Harbor Freight Tools 56072 User Manual
20 TON LOG SPLITTER
SET UP, OPERATING, AND SERVICING
WARNING!
IMPORTANT INFORMATION
The Hitch Coupler MUST be properly
secured to the hitch ball of the towing vehicle.
After assembly and attachment, pull up and
down on the Hitch Coupler to make sure the
hitch ball is tting snugly in the Hitch Coupler.
There must be no play between the hitch
ball and Hitch Coupler. If there is play,
tighten the Adjustment Nut until no play is
present. If the Adjustment Nut is too tight,
the Handle will not lock. Carefully read and
follow the complete instructions in this
manual BEFORE setup or use.
If the Coupler is not secured
properly, the ball could come loose
while the Log Splitter is in motion,
possibly causing property damage,
SERIOUS PERSONAL INJURY, or
DEATH.
Distributed exclusively by Harbor Freight Tools®.
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our website at: http://www.harborfreight.com
56072
INSTRUCTIONS
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Copyright© 2009 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork
contained herein may be reproduced in any shape or form without the express written consent of
Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein. Tools required for
assembly and service may not be included.
For technical questions or replacement parts, please call 1-800-444-3353.
CONTENTS
IMPORTANT SAFETY
INFORMATION ............................ 3
BASIC SPECIFICATIONS ............. 7
UNPACKING .................................. 7
SET UP INSTRUCTIONS ............... 7
ASSEMBLY.........................................7
PACKING THE BEARINGS /
HUB AND WHEEL ASSEMBLY. 7
LOG SPLITTER ASSEMBLY .............8
FILLING THE HYDRAULIC FLUID ..10
OPERATING INSTRUCTIONS .... 11
START PROCEDURE ................. 11
EQUIPMENT OPERATION ............... 11
TRANSPORTING THE LOG
SPLITTER: ...............................12
SERVICING .................................. 14
MAINTENANCE PROCEDURES .....14
BLEEDING THE HYDRAULIC
SYSTEM: .................................. 14
CHANGING THE HYDRAULIC
FLUID .......................................15
ENGINE MAINTENANCE AND
SERVICE .................................. 15
EQUIPMENT LUBRICATION ...... 15
STORAGE ........................................15
PARTS LIST ................................. 16
ASSEMBLY DIAGRAM ................ 17
HYDRAULIC RAM SEALS PARTS
LIST & DIAGRAM ..........................18
LIMITED 1 YEAR / 90 DAY
WARRANTY .............................. 20
SKU 56072 For technical questions, please call 1-800-444-3353. Page 2
SAVE THIS MANUAL
Keep this manual for the safety warn-
ings and precautions, assembly, operating, inspection, maintenance and cleaning
procedures. Write the product’s serial
number in the back of the manual near the
assembly diagram (or month and year of
purchase if product has no number). Keep
this manual and the receipt in a safe and
dry place for future reference.
IMPORTANT SAFETY
INFORMATION
In this manual, on the labeling,
and all other information
provided with this product:
This is the safety alert
symbol. It is used to alert
you to potential personal
injury hazards. Obey all
safety messages that
follow this symbol to avoid
possible injury or death.
NOTICE is used to
address practices
not related to personal injury.
CAUTION, without
the safety alert
symbol, is used to address
practices not related to
personal injury.
WARNING! Read all instructions.
Failure to follow all instructions
listed below may result in re,
serious injury and/or DEATH.
The warnings and precautions
discussed in this manual cannot
cover all possible conditions and
situations that may occur. It must
be understood by the operator that
common sense and caution are
factors which cannot be built into
this product, but must be supplied
by the operator.
SAVE THESE INSTRUCTIONS
SET UP PRECAUTIONS
Gasoline fuel and fumes are amma-1.
DANGER indicates
a hazardous
situation which, if not
avoided, will result in death or
serious injury.
WARNING
indicates a
hazardous situation which, if
not avoided, could result in
death or serious injury.
CAUTION, used
with the safety
alert symbol, indicates a
hazardous situation which, if
not avoided, could result in
minor or moderate injury.
SKU 56072 For technical questions, please call 1-800-444-3353. Page 3
ble, and potentially explosive. Use
proper fuel storage and handling procedures. Do not store fuel or other
ammable materials nearby.
Have multiple ABC class re extin-2.
guishers nearby.
Operation of this equipment may cre-3.
ate sparks that can start res around
dry vegetation.
A spark arrestor may be required.
The operator should contact local re
agencies for laws or regulations relat-
ing to re prevention requirements.
Set up and use only on a at, level, 4.
well-ventilated surface.
Wear ANSI-approved safety goggles, 5.
heavy-duty work gloves, and dust
mask/respirator during set up.
Use only lubricants and fuel recom-6.
mended in the engine manual or in
the Specications chart of this manual.
Do not leave the equipment unat-3.
tended when it is running. Turn off
the equipment (and remove safety
keys, if available) before leaving the
work area.
Rope off work area around the Log 4.
Splitter to keep children and spectators away during operation.
ENGINE PRECAUTIONS
Follow engine precautions and instructions in the included engine
instruction manual.
OPERATING PRECAUTIONS
1. CARBON MONOXIDE
HAZARD
Using an engine indoors
CAN KILL YOU IN
MINUTES.
Engine exhaust contains carbon
monoxide. This is a poison you
cannot see or smell.
NEVER use inside a home or garage,
EVEN IF doors and windows are
open.
Never allow children to climb on or 5.
play near Log Splitter even when not
in use.
People with pacemakers should 6.
consult their physician(s) before
use. Electromagnetic elds in close
proximity to a heart pacemaker could
cause pacemaker interference or
pacemaker failure. Caution is necessary when near the engine’s magneto
or recoil starter.
