Grizzly G0594 User Manual

MODEL G0594  
Large Chipper/Shredder  
OWNER'S MANUAL  
COPYRIGHT © NOVEMBER, 2005 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.  
#EW7656 PRINTED IN CHINA  
Table of Contents  
INTRODUCTION............................................................................................................................... 2  
Foreword .................................................................................................................................... 2  
Machine Data Sheet................................................................................................................... 2  
Contact Info................................................................................................................................ 2  
Identification ............................................................................................................................... 3  
SECTION 1: SAFETY....................................................................................................................... 4  
Safety Instructions for Machinery............................................................................................... 4  
Additional Safety Instructions for Chipper/Shredders ................................................................ 6  
SECTION 2: SET UP........................................................................................................................ 8  
Set Up Safety............................................................................................................................. 8  
Unpacking .................................................................................................................................. 8  
Site Considerations.................................................................................................................... 8  
Items Needed for Set Up ........................................................................................................... 8  
Inventory..................................................................................................................................... 9  
Assembly.................................................................................................................................... 9  
SECTION 4: OPERATIONS ........................................................................................................... 11  
Operation Safety ...................................................................................................................... 11  
Chipping/Shredding.................................................................................................................. 11  
SECTION 5: MAINTENANCE ........................................................................................................ 13  
Visual Inspection...................................................................................................................... 13  
Cleaning ................................................................................................................................... 13  
Storage..................................................................................................................................... 13  
SECTION 6: SERVICE ................................................................................................................... 14  
Troubleshooting........................................................................................................................ 14  
Replacing Blades ..................................................................................................................... 15  
Replacing V-Belt ...................................................................................................................... 15  
Parts Breakdown...................................................................................................................... 16  
Parts List .................................................................................................................................. 17  
WARRANTY AND RETURNS........................................................................................................ 18  
INTRODUCTION  
Foreword  
Contact Info  
We are proud to offer the Model G0594 Large  
Chipper/Shredder. This machine is part of a grow-  
ing Grizzly family of fine machinery. When used  
according to the guidelines set forth in this manu-  
al, you can expect years of trouble-free, enjoyable  
operation and proof of Grizzly’s commitment to  
customer satisfaction.  
If you have any comments regarding this manual,  
please write to us at the address below:  
Grizzly Industrial, Inc.  
Technical Documentation Manager  
P.O. Box 2069  
C
/
O
Bellingham, WA 98227-2069  
We are pleased to provide this manual with the  
Model G0594. It was written to guide you through  
assembly, review safety considerations, and cover  
general operating procedures.  
We stand behind our machines. If you have any  
service questions or parts requests, please call or  
write us at the location listed below.  
The specifications, drawings, and photographs  
illustrated in this manual represent the Model  
G0594 as supplied when the manual was pre-  
pared. For your convenience, we always keep cur-  
rent Grizzly manuals available on our website at  
www.grizzly.com. Any updates to your machine  
will be reflected in these manuals as soon as they  
are complete.  
Grizzly Industrial, Inc.  
1203 Lycoming Mall Circle  
Muncy, PA 17756  
Phone: (570) 546-9663  
Fax: (800) 438-5901  
MACHINE DATA  
SHEET  
Customer Service #: (570) 546-9663 • To Order Call: (800) 523-4777 • Fax #: (800) 438-5901  
MODEL G0594  
LARGE CHIPPER/SHREDDER  
Overall Dimensions:  
Overall Dimensions ...............................................................................2612"W x 3612"D x 5212"H  
Shipping Weight ................................................................................................................ 177 lbs.  
Capacities:  
Maximum Diameter of Material Fed into the Chipping Funnel ...................................................3"  
Maximum Diameter of Material Fed into the Hopper.................................................................38  
"
Motor:  
Type ............................................................................................Briggs & Stratton, Gas Powered  
Horsepower.........................................................................................................................6.1 HP  
General Construction:  
Body .......................................................................................................................................Steel  
Hopper....................................................................................................................................Steel  
Specifications, while deemed accurate, are not guaranteed.  
-2-  
G0594 Large Chipper/Shredder  
Identification  
Machine Identification (Figures 1 & 2)  
A
A. Hopper  
B. Motor  
C. Chip Outlet  
D. Chipper Funnel  
E. Choke  
B
F. Gas Cap  
G. Throttle  
D
H. ON/OFF Switch  
I. Pull Start Handle  
J. Gas Shut Off Valve  
K. Exhaust  
F
E
C
G
H
K
J
I
Figure 1. Chipper/shredder identification.  
