Grizzly G0645 - User Manual

Questions and Answers

C
Carla GutierrezJul 26, 2025
Why does my Grizzly G0645 Power Tool mortising bit smoke and burn the workpiece?
- J
  Jake ZhangJul 26, 2025
  The mortising bit may smoke and burn the workpiece due to several reasons. The drill bit might be dull, so you should sharpen or replace the drill bit and chisel. Your drilling pressure could be too aggressive, causing the drill bit to overheat; in this case, adjust the drill bit depth, reduce drilling pressure, and clear chips often. Wood chips may load up in the chisel, leading to overheating; try applying a small amount of beeswax to the drill bit, face the chisel slot sideways, and clear chips often. The wood might be too green, have high moisture content, or is pressure treated; only mortise dry, untreated wood.
A
angelica01Aug 5, 2025
What to do if my Grizzly G0645 Power Tool mortising bit and chisel are noisy, chatter, and smoke?
- S
  Sabrina BaileyAug 5, 2025
  If your mortising bit and chisel are extremely noisy, chatter, and smoke, consider these potential causes. First, the drill bit might be out of alignment with the chisel; try reinstalling the chisel in a different position. Second, the chisel mounting bushing could be loose or damaged, leading to poor drill bit-to-chisel alignment; replace the bushing, being careful not to overtighten the chisel retaining set screw. Third, the chisel or drill bit may be bent; replace the chisel and drill bit as a matched set. Note that some amount of chatter and smoke is normal.
G
garciaaaronAug 14, 2025
How to fix a Grizzly Power Tool when it's difficult to pull the lever down?
- M
  Michael MillerAug 14, 2025
  If it's difficult to pull the lever down during machine operation, consider the following: 1. The drill bit might not protrude enough from the end of the chisel; adjust the drill bit depth. 2. The chisel or drill bit could be dull; sharpen or replace the drill bit and chisel. 3. The mortising operating handle might not be positioned for maximum leverage; adjust the handle for maximum length and position it so you have the maximum leverage at the most difficult mortising depth. 4. The chisel might be too big for the job; use up to a 1/2" long chisel (maximum).

Summary

INTRODUCTION

Foreword

Provides an overview of the mortising machine and manufacturer's commitment.

Contact Info

Details Grizzly Industrial's contact addresses for comments and service inquiries.

Machine Data Sheet

Reference to the detailed specifications and data for the machine.

MACHINE DATA SHEET

Product Dimensions

Details weight, length, width, and height of the machine.

Shipping Dimensions

Details packaging type, weight, and dimensions for shipping.

Electrical

Details switch type, voltage, cord length, gauge, and breaker size.

Motors

Details motor type, horsepower, voltage, phase, amps, speed, and bearings.

Main Specifications

Details spindle taper, number of speeds, and speed range.

Cutting Capacities

Lists maximum stock width, depth, chisel travel, and chisel sizes.

Table Information

Details table size length, width, and thickness.

Chuck Information

Details chuck size and capacity.

Construction

Lists materials for base, head, table, and paint type.

Other Specifications

Lists country of origin, warranty, serial number location, and assembly time.

Features

Lists integrated features like tool storage, included chisels, and movement types.

IDENTIFICATION

SECTION 1: SAFETY

Safety Instructions for Machinery

General safety warnings and guidelines for operating machinery safely.

Additional Safety for Mortising Machines

Specific safety precautions and warnings related to mortising machines.

SECTION 2: CIRCUIT REQUIREMENTS

110 V Operation

Electrical requirements and safety precautions for 110V power connection.

SECTION 3: SETUP

Setup Safety

Critical safety measures to follow during the machine setup process.

Items Needed for Setup

Lists necessary tools and materials required but not included for setup.

Unpacking

Instructions for safely unpacking the machine and inspecting for shipping damage.

Inventory

Lists all components included with the machine for verification.

Hardware Recognition Chart

A guide to identify and match hardware during the assembly process.

Clean Up

Procedures for cleaning the machine, including removing protective coatings.

Site Considerations

Guidance on selecting a suitable workbench and location for optimal use.

Mounting

Instructions for securely attaching the mortising machine to a workbench.

Assembly

Step-by-step instructions for assembling the various components of the machine.

Test Run

Procedures for performing a test run after assembly to ensure proper function.

SECTION 4: OPERATIONS

Operation Safety

Essential safety precautions for operating the mortising machine.

Basic Controls

Identifies and explains the function of the machine's main operational controls.

Basic Operations

Outlines the fundamental steps for performing a mortising operation.

Installing Mortising Chisel

Detailed steps for correctly installing the mortising chisel and drill bit.

Adjusting Depth Stop Rod

Guide on setting the depth stop for precise mortise depth control.

Adjusting Fence

Instructions for positioning and securing the fence for accurate mortise placement.

Hold Down

Explains the function and usage of the hold down clamp for workpiece stability.

Basic Mortising Operations

Step-by-step guide for performing a standard mortise cut.

Rotating Column

Instructions on rotating the column for mortising taller workpieces.

SECTION 5: ACCESSORIES

H7583-Tenoning Jig

Details the H7583 Tenoning Jig for making tenons on a table saw.

SECTION 6: MAINTENANCE

Schedule

Recommends a maintenance schedule for optimal machine performance.

Cleaning

Procedures for cleaning the machine and its components.

Unpainted Cast Iron

Advice on protecting unpainted cast iron surfaces from rust and corrosion.

Drill Bits & Mortising Chisels

Maintenance tips for drill bits and mortising chisels, including lubrication.

SECTION 7: SERVICE

Troubleshooting

Addresses common problems and provides solutions for motor, electrical, and operations.

Adjusting Gibs

Instructions for adjusting the headstock gib for smooth sliding action.

Replacing Gas Spring

Guide for replacing the gas spring that supports the headstock.

Electrical Components & Wiring Diagram

Visual diagram of the machine's electrical components and wiring.

Parts Breakdown

An exploded view of the machine showing all parts and their numbers.

Parts List

A detailed list of all machine parts, their part numbers, and descriptions.

Label Placement

Information on the location and importance of safety labels on the machine.

WARRANTY AND RETURNS

Grizzly G0645 Specifications

General

Model	G0645
Blade Diameter	10 inches
Max. Depth of Cut @ 90 Degrees	3-1/8 inches
Max. Depth of Cut @ 45 Degrees	2-1/4 inches
Max. Rip Capacity Left of Blade	12 inches
Table Size	27 x 40 inches
Max Cutting Height	3-1/8 inches
Dust Port Size	4 inches
Arbor Size	5/8 inch
Voltage	110V/220V
Phase	Single-Phase
Max Cutting Width	30 inches