Grizzly T32058 User manual

DO NOT modify or alter this cutterhead to
make it fit other makes or models of joint-
ers for which it is not designed. Doing so
could result in property damage or serious
personal injury.
Figure 1. Model T32058 inventory.
The Model T32058 8" Helical Cutterhead is
designed to replace the straight-knife cutterhead
on the Model G0857 8" x 76" Jointer.
Inventory (Figure 1)
Description Qty
A. Helical Cutterhead Assembly ...................... 1
B. T-Handle Torx Drivers T25 .......................... 2
C. Flat Hd Torx Screws T25 10-32 x 1⁄2" ........ 10
D. Indexable Inserts 15 x 15 x 2.5mm ............. 5
C
D
B
A
Introduction
Specifications
Maximum Width of Cut ...................................... 8"
Cutterhead Diameter .....................................31⁄16"
Number of Indexable Carbide Inserts .............. 36
Indexable Carbide Insert Size ....15 x 15 x 2.5mm
Tools Needed
• Additional Person for Lifting ........................ 1
• Safety Glasses (per person) ........................ 1
• Pair of Heavy Leather Gloves ..................... 2
• Wood Blocks 24" 4x4 ................................. 2
• Phillips Head Screwdriver #2 ...................... 1
• Flat Head Screwdriver ................................. 1
• Hex Wrenches 5, 6, 9mm ...................... 1 Ea.
• Adjustable Wrench ...................................... 1
• Precision Straightedge 36" .......................... 1
• Feeler Gauge Set ........................................ 1
• Shop Rag .................................... As Needed
• Degreaser .................................... As Needed
Due to the nature of installation, an additional
person MUST be available to assist with lifting the
G0857 jointer table base. The total time for setup/
installation is approximately one hour. Read these
instructions thoroughly before beginning.
Note: Not all pictures in these instructions will
exactly reflect your machine. Some photos are
provided for representation purposes only to help
you better understand the instructions given.
COPYRIGHT © MAY, 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.
(FOR MODELS MFD. SINCE 04/20) #KS21093 PRINTED IN TAIWAN V1.05.20
For questions or help with this product contact Tech Support at [phone] or [e-mail]
MODEL T32058
8" HELICAL CUTTERHEAD
ASSEMBLY FOR G0857
INSTRUCTIONS

Jointer knives are extremely sharp. You
must remove the jointer knives, or mount
the knives blade side down to avoid the risk
of serious personal injury during the follow-
ing steps.
The G0857 and its com-
ponents are very heavy.
Get lifting help to move
heavy items.
Figure 2. Jointer disassembly Steps 1–5.
Figure 3. Table base supported by wood blocks.
-2- T32058 8" Helical Cutterhead Assembly
Removing Existing Cutterhead
1. DISCONNECT MACHINE FROM POWER!
2. Remove jointer fence and cutterhead guard.
3. Remove rabbeting table, cutterhead front
cover, rear access panel, and belt cover, then
remove V-belt from pulleys.
4. Loosen infeed and outfeed table locks, then
loosen jam nuts and positive stop bolts.
5. Lower both tables to make enough room for
cutterhead to come out (see Figure 2).
Note: When lowering, make sure fence sup-
port does not come in contact with cutterhead
pulley.
7. With help from an assistant, lift one side of
the table base and place (1) 24" 4x4 wood
block underneath, as shown in Figure 3.
Repeat for the opposite side.
8. Remove knives or reverse their mounting
direction so blades face toward cutterhead.
6. Remove (3) hex bolts, lock washers, and flat
washers from jointer table base and set aside
for later installation.
Note: One hex bolt is located on the left side
of the table base below the outfeed table, and
two hex bolts are located on the right side of
the table base below the infeed table.