Figure 2. Motor identification.  
-3-  
G0594 Large Chipper/Shredder  
SECTION 1: SAFETY  
For Your Own Safety, Read Instruction  
Manual Before Operating this Machine  
The purpose of safety symbols is to attract your attention to possible hazardous conditions. This  
manual uses a series of symbols and signal words which are intended to convey the level of  
importance of the safety messages. The progression of symbols is described below. Remember  
that safety messages by themselves do not eliminate danger and are not a substitute for proper  
accident prevention measures.  
Indicates an imminently hazardous situation which, if not avoided,  
WILL result in death or serious injury.  
Indicates a potentially hazardous situation which, if not avoided,  
COULD result in death or serious injury.  
Indicates a potentially hazardous situation which, if not avoided,  
MAY result in minor or moderate injury. It may also be used to alert  
against unsafe practices.  
This symbol is used to alert the user to useful information about  
proper operation of the machine.  
NOTICE  
Safety Instructions for Machinery  
1. READ THROUGH THE ENTIRE MANUAL  
BEFORE STARTING MACHINERY.  
Machinery presents serious injury hazards  
to untrained users.  
4. ALWAYS USE HEARING PROTECTION  
WHEN OPERATING MACHINERY.  
Machinery noise can cause permanent  
hearing damage.  
5. WEAR PROPER APPAREL. DO NOT  
wear loose clothing, gloves, neckties, rings,  
or jewelry which may get caught in moving  
parts. Wear protective hair covering to con-  
tain long hair and wear non-slip footwear.  
2. ALWAYS USE ANSI APPROVED  
SAFETY GLASSES WHEN OPERATING  
MACHINERY. Everyday eyeglasses only  
have impact resistant lenses, they are  
NOT safety glasses.  
6. NEVER OPERATE MACHINERY WHEN  
TIRED, OR UNDER THE INFLUENCE OF  
DRUGS OR ALCOHOL. Be mentally alert  
at all times when running machinery.  
3. ALWAYS WEAR AN ANSI APPROVED  
RESPIRATOR WHEN OPERATING  
MACHINERY THAT PRODUCES DUST.  
Wood dust is a carcinogen and can cause  
cancer and severe respiratory illnesses.  
-4-  
G0594 Large Chipper/Shredder  
Safety Instructions for Machinery  
7. ONLY ALLOW TRAINED AND PROP-  
17. REMOVE ADJUSTING KEYS AND  
ERLY SUPERVISED PERSONNEL TO  
OPERATE MACHINERY. Make sure  
operation instructions are safe and clearly  
understood.  
WRENCHES. Make a habit of checking for  
keys and adjusting wrenches before turn-  
ing machinery ON.  
18. CHECK FOR DAMAGED PARTS  
BEFORE USING MACHINERY. Check  
for binding and alignment of parts, broken  
parts, part mounting, loose bolts, and any  
other conditions that may affect machine  
operation. Repair or replace damaged  
parts.  
8. KEEP CHILDREN AND VISITORS AWAY.  
Keep all children and visitors a safe dis-  
tance from the work area.  
9. MAKE WORKSHOP CHILD PROOF. Use  
padlocks, master switches, and remove  
start switch keys.  
19. USE RECOMMENDED ACCESSORIES.  
Refer to the instruction manual for recom-  
mended accessories. The use of improper  
accessories may cause risk of injury.  
10. NEVER LEAVE WHEN MACHINE IS  
RUNNING. Turn power OFF and allow all  
moving parts to come to a complete stop  
before leaving machine unattended.  
20. DO NOT FORCE MACHINERY. Work at  
the speed for which the machine or acces-  
sory was designed.  
11. DO NOT USE IN DANGEROUS  
ENVIRONMENTS. DO NOT use machin-  
ery in damp, wet locations, or where any  
flammable or noxious fumes may exist.  
21. SECURE WORKPIECE. Use clamps or  
a vise to hold the workpiece when practi-  
cal. A secured workpiece protects your  
hands and frees both hands to operate the  
machine.  
12. KEEP WORK AREA CLEAN AND WELL  
LIT. Clutter and dark shadows may cause  
accidents.  
22. DO NOT OVERREACH. Keep proper foot-  
13. USE A GROUNDED EXTENSION CORD  
RATEDFORTHEMACHINEAMPERAGE.  
Undersized cords overheat and lose power.  
Replace extension cords if they become  
damaged. DO NOT use extension cords  
for 220V machinery.  
ing and balance at all times.  
23. MANY MACHINES WILL EJECT THE  
WORKPIECETOWARDTHEOPERATOR.  
