YARDMAX YS0952 User manual

Save This Manual for Future Reference
Electric Log Splitter
Operator’s Manual
MODEL NUMBER
YS0952
SERIAL NUMBER
PURCHASE DATE
Both model number and serial
number may be found on the
main label. You should record
both of them in a safe place for
future use.
FOR YOUR SAFETY
READ AND UNDERSTAND THE ENTIRE MANUAL BEFORE OPERATING MACHINE
Tame the Great Outdoors®

YS0952PM00 - 2002
Introduction 1
Specications 3
Symbols 3
Safety 4
Contents Supplied 5
Assembly 6
Know Your Machine 8
Operation 9
Freeing a Jammed Log 11
Replacing Hydraulic Oil 12
Sharpening the Wedge 13
Troubleshooting 14
Wiring Diagram 14
Plumbing Diagram 14
Parts Diagram 15
Parts List 16
TABLE OF CONTENTS
Your new YARDMAX®electric log splitter offers quality
construction, and is easy and safe to operate. With
proper use and care, it is designed to give you many years
of dependable service.
Prepare to experience the durability to take on any job
— with the ease, portability, and convenience of clean,
electric splitting!
Discover the YARDMAX Advantage
At YARDMAX, we understand that land ownership
definitely has its privileges, but it also comes with a
great deal of responsibility. When duty calls and you
need to respond, will you have what it takes to tame the
great outdoors?
When looking for outdoor power equipment (OPE) to get
the job done right, at the right price, YARDMAX delivers
the perfect combination of performance and practicality.
YARDMAX has a solution that’s right for you.
MAX Performance, MAX Value, MAX Support —
that’s YARDMAX
Backed by decades of proven manufacturing expertise
Enhanced design features come standard
Engineered for the best user experience
Quality metal parts are used instead of plastic
A robust warranty supports all products
Budget-friendly prices make it practical
Up for the job? YARDMAX is.
√
√
√
√
√
√
1
|
Introduction

YS0952PM00 - 2002
Carefully read through this entire operator’s manual
before using your new Log Splitter. Pay attention to
all cautions and warnings.
MODEL AND SERIAL NUMBERS
Record the model and serial number as well as date
and place of purchase for future reference. Have this
information available when ordering parts or optional
accessories and when making technical or warranty
inquiries.
DISCLAIMER
YARDMAX reserves the right to discontinue, change,
and improve its products at any time without notice
or obligation to the purchaser. The descriptions and
specications contained in this manual were in effect at
printing. Equipment described within this manual may be
optional. Some illustrations may not be applicable to your
unit.
CALIFORNIA PROPOSITION 65 WARNING
Engine exhaust, some of its constituents and certain
product components contain or emit chemicals known to
the state of California to cause cancer and birth defects
or other reproductive harm. For more information, go to
www.P65Warnings.ca.gov.
ENVIRONMENTAL
Recycle unwanted materials instead of disposing of
them as waste. All tools, hoses, and packaging should
be resorted, taken to the local recycling center and
disposed of in an environmentally safe way.
0552100010117
Model Number
Serial Number
Electric Log Splitter
YS0952
Splitting Force:
Log Capacity:
Motor:
Weight:
9 ton
20-½"L
12-½"Dia.
15 amp
160 lbs
Manufacture Date:
11~201~10
2019 2020 2021
1 2 3 4 5 6
7 8 9 10 11 12
21~30
Manufactured in China
SUPPORT
Have questions about your YARDMAX equipment?
Call us at 847-327-0566 or 844-YARDMAX, email
us at [email protected], or contact us via your
favorite social media site.
2
Electric Log Splitter
»
Operator’s Manual
Introduction
|

YS0952PM00 - 2002
SPECIFICATIONS
Model Number YS0952
Splitting Force 9 ton (+/- 10%)*
Log Capacity 20.5" L x 12.6" dia.
Wedge Size 6"
Hydraulic Capacity 1.72 gal
Cylinder Cycle Time
Forward: 7s – 16s
Reverse: 7s
Wheel size 8"
Motor 15 amp
Product Weight 165 lb
Cylinder Size 2.75"
Product Dimensions 41.7" x 10.9" x 20.6"
Operating Position Horizontal
Stroke Limiter Included
SYMBOLS
The rating plate on your machine may show symbols. These represent important information about the product or instructions on its use.
*Slower splitting speed setting gives more force, faster speed gives less force
Read these instructions carefully.
Wear eye protection.
Wear hearing protection.
Wear protective gloves.
Wear safety footwear.
Do not remove or tamper with the
protection and safety devices.
Properly dispose of waste oil!
Keep hands and fingers away from all pinch
points.
Never remove partially split wood from
the wedge with your hands. Fingers may
become trapped between the split wood.
Warning! Stay clear of moving parts!
Disconnect the main plug prior to
the repair, cleaning, and maintenance of
the splitter!
Keep children and bystanders off
and away.
3
|
Specications & Symbols

