Grizzly G0958 User manual

MODEL G0958/G0959
8" & 12" JOINTER/PLANER
W/HELICAL CUTTERHEAD
OWNER'S MANUAL
(For models manufactured since 05/22)
COPYRIGHT © MAY, 2022 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.
#MNLW22292 PRINTED IN CHINA V1.05.22
***Keep for Future Reference***

This manual provides critical safety instructions on the proper setup,
operation, maintenance, and service of this machine/tool. Save this
document, refer to it often, and use it to instruct other operators.
Failure to read, understand and follow the instructions in this manual
may result in fire or serious personal injury—including amputation,
electrocution, or death.
The owner of this machine/tool is solely responsible for its safe use.
This responsibility includes but is not limited to proper installation in
a safe environment, personnel training and usage authorization,
proper inspection and maintenance, manual availability and compre-
hension, application of safety devices, cutting/sanding/grinding tool
integrity, and the usage of personal protective equipment.
The manufacturer will not be held liable for injury or property damage
from negligence, improper training, machine modifications or misuse.
Some dust created by power sanding, sawing, grinding, drilling, and
other construction activities contains chemicals known to the State
of California to cause cancer, birth defects or other reproductive
harm. Some examples of these chemicals are:
• Lead from lead-based paints.
• Crystalline silica from bricks, cement and other masonry products.
• Arsenic and chromium from chemically-treated lumber.
Your risk from these exposures varies, depending on how often you
do this type of work. To reduce your exposure to these chemicals:
Work in a well ventilated area, and work with approved safety equip-
ment, such as those dust masks that are specially designed to filter
out microscopic particles.

Table of Contents
INTRODUCTION............................................... 2
Contact Info.................................................... 2
Machine Differences ...................................... 2
Manual Accuracy ........................................... 2
Identification ................................................... 3
Controls & Components ................................. 4
Internal Components (Planer) ........................ 6
Machine Data Sheet (G0958) ........................ 7
Machine Data Sheet (G0959) ...................... 10
SECTION 1: SAFETY..................................... 13
Safety Instructions for Machinery ................ 13
Additional Safety for Jointers ....................... 15
Additional Safety for Planers ....................... 16
SECTION 2: POWER SUPPLY ...................... 17
SECTION 3: SETUP ....................................... 19
Unpacking .................................................... 19
Needed for Setup ......................................... 19
Inventory ...................................................... 19
Hardware Recognition Chart ....................... 20
Site Considerations ...................................... 21
Assembly ..................................................... 22
Dust Collection ............................................. 23
Test Run ...................................................... 23
Recommended Adjustments ........................ 24
SECTION 4: OPERATIONS ........................... 25
Operation Overview ..................................... 25
Stock Inspection & Requirements................ 26
Planing Tips ................................................. 28
Cutting Problems ......................................... 28
Wood Types ................................................. 29
Setting Jointer Depth of Cut ........................ 30
Squaring Stock for Jointing .......................... 31
Surface Planing on Jointer........................... 32
Edge Jointing on Jointer .............................. 33
Bevel Cutting on Jointer............................... 34
Jointer/Planer Conversion............................ 35
Setting Planer Depth of Cut ......................... 36
Feeding Workpiece ..................................... 37
Rotating/Replacing Cutterhead Inserts ........ 38
SECTION 5: ACCESSORIES ......................... 39
SECTION 6: MAINTENANCE......................... 40
Schedule ...................................................... 40
Cleaning & Protecting .................................. 40
Lubrication ................................................... 40
Cleaning Infeed & Outfeed Rollers .............. 42
SECTION 7: SERVICE ................................... 43
Troubleshooting ........................................... 43
Tensioning/Replacing V-Belts ...................... 46
Calibrating Jointer Depth-of-Cut Scale ........ 48
Calibrating Planer Thickness Scale ............. 48
Setting Fence Stops .................................... 49
Setting Infeed Table Positive Stops ............. 51
Adjusting Table Height Chain ...................... 52
Checking/Replacing Motor Brushes ............ 52
SECTION 8: WIRING...................................... 53
Wiring Safety Instructions ............................ 53
Wiring Diagram ............................................ 54
SECTION 9: PARTS....................................... 55
G0958 Planer Table & Frame ...................... 55
G0958 Jointer Table & Fence ...................... 57
G0958 Labels & Cosmetics ......................... 59
G0959 Planer Table & Frame ...................... 60
G0959 Jointer Table & Fence ...................... 62
G0959 Labels & Cosmetics ......................... 64
WARRANTY & RETURNS ............................. 65

