistance.
Loose hair, clothing, or
jewelry could get caught
in machinery and cause
serious personal injury.
Keep these items away
from moving parts at all
times to reduce this risk.
6. Connect the power feeder to the power sup-
ply and use the feed direction switch (see
Figure 12) to test operation in both directions
and both speeds.
—Listen and watch for abnormal noises or
vibrations. The power feeder should run
smoothly.
— Correct for any unusual noises or vibra-
tions before operating the power feeder
any further. Always disconnect the power
feeder from power when investigating or
correcting potential problems.
To test run the power feed:
1. Read the entire instruction manual first!
2. Make sure all tools and foreign objects have
been removed from the tabletop area.
3. Make sure that the power feeder gearbox oil
level is full, the oil level should be 1" below
the oil fill port. Refer to Figure 16 on Page 22
for oil fill port location.
4. Ensure that all tools and objects used during
set up are cleared away from the machine.
5. Adjust and lock the power feeder so the
wheels are held approximately one inch
above the table and nothing will interfere with
wheel rotation.
Figure 12. Feed direction and speed switch.
Model G4181/G7873 (Mfd. Since 12/13)
-19 -
SECTION 4: OPERATIONS
To reduce your risk of
serious injury, read this
entire manual BEFORE
To reduce risk of eye injury from flying
using machine.
chips or lung damage from breathing dust,
always wear safety glasses and a respirator
when operating this machine.
Basic Use and Care
You MUST assemble all guards, fences,
and hold-downs before starting your
machine or power feeder. Failure to heed
this warning could result in amputation or
death!
Power feeders reduce kickback hazards and
improve cutting results by feeding in a consistent
and stable manner. Remember, do not to stand in
the path of potential kickback. When not in use,
support the power feeder with a wooden block so
the rubber wheels are raised above the table and
do not compress from the weight of the power
feeder.
Loose hair, clothing, or
jewelry could get caught
in machinery and cause
serious personal injury.
Keep these items away
from moving parts at all
times to reduce this risk.
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.
The universal joints on this power feeder allow
you to adjust the power feeder tracking and height
to accommodate many workpiece sizes. Before
loosening any lock lever, always support the
power feeder with a block of wood, so the power
feeder does not drop and cause damage.
Adjust the power feeder so it is toed-in approximately 1° to 1.5° degrees towards the machine
fence. This adjustment will ensure that the power
feeder wheels slightly push the workpiece against
the fence during cutting operations (see Figure
9 on Page 17). A featherboard may be used on
the infeed side to assist with feeding long or large
stock.
Next, adjust the power feeder so the rubber
wheels are parallel with the table surface, and are
1
⁄8" lower than the thickness of your workpiece.
This adjustment ensures that the workpiece will
not slip or hang in the middle of a cut. Always
double check that the power feeder wheels are
slightly lower than the workpiece before you begin
feeding operations. Otherwise, the workpiece
may slip and kickback.
-20-
Model G4181/G7873 (Mfd. Since 12/13)
Changing Feed
Speed
Your power feeder has the option to feed a
workpiece at 13, 26, 33, and 66 feet per minute.
These rates are achieved by changing the
combination of change gears (see Figure 13),
and turning the motor switch to the high or low
range operation (see Figure 14).
Always disconnect power
to the machine before
performing maintenance.
Otherwize, serious personal injury may occur!
4. Remove the chain cover and the two hex nuts
securing the position A & B change gears to
the shafts.
5. Swap the required change gears so the gear
hubs are facing toward the power feeder
(shown in positions A & B in Figure 13).
Change Gear
Position A
Change Gear
Position B
To change the feed rate of your power feeder:
1. Turn the dial to OFF (the "0" position).
2. DISCONNECT MACHINE FROM POWER!
3. Refer to the change gear chart (see Figure
14) below to find the gear combination
required for your chosen feed rate.
Low Speed: A, 25 Tooth + B, 40 Tooth = 13 Ft Per Min.
Low Speed: A, 40 Tooth + B, 25 Tooth = 26 Ft Per Min.
High Speed: A, 25 Tooth + B, 40 Tooth = 33 Ft Per Min.
High Speed: A, 40 Tooth + B, 25 Tooth = 66 Ft Per Min.
Motor OFF.
