WARNING : NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
#BLWK18211 PRINTED IN CHINA
V1. 06.16
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 comprehension, 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 equipment, such as those dust masks that are specially designed to filter
out microscopic particles.
We stand behind our machines! If you have questions or need help, contact us with the information
below. Before contacting, make sure you get the
serial number
machine ID label. This will help us help you faster.
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.
Email: manuals@grizzly.com
We are proud to provide a high-quality owner’s
manual with your new machine!
We
instructions, specifications, drawings, and photographs
in this manual. Sometimes we make mistakes, but
our policy of continuous improvement also means
that
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
current
manuals and
on our web-
site at
Alternatively, you can call our Technical Support
for help. Before calling, make sure you write down
the
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.
INTRODUCTION
Contact Info
and manufacture date from the
Grizzly Technical Support
1815 W. Battlefield
Springfield, MO 65807
Phone: (570) 546-9663
Email: techsupport@grizzly.com
Grizzly Documentation Manager
P.O. Box 2069
Bellingham, WA 98227-2069
Manual Accuracy
made every effort to be exact with the
sometimes the machine
.
,
e post
manual updates for free
www.grizzly.com.
Manufacture Date and Serial Number
Manufacture Date
Serial Number
-2-
Model T27710 (Mfd. Since 04/16)
Identification
To reduce your risk of
serious injury, read this
entire manual BEFORE
Become familiar with the names and locations of the controls and features shown below to better understand
the instructions in this manual.
F
H
G
E
D
I
J
K
L
C
B
A
A. 2" Tow Bar Coupler
B. Coupler Lock Lever
C. Hydraulic Tank Filter
D. Beam Lock Pin
E. Hydraulic Pump
F. Control Lever
G. Hydraulic Cylinder Assembly
H. Splitting Wedge
I. Dislodger
J. Beam
K. Foot Plate
M
N
O
U
S
T
L. Log Table
M. Gas Cap
N. Hydraulic Tank
O. Vented Cap with Dipstick
P. Tubeless Tire
Q. Kohler Gasoline Engine
R. Engine Controls (refer to Page 5 for details)
S. Support Leg Lock Pin
T. Support Leg
U. Safety Chain
R
Q
P
using machine.
-3-
Model T27710 (Mfd. Since 04/16)
Controls &
To reduce your risk of
serious injury, read this
entire manual BEFORE
Components
E. Splitting Wedge: 7" high-carbon steel wedge
delivers 22 tons of ram force to split logs in
half.
using machine.
Refer to Figures 1–4 and the following descriptions to become familiar with the basic controls
and components of this machine. Understanding
these items and how they work will help you
understand the rest of the manual and stay safe
when operating this machine.
Log Splitter Controls
A
B
D
C
E
F
F. Hydraulic Cylinder: 4" x 23" cylinder sup-
plies 3600 PSI of force using 23
operate splitting wedge.
G.Beam Lock Pin: Secures beam horizontally
for jobsite towing or horizontal operation.
H.Hydraulic Tank Filter: Removes contami-
nants from hydraulic fluid flowing back to
hydraulic tank.
L
1
⁄8" stroke to
I
J
K
H
Figure 1. Log splitter controls.
A. Foot Plate: Supports log being split.
B. Beam: Stabilizes length of log being split.
C. Dislodger: Removes log from splitting wedge
after splitting operation is complete.
D. Control Lever: When placed in forward
position (toward foot plate), splitting wedge
moves into log and splits it in half. When
placed in full REVERSE, the splitting wedge
retracts, the lever automatically moves to
NEUTRAL, and wedge stops moving.
-4-
G
Figure 2. Hydraulic tank components.
I. Log Table: Temporarily supports logs before
they are loaded onto beam for splitting.
1
J. Hydraulic Tank: Holds 3
ASLE H-150, universal hydraulic fluid, or ISO
32 equivalent hydraulic fluid for log splitter
operations.
K.Vented Cap: Vents hot gases and fluid from
hydraulic tank. Features dipstick for checking
tank fluid level.
L. Hydraulic Tank Drain Plug: Remove to
drain hydraulic tank fluid.
⁄2 gallons of AW-32,
Model T27710 (Mfd. Since 04/16)
Components
Towing ControlsKohler Engine Controls &
T
N
M
O
U
P
S
Figure 3. Kohler engine controls and
components.
M. Choke Lever: Controls choke valve and
air-to-fuel ratio in engine. Move lever left to
ON (I) position when starting engine when it
is cold. Move lever right to OFF position (O)
after engine starts. Use this position if starting
engine when it is already warm.
N. Gas Cap: Remove to fill fuel tank.
O. Fuel Tank: Fill with clean, fresh gasoline.
Refer to Kohler engine manual to select
required fuel type. Avoid overfilling.
P. ON/OFF Switch: Turn to ON position (I)
before starting engine. Turn to OFF position
(O) to shut engine OFF.
R
Q
X
Figure 4. Towing controls and components.
T. Coupler Lock Lever: Push down to lock
coupler onto vehicle tow ball; lift up to release
coupler from vehicle tow ball. Features a hole
for inserting a pin or padlock.
U. Support Leg Lock Pin: When engaged,
secures support leg in up or down position.
When disengaged, allows support leg to
pivot.
V. Support Leg: Supports weight of log splitter
and provides stability during splitting operations. Leg can be lowered for operation or
raised for towing.