Know and avoid conditions that cause the  
workpiece to "kickback."  
14. ALWAYS DISCONNECT FROM POWER  
24. ALWAYS LOCK MOBILE BASES  
(IF USED) BEFORE OPERATING  
MACHINERY.  
SOURCE  
BEFORE  
SERVICING  
MACHINERY. Make sure switch is in OFF  
position before reconnecting.  
25. BE AWARE THAT CERTAIN WOODS  
MAY CAUSE AN ALLERGIC REACTION  
in people and animals, especially when  
exposed to fine dust. Make sure you  
know what type of wood dust you will be  
exposed to and always wear an approved  
respirator.  
15. MAINTAIN MACHINERY WITH CARE.  
Keep blades sharp and clean for best and  
safest performance. Follow instructions for  
lubricating and changing accessories.  
16. MAKE SURE GUARDS ARE IN PLACE  
AND WORK CORRECTLY BEFORE  
USING MACHINERY.  
-5-  
G0594 Large Chipper/Shredder  
Additional Safety Instructions  
for Chipper/Shredders  
1. READ THIS ENTIRE MANUAL AND THE  
BRIGGS & STRATTON® MOTOR MANU-  
AL: These manuals contain proper operat-  
ing and safety instructions for this chipper/  
shredder.  
5. CLOTHING: DO NOT wear loose clothing,  
neckties, scarves, or jewelry which may  
get caught in moving parts. DO NOT wear  
clothing or gloves with pull ties or straps.  
This type of clothing could get tangled with  
material that is being shredded, pulling you  
into the chipper/shredder.  
2. SAFETY EQUIPMENT: Wear safety glass-  
es, hearing protection, and gloves when  
operating a chipper/shredder. Make sure  
any bystanders are also wearing safety  
equipment.  
6. OPERATING LOCATION: Set up the chip-  
per/shredder on firm, level, grass or dirt.  
DO NOT set up the chipper/shredder on  
gravel, asphalt, concrete, or stone. The  
chips are expelled from the machine with  
enough force to ricochet off of hard sur-  
faces and cause serious injury. DO NOT  
set up the chipper/shredder in a location  
where sparks or heat from the motor could  
cause a fire.  
3. ENGINE OPERATION: Refer to the Briggs  
& Stratton motor manual for operating  
instructions and gasoline motor safety  
warnings.  
4. HAND SAFETY: DO NOT put hands or  
other body parts into hopper, funnel, or  
outlet while the blades are turning. The  
chipper/shredder can drag you into the  
blade, causing amputation of fingers, hands  
or other body parts. DO NOT touch the  
exhaust during or immediately after opera-  
tion to prevent burns.  
-6-  
G0594 Large Chipper/Shredder  
7. SECURE FOOTING: Placing the chip-  
per/shredder on a slope or slippery surface  
may cause the operator to fall into the  
machine, causing burns from the motor, or  
an amputation if an arm accidentally goes  
into the hopper. Wear non-slip, closed toed  
shoes or boots to maintain secure footing.  
10. TURN OFF CHIPPER/SHREDDER: Turn  
OFF the machine, allow all moving parts  
to come to a complete stop, and discon-  
nect the spark plug wire before moving the  
machine, emptying the bag, unclogging  
the inlets or outlets, filling the gas tank, or  
performing maintenance and repairs.  
8. JAMS AND CLOGGING: Turn the chip-  
per/shredder OFF, allow all moving parts to  
come to a complete stop, and disconnect  
the spark plug wire before attempting to  
free a jam or clog.  
11. STARTING THE CHIPPER/SHREDDER:  
Make sure the hopper and funnel are  
empty when starting the machine. The pull  
start cord may stop suddenly causing the  
chipper/shredder to fall over or injure your  
hand or arm.  
9. FEEDING MATERIAL: Hold branches and  
brush loosely, and allow the chipper/shred-  
der to draw the material in. The machine  
sometimes will draw material in very quick-  
ly and your hand may be drawn in if you  
are holding tightly. If the blades hit a hard  
object, or if the machine begins to make  
an unusual noise or vibration, immediately  
shut the chipper/shredder OFF.  
12. CLEANING CHIPPER/SHREDDER: Allow  
the motor to cool off, then brush dust and  
chip build-up off of the motor to prevent fire  
or motor overheating.  
No list of safety guidelines can be complete.  
Every environment is different. Always con-  
sider safety first, as it applies to your indi-  
vidual working conditions. Use this and  
other machinery with caution and respect.  
