Grizzly T33959 User Manual (English)

Questions and Answers:

S
Stephanie SanchezAug 21, 2025
Why are my Grizzly T33959 Power Tool cutters breaking?
- T
  Taylor MurrayAug 21, 2025
  There are several reasons why your Grizzly Power Tool cutters might be breaking: * The spindle speed or feed rate may be too fast, so reduce them. * You might be taking too big of a cut at one time, so decrease feed pressure and allow chips to clear. * The cutting tool may be too small, so use a larger cutting tool and slower feed rate. * The cutting tool may be getting too hot, so use coolant or oil or reduce cutting speed. * You may be using the wrong cutting technique, tool, or machine for the job, so use the right ones. * The spindle may be extended too far down, so fully retract the spindle and raise the table to increase rigidity.
D
Deanna KellerAug 22, 2025
Why does my Grizzly T33959 vibrate during operation?
- C
  Cynthia ColeAug 22, 2025
  If your workpiece or tool vibrates or chatters during operation, consider the following: * The spindle may be extended too far down, so fully retract it and raise the table. * Table locks may not be tight, so tighten them. * The workpiece may not be secure, so properly clamp it on the table or in a vise. * The spindle speed or feed rate may be too fast, so reduce them. * The quill shaft lock screw may not be adjusted correctly, so adjust it.
G
gjonesAug 25, 2025
How to improve surface finish with Grizzly T33959 Power Tool?
- A
  Anthony JacksonAug 25, 2025
  If you're experiencing a bad surface finish with your Grizzly Power Tool, consider the following: * The spindle speed or feed rate may be too fast, so reduce them. * The cutting tool/bit may be dull or incorrect, so sharpen it or select one that better suits the operation. * The workpiece may not be secure, so properly clamp it on the table or in a vise. * The spindle may be extended too far down, so fully retract it and raise the table to increase rigidity.
J
Joy MartinezAug 26, 2025
What to do if Grizzly T33959 drill bit slips?
- T
  Todd BlevinsAug 27, 2025
  If the drill bit or cutting tool slips in the chuck or gets stuck in the workpiece, check the following: * The chuck jaws may be loose, so tighten them. * The workpiece might be squeezing the drill bit, so properly clamp the workpiece on the table or in a vise. * The feed rate might be too fast, so decrease it. * The spindle speed or feed rate may be too slow, so increase them.
J
James PayneAug 27, 2025
Why is my Grizzly T33959 Power Tool vibrating?
- K
  Kelly WalkerAug 28, 2025
  If your Grizzly Power Tool is vibrating or operating noisily, there could be a few reasons: * The motor fan might be rubbing on the fan cover. You can fix or replace the fan cover, or replace a loose or damaged fan. * The spindle bearings could be at fault. Test by rotating the spindle; rotational grinding or a loose shaft requires bearing replacement. * The motor bearings could be at fault. Test by shaft; rotational grinding or a loose shaft requires bearing replacement.
A
Ashley VasquezAug 29, 2025
Why is there wobbling in my Grizzly T33959 Power Tool drill bit?
- J
  Julie ShortAug 30, 2025
  Excessive runout or wobbling in the chuck or drill bit of your Grizzly Power Tool can be caused by: * Debris on the chuck, arbor, or in the spindle taper. Remove the chuck and arbor, clean these components, and reinstall them, deburring mating surfaces if necessary. * A bent tool or bit. Replace it with a straight one. * Incorrect tool or bit installation. Install the tool or bit correctly or replace it. * Worn spindle bearings. Replace the spindle bearings.
G
gcampbellAug 31, 2025
How to fix a loose tool in Grizzly T33959 Power Tool chuck?
- A
  April RivasAug 31, 2025
  If the tool falls out or is loose in the chuck of your Grizzly Power Tool, it could be due to: * Loose chuck jaws. Try tightening the chuck jaws. * Excessive feed pressure. Decrease the feed pressure and allow chips to clear.
J
Jessica Bowen MDSep 2, 2025
Why is the digital readout not working on my Grizzly Power Tool?
- R
  Rebecca CrawfordSep 2, 2025
  If the digital readout on your Grizzly Power Tool does not illuminate or the display is incorrect, consider: * The speed sensor might be catching on the pulley. Adjust the sensor position. * The wiring might be broken, disconnected, or corroded. Fix any broken wires or disconnected/corroded connections. * The speed sensor could be at fault. Replace the sensor. * The spindle speed digital readout might be damaged. Replace the spindle speed digital readout.
W
Wanda BennettSep 4, 2025
Why doesn't the laser guide illuminate on my Grizzly Power Tool?
- K
  Kelly Burnett MDSep 4, 2025
  If the laser guide on your Grizzly Power Tool does not illuminate, it could be due to: * The lens being covered with dust. Clean the lens. * Broken, disconnected, or corroded wiring. Fix the broken wires or disconnected/corroded connections. * Damaged or faulty laser module(s). Replace the laser module(s). * A damaged or faulty spindle speed digital readout circuit board. Replace the spindle speed digital readout. * A damaged or faulty laser LED driver. Replace the driver. * A faulty laser switch. Replace the laser switch.
A
arthur84Sep 6, 2025
Why is the LED not illuminating on my Grizzly T33959 Power Tool?
- A
  Anna HernandezSep 6, 2025
  If the LED on your Grizzly Power Tool is not illuminating, it could be due to: * The lens being covered with dust. Clean the lens. * Broken, disconnected, or corroded wiring. Fix the broken wires or disconnected/corroded connections. * A damaged or faulty LED. Replace the LED. * A damaged or faulty spindle speed digital readout circuit board (T33959/T33960 only). Replace the spindle speed digital readout. * A damaged or faulty LED driver (T33961 only). Replace the driver. * A faulty LED switch. Replace the LED switch.