W. Safety Chains: Ensure log splitter remains
attached to towing vehicle if coupler accidentally separates from towing hitch ball while
towing.
W
V
Q. Throttle Control Lever: Regulates amount
of air entering engine, thereby controlling
its speed. Move halfway between SLOW
(turtle) and FAST (rabbit) when starting
engine. Adjust lever as needed for operation.
R. Starter Rope: Pull several times to start
engine and allow fuel to flow into engine.
Slowly retract to engine once it starts.
S. Fuel Shutoff Lever: Controls flow of fuel
from tank to carburetor. Turn to ON position
before engine startup. Turn to OFF position
(O) when shutting down engine, or before
towing to avoid flooding engine.
................................................................................................................................................................. 196 CC
Cylinder Size (Diameter x Length) ...............................................................................................................4 x 23 in.
Tank Capacity ...............................................................................................................................
Oil Type ............................................................
Time ...............................................................................................................................................................13 Seconds
Ram
Force ...............................................................................................................................
Length of Log ...............................................................................................................................
Max.
Stroke Length ............................................................................................................................................23-1/8 in.
Bearing Type ...............................................................................................................................
Jackstand
Other Specifications:
Country of Origin ............................................................................................................................................................... China
Warranty
Serial
ISO
Certified
Assembly
Features:
Automatic
25-5/8
22-Ton
2"
Tow Ball Coupler
45
MPH Tow Rating
Carbon
Carbon
Included ...............................................................................................................................
by a Nationally Recognized Testing Laboratory ...................................................................................................... No
Time ......................................................................................................................................................... 30 Minutes
Cylinder Return
in. Log Capacity
Splitter Ram Force
Steel Splitter Wedge
Steel Frame
........................................Carbon
............ 2
...........................Steel,
...................... Tubeless
............................................ 1
in. Ball Coupler
16 in. x 4.80-8
................45
............Tapered
................................Yes
................. ID
Steel
Integral Hub
MPH
Roller
Year
Label
Yes
-7-
Model T27710 (Mfd. Since 04/16)
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 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. Always use common sense and good judgment.
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
NOTICE
proper operation of the machine.
Safety Instructions for Machinery
OWNER’S MANUAL. Read and understand this
owner’s manual BEFORE using machine.
TRAINED OPERATORS ONLY. Untrained operators have a higher risk of being hurt or killed.
Only allow trained/supervised people to use this
machine. When machine is not being used, disconnect power, remove switch keys, or lock-out
machine to prevent unauthorized use—especially
around children. Make workshop kid proof!
DANGEROUS ENVIRONMENTS. Do not use
machinery in areas that are wet, cluttered, or have
poor lighting. Operating machinery in these areas
greatly increases the risk of accidents and injury.
MENTAL ALERTNESS REQUIRED. Full mental
alertness is required for safe operation of machinery. Never operate under the influence of drugs or
alcohol, when tired, or when distracted.
ELECTRICAL EQUIPMENT INJURY RISKS. You
can be shocked, burned, or killed by touching live
electrical components or improperly grounded
machinery. To reduce this risk, only allow qualified
service personnel to do electrical installation or
repair work, and always disconnect power before
accessing or exposing electrical equipment.
DISCONNECT POWER FIRST.
nect machine from power supply BEFORE making
adjustments, changing tooling, or servicing machine.
This prevents an injury risk from unintended startup
or contact with live electrical components.
EYE PROTECTION. Always wear ANSI-approved
safety glasses or a face shield when operating or
observing machinery to reduce the risk of eye
injury or blindness from flying particles. Everyday
eyeglasses are NOT approved safety glasses.
Always discon-
-8-
Model T27710 (Mfd. Since 04/16)
WEARING PROPER APPAREL. Do not wear
clothing, apparel or jewelry that can become
entangled in moving parts. Always tie back or
cover long hair. Wear non-slip footwear to reduce
risk of slipping and losing control or accidentally
contacting cutting tool or moving parts.
HAZARDOUS DUST. Dust created by machinery
operations may cause cancer, birth defects, or
long-term respiratory damage. Be aware of dust
hazards associated with each workpiece material. Always wear a NIOSH-approved respirator to
reduce your risk.
HEARING PROTECTION. Always wear hearing protection when operating or observing loud
machinery. Extended exposure to this noise
without hearing protection can cause permanent
hearing loss.
REMOVE ADJUSTING TOOLS. Tools left on
machinery can become dangerous projectiles
upon startup. Never leave chuck keys, wrenches,
or any other tools on machine. Always verify
removal before starting!
USE CORRECT TOOL FOR THE JOB. Only use
this tool for its intended purpose—do not force
it or an attachment to do a job for which it was
not designed. Never make unapproved modifications—modifying tool or using it differently than
intended may result in malfunction or mechanical
failure that can lead to personal injury or death!
AWKWARD POSITIONS. Keep proper footing
and balance at all times when operating machine.
Do not overreach! Avoid awkward hand positions
that make workpiece control difficult or increase
the risk of accidental injury.
CHILDREN & BYSTANDERS. Keep children and
bystanders at a safe distance from the work area.
Stop using machine if they become a distraction.
GUARDS & COVERS. Guards and covers reduce
accidental contact with moving parts or flying
debris. Make sure they are properly installed,
undamaged, and working correctly BEFORE
operating machine.
FORCING MACHINERY. Do not force machine.
It will do the job safer and better at the rate for
which it was designed.