Failure to do so could result in serious per-  
sonal injury, damage to equipment, or poor  
work results.  
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 lessen the pos-  
sibility of operator injury. If normal safety  
precautions are overlooked or ignored, seri-  
ous personal injury may occur.  
-7-  
G0594 Large Chipper/Shredder  
SECTION 2: SET UP  
Set Up Safety  
Site Considerations  
Location  
The chipper/shredder must be placed on a firm,  
flat, grass or dirt surface to prevent the machine  
from tipping. DO NOT place the machine on con-  
crete, asphalt, or other hard surfaces. The chips  
could bounce up from the hard surface and cause  
injury.  
This machine presents  
serious injury hazards  
to untrained users. Read  
through this entire manu-  
al to become familiar with  
the controls and opera-  
tions before starting the  
machine!  
Working Clearances  
Consider the length of the material to be pro-  
cessed through the machine and make sure that  
there is enough height above the chipper/shred-  
der to accommodate the material.  
Unpacking  
Make sure the unit is located close to the area  
where the chips are going to be used to reduce  
carrying.  
The Model G0594 was carefully packed when it  
left our warehouse. If you discover the machine  
is damaged after you have signed for delivery,  
please immediately call Customer Service at  
(570) 546-9663 for advice.  
Stay clear of the discharge area. Make sure all  
bystanders, children, pets, or objects that you do  
not want damaged or covered in chips, are clear  
of the discharge area.  
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 con-  
dition of your shipment, you should inventory the  
contents.  
Items Needed for  
Set Up  
The following items are needed to complete the  
set up process, but are not included with your  
machine:  
Description  
Qty  
Phillips Screwdriver.................................... 1  
Oil (see motor manual for viscosity)...... 58 qt  
-8-  
G0594 Large Chipper/Shredder  
Inventory  
Assembly  
After all the parts have been removed from the  
box, you should have the following items:  
The major components of this chipper/shredder  
have been assembled at the factory. Some minor  
assembly is required. The assembly process will  
use all the parts and hardware listed in the inven-  
tory.  
Inventory (Figure 3)  
Qty  
A. Chipper/Shredder....................................... 1  
B. Wheel Assembly......................................... 2  
C. Hopper........................................................ 1  
D. Funnel......................................................... 1  
E. Hopper Gasket ........................................... 1  
F. Handles ...................................................... 2  
G. Leg ............................................................. 1  
H. Toolbox (Contents Not Shown) .................. 1  
—Ear Protection..................................1 Pair  
—Safety Goggles................................1 Pair  
—Gloves..............................................1 Pair  
—Oil Funnel ............................................... 1  
—Straight Blade Screwdriver..................... 1  
—Wrench 13/15mm.................................... 1  
—Wrench 12/14mm.................................... 1  
—Spark plug Socket w/Handle 58" ............ 1  
DO NOT attempt to start this machine until all  
assembly has been completed. Serious personal  
injury and damage to the machine could occur.  
To assemble the chipper/shredder:  
1. Tip the chipper/shredder over and remove  
the four bolts shown in Figure 4. DO NOT  
turn the chipper/shredder over once it is full  
of oil and gas. The oil and gas will spill out.  
Leg Bolts  
Leg  
Wheel  
Assembly  
Bolts  
C
D
A
G
B
Figure 4. Attaching the leg.  
H
E
2. Attach the wheel assembly and the leg with  
F
the bolts that were removed in Step 1.  
Figure 3. Model G0594 inventory.  
3. Set the chipper shredder upright and set the  
hopper gasket around the chute as shown in  
Figure 5.  
Hardware (Not Shown)  
Qty  
Hex Bolt M8-1.25 x 35 ............................... 4  
Rubber Grommets...................................... 4  
Phillips Head Screw M8-1.25 x 35............. 4  
Fender Washers 8mm................................ 4  
Lock Nuts M8-1.25................................... 11  
Flat Washer 8mm..................................... 27  
Lock Washer 8mm ................................... 11  
In the event that any nonproprietary parts are  
missing (e.g. a nut or a washer), we would be  
glad to replace them, or for the sake of expedi-  
ency, replacements can be obtained at your local  
hardware store.  
-9-  
G0594 Large Chipper/Shredder  
Figure 5. Positioning the hopper gasket.  
Figure 7. Installing the handles.  
4. Place the hopper on top of the gasket and  
line up all of the holes. Place rubber grom-  
mets and fender washers on two hex bolts,  
thread them through the holes nearest the  
motor and secure them with flat washers,  
lock washers, and lock nuts.  