Jointer carbide inserts are extremely sharp.
Wear leather gloves to avoid the risk of
serious personal injury during the following
steps.
Straightedge
Outfeed Table
Figure 7. Checking cutterhead parallelism.
Figure 6. Example of helical cutterhead installed.
Figure 5.Cutterhead removed.
Figure 4. Removing cap screw and lock washer
on bearing block.
T32058 8" Helical Cutterhead Assembly -3-
Installing Helical Cutterhead
1. With a rag and degreaser, clean area of cast-
ing where bearing blocks will rest.
2. Install cutterhead with cap screws and lock
washers previously removed (see Figure 6).
10. Carefully remove bearing blocks and
cutterhead from casting (see Figure 5).
Note: Your cutterhead may have paper or
metal shims stuck to the bearing block or the
part of the casting where the bearing block
rests. These were included at the factory
when they calibrated your cutterhead even
with the outfeed table. If you see these, care-
fully pull them off and set them aside for later
use, or keep them with your cutterhead in the
event that you reinstall it later. Also, mark the
side of the cutterhead where they were used,
so the future install will go smoothly. Your
new cutterhead may or may not need these.
9. Remove cap screws and lock washers that
secure both bearing blocks (see Figure 4).
3. Tighten helical cutterhead in place, and
ensure pulley set screw is tight.
4. Using straightedge and feeler gauge set,
inspect cutterhead parallelism with outfeed
table, as shown in Figure 7. With straight-
edge in position, raise or lower outfeed table
until cutterhead body (not the carbide insert)
just touches straightedge.

The G0857 and its com-
ponents are very heavy.
Get lifting help to move
heavy items.
Figure 8. Cutterhead insert at top-dead-center.
Straightedge
Outfeed Infeed
-4- T32058 8" Helical Cutterhead Assembly
When correctly set, carbide insert will just
touch straightedge when insert is at its high-
est point of rotation (see Figure 8).
— If your outfeed table is correctly set, no
adjustments are necessary.
— If insert lifts straightedge off table or if
table is below straightedge, adjust outfeed
table height with outfeed table adjustment
lever until straightedge just touches an
insert at its highest point of rotation.
9. Tighten helical cutterhead in place, and
ensure pulley set screw is tight.
10. With help from an assistant, lift one side of
the table base and carefully remove one
wood block from underneath. Repeat for the
opposite side.
11. Secure jointer table base to cabinet stand
with (3) hex bolts, lock washers, and flat
washers removed earlier.
12. Lock outfeed table, then re-install fence.
13. Re-install V-belt on pulleys. (Refer to instruc-
tions in your G0857 manual for details.)
14. Re-install rabbeting table, cutterhead front
cover, rear access panel, and belt cover.
15. Reset positive stop bolts on infeed and
outfeed tables.
16. Install cutterhead guard back over cutterhead,
making sure that spring tension in guard
is properly set so guard springs back over
cutterhead when it is pulled back and
released.
5. Move straightedge to the other side to deter-
mine if one end of cutterhead body is higher/
lower than the other. (Place feeler gauge
between cutterhead body and straightedge to
determine the height difference.)
— If cutterhead is even or within 0.003" with
outfeed table from one side to other, skip
to Step 8.
— If cutterhead is over 0.003" from one side
to other, go to Step 6.
6. Loosen cap screws securing both bearing
blocks, lift helical cutterhead slightly, then
place a shim beneath bearing block that
needs to be adjusted.
Note: Use shims from your old cutterhead
if available. If not available, newspaper is
approximately 0.003" thick and will work for
shimming (we don't recommend shimming
more than 0.003" on either side, as this may
affect how the bearing block seats in the
casting).
7. Repeat Steps 4–6 and adjust as necessary,
then tighten cap screws on bearing blocks.
8. Place a straightedge on outfeed table
so it extends over cutterhead, and rotate
cutterhead pulley until one of the carbide
inserts is at top-dead-center (TDC), as shown
in Figure 8.

