4-Jaw Self-Centering Chuck
for Wood Lathes
MODEL H6264, H6265, H6266, H6267, H7820
INSTRUCTION SHEET
COPYRIGHT © AUGUST, 2004 BY GRIZZLY INDUSTRIAL, INC., REVISED DECEMBER, 2020 (JL)
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
#BL6507 PRINTED IN CHINA
PARTS INVENTORY
The Model H6264, H6265, H6266, H6267, H7820
was carefully packed when it left our warehouse.
If you discover this chuck is damaged after you
have signed for delivery, please immediately call
Customer Service at (570) 546-9663 for advice.
A
Save the containers and all packing materials for
possible inspection by the carrier or its agent.
Otherwise, filing a freight claim can be difficult.
When you are completely satisfied with the condition of your shipment, you should inventory the
contents.
Figure 1 - Main Contents.
A. 4-Jaw Self-Centering Chuck ...................... 1
B. Wood Screw ............................................... 1
C. T-handle hex wrench, 3mm ........................ 1
D. T-handle hex wrench, 8mm ........................ 1
B
C
Figure 1. Main contents.
Children may climb into plastic bags and
suffocate. Keep all plastic bags included in
packaging out of the reach of children.
Follow all safety procedures for woodwork-
ing when using this chuck.
D
OPERATION INSTRUCTIONS
This chuck's compact size makes it ideal for use
on 12" (300 mm) capacity lathes and smaller.
The jaws are configured for both outside diameter
(O.D.) and inside diameter (I.D.) gripping. The
minimum gripping O.D. is 1.25", and the minimum
gripping I.D. is 1.8".
Opening/Closing Jaws
1. With the chuck mounted on the lathe, open/
close the chuck jaws so that the workpiece
can be placed between the jaws (Figure 2).
2. Insert the workpiece between the jaws. Be
sure that the workpiece is seated against the
jaw face.
3. Close/open the chuck jaws to securely clamp
the workpiece.
8mm hex wrench inserted into
this opening and then turn the
wrench to open/close the jaws.
Figure 2. Chuck Operation.
4. To remove the workpiece for the chuck,
open/close jaws until the workpiece is free.
Wood Screw Use
This chuck is supplied with a wood screw for use
with small, cross-grained pieces.
1. Drill a 7-8 mm diameter hole that is 25 mm
deep, in the center of the workpiece.
2. Make sure the workpiece is as round as possible.
3. Mount the wood screw in the chuck with
the shoulder of the wood screw clamped
between the backing jaws (Figure 3).
4. Screw the workpiece onto the wood screw
until it is firmly against the jaws.
5. Unscrew workpiece once machining is completed.
Chuck Maintenance
To maintain the chuck, spray oil into the scroll and
work the jaws through their full range of motion.
Do this on a daily basis.
Standard Jaw
Wood Screw
Backing Jaw
Figure 3. Wood Screw Placement.
Check the chuck for dust build-up in the scrolls
and jaws and clean as required.
To remove the jaws and backing jaws, the stop
pin will need to be removed from the slot of jaw
#4. By doing this, the jaws will be able to travel
beyond the scroll and then they can be pull out of
the slots.
To install jaws, first make sure you have jaw #1
going into slot #1 and so on, then turn scroll until
all jaws have engaged. Continue turning scroll
until the pin hole in slot #4 is visible and then reinsert the stop pin.
H6264, H6265, H6266, H6267, H7820 Parts
REF PART # DES CRIPTI ON REF PART # DES CRIPTI ON
Breakdown and List
10
2
6
4
16
8
9
5
15
1
11
12
13
1 PFH31M FLAT HD SCR M4 -. 7 X 8 10 PH6266010 TAPER HEAD SCREW M5-.8 X 12
2 PH6264002 BACKING PLATE 11 PH6264011 WOOD SCREW (SPECIAL)
4 PR43M EXT RETA I NI NG RI NG 50MM 12 PH6264012 T-HANDLE HEX WRE NCH 3MM
5 PH6264005 SCROLL RI NG 13 PH6264013 T-HANDLE HEX WRE NCH 8MM
6 PH6264006 PINION 15 PH6264015 STOP PIN
8 PH6264008 BACKI NG J AWS W/ CHUCK BO DY 16 PH6264016 LOCK PIN M5-.8 X 6 X 20
9 PH6264009 CHUCK J AWS (Q TY 4)
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