7. Place the funnel over the studs in the side of  
the chipper/shredder and secure it with the  
remaining flat washers, lock washers, and  
lock nuts (see Figure 8).  
5. Line up the holes in the toolbox with the  
remaining holes in the hopper and secure  
them with the same combination of hex bolts,  
washers, and lock nuts as used in Step 4  
(see Figure 6).  
Figure 8. Funnel installation.  
8. Before operating, fill the motor with oil and  
gas according to the instructions in the Briggs  
& Stratton manual.  
NOTICE  
Figure 6. Attaching the hopper and toolbox.  
This chipper/shredder does not have oil  
in the motor when shipped. Add oil before  
operating the chipper/shredder, or the  
motor will seize.  
6. Insert a Phillips head screw with a flat washer  
through each hole in the handles. Place three  
flat washers on each of the screws and insert  
the handle assembly into the holes in the  
hopper (see Figure 7). Secure the handles  
with a flat washer, lock washer, and lock nut  
on each screw.  
-10-  
G0594 Large Chipper/Shredder  
SECTION 3: OPERATIONS  
Operation Safety  
Chipping/Shredding  
Understand and follow all of the safety precau-  
tions listed in SECTION 1: SAFETY before opera-  
tion.  
Damage to your eyes, hands, and ears could  
result from using this machine without prop-  
er protective gear. Always wear safety glass-  
es, hearing protection, and leather gloves  
when operating this machine.  
This chipper/shredder is intended for mulch-  
ing garden and pruning waste such as green  
branches, twigs, brush, vines, and long grasses.  
DO NOT use this chipper/shredder for chipping  
construction debris, plastic, paper products, rope  
or twine, or any material that may contain metal.  
Note: Remove any nails, rope, twine, or rocks that  
may be imbedded in roots, before inserting mate-  
rial into the chipper/shredder.  
To operate the chipper/shredder:  
Loose hair and cloth-  
ing could get caught in  
machinery and cause seri-  
ous personal injury. Keep  
loose clothing and long  
hair away from moving  
machinery.  
1. Place the chipper/shredder on a flat, firm, dirt  
or grass surface and point the outlet in a safe  
direction.  
2. Check the oil and gas levels before starting  
the motor.  
3. Loosen the wing nuts on the discharge chute  
deflector so that it swings freely, then place  
the bag over the chute and tie it securely in  
place.  
NOTICE  
If you have never used this type of machine  
or equipment before, WE STRONGLY REC-  
OMMEND that you read books, trade maga-  
zines, or get formal training before begin-  
ning any projects. Regardless of the con-  
tent in this section, Grizzly Industrial will  
not be held liable for accidents caused by  
lack of training.  
4. Make sure the hopper and funnel are empty  
before starting the engine. If there is material  
in the hopper or funnel, the pull start cord may  
stop suddenly causing the chipper/shredder  
to fall over, or causing injury to your hand or  
arm.  
5. Put on eye and ear protection, and gloves,  
start the chipper/shredder as instructed in the  
Briggs & Stratton motor manual, then set the  
throttle to fast.  
NOTICE  
This chipper/shredder does not have oil  
in the motor when shipped. Add oil before  
operating the chipper/shredder, or the  
motor will seize.  
6. Stand to the side of the hopper and make  
sure you have a stable stance and firm foot-  
ing.  
-11-  
G0594 Large Chipper/Shredder  
To shred twigs, leaves, and brush:  
To chip branches:  
1. Slowly pour the material into the hopper. DO  
NOT try to stuff too much material in at one  
time or the machine will jam.  
1. Stand to the side of the hopper and make  
sure you have a stable stance and firm foot-  
ing.  
2. Use a 1" diameter branch to push the mate-  
rial into the hopper if necessary (see Figure  
9). DO NOT use your hands!  
2. Remove twigs and smaller branches from the  
branch if they might catch on the edges of the  
funnel and prevent the branch from going in.  
3. Place branches up to 3" diameter into the  
funnel, thick end first, and allow the blades to  
draw the branch into the funnel (see Figure  
10).  
Figure 9. Shredding leaves.  
Note: Move the throttle to the idle position, or  
turn the chipper/shredder OFF, when not actively  
shredding or chipping.  
Figure 10. Chipping branches.  
3. Turn OFF the machine (see the Briggs &  
Stratton motor manual for instructions), allow  
all moving parts to completely stop, and dis-  
connect the spark plug wire before moving  
the machine, emptying the bag, unclogging  
the inlets or outlets, filling the gas tank, or  
performing maintenance and repairs.  