NEVER STAND ON MACHINE. Serious injury
may occur if machine is tipped or if the cutting
tool is unintentionally contacted.
STABLE MACHINE. Unexpected movement during operation greatly increases risk of injury or
loss of control. Before starting, verify machine is
stable and mobile base (if used) is locked.
USE RECOMMENDED ACCESSORIES. Consult
this owner’s manual or the manufacturer for recommended accessories. Using improper accessories will increase the risk of serious injury.
UNATTENDED OPERATION. To reduce the
risk of accidental injury, turn machine OFF and
ensure all moving parts completely stop before
walking away. Never leave machine running
while unattended.
MAINTAIN WITH CARE. Follow all maintenance
instructions and lubrication schedules to keep
machine in good working condition. A machine
that is improperly maintained could malfunction,
leading to serious personal injury or death.
DAMAGED PARTS. Regularly inspect machine
for damaged, loose, or mis-adjusted parts—or
any condition that could affect safe operation.
Immediately repair/replace BEFORE operating
machine. For your own safety, DO NOT operate
machine with damaged parts!
MAINTAIN POWER CORDS. When disconnecting cord-connected machines from power, grab
and pull the plug—NOT the cord. Pulling the cord
may damage the wires inside. Do not handle
cord/plug with wet hands. Avoid cord damage by
keeping it away from heated surfaces, high traffic
areas, harsh chemicals, and wet/damp locations.
EXPERIENCING DIFFICULTIES. If at any time
you experience difficulties performing the intended operation, stop using the machine! Contact our
Technical Support at (570) 546-9663.
-9-
Model T27710 (Mfd. Since 04/16)
Additional Safety for Log Splitters
HYDRAULIC PRESSURE RELIEF VALVE.
Serious injury or death can occur from getting hands or fingers crushed by logs or amputated
by splitting wedge. Severe burns can be caused by touching hot parts during operation. Death
can result from getting accidentally injected by hydraulic fluid or inhaling carbon monoxide.
Workpieces can be ejected by splitter and strike operator or bystanders. To minimize risk of
injury, anyone operating this machine MUST completely heed hazards and warnings below.
HOT ENGINE. Motor and other parts of machine
get hot during operation. Allow to cool before
placing hands near motor, hydraulic cylinder, or
hydraulic lines, adding fuel, or performing any
service or maintenance.
SUPPORTING LOGS BY HAND. Never use any
part of your body to guide or steady a log when
ram is moving. Failure to follow this instruction
can result in crushing or amputation injuries.
ADEQUATE VENTILATION. The log splitter
engine produces carbon monoxide, which is a
poisonous gas. Make sure work area is adequately ventilated. Never operate this machine indoors
or in any type of enclosed area.
FLUID INJECTION. Fluid pressures developed
from this machine are up to 3000 PSI, which are
high enough to penetrate your skin and enter your
bloodstream. Hydraulic fluid injected into your
bloodstream is a medical emergency. If not treated immediately, this blood poisoning could result
in an aggressive infection, amputation, or death.
Keep body parts away from any high-pressure
hydraulic leak.
CORRECT USAGE. Never split wood across
grain or use log splitter to split concrete blocks,
rocks, or to bend metal.
PROTECTING CHILDREN. Keep children away
from log splitter at all times! It is not a toy. Never
allow any child to climb or ride on log splitter.
FUEL SPILLS. Fuel exposed to hot engine components may ignite. Thoroughly clean all fuel
spills before starting engine.
TROUBLESHOOTING. If you suspect a hydraulic
leak, DO NOT use your hand or fingers to locate
it. Instead, keep your skin at least 12" away from
potential leaking areas and move a strip of cardboard to where leak may exist and watch to see
if hydraulic oil is sprayed onto cardboard. Some
high-pressure streams can be almost invisible to
the naked eye.
Adjusting pressure limit screw may lead to hydraulic explosion and seriously injure operator and
bystanders. The pressure relief valve is factory set
and should not be adjusted unless by professional
hydraulic technician.
TOWING. This log splitter is not designed to be
towed on logging roads, forest service roads, public roads, or highways. This machine is designed
for job site towing only where speed will not
exceed maximum speed listed in Data Sheet.
WORKPIECE SELECTION. Logs with extensive
knotting may be difficult or impossible to split.
Making repeated attempts to split an unsuitable
log will increase wear on the pressure relief valve,
hydraulic lines, and increase risk of operator
injury.
CORRECT USAGE. Never attempt to split more
than one log at a time. Doing so may cause logs
to fly off splitter with great force, resulting in serious injury or death.
MACHINE LOCATION. Never leave splitter running unattended, always block wheels to prevent
rolling, and store unit in locked location.
-10 -
Model T27710 (Mfd. Since 04/16)
SECTION 2: SETUP
This machine was carefully packaged for safe
transport. When unpacking, separate all enclosed
items from packaging materials and inspect them
for shipping damage.
,
please
IMPORTANT:
you are completely satisfied with the machine and
have resolved any issues between Grizzly or the
shipping agent. You MUST have the original pack-
aging to file a freight claim. It is also extremely
helpful if you need to return your machine later.
Keep children and pets away
from plastic bags or packing
materials shipped with this
get help from other people
The following items are needed, but not included,
for the setup/assembly of this machine.
Needed for Setup
This machine presents
serious injury hazards
to untrained users. Read
through this entire manual to become familiar with
the controls and operations before starting the
machine!