Low Speed W/Optional G4184 Gear Kit: A, 21 Tooth + B, 44 Tooth = 9.4 Ft Per Min.
Figure 13. Change gear locations.
6. Re-install the hex nuts and the chain cover.
Low Speed W/Optional G4184 Gear Kit: A, 44 Tooth + B, 21 Tooth = 18.8 Ft Per Min.
High Speed W/Optional G4184 Gear Kit: A, 21 Tooth + B, 44 Tooth = 41.4 Ft Per Min.
High Speed W/Optional G4184 Gear Kit: A, 44 Tooth + B, 21 Tooth = 82.7 Ft Per Min.
Figure 14. Change gear chart.
Model G4181/G7873 (Mfd. Since 12/13)
-21-
SECTION 5: MAINTENANCE
Always disconnect power
to the machine before
performing maintenance.
Failure to do this may
result in serious personal injury.
Schedule
For optimum performance from your machine,
follow this maintenance schedule and refer to any
specific instructions given in this section.
Daily Check:
• Loose mounting bolts.
• Worn switch.
• Worn or damaged cords and plugs.
• Damaged or worn wheel rubber.
• Any other condition that could hamper the
safe operation of this machine.
• After the first 200 hours of use, or after the
first month, change the gearbox oil with 5.1
fluid ounces of a good automotive grade
80-90W gear oil. For the remaining life of
the power feeder, change the oil every 1000
hours, or every 6 months. Note: To drain the
unit, remove the fill plug labeled "OIL" and
invert the power feeder.
• Every 40 hours of use, or once every two
weeks, wipe clean and lubricate the wheel
grease fittings (see Figure 15) with one
pump from a grease gun filled with automotive grade GL-2 grease.
Grease
Fitting
Cleaning
Frequently blow-off sawdust with compressed
air. This is especially important for the internal
working parts and motor. Dust build-up around
the motor is a sure way to decrease its life span.
If the wheels become loaded up with pitch, oil, or
other residues, wipe them clean using a clean rag
and a mild solvent. Avoid touching the plastic or
paint with mineral spirits or you may damage the
surfaces.
Lubrication
• To prevent surface rust and binding, peri-
odically clean and oil all lock lever and lead
screw threads with a light machine oil.
Figure 15. Wheel lubrication.
• As required to prevent rust, binding, and
dry spots, brush the sprockets, chain, and
change gears (see Figure 16) with a light film
of an automotive grade GL-2 grease.
Oil Fill
Plug
Change
Sprocket
Figure 16. Sprockets, chain, and gears.
Gears
Chain
-22-
Model G4181/G7873 (Mfd. Since 12/13)
ACCESSORIES
order online at www.grizzly.com or call 1-800-523-4777
Installing unapproved accessories may
SECTION 6: 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.
NOTICE
Refer to our website or latest catalog for
additional recommended accessories.
G3101—Polyurethane Roller
G2516 —Rubber Roller
Polyurethane or rubber rollers fits the G3100 or
G1759 roller flange tire system.
D3122—SHOP FOX
Measuring 13
operator to keep their hands at a safe distance
away from the blade or cutter.
Figure 17. D3122 SHOP FOX® Push Stick.
D3096—SHOP FOX
Designed to lock into a standard
slot, this featherboard is fully adjustable to accommodate a wide range of workpieces. Reduce the
likelihood of kickback with this convenient accessory.
1
⁄2" overall, this push stick allows the
®
Push Stick
®
Featherboard
3
⁄8" x 3⁄4" miter
Figure 19. G3101 Polyurethane Roller.
G3100 —Flange with Polyurethane Roller
G1759—Flange with Rubber Roller
The Model G4181 o r G7873 Power Feeder can
save you money over the long haul by replacing
the rollers with one of these roller flange and tire
systems. Once you buy the complete flange and
tire system, you simply replace the inexpensive
rubber or polyurethane tires when they wear out.
Figure 20. G3100 Flange with Polyurethane
Roller.
Figure 18. D3096 SHOP FOX® Featherboard.
Model G4181/G7873 (Mfd. Since 12/13)
-23-
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.
gather the serial number and manufacture date of your machine before calling.
SECTION 7: SERVICE
Troubleshooting
Motor & Electrical
Symptom Possible Cause Possible Solution
Motor will not start. 1. Low voltage.