4. When finished chipping, turn OFF the  
machine, allow all moving parts to come to a  
complete stop, and disconnect the spark plug  
wire before moving the machine, emptying  
the bag, unclogging the inlets or outlets, filling  
the gas tank, or performing maintenance and  
repairs.  
Shredding Tips:  
Chipping Tips:  
Feed material into the chipper/shredder slow-  
ly. If the motor begins to bog down, you are  
feeding too fast.  
DO NOT feed material in excess of 3" diame-  
ter into the funnel. Large branches will cause  
the motor to stall.  
Roots and dirty material will dull or damage  
the blades.  
Chipping wood when it is green is easier on  
the machine. The blades will stay sharper  
longer.  
Remove the chips often. Allowing the chips  
to pile up to the outlet will cause the outlet to  
clog.  
The chipper/shredder will work best if the  
blades are sharp. Rotate, sharpen, or replace  
the blades as soon as chipper/shredder per-  
formance begins to deteriorate.  
Avoid shredding wet leaves or brush to  
reduce clogging. If you must shred wet mate-  
rial, alternate wet and dry material.  
-12-  
G0594 Large Chipper/Shredder  
SECTION 4: MAINTENANCE  
Storage  
Turn OFF the machine, allow all moving  
parts to come to a complete stop, and dis-  
connect the spark plug wire before moving  
the machine, emptying the bag, unclogging  
Follow these guidelines when storing your chip-  
per/shredder.  
the inlets or outlets, filling the gas tank, or  
performing maintenance and repairs.  
Remove the spark plug wire to prevent unau-  
thorized starting.  
Empty the bag before storing to keep the  
mulch from rotting in the bag.  
Visual Inspection  
Place the chipper/shredder in a dry, level  
area. If the chipper/shredder is tipped it may  
leak oil and gas.  
Before and after using the chipper/shredder,  
closely inspect the machine for loose parts and  
damage.  
DO NOT store the chipper/shredder near an  
ignition source, such as a wood stove, gas or  
electric heater, or an appliance or heater with  
a pilot light.  
Check the hopper, hopper guard, and funnel  
for cracks, holes, and loose bolts.  
Check the box frame for cracks or damage.  
Store the chipper/shredder in a well ventilat-  
ed area. DO NOT store the chipper/shredder  
in an area that will allow toxic gas fumes into  
areas inhabited by humans or animals.  
Check the entire machine for loose bolts or  
screws.  
Check the blades and hammers for cracks  
and dings.  
Close the discharge chute deflector and  
place the covers over the hopper and the  
funnel to prevent objects or critters from get-  
ting into the machine.  
Check the engine oil level. See the Briggs &  
Stratton motor manual for specifications.  
When storing for more than 30 days, fol-  
low the instructions in the Briggs & Stratton  
motor manual for long term storage.  
Cleaning  
Clean the Model G0594 after each use. Allow the  
motor to cool and remove the spark plug wire.  
Brush off or vacuum wood chips and wipe off the  
remaining dust from the exterior of the machine  
with a dry cloth. DO NOT rinse off the chipper/  
shredder with water. Remove any chips or debris  
from the hopper and the discharge chute.  
It is much harder to clean the machine if you allow  
it to sit for a while after use. You may need to use  
an engine cleaner to remove the built up resins  
from the motor. Engine cleaners are available at  
most auto parts stores.  
-13-  
G0594 Large Chipper/Shredder  
SECTION 5: SERVICE  
Review the troubleshooting and procedures in this section to fix your machine if a problem develops. If you  
need replacement parts or you are unsure of your repair skills, then feel free to call our Technical Support  
at (570) 546-9663 for machine repairs, or contact Briggs & Stratton for motor repairs.  
Turn OFF the machine, allow all moving parts to come to a complete stop, and disconnect the  
spark plug wire before moving the machine, emptying the bag, unclogging the inlets or outlets,  
filling the gas tank, or performing maintenance and repairs.  
Troubleshooting  
Symptom  
Possible Cause  
Possible Solution  
Engine will not start.  
1. Control levers are not in correct positions for 1. Make sure the ON/OFF switch is ON, the fuel  
starting.  
shut-off valve is open, and the choke and  
throttle controls are in the start position.  
2. Spark plug wire is not connected to the spark 2. Connect the spark plug wire or replace the  
plug, or the spark plug is bad.  
spark plug.  
3. No gas, or gas is old and stale.  
3. If empty, fill the tank. If full, drain the gas,  
then fill the tank with fresh gas.  
