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Grizzly G0857 - User Manual

Grizzly G0857
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For questions or help with this product contact Tech Support at (570) 546-9663 or techsupport@grizzly.com
Model G0858
***IMPORTANT UPDATE***
For Machines Mfd. Since 07/19
and Owner's Manual Revised 06/19
COPYRIGHT © NOVEMBER, 2019 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.
#BL20773 PRINTED IN TAIWAN
The following changes were recently made since the owner's manual was printed:
Machine is shipped without blade guard installed.
Revised Assembly instructions on Page 21. The revised steps below replace existing Step 9.
IMPORTANT: YOU MUST INSTALL GUARD BEFORE OPERATING MACHINE THE FIRST TIME!
Aside from this information, all other content in the owner's manual applies and MUST be read and under-
stood for your own safety. IMPORTANT: Keep this update with the owner's manual for future reference.
For questions or help, contact our Tech Support at (570) 546-9663 or techsupport@grizzly.com.
Revised Assembly Steps
9. Set fence to 90° and move it all the way back.
10.
Remove pre-installed button head cap screw
and fender washer from bottom of cutterhead
guard shaft; then loosen shaft lock and insert
shaft into mounting hole, positioned so guard
rests against fence (see Figure 14).
12.
Verify proper operation of cutterhead guard
by setting fence to 90°, moving fence to rear
of table, then pulling cutterhead guard back
and letting it go. It should spring back over
cutterhead and contact fence without drag-
ging across outfeed table.
I f cutterhead guard does not spring back
over cutterhead and contact fence, or if it
drags across outfeed table, then it must
be adjusted (refer to Checking/Adjusting
Cutterhead Guard on
Page 53 for
instructions).
The cutterhead guard is a critical safety
feature of this jointer. You MUST verify its
operation before using the jointer! Failure
to properly install this guard will greatly
increase risk of serious personal injury.
11. Position guard height as low as possible with-
out dragging on infeed table/rabbeting ledge
(approximately
1
16" above infeed table), tight-
en shaft lock to secure setting, then install
button head cap screw and fender washer.
Figure 14. Cutterhead guard components.
Cutterhead Guard
Fence
Shaft Lock

Questions and Answers

  • D
    Darrell GriffinJul 28, 2025
    What to do if my Grizzly G0857 Power Tool doesn't start?
    • K
      Kelly ElliottJul 28, 2025
      If your Grizzly Power Tool doesn't start or the breaker trips right away, here's what to check: * Make sure you're using the correct voltage and circuit size. * Check the circuit breaker or fuse; reset or replace if needed, ensuring there are no shorts. * Verify the motor wires are correctly connected. * Look for and fix any broken, disconnected, or corroded wires. * Test and replace the ON/STOP switch if it's faulty. * Test and replace the start capacitor if necessary. * Adjust or replace the centrifugal switch if possible. * Test, repair, or replace the motor if it's at fault.
  • L
    Lisa VegaAug 11, 2025
    How to reduce vibration in my Grizzly Power Tool?
    • J
      James LeeAug 11, 2025
      If your Grizzly Power Tool is vibrating excessively or is unusually noisy, try the following: * Ensure mobile base lock knobs are tight, or adjust the stand feet to properly stabilize the machine. * Replace any missing bolts or nuts, and tighten any loose ones on the motor or other components. * Inspect, tension, or replace the belt. * Fix or replace the fan cover if the motor fan is rubbing; replace the fan if it's loose or damaged. * Secure the pulley on the shaft or realign it. * Sharpen or replace knives; rotate or replace inserts. * Replace the cutterhead bearings if they are faulty. * Adjust or replace the centrifugal switch if available. * Test, repair, or replace the motor bearings.
  • J
    Joann ReyesAug 19, 2025
    What to do if the table on my Grizzly Power Tool is hard to adjust?
    • N
      Natalie HicksAug 19, 2025
      If the table on your Grizzly Power Tool is hard to adjust: * Make sure the table lock is completely disengaged. * Loosen or reset the table stop.
  • D
    douglas74Nov 3, 2025
    Why is my Grizzly G0857 stalling?
    • D
      David FischerNov 3, 2025
      If your Grizzly Power Tool stalls or seems underpowered, consider these potential causes and solutions: * Ensure the material you're working with is appropriate for the tool. * Reduce the rate at which you're feeding material into the machine. * Decrease the depth of cut. * Sharpen or replace the knives or rotate/replace the inserts. * Check the belt tension and alignment of the pulleys; tension or replace the belt and align the pulleys as needed. * Clear any blockages in the dust collection system, seal leaks, use smooth-wall duct, eliminate bends and close any open branches. * Clean the motor, allow it to cool, and reduce the workload. * Tighten or replace any loose pulleys or shafts; replace the shaft key and tighten the pulley set screw. * Test, repair, or replace th...