Grizzly T33959 Specifications

General

Brand	Grizzly
Model	T33959
Category	Power Tool
Language	English

Summary

Introduction to Your Drill Press Manual

Contact Information for Support

How to contact Grizzly for technical support and manual feedback.

Manual Accuracy and Update Information

Information on manual accuracy, potential machine differences, and obtaining updates.

Machine Identification and Controls

Component Identification Guide

Familiarization with the names and locations of controls and features.

Control Panel Overview

Description of power controls and switches for T33959/T33960 models.

Headstock Controls and Components

Identification of controls and components on the headstock of the drill press.

Power Transfer and Table Controls

Details on power transfer mechanisms and table adjustment controls.

Machine Specifications and Data

Machine Data Sheet Details

Comprehensive data with dimensions, electrical, and motor specifications.

Operation Information and Capacities

Key operational specs like speeds, taper, and drilling capacity.

Safety Precautions

General Machinery Safety

Critical safety instructions for operating machinery safely.

Drill Press Specific Safety

Additional safety warnings and advice specific to drill press operation.

Power Supply Requirements

Power Circuit and Availability

Requirements for power supply availability and circuit specifications.

Grounding and Extension Cords

Proper grounding requirements and guidelines for using extension cords.

Setup and Installation Procedures

Setup Checklist and Unpacking

Items needed for setup and instructions for unpacking the machine.

Inventory and Hardware Identification

Listing shipped items and a chart to identify hardware.

Machine Cleanup Procedures

Procedures for cleaning the machine, removing rust preventative.

Site Considerations and Clearances

Factors for machine placement and working clearances.

Mounting and Anchoring Methods

Instructions for bench mounting and floor anchoring.

Assembly and Initial Operations

Machine Assembly Steps

Step-by-step guide for assembling the drill press components.

Joining Drill Chuck and Arbor

Procedure for correctly joining the drill chuck and arbor.

Test Run Procedure

Steps to perform a test run to ensure proper functionality.

Spindle Break-In Procedure

Procedure for breaking in spindle bearings for T33960/T33961 models.

Operating the Drill Press

Operation Overview

Basic understanding of how to use the machine for typical operations.

Installing and Removing Bits/Arbors

Procedures for installing and removing drill bits and arbors.

Selecting Spindle Speeds

Guidance on choosing appropriate spindle speeds using a speed chart.

Changing Spindle Speed and Range

How to adjust spindle speed and speed ranges on different models.

Adjusting Depth Stop

Steps for setting and calibrating the depth stop for precise drilling.

Positioning the Drill Press Table

Instructions for rotating, raising, lowering, and tilting the table.