Wear safety glasses and
gloves during entire setup
process!
HEAVY LIF T!
Straining or crushing injury
may occur from improperly
lifting machine or some of
its parts. To reduce this risk,
and use a forklift (or other
lifting equipment) rated for
weight of this machine.
Description Qty
• Safety Glasses (for each person) ............... 1
• Gloves (for each person) ............................ 1
• Another Person .......................................... 1
• Gasoline ..................................... As Needed
Unpacking
If items are damaged
call us immediately at (570) 546-9663.
Save all packaging materials until
SUFFOCATION HAZARD!
machine. Discard immediately.
-11-
Model T27710 (Mfd. Since 04/16)
Inventory
The following is a list of items shipped with your
machine. Before beginning setup, lay these items
out and inventory them.
If any non-proprietary parts are missing (e.g. a
nut or a washer), we will gladly replace them; or
for the sake of expediency, replacements can be
obtained at your local hardware store.
A
C
B
D
NOTICE
If you cannot find an item on this list, carefully check around/inside the machine and
packaging materials. Often, these items get
lost in packaging materials while unpacking or they are pre-installed at the factory.
Box Inventory (Figures 5–6) Qty
A. Wheel Assemblies ...................................... 2
B. Support Leg and Coupler Assembly .......... 1
C. Rear Frame Tube ....................................... 1
D. Hydraulic Cylinder Assembly...................... 1
E. Log Splitter Assembly ................................ 1
F. Hydraulic Tank Assembly ........................... 1
G. Kohler Engine 3000, 6.5HP, 196CC ........... 1
H. Suction Hose .............................................. 1
Hardware Bag Contents (Figure 7) Qty
I. Axle Caps (Wheel) ..................................... 2
J. Flat Washers 20mm (Wheel)...................... 2
K. Cotter Pins 4 x 36 (Wheel) ......................... 2
L. Slotted Hex Nuts M20-2.5 (Wheel) ............ 2
M. Hex Bolts M10-1.5 x 70 (Frame Tube) ........ 2
N. Flat Washers 10mm (Frame Tube) ............. 2
O. Lock Nuts M10-1.5 (Frame Tube) ............... 2
P. Hex Bolts M12-1.75 x 35 (Frame/Tank) ...... 4
Q. Flat Washers 12mm (Frame/Tank) ............. 4
R. Lock Nuts M12-1.75 (Frame/Tank) .............. 4
AC. O-Ring 17 x 2.5mm (Hydraulic Filter) ......... 1
S
T
W
U
X
Y
AA
AB
Figure 8. Additional hardware inventory.
V
Z
AC
-13-
Model T27710 (Mfd. Since 04/16)
Site Considerations
Weight Load
for the weight
of your machine. Make sure that the surface upon
of the machine, additional equipment that may be
Physical Environment
The physical environment where the machine
is operated is important for safe operation and
longevity of components. For best results, operate this machine in a dry environment that is
free from excessive moisture, hazardous chemicals, airborne abrasives, or extreme conditions.
Extreme conditions for this type of machinery are
generally those where the ambient temperature
range is outside 41°–104°F; the relative humidity
range is outside 20–95% (non-condensing); or
the environment is subject to vibration, shocks,
or bumps.
Shadows, glare, or strobe effects that may distract
Space Allocation
Consider the largest size of workpiece that will
be processed through this machine and provide
enough space around the machine for adequate
operator material handling or the installation of
auxiliary equipment. With permanent installations,
leave enough space around the machine to open
or remove doors/covers as required by the maintenance and service described in this manual.
See below for required space allocation.
Refer to the Machine Data Sheet
which the machine is placed will bear the weight
installed on the machine, and the heaviest workpiece that will be used. Additionally, consider the
weight of the operator and any dynamic loading
that may occur when operating the machine.
Lighting
Lighting around the machine must be adequate
enough that operations can be performed safely.
or impede the operator must be eliminated.
Horizontal Operation
Important: Ensure log splitter is at least 7' from any dry leaves or combustibles, and at least 25' from
any fresh air intake supplying working or living areas. Allow enough space on all sides to move logs to
and from splitter.
-14-
84"
Figure 9. Working clearances.
Children or untrained people
may be seriously injured by
this machine. Only install in an
access restricted location.
Vertical Operation
421/2"
87"
421/2"
Model T27710 (Mfd. Since 04/16)
Assembly
The machine must be fully assembled before it
can be operated. Before beginning the assembly
process, refer to
all
cess goes smoothly, clean all
that have any
heavy-duty rust preventative
tory (if applicable).
5. Pull lock pin out and pivot support leg until pin
locks leg in down position (see Figure 11).
Needed for Setup and gather
listed items. To make sure the assembly pro-
parts
applied by the fac-
To assemble log splitter:
1. Wipe dab of multi-purpose grease onto spin-
dle and wheel bearing (see Figure 10), and
with valve stem facing outward, slide wheel
onto axle until it stops.
2. Place 20mm flat washer with M20-2.5
slotted hex nut onto axle, then place 4 x
36mm cotter pin through hole in spindle end
(see Figure 10).
3. Bend both cotter pin tangs so wheel is held
onto axle, and tap axle cap (see Figure 10)
onto wheel.
Lock Pin
Support Leg
Figure 11. Support leg locked in down position.