2. Open circuit in motor or loose connections.
3. Blown fuse tripped circuit breaker.
4. Start capacitor isat fault.
5. Motor switch or motor is at fault.
Fuses or circuit
breakers trip.
Motor overheats. 1. Motor overloaded.
Machine operates
in reverse (G7873
only)
1. Short circuit in line cord or plug.
2. Short circuit in motor or loose connections.
3. Power feeder rollers are jammed.
2. Air circulation through the motor restricted.
1. Power connections wired out of phase
(G7873 only).
1. Check power supply for proper voltage.
2. Inspect all lead connections on motor and circuit
board for loose or open connections.
3. Repair for cause of overload and replace fuse or
reset circuit breaker.
4. Replace start capacitor.
5. Replace switch, or motor.
1. Inspect cord or plug for damaged insulation and
shorted wires and replace extension cord.
2. Inspect all connections on motor for loose or
shorted terminals or worn insulation.
3. Disconnect all machinery from power and correct
for cause of jamming.
1. Reduce power feeder feed rate.
2. Clean out motor fan cover to provide normal air
circulation.
1. Swap any two of the three incoming hot wires on
the motor direction switch shown (see terminals 1,
5, and 21 shown on Page 27).
Note: Please
Workpiece jams
when feeding under
rollers.
Workpiece slips
while passing
beneath rollers.
Workpiece cut is
burnt.
Rough finish or
chipped grain on
workpiece.
Fuzzy grain occurs
when planing or
moulding.
Workpiece hangs
and does not enter
the machine.
-24-
1. Rollers set too low.
2. Feeder at wrong angle.
1. Rollers positioned too high, no traction.
2. Feeding too fast.
3. Rollers are dirty or oily.
4. Worn roller(s).
1. Wrong feed speed.
2. Cutter is at fault.
1. Feed speed too fast.
2. Dull cutter or blade.
3. Power feeder angle is not toed in to keep
workpiece against the fence.
1. Lumber has high moisture content.
2. Dull knives/cutter.
1. Power feeder roller height is set incorrectly.
1. Raise feeder.
2. Adjust angle.
1. Lower feeder.
2. Slow feed speed.
3. Clean roller surface with a mild solvent.
4. Replace roller(s) (Page 25).
1. Adjust feed speed.
2. Sharpen or replace dull blade or cutter.
1. Slow speed.
2. Replace with sharp cutter or blade.
3. Adjust power feeder so it is toed-in 1° to 1.5°
toward the fence.
1. If moisture content is higher than 20%, sticker and
allow to dry.
2. Sharpen or replace knives.
1. Lower the power feeder roller
height of the workpiece.
1
" lower than the
⁄8
Model G4181/G7873 (Mfd. Since 12/13)
Wheel Replacement
Always disconnect power
to the machine before
performing maintenance.
Failure to do this may
result in serious personal injury.
If you damage one or more wheels, you can easily
replace the wheels.
Tools Needed Qty
• Hex Wrench 5mm ....................................... 1
2. Using a 5mm hex wrench, remove the two
wheel retaining cap screws (see Figure 21).
Cap
Screw
Figure 21. Wheel replacement.
3. Swap the old wheel with the new.
To replace a wheel:
1. DISCONNECT MACHINE FROM POWER!
4. Re-install the two cap screws, and tighten in
an alternating pattern until the wheel is seccure.
Model G4181/G7873 (Mfd. Since 12/13)
-25-
G4181 Wiring Diagram
View this page in color at
www.grizzly.com.
V
Two Speed
Motor
Direction
Switch
2 1
6 5
10 9
14 13
Z
18 17
22
R
S
W
X
35MFD
400VAC
Capacitor
1
4
6
3
T
21
5
2
Side A Side B
3 4
7 8
U
11 12
Y
15 16
19 20
23 24
220V
Two Speed
Motor
Ground
Hot
Hot
G
6-15 Plug
-26-
Figure 22. Motor power and direction
switch.
Figure 23. Motor switch and capacitor.
Model G4181/G7873 (Mfd. Since 12/13)
G7873 Wiring Diagram
View this page in color at
www.grizzly.com.