-2- Model G0958/G0959 (Mfd. Since 05/22)
INTRODUCTION
We are proud to provide a high-quality owner’s
manual with your new machine!
We
made every effort to be exact with the
instruc-
tions, specifications, drawings, and photographs
in this manual. Sometimes we make mistakes, but
our policy of continuous improvement also means
that
sometimes the machine
you receive is
slightly different than shown in the manual
.
If you find this to be the case, and the difference
between the manual and machine leaves you
confused or unsure about something
,
check our
website for an updated version. W
e post
current
manuals and
manual updates for free
on our web-
site at
www.grizzly.com.
Alternatively, you can call our Technical Support
for help. Before calling, make sure you write
down the
manufacture date and
serial number
from the machine ID label (see below). This
information is required for us to provide proper
tech support, and it helps us determine if updated
documentation is available for your machine.
Manufacture Date
Serial Number
Manual Accuracy
We stand behind our machines! If you have ques-
tions or need help, contact us with the information
below. Before contacting, make sure you get the
serial number
and manufacture date from the
machine ID label. This will help us help you faster.
Grizzly Technical Support
1815 W. Battlefield
Springfield, MO 65807
Phone: [phone]
Email: [email protected]
We want your feedback on this manual. What did
you like about it? Where could it be improved?
Please take a few minutes to give us feedback.
Grizzly Documentation Manager
P.O. Box 2069
Bellingham, WA 98227-2069
Email: [email protected]
Contact Info
Machine Differences
Models G0958 and G0959 are 1
1⁄2 HP jointer/
planers with the following differences:
• Model G0958 has an 8" helical cutterhead
with 18 indexable carbide inserts, 29
1⁄4" x 8 1⁄4"
infeed/outfeed tables, and a 2
1⁄2" dust port.
• Model G0959 has a 12" helical cutterhead
with 28 indexable carbide inserts, 42
3⁄8" x 12"
infeed/outfeed tables, and a 4" dust port.

Model G0958/G0959 (Mfd. Since 05/22) -3-
Identification
Become familiar with the names and locations of the controls and features shown below to better understand
the instructions in this manual.
For Your Own Safety Read Instruction Manual Before Operating Jointer
a) Wear eye protection.
b) Always keep cutterhead and drive guards in place and in proper operating condition.
c) Never cut deeper than 1⁄8" in one pass.
d) Always use hold-down or push blocks when jointing material narrower than 3" or planing
material thinner than 3".
e) Never perform cuts on pieces shorter than 8" in length.
G0959 Shown
Jointer Outfeed Table
Planer
Thickness Scale
Jointer Depth-
of-Cut Scale
Cutterhead
Guard
Fence
Infeed Table
Adjustment Knob
Fence Tilt
Lock Handle
Cord Storage
Hook (1 of 2)
Planer Table
Cutterhead
Guard Lock-Out
Lock-Out
Lock Knob
Height Crank
Storage Bracket
Dust Port
Housing
ON/OFF
Switch
Planer Table
Height Crank
Jointer
Infeed Table
Foot (1 of 4)
Circuit Breaker
Reset Button Fence Support
Bracket
Dust Port
Interlock Key
(1 of 2)

-4- Model G0958/G0959 (Mfd. Since 05/22)
Controls &
Components
To reduce your risk of
serious injury, read this
entire manual BEFORE
using machine.
G. Planer Table Height Crank: Raises and
lowers planer table to accommodate differ-
ent workpiece thicknesses. Each full rotation
changes height approximately 1⁄8".
H. Jointer Infeed Table: Supports workpiece
before it reaches cutterhead. Position of
infeed table relative to cutterhead determines
depth of cut.
Main Controls & Components
A. Jointer Outfeed Table: Supports workpiece
after it passes over cutterhead.
B. Cutterhead Guard: Covers cutterhead until
pushed out of the way by workpiece during
jointing operations. When workpiece leaves
cutterhead, guard springs back to its starting
position.
C. Fence: Guides workpiece as it moves across
cutterhead; determines angle of cut.
Refer to the following figures and descriptions to
become familiar with the basic controls and com-
ponents of this machine. Understanding these
items and how they work will help you understand
the rest of the manual and minimize your risk of
injury when operating this machine.
Figure 2. Main controls & components (right).
D. Circuit Breaker Reset Button: Allows
machine to be restarted after thermal over-
load protection has tripped. To reset, place
ON/OFF switch in OFF position, wait a few
minutes for motor to cool, then press reset
button. If button does not stay depressed,
allow motor to cool longer, then try again.
E. Planer Thickness Scale: Shows height of
cutterhead above planer table. Measurement
indicated by red line shows effective thick-
ness of board after planing.
F. Dust Port Housing: Installs beneath outfeed
table for jointer operations; installs above
outfeed table for planer operations. Two keys
secure dust port to table.
Note: Machine will not start if keys on dust
port housing are not installed in slots on
outfeed table.
Figure 1. Main controls & components (left).
AC
D
E
F
BG H
I
K J