6. Attach front frame tube with support leg to
rear frame tube with (2) M10-1.5 x 70 hex
bolts, (2) 10mm flat washers, and (2) M10-1.5
lock nuts (see Figure 12).
Rear Frame Tube
Lock Nut M10-1.5
Front
Frame
Tube
Flat Washer 10mm
Hex Bolt M10-1.5 x 70
Wheel
Bearing
Axle
Spindle
Figure 10. Installing wheel onto axle.
4. Repeat Steps 1–3 to install the other wheel.
Slotted Hex Nut
Valve Stem
Flat Washer 20mm
Cotter Pin
4 x 36
Axle Cap
Figure 12. Installing front frame tube onto rear
frame tube.
7. Place frame tube onto hydraulic tank and
attach it with (4) M12-1.75 x 35 hex bolts, (4)
12mm flat washers, and (4) M12-1.75 lock
nuts, as shown in Figure 13.
Hex Bolt
Flat Washer 12mm
Frame
Tube
Lock Nut
M12-1.75
Figure 13. Installing frame tube onto tank.
M12-1.75 x 35
Hydraulic
Tank
-15-
Model T27710 (Mfd. Since 04/16)
8. Remove cylinder cover, then attach hydraulic
cylinder to splitting wedge with pre-installed
(1) M12-1.75 x 65 hex bolt and (1) M12-1.75
lock nut (see Figure 14).
10. With help of assistant, lift hydraulic cylinder
and beam onto frame tube. Secure with (1)
3
21 x 126mm clevis pin and (1) 1
⁄4" x 21⁄2"
hairpin cotter pin (see Figure 16).
Hex Bolt
M12-1.75 x 65
Cylinder
Cover
Hydraulic
Cylinder
Splitting
Wedge
Lock Nut
M12-1.75
Figure 14. Attaching hydraulic cylinder to
splitting wedge.
9. Re-install cylinder cover with (8) M10-1.5 x
20 hex bolts, (8) 10mm lock washers, and
(8) 10mm flat washers that were removed in
Step 8 (see Figure 15).
Cylinder Cover
Hairpin
Cotter Pin
Beam
Frame
Tube
Clevis Pin
Figure 16. Attaching hydraulic cylinder and
beam to frame tube.
11. Remove any paint chips or foreign material
from engine mounting pad, then place (4)
rubber spacers—each with a 10mm fender
washer—over holes on engine mounting pad
(see Figure 17).
Fender Washer 10mm
Hex Bolt
M10-1.5 x 20
Flat Washer
10mm
Lock Washer
10mm
Figure 15. Hydraulic cylinder cover re-installed.
Rubber Spacer
Mounting Pad
Figure 17. Installing rubber spacers and flat
washers onto motor mounting pad.
-16 -
Model T27710 (Mfd. Since 04/16)
12. Attach engine to mounting pad with (4)
M8-1.25 x 65 hex bolts, (4) 8mm fender
washers, (4) 8mm lock washers, and (4)
M8-1.25 lock nuts (see Figures 18–19).
Tighten fasteners evenly, in alternating pattern, to reduce risk of cracking mounting
flange. DO NOT overtighten!
Engine
Lock Nut
M8-1.25
Lock Washer
8mm
14. Remove plastic cap from pump pressure port
and add a couple of tablespoons of hydraulic
fluid into pressure port (see Figure 21).
Location to Add
Hydraulic Fluid
Flat Washer 8mm
Hex Bolt M8-1.25 x 65
Figure 18. Installing rubber spacers and flat
washers onto engine mounting pad.
Fender Washer
10mm
Mounting Pad
Rubber
Spacer
Figure 19. Engine fastener detail.
13. Attach suction hose to hydraulic pump suc-
tion port and hydraulic tank with hose clamps
(see Figure 20).
Figure 21. Pump pressure port.
15. Unthread plastic plug from high pressure hose (see Figure 22).
16. Install high pressure hose onto pump pressure
fitting (see Figure 22) with (1) 11.2 x 2.4
O-ring.
High Pressure
Hose
Pump
Pressure
Fitting
Hose
Clamps
Hydraulic Tank
Figure 20. Suction hose attached to hydraulic
pump and hydraulic tank.
Hydraulic
Pump
Suction
Hose
Figure 22. High pressure hose and control lever.
-17-
Model T27710 (Mfd. Since 04/16)
17. Remove plastic cap from hydraulic filter fitting
(see Figure 23), and lubricate and install (1)
17 x 2.5mm O-ring on end of fitting.
21. Refer to Kohler engine manual to select
required engine oil type, locate fill plug (see
Figure 24), and fill engine with required oil.
18. Unthread plastic plug from low pressure return hose (see Figure 23).
19. Install low pressure return hose onto tank
hydraulic filter fitting (see Figure 23), making
sure O-ring stays in place.
Note:Tighten hydraulic hose connector to
18-20 inch/pounds.
Low Pressure
Return Hose
Hydraulic
Filter Fitting
22. Refer to Kohler engine manual to select
required fuel type, locate gas cap (see
Figure 24), and fill engine with required fuel.
Gas Cap
Oil Fill Plug
Figure 24. Engine gas cap and oil fill plug
locations.
Figure 23. Low pressure hose and oil filter
fitting.
20. Make sure log splitter is on level surface, and
fill hydraulic tank with hydraulic fluid. Refer to
Checking/Adding Hydraulic Fluid on Page
29 for specific details.