4. Clean out the air filter.  
4. Air filter is dirty.  
5. Engine oil is low.  
6. Blocked fuel line.  
5. Add oil to the engine.  
6. Clean out the fuel line.  
Engine does not run 1. Engine is warm, and the choke is still in the 1. Move the choke to the RUN position.  
smoothly.  
CHOKE position.  
2. Air filter is dirty.  
2. Clean the air filter.  
3. Stale fuel, water or dirt in fuel, blocked fuel 3. Drain the fuel tank, clean out the fuel line,  
line.  
and fill the tank with fresh gas.  
Engine overheats.  
1. Chips and sawdust around the motor.  
2. Dirty air filter.  
1. Clean off the motor.  
2. Clean out the air filter.  
Machine vibrates or makes 1. Loose or damaged parts.  
unusual noises.  
1. Check the blades, hammers, impeller, and all  
connections. Tighten, repair, or replace any  
loose or damaged parts.  
2. Impeller or blades have woody residue or 2. Clean the impeller and blades.  
chunks stuck to them.  
Chipper/shredder no lon- 1. Dull or damaged blades and hammers.  
ger chips or shreds well.  
1. Sharpen or replace blades and check the  
hammers for damage.  
2. Loose, worn, or damaged V-belt.  
2. Replace or tighten V-belt.  
Chips do not come out 1. Discharge chute or hopper is clogged.  
of the discharge chute or  
1. Turn OFF the motor, disconnect the spark  
plug, then clean out the machine.  
come out slowly.  
2. Insufficient motor RPM's.  
2. Move the throttle to FAST.  
-14-  
G0594 Large Chipper/Shredder  
Replacing Blades  
Replacing V-Belt  
Sharpen or replace the blades as soon as the  
chipping performance begins to deteriorate, or if  
you notice dings, chips, or cracks.  
Replace or tighten the V-belt if you notice the  
motor running and the chipper blades are not  
spinning.  
Tools Needed  
Wrench/Socket 13mm....................................... 1  
Qty  
Tools Needed  
Wrench/Socket 13mm....................................... 1  
Qty  
Hex Wrench 5mm.............................................. 1  
To perform this procedure:  
To perform this procedure:  
1. TURN OFF THE MACHINE, ALLOW ALL  
MOVING PARTS TO COME TO A COM-  
PLETE STOP, AND DISCONNECT THE  
SPARK PLUG WIRE!  
1. TURN OFF THE MACHINE, ALLOW ALL  
MOVING PARTS TO COME TO A COM-  
PLETE STOP, AND DISCONNECT THE  
SPARK PLUG WIRE!  
2. Remove the pulley cover (photo inset in  
2. Remove the side cover plate (photo inset in  
Figure 12).  
Figure 11) to expose the blades.  
Idler Pulley  
Pulley  
Cover  
Chipper Blade  
Figure 12. Replacing V-belt.  
Figure 11. Chipper blade.  
3. Loosen the idler pulley and roll the belt off of  
3. Remove one blade, rotate the impeller, and  
the pulleys (see Figure 12).  
remove the second blade.  
4. Install the new belt and adjust the idler pulley  
so the V-belt deflects approximately 38" when  
pushed with moderate pressure.  
4. Have the original blades professionally  
sharpened, or order a replacement set, then  
re-install the blades.  
5. Replace the V-belt cover and re-attach the  
5. Replace the side cover plate and re-attach  
spark plug wire.  
the spark plug wire.  
