To reduce your risk of
serious injury, read this
entire manual BEFORE
MODEL T34066
NO. 4 10" LEGACY
SMOOTHING PLANE
INSTRUCTIONS
For questions or help with this product contact Tech Support at (570) 546-9663 or techsupport@grizzly.com
Introduction
The Model T34066 No. 4 10" Legacy Smoothing
Plane is designed for smoothing flattened wood
surfaces and trimming end grain. The included
steel blade has a 2" cutting width sharpened to a
45° bevel, which can achieve a smooth finish without the need for sandpaper. This plane has a 9½"
cast iron sole, stainless steel fixtures, anodized
aluminum cheeks and knob, and a solid wood tote
that can be adjusted to accommodate a variety of
hand sizes. This smoothing plane also features
an adjustable frog, depth adjustment knob, and
lateral adjustment screws for fine-tuning hard and
soft wood finishes.
Blade/Plane Iron
Lever Cap
Cam
Lever
Cap
using tool.
Chip Breaker
Tote
Figure 1. Model T34066.
Specifications
Bedding Angle ......................................... 45 deg.
Blade Bevel Angle
Blade Width
Blade Construction
Sole Length
Sole Construction
.................................................. 2 in.
.............................................9-1/2 in.
................................... 45 deg.
...................................... Steel
..................................Cast Iron
COPYRIGHT © JANUARY, 2024 BY GRIZZLY INDUSTRIAL, INC.
NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
(FOR MODELS MFD. SINCE 12/23) #KS23051 PRINTED IN INDIA
Knob
Lateral
Adjustment
Lever
Cheek
Toe
Frog
Throat
Mouth
Figure 2. Identification.
Depth
Adjustment
Knob
Heel
Sole
V1.01.24
***Keep for Future Reference***
• Always push plane away from you, never
pull plane towards you.
•
Use care when handling blade. It has a
sharp edge and can cause lacerations.
Protect eyes from debris by wearing ANSI
•
-approved safety glasses.
Verify workpiece is properly secured.
•
•
Prevent unauthorized use by children or
untrained users.
Adjusting Blade Position
Blade depth controls the amount of material
removed during planing. Frog position controls
the size of the mouth opening, allowing for fine or
rough cuts. Lateral adjustment controls the tilt of
the blade, aligning the cutting edge parallel with
the mouth.
Adjusting Blade Depth
1. Rotate depth adjustment knob clockwise to
lower blade, or counterclockwise to raise
blade (see Figure 4).
Securing Workpiece
The Model T34066 requires two hands to properly control, so it is highly recommended to use
a solid workbench for securing planing projects.
Workbenches with configurable vises, wedge
stops, bench dogs, and hold-downs will provide
critical support for many different workpieces. See
Figure 3 for an example of a solid workbench
securing a wood project.
Note: Length of blade protruding from sole
determines depth of cut.
Depth Adjustment Knob
Figure 4. Depth adjustment knob location.
Adjusting Frog Position
1. Loosen (2) locking screws located on rear of
frog (see Figure 5).
Figure 3. Workbench securing wood project with
bench stop, front vise, and bench dogs.
-2-
2. Rotate adjustment screw clockwise to close
mouth, or counterclockwise to open mouth,
then tighten (2) locking screws loosened in
Step 1 (see Figure 5).
Note: Use a narrow mouth for fine cuts, and
a wide mouth for deep cuts.
Model T34066 (Mfd. Since 12/23)
Adjustment Screw
Replacing Blade
1. Pull up on lever cap cam and slide lever cap
up through keyhole to remove, then remove
blade and chip breaker (see Figure 7).
Locking Screw (1 of 2)
Figure 5. Frog position components.
Adjusting Lateral Blade Position
1. Tilt lateral adjustment lever left or right to
adjust blade side-to-side (see Figure 6).
— Tilt lateral adjustment lever left to lower
right corner of blade, or tilt lever right to
lower left corner of blade.
2. Verify blade is parallel with mouth and there
is an even amount of space on each side of
blade (see Figure 6).
Lever Cap Cam
Lever
Cap
Screw
Keyhole
Location
Lever Cap
Chip Breaker
Blade
Blade Screw
Figure 7. Blade replacement components.
2. Loosen blade screw securing blade to chip
breaker and slide blade up until screw head
clears blade keyhole, then remove blade (see
Figure 8).
Lateral
Adjustment
Lever
Sole
(Front View)
Blade Parallel to Mouth
Blade
Figure 6. Lateral blade adjustment controls.
Keyhole
Figure 8. Blade keyhole.
3. Place replacement blade against chip break-
er with bevel facing down, then position chip
1
breaker
⁄16" from blade edge and secure with
blade screw loosened in Step 2.
4. Install blade and chip breaker over lever cap
screw on frog, ensuring blade screw settles
into recess in frog.
5. Install lever cap over lever cap screw and
slide down to fully seat lever cap in keyhole,
then push lever cap cam down to secure.
Note: If lever cap cam is too loose to secure
blade, tighten lever cap screw until lever cap
cam is firmly secured.
Model T34066 (Mfd. Since 12/23)
-3-
Adjusting Hand Placement
The Model T34066 features an adjustable knob
and tote to accommodate a variety of hand sizes
and positions.