IMPORTANT: Hydraulic tank is shipped from
factory without hydraulic fluid. It must be filled
before operation!
Damage caused by running log splitter
without hydraulic fluid or engine oil will not
be covered under warranty.
-18-
Model T27710 (Mfd. Since 04/16)
Test Run/Break-In
This machine presents
serious injury hazards
to untrained users. Read
through this entire manual
and Kohler engine manual to become familiar with
controls and operations
before starting engine and
using log splitter!
3. Move fuel shutoff lever to ON (I) position, as
shown in Figure 25.
Fuel Shutoff
Lever
Figure 25. Fuel shutoff lever in ON position.
HYDRAULIC INJECTION
HAZARD
Hydraulic fluid leaks can be
under sufficient pressure
to penetrate your skin and
enter your bloodstream. If
fluid is injected into any
part of your body, it is a
medical emergency and
may, if not treated immediately, result in severe infection, permanent disability,
or even death.
IMPORTANT: Do not leave area during test run,
in case there is a problem or a leak.
To test run and break-in log splitter:
1. Read and understand Kohler engine manual
that accompanied this log splitter and follow
all safety precautions. Read and understand
entire Grizzly manual and follow all safety
precautions.
2. Make sure hydraulic tank and engine have
been filled to required fluid and fuel levels.
Hydraulic tank and engine are not filled
at factory for shipping purposes. DO NOT
operate log splitter without filling hydraulic
tank and engine!
4. Turn engine ON/OFF switch to ON (I) position, as shown in Figure 26.
Engine ON/OFF Switch
Figure 26. Engine ON/OFF switch in ON
position.
5. Move throttle control lever halfway between
SLOW (turtle) and FAST (rabbit), and move
choke lever to ON (I) position (see Figure 27).
Choke Lever
Throttle
Control Lever
Figure 27. Fuel shutoff lever and throttle lever
adjusted to starting positions.
-19 -
Model T27710 (Mfd. Since 04/16)
6. Pull starter handle (see Figure 28) slowly until resistance is felt. Retract handle,
then pull handle quickly with smooth, steady
motion until engine starts.
Starter Handle
Engine ON/OFF Switch
Figure 31. ON/OFF switch in OFF position.
Figure 28. Starter handle location.
7. After several seconds, move choke lever
slowly to OFF (O) position.
8. Let engine run at 75% throttle for one hour.
9. Move control lever (see Figure 29) to cycle
log splitter ram back and forth periodically
during break-in process to bleed hydraulic
system and check for fluid leaks. Do not
operate at full load until after engine break-in
has been completed.
Control Lever
11. After first 5 to 10 hours of initial operation,
change engine oil (refer to Kohler engine
manual for details).
If any problem or leak is found, do the following before you troubleshoot or correct
problem:
1. Shut engine down immediately and let it
cool for at least 15 minutes to prevent burn
injuries.
2. DISCONNECT SPARK PLUG WIRE (see
Figure 32) from spark plug to prevent
possibility of accidental start-up.
Spark Plug Wire
Figure 29. Control lever location.
10. To turn engine OFF, move throttle control
lever to SLOW (turtle), move ON/OFF switch
to OFF (O), and move fuel shutoff switch to
OFF (O), as shown in Figures30–31.
Fuel Shutoff
Lever
Figure 30. Engine controls in OFF position.
-20-
Throttle
Control Lever
Figure 32. Location of spark plug.
IMPORTANT: If fluid leak is suspected or
seen, DO NOT touch area to find the leak.
Move control lever completely to forward and
backward positions to relieve any hydraulic
pressure and prevent possibility of hydraulic
fluid injection injury during repair.
3. Refer to Troubleshooting on Page 33 for
solutions, or call Technical Support at
(570) 546-9663.
Model T27710 (Mfd. Since 04/16)
SECTION 3: OPERATIONS
To reduce your risk of
serious injury, read this
entire manual BEFORE
The purpose of this overview is to provide the novice machine operator with a basic understanding
of how the machine is used during operation, so
the
discussed later
in this manual
Due to the generic nature of this overview, it isnot intended to be an instructional guide. To learn
more about specific operations, read this entire
manual and
rienced
research outside of this manual by reading "howto" books, trade magazines, or websites.
Operation Overview
To complete a typical operation, the operator
does the following:
1. Places log splitter on flat, stable work
surface, and blocks wheels.
machine controls/components
are easier to understand.
seek additional training from expe-
machine operators, and do additional
using machine.
Bodily injury could result from using this
machine. Always wear safety glasses, hearing protection, leather work boots, and
heavy-duty leather work gloves when
operating this machine.
2. Makes sure support leg is secured in down
position.
3. Checks that engine and hydraulic tank are
filled with proper amount of fluid.
4. Sets up log splitter for horizontal or vertical
operation. If operating in horizontal position,
ensures beam is secured with beam lock pin;
if operating in vertical position, ensures foot
plate sits on flat, stable ground.
5. Puts on safety glasses, hearing protection,
leather work boots, and leather work gloves.
6. Turns engine ON.
7. Places log lengthwise on beam and flat
against foot plate.
8. Moves control lever to forward position to
drive wedge through log, then moves lever
to reverse position to retract wedge. After
wedge retracts, lever automatically resets to
neutral position.
9. Repeats Steps 4–8 as needed for remaining
logs, then turns engine OFF.