Model G0958/G0959 (Mfd. Since 05/22) -5-
G0959 Fence Controls
L. Cutterhead Guard Lock-Out: Prevents
guard from springing into position over
cutterhead during planing operations.
M. Lock-Out Lock Knob: Tighten to secure
position of lock-out; loosen to raise or lower
lock-out.
Figure 3. Cutterhead guard lock-out
components.
L
M
N. Fence Slide Lock Handle: Secures posi-
tion of fence over tables. Move up to tighten;
move down to loosen.
O. Fence Tilt Lock Handle: Secures fence tilt
angle. Fence tilt can be adjusted between
0°–45°. Always tighten lock before beginning
operations.
P. Fence Slide Wing Bolts: Secure position
of fence over tables. Loosen to move fence;
tighten to secure position.
Q. Fence Tilt Lock Handle: Secures fence tilt
angle. Fence tilt can be adjusted between
0°–45°. Always tighten lock before beginning
operations.
G0958 Fence Controls
Figure 4. G0958 fence controls.
O
N
Figure 5. G0959 fence controls.
P
Q
I. Infeed Table Adjustment Knob: Adjusts
height of infeed table to control depth of cut.
J. Jointer Depth-of-Cut Scale: Indicates depth
of cut per pass.
K. ON/OFF Switch: Turns motor ON when
moved up; turns motor OFF when moved
down. Removal of yellow key disables switch,
preventing motor from starting.

-6- Model G0958/G0959 (Mfd. Since 05/22)
Internal Components (Planer)
A. Infeed Roller: Rotates with direction of feed
to pull workpiece toward cutterhead.
B. Cutterhead: Holds inserts that remove mate-
rial from workpiece. Rotates opposite direc-
tion of feed.
C. Chip Deflector: Directs chips into dust port.
D. Outfeed Roller: Rotates with direction of
feed to pull workpiece through planer.
E. Planer Table: Provides a smooth, flat sur-
face for workpiece to slide against as it
moves through planer.
Like all machinery there is potential danger
when operating this machine. Accidents
are frequently caused by lack of familiarity
or failure to pay attention. Use this machine
with respect and caution to decrease the
risk of operator injury. If normal safety pre-
cautions are overlooked or ignored, seri-
ous personal injury may occur.
Figure 6. Workpiece path and major planing components (side cutaway view).
Workpiece
A
Front Rear
D
C
B
E
No list of safety guidelines can be com-
plete. Every shop environment is different.
Always consider safety first, as it applies
to your individual working conditions. Use
this and other machinery with caution and
respect. Failure to do so could result in
serious personal injury, damage to equip-
ment, or poor work results.