Figure 9. Rotating indexable carbide inserts.
Reference Dot
T32058 8" Helical Cutterhead Assembly -5-
Installing or adjusting a carbide insert:
1. DISCONNECT MACHINE FROM POWER!
2. Remove any sawdust from head of carbide
insert Torx screw.
3. Remove Torx screw and carbide insert.
4. Clean all dust and dirt off insert and cutterhead
pocket from which insert was removed, and
replace insert so a fresh, sharp edge is facing
outward.
Note: Proper cleaning is critical to achiev-
ing a smooth finish. Dirt or dust trapped
between insert and cutterhead will slightly
raise insert, and make noticeable marks on
your workpieces the next time you cut.
5. Lubricate Torx screw threads with a light
machine oil, wipe excess oil off threads, and
torque Torx screw to 48-50 INCH pounds.
Note: Excess oil may squeeze between insert
and cutterhead or in screw hole, thereby lifting
insert or screw slightly and affecting work-
piece finishes.
In addition, each insert has a reference dot on
one corner. As the insert is rotated, the reference
dot location can be used as an indicator of which
edges are used and which are new. The insert
must be replaced when all four edges are dull.
Rotating Inserts
The cutterhead is equipped with 36 indexable car-
bide inserts. Each insert can be rotated to reveal
any one of its four cutting edges. Therefore, if one
cutting edge becomes dull or damaged, simply
rotate it clockwise 90˚ to reveal a fresh cutting
edge (see Figure 9).
Recommended Tools
• Pair of Heavy Leather Gloves ..................... 1
• Safety Glasses (per person) ........................ 1
• T-Handle Torx Driver T25 ........................... 1
• Torque Wrench 0–50 in.-lb. ......................... 1
• Shop Rag .................................... As Needed
• Degreaser .................................... As Needed
• Light Machine Oil ........................ As Needed

Figure 11. Assortment of basic eye protection.
Basic Eye Protection
T20501—Face Shield Crown Protector 4"
T20502—Face Shield Crown Protector 7"
T20503—Face Shield Window
T20451—“Kirova” Clear Safety Glasses
T20452—“Kirova” Anti-Reflective S. Glasses
T20456—DAKURA Safety Glasses, Black/Clear
T20451
T20452
T20502
T20503
T20456
Figure 12. G0860 Portable Dust Collector.
Figure 10. H9893 Indexable Carbide Inserts.
-6- T32058 8" Helical Cutterhead Assembly
Accessories
H9893—10 Pack of Indexable Carbide Inserts
Replacement 15 x 15 x 2.5mm carbide inserts for
Model T32057 8" Helical Cutterhead.
G0860—1½ HP Portable Cyclone Dust Collector
This compact unit features an impressive 868
CFM and up to 9.7" of static pressure —perfect
for handling up to two large machines at once.
The 20 gallon collection drum with quick release
handle catches large particulate for quick and
clean bag changes, and the pleated 1-micron filter
captures remaining dust as part of this super effi-
cient two stage separation system. All this, and it
features a wireless remote!

1
1
2
2
3
3-1
3-2
3-3
4
5
6
7
REF PART # DESCRIPTION REF PART # DESCRIPTION
1 PT32058001 BEARING BLOCK 3-3 PT32058003-3 INSERTS 15 X 15 X 2.5MM-10 PK
2 PT32058002 BALL BEARING 6204-2NSE 4 PT32058004 KEY 5 X 5 X 22 RE
3 PT32058003 HELICAL CUTTERHEAD ASSEMBLY 5 PT32058005 CUTTERHEAD PULLEY
3-1 PT32058003-1 CUTTERHEAD 8" HELICAL 6 PT32058006 SET SCREW M6-1 X 8
3-2 PT32058003-2 FLAT HD TORX SCR T-25 10-32 X 1/2 7 PT32058007 T-HANDLE TORX DRIVER T-25
T32058 8" Helical Cutterhead Assembly -7- T32058 8" Helical Cutterhead Assembly -7-
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T32058 Parts Breakdown & List
We do our best to stock replacement parts when possible, but we cannot guarantee that all parts shown
are available for purchase. Call [phone] or visit www.grizzly.com/parts to check for availability.