-15-  
G0594 Large Chipper/Shredder  
Parts Breakdown  
 
 
 
 
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-16-  
G0594 Large Chipper/Shredder  
Parts List  
REF PART #  
DESCRIPTION  
LOCK NUT M6-1  
FLAT WASHER 6MM  
RUBBER FOOT  
PHLP HD SCR M6-1 X 20  
LEG  
FLAT WASHER 8MM  
HEX NUT M8-1.25  
LOCK WASHER 8MM  
TUBE  
REF PART #  
DESCRIPTION  
HOOK  
HEX BOLT M8-1.25 X 20  
REAR BOARD  
HOPPER GASKET  
HOPPER  
TOOL BOX  
HANDLES  
PHLP HD SCR M8-1.25 x 35  
IDLER PULLEY  
CLUTCH  
1
PLN03M  
49  
50  
51  
52  
53  
54  
55  
57  
59  
60  
61  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
78  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
93  
94  
95  
96  
97  
98  
99  
P0594049  
PB09M  
2
PW03M  
3
4
P0594003  
PS26M  
P0594051  
P0594052  
P0594053  
P0594054  
P0594055  
PS42M  
P0594059  
P0594060  
PVA40  
P0594064  
P0594065  
PS11M  
P0594067  
PW03M  
P0594069  
P0594070  
P0594071  
P0594072  
P0594073  
P0594074  
P0594075  
P0594076  
P0594077  
P0594078  
P0594079  
P0594080  
P0594081  
P0594082  
P0594083  
PLABEL-12  
PLABEL-15  
P0594086  
PLABEL-11  
PSDS2  
PWR1315  
PWR1214  
P0594091  
P0594092  
P0594093  
P0594094  
P0594095  
P0594096  
P0594097  
P0594098  
P0594099  
5
6
P0594005  
PW01M  
7
PN03M  
8
9
PLW04M  
P0594009  
P0594010  
P0594011  
P0594012  
P0594013  
P0594014  
P0594016  
P0594017  
P0594018  
P0594019  
P0594020  
P0594021  
P0594022  
P0594023  
PRP39M  
P0594025  
P0594026  
P0594027  
P0594028  
P0594029  
P0594030  
P0594031  
P0594032  
P0594033  
P0594034  
P0594035  
P0594036  
P0594037  
P0594038  
P0594039  
P0594040  
P0594041  
P0594042  
PB26M  
10  
11  
12  
13  
14  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
HEX BOLT M8-1.25 X 200  
DISCHARGE CHUTE  
MOVABLE DOOR  
WING NUT M6-1  
FENDER WASHER 6MM  
HITCH PIN 2MM  
FENDER WASHER 8MM  
SCREEN  
V-BELT A-40 4L400  
PULLEY COVER  
SUPPORT PLATE  
PHLP HD SCR M6-1 X 16  
BELT COVER BRACKET  
FLAT WASHER 6MM  
SUPPORT PLATE  
BELT COVER SUPPORT  
WIRE CIRCLIP 25MM  
SPACER  
SPACER 1  
SPACER 2  
SPACER 3  
HAMMER  
PULLEY  
SPACER 4  
SPECIAL WASHER (LEFT) 25MM  
SPACER  
ROLL PIN 4 X 20  
HAMMER AXLE  
WHEEL AXLE  
BOX FRAME SIDE LEFT  
WHEEL SUPPORT  
WHEEL  
SPACER  
COVER  
RING1  
RING2  
BOX FRAME SIDE RIGHT  
HEX BOLT M8-1.25 X 200  
COTTER PIN 3.2 X 20  
HOPPER GUARD  
BLADE COVER WARNING  
DISCHARGE CHUTE WARNING  
PULLEY WARNING  
OIL WARNING  
READ MANUAL 2" X 3 5/16"  
EAR PROTECTION 2" X 3 5/16"H  
G0594 ID LABEL  
SAFETY GLASSES 2" X 3 5/16"  
#2 STANDARD SCREWDRIVER  
WRENCH 13 X 15  
WRENCH 12 X 14  
SOCKET HANDLE  
SPARK PLUG SOCKET 5/8"  
GOGGLES  
RUBBER GRID  
CHIPPER CHUTE  
BLADE COVER PLATE  
BEARING COVER  
WIRE CIRCLIP 25MM  
SPECIAL WASHER(RIGHT) 25MM  
BEARING SEAT  
BALL BEARING 4205  
SPACER (RIGHT)  
HEX BOLT M8-1.25 X 30  
FLAT HD SCR M8-1.25 X 25  
BLADE  
FUNNEL  
EAR PROTECTION  
GLOVES  
HOPPER COVER  
FUNNEL COVER  
PFH21M  
P0594045  
P0594046  
P0594047  
P0594048  
IMPELLER  
BELT KEY  
ENGINE PLATE  
DISCHARGE BAG  
Safety labels warn about machine hazards and ways to prevent injury. The owner of this machine  
MUST maintain the original location and readability of the labels on the machine. If any label is  
removed or becomes unreadable, REPLACE that label before using the machine again. Contact  
-17-  
G0594 Large Chipper/Shredder  
WARRANTY AND RETURNS  
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 par-  
ticular 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.  
To take advantage of 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.  
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.  
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.  
BRIGGS & STRATTON  
ENGINE WARRANTY  
Grizzly Industrial, Inc. does not warrant the engine that is included on this product. The engine on this prod-  
uct is covered by the Briggs & Stratton Engine Owner Warranty. Please refer to the Briggs & Stratton engine  
manual that is included with this product for the details of the Briggs & Stratton Engine Owner Warranty.  
-18-  
G0594 Large Chipper/Shredder  
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