220V
Two Speed
Motor
Hot
Hot
Hot
Side A Side B
3 4
7 8
U
11 12
Y
15 16
19 20
V
23 24
Ground
G
Z
X
W
220V VAC
3-Phase
15-15 Plug
(As Recommended)
Two Speed
Motor
Direction
Switch
2 1
6 5
10 9
14 13
Z
18 17
22
R
S
W
X
T
21
3
4
6
Ground
1
5
2
Figure 24. Motor switch (side view).
Model G4181/G7873 (Mfd. Since 12/13)
Figure 25. Motor switch (front view).
-27-
SECTION 8: PARTS
Main Breakdown
552
595
568
570
506
552
596
505
568
554
508
552
571
563
547
554
511
546
570
504
508
558
504
568
507
557
594
571
558
557
562
545-4
554
571
566
561
504
558
511
25
556
556
555
508
557
566
505
590
555
521
521-1
589
570
556
567
565
521-2
506
511
555
586
512
588
505
553
567
576
502
565
522
550
515
509
526
530
509
517
516
510
529
528
-28-
545 (G4181 Single-Phase)
599 (G7873 Three-Phase)
Only
G4181
545-1
593
559
545-3
560
545-2
509
526
530
538
529
531-1
578
514
503
528
591
501
536
531-2
531-3
531
Model G4181/G7873 (Mfd. Since 12/13)
518
592
Main Parts List
Please Note: We do our best to stock replacement parts whenever possible, but we cannot guarantee that all parts shown here
are available for purchase. Call (800) 523-4777 or visit our online parts store at www.grizzly.com to check for availability.
REF PART # DESCRIPTION REF PART # DESCRIPTION
501 P4181501 WORM GEAR 545-4 P4181545-4 O-RING 69.4 X 3.1 G70
502 P4181502 BUSHING 546 P4181546 COMPLETE SWITCH BOX ASSY
503 P4181503 GEAR 25T W/KEY 547 P4181547 COMPLETE SWITCH ASSY
504 P4181504 CHAIN 26S 550 P4181550 SET SCREW M6-1 X 10
505 P4181505 STEEL TUBE 552 P4181552 WHEEL
506 P4181506 SPROCKET SHAFT 553 P4181553 BUSHING KEY
507 P4181507 SPROCKET SHAFT W/ THREADS 554 P4181554 EXT RETAINING RING 20MM
508 P4181508 GREASE NIPPLE 555 P4181555 SPROCKET CASE HEX BOLT M12-1.75
509 P4181509 EXT RETAINING RING 24MM 556 P4181556 LOCK WASHER 12MM
510 P4181510 GEAR 40T W/KEY 557 P4181557 CAP SCREW M6-1 X 16
511 P4181511 ROLLER SPINDLE 558 P4181558 LOCK WASHER 6MM
512 P4181512 CAP 559 P4181559 HEX BOLT M8-1.25 X 20
514 P4181514 COVER 560 P4181560 LOCK WASHER 8MM
515 P4181515 CHAIN 62S 561 P4181561 GREASE NIPPLE
516 P4181516 DOUBLE SPROCKET 562 P4181562 SPROCKET CASE
517 P4181517 CHAIN 40S 563 P4181563 TORSION SPRING (B) 3.8 X 102
518 P4181518 KNOB 565 P4181565 GREASE NIPPLE
521 P4181521 OIL CAP ASSEMBLY 566 P4181566 SPROCKET CASE
521-1 P4181521-1 OIL CAP 567 P4181567 TORSION SPRING (A) 3.8 X 102
521-2 P4181521-2 O-RING 14.8 X 2.4 P15 568 P4181568 CASE COVER
522 P4181522 FRAME 570 P4181570 ROLLER SUPPORT
522-1 P4181522-1 FRAME RING 571 P4181571 SPROCKET
526 P4181526 SPROCKET 576 P4181576 BUSHING
528 P4181528 HEX NUT M12-1.75 578 P4181578 CAP SCREW M5-.8 X 16
529 P4181529 FLAT WASHER 12MM 586 P4181586 CAP SCREW M5-.8 X 10
530 P4181530 EXT RETAINING RING 13MM 588 P4181588 O-RING 27.5 X 2.0 S28