NEVER run engine indoors
such as in a garage, barn,
carport, or storage shed,
even if it is ventilated.
Engine exhaust is poisonous and can kill animals
and you without warning.
If you are not experienced with this type
of machine, WE STRONGLY RECOMMEND
that you seek additional training outside of
this manual. Read books/magazines or get
formal training before beginning any projects. Regardless of the content in this section, Grizzly Industrial will not be held liable
for accidents caused by lack of training.
-21-
Model T27710 (Mfd. Since 04/16)
Considerations
TransportingJob Site
Work Location
Only use this log splitter outdoors, and never leave
the area while the engine is running. NEVER run
the engine indoors such as in a garage, barn,
carport, or storage shed, even if it is ventilated.
Engine exhaust is poisonous and can kill people
and animals without warning.
Always use the splitter on a flat, stable work surface, and block the log splitter wheels so it cannot
roll forward or backward.
Position the log splitter in a well lit, flat area at
least seven feet away from any dry leaves or combustibles, and at least 25 feet from any fresh air
intake supplying working or living areas.
Working Clearances
Allow enough room on all sides to move logs to
and from the splitter.
Keep your work zone clear of lumber to avoid tripping hazards while using the machine.
Log splitter is NOT designed to be towed on
logging roads, forest service roads, public
roads, or highways. It is designed for towing
only where maximum speed will not exceed
45 MPH. Log splitter must be transported
between job sites on trailer capable of
carrying 1000 lbs.
To tow splitter:
1. Lower log splitter cylinder and beam to hori-
zontal position, and lock with beam lock pin
(see Figure 33).
Beam Lock Pin
Figure 33. Beam lock pin location.
2. Raise and lock support leg in up position with support-leg lock pin (see Figure 34).
3. Raise coupler lock lever (see Figure 34) to
unlatch it, and place coupler onto tow ball.
Coupler
Lock Lever
Safety
Chains
Figure 34. Raising support leg to towing
position.
Support-Leg
Lock Pin
Support Leg
-22-
Model T27710 (Mfd. Since 04/16)
4. Make sure tow ball is fully seated inside
coupler.
Control Lever
5. Push down on coupler lock lever until it pulls
the lock tongue up against underside of tow
ball and locks tow ball and coupler together.
6. Secure safety chains (see Figure 34) to
tow vehicle and double-check all your
connections.
7. Close fuel shutoff valve (see Figure 35) on
engine carburetor to prevent fuel leakage.
8. Make sure engine gas cap (see Figure 35) is
secure and there are no tools or logs still on
log splitter. Never allow any riders or cargo
on log splitter while towing.
Gas Cap
When the engine is running and the control
lever is in the neutral position (see Figure 36),
the hydraulic pump delivers hydraulic fluid at 11
GPM through the control valve and back into the
hydraulic tank.
Neutral
Forward
Figure 36. Control lever positions.
Reverse
Locked in
Retract
Mode
Fuel Shutoff
Valve
Figure 35. Fuel shutoff valve and gas cap
location.
9. Tow log splitter responsibly! Do not tow it
while engine is operating, and take precautions to make sure machine will not
tip over during towing, causing a fuel leak
and possible fire.
When you move the control lever to the forward
position, the control valve diverts hydraulic fluid
up to 3600 PSI to one side of the splitter piston,
moving the splitting wedge into the log and splitting the log in half. The maximum distance of the
wedge stroke is 23
When you move the control lever to the full reverse
position, the lever locks in retract mode, and the
control valve diverts the hydraulic fluid to the other
side of the splitter piston. As a result, both of your
hands are free to load the next log for splitting.
When the ram fully retracts, the control lever
automatically moves back to neutral, and the log
splitter is ready to split another log.
1
⁄8".
-23-
Model T27710 (Mfd. Since 04/16)
Splitting Logs
This log splitter is ONLY designed to split wood
with the direction of the grain. DO NOT attempt to
split or crush wood against the grain, or split brick,
concrete blocks, or rock. If you do, you will damage the machine, void the warranty, and possibly
severely injure or kill bystanders or yourself.
The log splitter can be operated in either the horizontal or vertical position, as shown in Figure 37.
The horizontal position is generally for lighter,
easy-to-lift logs; the vertical position is generally
for splitting heavier logs that are difficult to lift onto
the log splitter.
To operate log splitter:
1. Read and understand this entire manual and
Kohler engine manual.
Do NOT touch hydraulic cylinder or hydraulic tube during or immediately after operation. These components get extremely hot.
Allow them to cool before repositioning ram
and beam during following step.
4. Move beam and cylinder assembly to either
horizontal or vertical position (see Figure 37).
Horizontal Operation: Beam lock pin
automatically locks log splitter into position.
Pull up on beam to ensure splitter is locked.
Operator stands on side near control lever.
Vertical Operation: Pull beam lock pin out
and rotate beam and cylinder up until foot
plate sits squarely on level ground. Operator
stands in front of splitter on side by control
lever.
2. Verify your job site location meets at least
the minimum requirements for safety and
use. Refer to Job Site Considerations on
Page 22 for details.
3. Lower support leg and secure it in place with
support leg lock pin.
Horizontal OperationVertical Operation
Control Lever
Beam
Splitting
Wedge
5. Closely inspect all components and hydraulic
lines for any evidence of damage, wear, or
unsafe conditions. Correct before proceeding
any further.