Model G0958/G0959 (Mfd. Since 05/22) -7-
Machine Data Sheet (G0958)
Page 1 of 3Model G0958
MODEL G0958
8" JOINTER/PLANER WITH HELICAL CUTTERHEAD
Customer Service #: [phone] · To Order Call: [phone] · Fax #: [phone]
Product Dimensions:
Weight ............................................................................................................................................................................. 48 lbs.
Width (side-to-side) x Depth (front-to-back) x Height .......................................................................... 31 x 17-1/2 x 18-1/2 in.
Footprint (Length x Width) ............................................................................................................................ 15-1/2 x 10-1/2 in.
Shipping Dimensions:
Type ................................................................................................................................................................... Cardboard Box
Content .......................................................................................................................................................................... Machine
Weight .............................................................................................................................................................................. 57 lbs.
Length x Width x Height .....................................................................................................................................34 x 19 x 18 in.
Must Ship Upright .................................................................................................................................................................Yes
Electrical:
Power Requirement ........................................................................................................................ 120V, Single-Phase, 60 Hz
Full-Load Current Rating ...................................................................................................................................................... 15A
Minimum Circuit Size ........................................................................................................................................................... 20A
Connection Type ..................................................................................................................................................... Cord & Plug
Power Cord Included ............................................................................................................................................................Yes
Power Cord Length ............................................................................................................................................................72 in.
Power Cord Gauge ....................................................................................................................................................... 14 AWG
Plug Included ........................................................................................................................................................................Yes
Included Plug Type ..............................................................................................................................................................5-15
Switch Type ............................................................................................................... Paddle Safety Switch w/Removable Key
Motor:
Main
Horsepower ........................................................................................................................................................ 1-1/2 HP
Phase .......................................................................................................................................................... Single-Phase
Amps .......................................................................................................................................................................... 15A
Speed ............................................................................................................................................................15,000 RPM
Type ....................................................................................................................................................................Universal
Power Transfer ............................................................................................................................................................Belt
Bearings ................................................................................................................... Shielded & Permanently Lubricated
Main Specifications:
Cutting Capacities (Jointer)
Jointer Size .................................................................................................................................................................8 in.
Bevel Jointing .................................................................................................................................................. 0 - 45 deg.
Maximum Width of Cut ...............................................................................................................................................8 in.
Maximum Depth of Cut .........................................................................................................................................1/16 in.
Minimum Workpiece Length .......................................................................................................................................6 in.
Minimum Workpiece Thickness ...............................................................................................................................1/4 in.
Number of Cuts Per Minute ....................................................................................................................................17,000

-8- Model G0958/G0959 (Mfd. Since 05/22)
Model G0958Page 2 of 3
Cutting Capacities (Planer)
Planer Size .................................................................................................................................................................8 in.
Maximum Width of Cut ...............................................................................................................................................8 in.
Minimum Stock Length ...............................................................................................................................................6 in.
Minimum Stock Thickness .......................................................................................................................................1/4 in.
Number of Cuts Per Inch ...............................................................................................................................................64
Number of Cuts Per Minute ....................................................................................................................................17,000
Planing Feed Rate ................................................................................................................................................ 22 FPM
Maximum Cut Depth Planing Full Width ...............................................................................................................1/16 in.
Maximum Cut Depth Planing 6-Inch Wide Board .................................................................................................1/16 in.
Fence Information
Fence Length ...........................................................................................................................................................21 in.
Fence Width ............................................................................................................................................................1/2 in.
Fence Height ..............................................................................................................................................................4 in.
Fence Stops ......................................................................................................................................................0, 45 deg.
Cutterhead Information
Cutterhead Type .....................................................................................................................................................Helical
Cutterhead Diameter ..................................................................................................................................................2 in.
Number of Cutter Rows ...................................................................................................................................................2
Number of Indexable Cutters ........................................................................................................................................18
Cutterhead Speed ............................................................................................................................................8500 RPM
Cutterhead Insert Information
Cutter Insert Type ................................................................................................................................ Indexable Carbide
Cutter Insert Length .................................................................................................................................................15mm
Cutter Insert Width ..................................................................................................................................................15mm
Cutter Insert Thickness ..........................................................................................................................................2.5mm
Table Information (Jointer)
Table Length ......................................................................................................................................................29-1/4 in.
Table Width ..........................................................................................................................................................8-1/4 in.
Table Thickness ...................................................................................................................................................1-1/2 in.
Floor to Table Height ................................................................................................................................................14 in.
Table Adjustment Type ............................................................................................................................................ Knob
Table Movement Type .............................................................................................................................................Swing
Table Information (Planer)
Table Length ......................................................................................................................................................13-3/4 in.
Table Width ................................................................................................................................................................8 in.
Table Thickness ......................................................................................................................................................3/4 in.
Floor to Table Height ............................................................................................................................................7-1/2 in.
Construction
Body Assembly ..........................................................................................................................................................Steel
Cutterhead .................................................................................................................................................................Steel
Infeed Roller ..........................................................................................................................................................Rubber
Outfeed Roller .......................................................................................................................................................Rubber
Fence Assembly ................................................................................................................................................Aluminum
Guard ...................................................................................................................................................................... Plastic
Table (Jointer) ....................................................................................................................................Die-Cast Aluminum
Table (Planer) .....................................................................................................................................Die-Cast Aluminum
Paint Type/Finish ......................................................................................................................................Powder Coated