Summary

Introduction to the Jointer

Contact Information and Manual Accuracy

Guidance on contacting Grizzly support and ensuring manual accuracy.

Model Differences: G0857 vs. G0858

Highlights the key distinctions between the two jointer models.

Machine Identification and Controls

Identifying Jointer Components

Visual guide to the parts and features of the jointer.

Overview of Controls and Operation

Explanation of the jointer's primary controls and their functions.

Machine Data Sheet

General Machine Specifications

Key specifications like dimensions, weight, and electrical requirements.

Detailed Component Specifications

Specifics on fence, cutterhead, knives, tables, and construction materials.

Safety Precautions

General Machinery Safety Instructions

Essential safety guidelines applicable to all machinery operations.

Jointer-Specific Safety Warnings

Critical safety advice tailored for safe jointer operation.

Power Supply and Electrical

Electrical Requirements and Circuit Setup

Details on voltage, amperage, and circuit needs for safe power connection.

Grounding and Extension Cord Guidelines

Proper grounding procedures and recommendations for using extension cords.

Setup and Assembly

Preparation for Setup and Unpacking

Items needed, unpacking process, and inventory check before assembly.

Assembling the Jointer

Step-by-step instructions for the physical assembly of the machine.

Post-Assembly Setup Procedures

Essential setup tasks including test runs, belt tensioning, and switch locking.

Jointer Operations

Operation Overview and Workflow

A general understanding of how to operate the jointer safely and effectively.

Stock Inspection and Preparation

Guidelines for selecting and preparing wood for accurate jointing.

Performing Core Jointer Operations

Instructions for squaring, planing, edge jointing, beveling, and rabbeting.

Setting Depth of Cut and Positive Stops

Adjusting the infeed table for precise depth of cut and using positive stops.

Maintenance and Cleaning

Routine Maintenance Schedule

Recommended ongoing and monthly maintenance tasks for optimal performance.

Cleaning and Protecting Machine Surfaces

Methods for cleaning and protecting unpainted cast iron and steel.

Lubrication Procedures for Moving Parts

Guidance on lubricating fence and carriage ways, and unlubricated bearings.

Service and Adjustments

Troubleshooting Common Jointer Issues

Identifying and resolving problems with motors, electrical systems, and operation.

Cutterhead Knife and Insert Service

Procedures for setting, replacing, or rotating jointer knives and inserts.

Table Alignment and Height Adjustments

Ensuring table parallelism and adjusting outfeed table height for accuracy.

Fence Stops and Depth Scale Calibration

Setting fence stops and calibrating the depth-of-cut scale.

Belt Tension and Pulley Alignment

Procedures for maintaining belt tension and aligning pulleys.

Cutterhead Guard Adjustment

Checking and adjusting the cutterhead guard for proper safety operation.

Wiring, Parts, and Labels

Electrical Wiring Safety and Diagrams

Safety instructions and wiring diagrams for electrical connections.

Parts Identification and Ordering

Lists and diagrams for identifying and ordering jointer parts.

Safety Labels and Machine Identification

Locations and descriptions of all safety and identification labels on the machine.

Warranty and Support

Warranty Claims and Return Process

Information on product warranty, making claims, and returning merchandise.

Contacting Grizzly Industrial for Support

How to get assistance, register your product, and contact customer service.

Grizzly G0857 Specifications

General IconGeneral
Motor Power3 HP
WeightI don't know
Cutterhead speed5000 RPM
Number of knives3
Voltage220V
PhaseSingle-phase
Dust Port Size4 inches
Motor3 HP, 220V, single-phase
Maximum cutting width15 inches
Maximum cutting height6 inches
Feed rates16 and 20 FPM
Max Cutting Height at 90°6 inches
Knife size15" x 1" x 1/8"

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