Adjusting Laser Guide

How to check and adjust the laser guide for accurate alignment.

Adjusting LED Worklight

Guide to using and repositioning the LED worklight.

Maintenance and Lubrication

Maintenance Schedule

Recommended schedule for ongoing, weekly, and monthly maintenance.

Cleaning and Surface Protection

Methods for cleaning the machine and protecting its surfaces.

Lubrication Procedures

Essential lubrication tasks for maintaining smooth operation.

Quill and Column Maintenance

Cleaning and lubricating quill, column, rack, and pinion.

Service and Troubleshooting

Troubleshooting Guide

Common symptoms, possible causes, and solutions for machine issues.

Adjusting Return Spring Tension

How to adjust the spring tension for the quill recoil.

V-Belt Replacement Procedures

Steps for replacing spindle and drive belts on the machine.

Calibrating Depth Stop

Procedure to calibrate the depth stop scale if it becomes inaccurate.

Component Replacement Procedures

Laser Module and LED Replacement (T33959/T33960)

Instructions for replacing laser modules and LEDs on specific models.

Laser Module and LED Replacement (T33961)

Instructions for replacing laser modules and LEDs on the T33961 model.

Wiring and Electrical Systems

Wiring Safety Instructions

Critical safety precautions when working with electrical wiring.

Wiring Diagrams

Electrical wiring diagrams for T33959/T33960 and T33961 models.

Electrical Component Identification

Visual guide to electrical components for T33959/T33960 models.

Parts Identification and Lists

T33959 Main Parts List

Illustrated parts list and reference numbers for the T33959 model.

T33960 Main Parts List

Illustrated parts list and reference numbers for the T33960 model.

T33961 Main Parts List

Illustrated parts list and reference numbers for the T33961 model.

Labels and Cosmetics

Labels for T33959/T33960

Identification and location of labels for T33959/T33960 models.

Labels for T33961

Identification and location of labels for the T33961 model.

Warranty and Support Information

Warranty Information and Terms

Details on the product warranty period, terms, and exclusions.

Obtaining Support and Warranty Registration

How to contact for support and register the product warranty.

Related product manuals

Grizzly T33959 User Manual

Table of Contents

Questions and Answers:

Grizzly T33959 Specifications

Summary

Introduction to Your Drill Press Manual

Contact Information for Support

Manual Accuracy and Update Information

Machine Identification and Controls

Component Identification Guide

Control Panel Overview

Headstock Controls and Components

Power Transfer and Table Controls

Machine Specifications and Data

Machine Data Sheet Details

Operation Information and Capacities

Safety Precautions

General Machinery Safety

Drill Press Specific Safety

Power Supply Requirements

Power Circuit and Availability

Grounding and Extension Cords

Setup and Installation Procedures

Setup Checklist and Unpacking

Inventory and Hardware Identification

Machine Cleanup Procedures

Site Considerations and Clearances

Mounting and Anchoring Methods

Assembly and Initial Operations

Machine Assembly Steps

Joining Drill Chuck and Arbor

Test Run Procedure

Spindle Break-In Procedure

Operating the Drill Press

Operation Overview

Installing and Removing Bits/Arbors

Selecting Spindle Speeds

Changing Spindle Speed and Range

Adjusting Depth Stop

Positioning the Drill Press Table

Adjusting Laser Guide

Adjusting LED Worklight

Maintenance and Lubrication

Maintenance Schedule

Cleaning and Surface Protection

Lubrication Procedures

Quill and Column Maintenance

Service and Troubleshooting

Troubleshooting Guide

Adjusting Return Spring Tension

V-Belt Replacement Procedures

Calibrating Depth Stop

Component Replacement Procedures

Laser Module and LED Replacement (T33959/T33960)

Laser Module and LED Replacement (T33961)

Wiring and Electrical Systems

Wiring Safety Instructions

Wiring Diagrams

Electrical Component Identification

Parts Identification and Lists

T33959 Main Parts List

T33960 Main Parts List

T33961 Main Parts List

Labels and Cosmetics

Labels for T33959/T33960

Labels for T33961

Warranty and Support Information

Warranty Information and Terms

Obtaining Support and Warranty Registration

Related product manuals