To adjust hand placement:
1. Loosen and remove (2) flat head cap screws
on base of tote (see Figure 9).
2. Slide tote in or out depending on desired
positioning, then install and secure (2) flat
head cap screws removed in Step 1 (see
Figure 9).
Note: Tote adjustment has four positions that
are spaced ¼" apart.
x 2
Figure 10. Knob adjustment components.
Operating Smoothing Plane
Workpiece security, tool handling, operator stance,
and proper tool setup all contribute to the final finish quality of the workpiece surface.
To operate smoothing plane:
Figure 9. Tote adjustment components.
3. Loosen and remove (1) lock shaft on top of
knob (see Figure 10).
4. Position knob as desired, then install and
secure lock shaft removed in Step 3 (see
Figure 10).
Note: Knob adjustment has two positions
that are spaced a ¼" apart.
1. Place one hand on knob and use opposite
hand to firmly grasp tote.
Note: See Adjusting Hand Placement for
adjusting knob and tote positions.
2. Stand close to workpiece with feet shoulder
width apart, and ensure there is enough room
to move through entire length of stroke.
3. Place toe end of smoothing plane on starting
edge of workpiece, following same direction
as wood grain (see Figure 11).
Note: Difficult wood grains may require skew-
ing heel end of plane approximately 10º–30º
to reduce tear-out (see Figure 11).
-4-
Model T34066 (Mfd. Since 12/23)
Straight Positioning
Grain Direction
Skewed Positioning (as Needed)
Grain Direction
Toe Heel
10º–30º
Angle
Figure 11. Smoothing plane positioned on
workpiece.
4. Begin stroke with majority of hand pressure
on toe end of smoothing plane, as shown in
Figure 12.
Troubleshooting
• If the smoothing plane chatters during plan-
ing, reduce the depth of cut, or try skewing
the heel end angle during the stroke.
If the mouth or chip breaker clogs with shav-
•
ings, reduce the depth of cut, or adjust the
mouth opening wider. Always clear larger
shavings after each stroke is complete.
If one side of the blade digs into the work-
•
piece more than the other, adjust the blade
so it is parallel to the mouth.
If tear-out occurs, plane in the direction of
•
the grain, sharpen or replace blade, reduce
mouth opening, or try skewing the heel end
angle during the stroke.
If planing pressure alters blade depth during
•
cuts, tighten adjustment screw after setting
blade depth to remove backlash.
5. When entire sole rests on workpiece, balance
hand pressure on both toe end and heel end
of plane, then increase pressure on heel end
during end of stroke (see Figure 12).
Toe End
Heel End
Figure 12. Toe and heel ends of smoothing
plane.
Maintenance
• Sharpen the blade bevel or add a secondary
bevel on blade edge when it becomes noticeably difficult to push the smoothing plane, or
when it produces excessive chatter.
Before storing the smoothing plane, remove
•
the blade, wipe the blade down with an oily
cloth, then store the blade in a dry place to
prevent rusting.
Lightly oil the plane and store in a sealed bag
•
or included display case away from direct
sunlight and humidity.
Model T34066 (Mfd. Since 12/23)
-5-
Accessories
T33827—Replacement Blade for No. 4 Plane
Replacement blades help restore your smoothing
plane’s performance. This replacement blade has
a 45° bevel and comes ready to use.
Figure 13. T33827 No. 4 Plane Blade.
T10157—Heavy-Duty Oak Workbench
We’ve combined the beauty, work, and tool friendly attributes of a solid oak work surface with the
strength and durability of square steel legs and
cross bracing to make the best workbench money
can buy. To top it off, we’ve also included oak front
and side vises with removable wooden bench
dogs and two storage drawers with ball bearing
slides. The table top measures 60" long by 30"
wide, and the adjustable legs can be set so the
height of the Workbench is 32" to 39" above the
floor. The legs adjust in 1" increments.
Japanese Water Stones
1
D1067—8
D1068—8
D1069—8
D1070—8
D1071—8
⁄8" L x 29⁄16" W x 7⁄8" T, 800 Gr.
1
⁄2" L x 21⁄2" W x 13⁄8" T, 1000 Gr.
1
⁄8" L x 29⁄16" W x 7⁄8" T, 1200 Gr.
1
⁄8" L x 21⁄2" W x 13⁄8" T, 6000 Gr.
1
⁄8" L x 21⁄2" W x 13⁄8" T, 8000 Gr.
Woodworkers of all skill levels are turning to
Japanese water stones to keep their tool edges
sharp. This is because water stones cut more
aggressively and a sharp edge can be achieved
much faster. Water stones also polish as they
hone, allowing a mirror finish without the need for
stropping or polishing compounds. Only water is
needed to lubricate the cutting edge.
Figure 15. T10157 Oak Workbench.
T23877 - Bench Planes DVD and Book
The Missing Shop Manual: Bench Planes delivers all the information you need—and brings
Ernie Conover right into your shop to explain it.
In addition to detailing the basics of safety and
setup, this handy reference and 55-minute DVD
will guide you through all the tips and techniques
needed to get the most out of your plane.
Figure 14. D1067 Japanese Water Stone.
-6-
Figure 16. T23877 Bench Planes DVD & Book.
Model T34066 (Mfd. Since 12/23)
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.
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.
In the event you need to use 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.
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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