Beam
Assembly
Beam Lock
Pin
Work Zone is
Approximately a
6-Foot Sphere
Figure 37. Horizontal and vertical log splitter operating positions.
-24-
Foot Plate
Model T27710 (Mfd. Since 04/16)
6. Put on safety glasses, hearing protection,
and thick leather gloves.
Removing
7. Start engine and place log lengthwise on
beam and flat against foot plate, as shown in
Figure 38.
Foot Plate
Log
Beam
Figure 38. Best placement of log against beam
and foot plate (horizontal operation shown).
8. Make sure bystanders are out of work zone
and that zone is clear of split logs. The work
zone is an approximate 6-foot sphere that
extends around log splitter, as shown in
Figure 37.
Stuck Logs
Never use your hands to remove a log stuck
on wedge, as it could crush hands and fingers during accidental startup. Always use
log dislodger to remove log. If log is still
stuck, turn log splitter OFF and use sledge
hammer and crow bar to remove stuck log.
This log splitter features a dislodger for helping
eject partially split logs or logs that get stuck on
the wedge. To eject a stuck log, move the control
lever to reverse until the split log contacts the dislodger brackets shown in Figure 39 and slips off
the wedge.
Wedge
Dislodger
9. While keeping hands clear of splitting wedge,
use control lever to split log, retract wedge,
and remove split log from work zone.
Figure 39. Dislodger location.
If the log remains stuck on the wedge, turn the
log splitter OFF and use a sledge hammer and
crowbar to remove the log.
-25-
Model T27710 (Mfd. Since 04/16)
ACCESSORIES
Installing unapproved accessories may
order online atwww.grizzly.comor call1-800-523-4777
SECTION 4: ACCESSORIES
cause machine to malfunction, resulting in
serious personal injury or machine damage.
To reduce this risk, only install accessories
recommended for this machine by Grizzly.
order online atwww.grizzly.comor call1-800-523-4777
T10028—Pair of Wheel Chocks
Prevent accidental shifting of your vehicle with a
pair of these stackable, high impact plastic Wheel
Chocks. Just place each chock against the tires
and you know your vehicle isn’t going anywhere.
Great for campers and utility trailers as well as
preventing vehicles from shifting during jacking.
Figure 43. T10028 Pair of Wheel Chocks.
T10278—Chainsaw Filing Guide
Get the most out of your chainsaw with a properly
filed saw chain. This Chainsaw Filing Guide is
easy to use—requires no chain removal from the
saw. No guesswork involved—angle settings,
depths and file heights are dial set. Designed
to handle all saw chains. Accepts all chainsaw
file sizes (not included). Great for fast, on-site
sharpening!
T27709—17-Cubic-Foot Steel Dump Cart
This ruggedly constructed cart is perfect for hauling
logs. Features tilting dump bed with removable
rear panel for easy loading and unloading, and a
maximum capacity of 500 lbs. Dimensions:
1
59"L x 30
⁄2 "W x 231⁄2 "H.
Figure 45. T27709 Dump Cart.
H7824—2" Stainless Ball Hitch
This ball hitch has a 5,000-pound capacity and
includes nutsand lock washer. 2" hitch ball, 1" x
1
⁄4" shank.
2
Figure 44. T10278 Chainsaw Filing Guide.
Figure 46. H7824 2" Stainless Ball Hitch.
-27-
Model T27710 (Mfd. Since 04/16)
SECTION 5: MAINTENANCE
Cleaning
To reduce risk of accidental start-up injury, disconnect spark plug wire before
performing adjustments or
maintenance.
For optimum performance from your log splitter,
clean it with a brush after every use and wipe it
down occasionally with a rag.
Schedule
For optimum performance from your machine,
follow this maintenance schedule and refer to any
specific instructions given in this section.
Daily Check:
• Hydraulic fluid and engine oil levels are full.
• Tires have recommended air pressure.
• Cracks, leaks, kinks, and abrasions do not
exist in hydraulic hoses, fuel lines, or fittings.
• Engine air filter is clean.
• Loose fasteners, hose clamps, bent
components.
• Safety features and guards are working and
in place.
Every 25 Hours of Use:
• Clean hydraulic tank vented cap (see
Page 29) with solvent, let air dry, re-install.
Lubrication
Items Needed Qty
Flat Head Screwdriver #2 .................................. 1
The wheel bearings will require lubrication with
multi-purpose bearing grease about every six
months.
To lubricate wheel bearings:
1. Remove wheel axle cap, cotter pin, flat washer, and slotted hex nut shown in Figure 47.
2. Remove and clean inner and outer tapered
roller bearings (see Figure 47), re-pack these
with multi-purpose grease, and re-install.
Every 100 Hours of Use:
• Change hydraulic tank fluid, clean inner filter.
Every 500 Hours of Use:
• Change hydraulic tank filter (see Page 30).
Every 6 Months
• Relubricate wheel bushings (on this page).
As Needed:
• Inspect for burnt-smelling or tan-colored,
water-contaminated hydraulic fluid. If contaminated, replace tank vented cap, clean
tank filter/strainer, flush system, and replace
fluid.
• Refer to the Kohler engine manual for general engine maintenance schedules.
-28-
Tapered Roller
Bearing
Slotted
Hex Nut
Cotter Pin
Axle
Cap
Flat Washer
Figure 47. Components removed from wheel to
access and grease outer wheel bearing.
3. In reverse order, re-install wheel with components removed in Step 1.
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