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Grizzly T31999 - User Manual

Grizzly T31999
32 pages
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COPYRIGHT © MARCH, 2020 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.
#KS20992 PRINTED IN CHINA
MODEL T31999
BISCUIT JOINER
OWNER'S MANUAL
(For models manufactured since 02/20)
V1.03.20

Table of Contents

Questions and Answers

  • J
    jamesfrenchJul 29, 2025
    Why Grizzly Biscuit Joiner does not start?
    • S
      Sylvia PattersonJul 29, 2025
      If your Grizzly Biscuit Joiner doesn't start or the fuse/breaker trips, the issue could stem from several causes. First, the circuit breaker might have tripped, or the fuse blown; in this case, ensure the circuit is correctly sized and free of shorts, then reset the breaker or replace the fuse. Alternatively, there may be an incorrect power supply voltage or circuit size, so verify that the voltage and circuit size are correct. Other potential causes include broken, disconnected, or corroded wiring (check and fix these), faulty motor brushes (remove or replace them), a faulty ON/OFF switch (replace it), or a problem with the motor itself (test, repair, or replace it).
  • S
    samanthahallAug 6, 2025
    What to do if Grizzly Biscuit Joiner stalls?
    • A
      Anthony StewartAug 7, 2025
      If your Grizzly Biscuit Joiner stalls or seems underpowered, it could be due to several reasons. The workpiece material might not be suitable, so only cut wood and ensure its moisture content is below 20%. The tool could be undersized for the task, so reduce the feed rate or depth of cut. A full dust bag can also cause this, so empty the bag and clear the dust port. Other potential causes include a faulty blade (remove or replace it), worn motor brushes (remove or replace them), faulty motor bearings (test, repair, or replace them), an overheated motor (clean it, let it cool, and reduce the workload), or a problem with the motor itself (test, repair, or replace it).
  • V
    Valerie SmithAug 17, 2025
    How to reduce vibration in Grizzly Biscuit Joiner?
    • M
      michaelthomasAug 17, 2025
      If your Grizzly Biscuit Joiner is vibrating excessively or operating noisily, several factors could be responsible. Start by checking if the motor, blade, or any other component is loose; if so, tighten it, and replace any damaged or missing bolts or nuts. A faulty blade could also be the culprit, so consider replacing it. Make sure that the workpiece is properly secured. Finally, examine the motor bearings; if they feel rough when you rotate the shaft or if the shaft is loose, the bearings likely need replacement.

Summary

SECTION 1: SAFETY

Safety Instructions for Power Tools

General safety guidelines and symbol explanations for operating the equipment safely.

Electrical Safety

Precautions regarding electrical connections, grounding, and handling power cords to prevent shock.

Wearing Proper Apparel

Hazardous Dust

Awareness and protection measures against potentially harmful dust generated during operation.

Hearing Protection

Intended Usage

Use Recommended Accessories

Maintain With Care

Unattended Operation

Additional Safety for Biscuit Joiners

Specific safety precautions and best practices for using the biscuit joiner tool.

Avoid Touching Blade

Critical warning to keep hands and fingers away from the rotating saw blade during operation.

Controls & Components

SECTION 3: POWER SUPPLY

Availability

120 V Circuit Requirements

Specifies voltage, frequency, phase, and amperage requirements for the power circuit.

Polarized Plug

Extension Cords

SECTION 4: SETUP

Assembly

Dust Collection

Test Run

Procedure for testing the tool's operation and safety features after assembly.

SECTION 5: OPERATIONS

Adjusting Depth of Cut

Steps to set the correct depth for biscuit slots based on biscuit size and material.

Adjusting Cutting Angle

Instructions for setting the faceplate to various angles for different joint configurations.

Adjusting Cutting Height

How to adjust the fence height to match workpiece thickness for optimal joint strength.

Workpiece Preparation

Securing Workpiece

Importance and methods of securely clamping workpieces to ensure safe and accurate cuts.

Cutting Biscuit Grooves

Step-by-step process for cutting precise grooves for biscuits in workpieces.

Gluing Biscuits

Instructions on how to fit biscuits and glue components together for strong joints.

SECTION 7: MAINTENANCE

Lubrication

Cleaning

Replacing Brushes

SECTION 8: SERVICE

Troubleshooting

A table listing common symptoms, potential causes, and solutions for operational problems.

Grizzly T31999 Specifications

General IconGeneral
Max. Cut Depth20mm
Fence Angle Adjustment0-90°
Dust PortYes
Plunge Capacity20 mm
Approx. Shipping Weight3.5kg
No Load Speed11000rpm
Plunge Depth20mm
Weight8 lbs.
Blade Size4"