Use only accessories that are recom-7.
mended by Harbor Freight Tools for
your model. Accessories that may be
suitable for one piece of equipment
may become hazardous when used
on another piece of equipment.
Operate the Log Splitter, with the 8.
wheels blocked, on a dry, level surface capable of supporting the combined weight of the Log Splitter and
logs.
Do not tow the Log Splitter on roads 9.
or highways. This product is not
D.O.T. compliant, and is not road
legal.
Only use OUTSIDE and far away
from windows, doors, and vents.
Keep children away from the equip-2.
ment, especially while it is operating.
SKU 56072 For technical questions, please call 1-800-444-3353. Page 4
Always make sure the hitch coupler 10.
is securely xed to the vehicle before
moving it. If the Coupler is not secured properly, the link could come
loose while the trailer is in motion,
possibly causing property damage,
SERIOUS PERSONAL INJURY, or
DEATH.
Never place hands or feet between 11.
the log and splitter wedge, or
between the log and the ram during
the forward or reverse stroke.
Never place your hands or body near 12.
a hydraulic uid leak. High-pressure
uid can be forced under the skin
resulting in serious injury.
Dress properly. Do not wear loose 20.
clothing or jewelry. Keep hair, clothing and gloves away from moving
parts. Loose clothes, jewelry or long
hair can be caught in moving parts.
Parts, especially exhaust system 21.
components, get very hot during use.
Stay clear of hot parts.
Do not cover the engine or equipment 22.
during operation.
Never split a log that contains any 13.
foreign materials (nails, for example).
Do not use on logs longer than 25” or 14.
with a diameter greater than 12”.
Wear ANSI-approved safety goggles, 15.
NIOSH-approved dust mask/respirator under a full face shield, heavy-duty work gloves, steel-toe work boots
and hearing protection during use.
Do not operate in explosive atmo-16.
spheres, such as in the presence of
ammable liquids, gases, or dust.
Gasoline-powered engines may ignite
the dust or fumes.
Do not expose the Log Splitter to rain 17.
or wet conditions. Water entering the
Log Splitter will increase the risk of
electric shock.
Stay alert, watch what you are doing 18.
and use common sense when operating this piece of equipment. Do not
use this piece of equipment while
tired or under the inuence of drugs,
alcohol or medication.
Do not overreach. Keep proper foot-19.
ing and balance at all times. This enables better control of the equipment
in unexpected situations.
Keep the equipment, engine, and sur-23.
rounding area clean at all times.
Use the equipment, accessories, etc., 24.
in accordance with these instructions
and in the manner intended for the
particular type of equipment, taking
into account the working conditions
and the work to be performed. Use
of the equipment for operations different from those intended could result
in a hazardous situation.
Do not operate the equipment with 25.
known leaks in the engine’s fuel system.
This product contains or, when used, 26.
produces a chemical known to the
State of California to cause cancer
and birth defects or other reproductive harm. (California Health & Safety
Code § 25249.5, et seq.)
When spills of fuel or oil occur, they 27.
must be cleaned up immediately.
Dispose of uids and cleaning materials as per any local, state, or federal
codes and regulations. Store oil rags
in a bottom-ventilated, covered, metal
container.
Keep hands and feet away from 28.
moving parts. Do not reach over or
across equipment while operating.
SKU 56072 For technical questions, please call 1-800-444-3353. Page 5
Before use, check for misalignment 29.
or binding of moving parts, breakage
of parts, and any other condition that
may affect the equipment’s operation.
If damaged, have the equipment
serviced before using. Many ac-
cidents are caused by poorly maintained equipment.
Use the correct equipment for the 30.
application. Do not modify the equipment and do not use the equipment
for a purpose for which it is not intended.
SERVICE PRECAUTIONS
tant information. If unreadable or
missing, contact Harbor Freight Tools
for a replacement.
Have the equipment serviced by a 6.
qualied repair person using only
identical replacement parts. This will
ensure that the safety of the equipment is maintained. Do not attempt
any service or maintenance procedures not explained in this manual
or any procedures that you are uncertain about your ability to perform
safely or correctly.
Store equipment out of the reach of 7.
children.
Before service, maintenance, or 1.
cleaning:
Turn the engine switch to its a.
“OFF” position.
Allow the engine to completely b.
cool.
Then, remove the spark plug c.
wire(s) from the spark plug(s).
Keep all safety guards in place and in 2.
proper working order. Safety guards
include mufer, air cleaner, mechanical guards, and heat shields, among
other guards.
Do not alter or adjust any part of 3.
the equipment or its engine that is
sealed by the manufacturer or dis-
tributor. Only a qualied service
technician may adjust parts that
may increase or decrease governed engine speed.
Follow scheduled engine and equip-8.
ment maintenance.
Refueling:9.
Do not smoke, or allow sparks, a.
ames, or other sources of ignition
around the equipment, especially
when refuelling.
Do not rell the fuel tank while the b.
engine is running or hot.
Do not ll fuel tank to the top. Leave c.
a little room for the fuel to expand as
needed.
Refuel in a well-ventilated area only.d.
Wipe up any spilled fuel and allow e.
excess to evaporate before starting
engine. To prevent FIRE, do not
start the engine while the smell of
fuel hangs in the air.
SAVE THESE
Wear ANSI-approved safety goggles, 4.
heavy-duty work gloves, and dust
mask/respirator during service.
Maintain labels and nameplates on 5.
the equipment. These carry impor-
SKU 56072 For technical questions, please call 1-800-444-3353. Page 6
INSTRUCTIONS.
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