531 P4181531 WORM GEAR BOX COVER ASSEMBLY 589 P4181589 QC LABEL
531-1 P4181531-1 O-RING 101.19 X 3.53MM 590 P4181590 GENERAL WARNING LABEL
531-2 P4181531-2 GEAR BOX COVER 591 P4181591 COVER WARNING LABEL
531-3 P4181531-3 OIL SEAL 592 P4181592 GRIZZLY LOGO PLATE
536 P4181536 BALL BEARING 6203ZZ 593 P4181593 SWITCH DIRECTION LABEL
538 P4181538 GREASE GUN 594 P4181594 ELECTRICITY LABEL
545 P4181545 MOTOR 1HP 220V 1-PH (G4181) 595 P4181595 CAP SCREW M5-.8 X 20
545-1 P4181545-1 FAN COVER 596 P4181596 LOCK WASHER 5MM
545-2 P4181545-2 FAN 599 P7873599 MOTOR 1HP 220V 3-PH (G7873)
545-3 P4181545-3 S CAPACITOR 35M 400V
Model G4181/G7873 (Mfd. Since 12/13)
-29-
685A
686A
685
Base Breakdown
687
686
635
678-4
681-6
681-3
681V2
678-4
698A
678-3
698-4
623V2
698-3
629
676-1V2
698-1
698-5
698-2V2
698-7
698-6
684
678-2V2
678-5
678-1
680
602
601
603
678-3
681-1
651
636V2
635
680A
636A
681-5
634
681-7
681-4
678-5
678-2V2
681-2V2
649
650
699-2
649A
699
699-1
699-4
REF PART # DESCRIPTION REF PART # DESCRIPTION
601 P4181601 SET SCREW M8-1.25 X 20 681-3 P4181681-3 T-HANDLE W/HOLE FOR PIN
602 P4181602 LOCK WASHER 8MM 681-4 P4181681-4 ROLL PIN 6 X 22
603 P4181603 HEX NUT M8-1.25 681-5 P4181681-5 FLAT WASHER 10MM
623V2 P4181623V2 OVER ARM 720MM V2.12.13 681-6 P4181681-6 HEX BOLT M10-1.5 X 50
629 P4181629 SET SCREW M8-1.25 X 12 681-7 P4181681-7 STRAIN RELIEF
634 P4181634 ROLL PIN 6 x 22 684 P4181684 ELEVATING SCREW M19-4 X 380
635 P4181635 ROLL PIN 6 x 36 685A P4181685A COLUMN CAP ASSEMBLY
636A P4181636A HANDWHEEL ASSEMBLY 685 P4181685 COLUMN CAP
636V2 P4181636V2 HANDWHEEL W/O HANDLE V2.12.13 686A P4181686A CRANK ASSEMBLY
649A P4181649A SWIVEL CONE ASSEMBLY 686 P4181686 CRANK
649 P4181649 SWIVEL CONE 687 P4181687 HANDLE M10-1.5 X 70
650 P4181650 MOTOR CLAMP CONNECTOR 698A P4181698A COLUMN BASE ASSEMBLY
651 P4181651 T-HANDLE 698-1 P4181698-1 COLUMN BASE
676-1V2 P4181676-1V2 VERTICAL COLUMN 560MM V2.12.13 698-2V2 P4181698-2V2 HEX BOLT M12-1.75 X 75
678-1 P4181678-1 ELEVATING BRACKET 698-3 P4181698-3 FLAT WASHER 12MM
678-2V2 P4181678-2V2 HEX BOLT M12-1.75 X 75 698-4 P4181698-4 T-HANDLE W/THREADS
678-3 P4181678-3 FLAT WASHER 12MM 698-5 P4181698-5 INT TOOTH WASHER 12MM
678-4 P4181678-4 T-HANDLE W/THREADS 698-6 P4181698-6 LOCK WASHER 12MM
678-5 P4181678-5 INT TOOTH WASHER 12MM 698-7 P4181698-7 HEX BOLT M12-1.75 X 50
680A P4181680A PINION ASSEMBLY 699 P4181699 MOTOR CLAMP ASSEMBLY
680 P4181680 PINION 699-1 P4181699-1 MOTOR CLAMP
681V2 P4181681V2 OVER ARM CONE ASSY V2.12.13 699-2 P4181699-2 HEX BOLT M8-1.25 X 50
681-1 P4181681-1 OVER ARM CONE 699-4 P4181699-4 LEVER
681-2V2 P4181681-2V2 STANDOFF-HEX V2.12.13
-30-
Model G4181/G7873 (Mfd. Since 12/13)
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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