YS0952PM00 - 2002
SAFETY
KNOW YOUR LOG SPLITTER
Read this manual and all labels to understand your YARDMAX log
splitter and its limitations and potential hazards.
DRUGS, ALCOHOL, AND MEDICATION
Do not operate your log splitter while under the influence of
drugs, alcohol, or any medication that could affect your ability to
use it properly.
AVOID DANGEROUS CONDITIONS
Secure your log splitter on level ground. Keep your work area
clean and well lighted. Cluttered areas may cause injuries. Do not
use your log splitter in wet or damp areas or expose it to rain. Do
not use it in areas where fumes from paint, solvents, or ammable
liquids pose a potential hazard.
INSPECT YOUR LOG SPLITTER
Inspect your log splitter before turning it on. Keep guards in
place and in working order. Regularly check to see that keys
and adjusting wrenches are removed from the tool area before
turning it on. Replace damaged, missing, or failed parts before
using it.
DRESS PROPERLY
Do not wear loose clothing, gloves, or jewelry (rings, watches) that
can be caught in moving parts. Wear protective nonconductive
gloves and nonskid footwear. Pull long hair back or wear a hat to
prevent hair from getting caught in the machine.
PROTECT YOUR EYES
Always wear safety glasses. Log splitters can throw foreign
objects into the eyes, causing permanent eye damage. Everyday
glasses do not have impact-resistant lenses and should not
replace safety glasses. Z87 rated glasses are recommended.
PROTECT YOUR BODY
Always stand behind the log splitter and be alert. Logs can
become a projectile under force of the ram in any direction.
KEEP VISITORS AND CHILDREN AWAY
Only one person at a time should operate the log splitter.
Bystanders should keep a safe distance from the work area,
standing behind the operator. Never have another person help
you free a jammed log.
EXTENSION CORDS
Improper use of extension cords can result in overheating. Your
extension cord should be no longer than 30 feet and a minimum
of 12 gauge with a 3-prong grounded plug.
AVOID ELECTRICAL SHOCK
Never open the pushbutton box on the motor. For any service
please contact YARDMAX or an authorized service center. Make
sure your fingers do not touch the plug’s metal prongs when
plugging or unplugging the log splitter.
INSPECT YOUR LOG
Make sure there are no nails or foreign objects in logs to be split.
The ends of the logs must be cut square. Branches must be cut
off ush with the trunk. Knots can make a log split differently and
could cause the log to become a projectile.
DON'T OVERREACH
Do not operate your log splitter on a slippery surface. Never
stand on the log splitter.
AVOID INJURY FROM ACCIDENTS
Always pay attention to the movement of the log ram. Do not load
the log until the log ram has stopped.
PROTECT YOUR HANDS
Keep your hands out of the way of all moving parts. Keep your
hands away from splits and cracks that open in the log; they may
close suddenly and crush or cut off your hands. Do not remove
jammed logs with your hands.
DO NOT FORCE TOOL
Your log splitter will do a better and safer job at its design
rate. Never try to split logs larger than those indicated in the
specifications table. This could be dangerous and may damage
the machine. Do not use your log splitter for anything other than
splitting logs.
NEVER LEAVE TOOL UNATTENDED
Do not leave your log splitter until it has come to a complete stop.
DISCONNECT POWER
Unplug your log splitter when not in use and before making
adjustments, changing parts, cleaning, or servicing. Consult the
technical manual before servicing.
PROTECT THE ENVIRONMENT
Take used oil to an authorized collection point. Do not pour into
drains, soil, or water.
MAINTAIN YOUR LOG SPLITTER WITH CARE
Keep your log splitter and its parts clean.
CHILDPROOF YOUR WORKSHOP
Store your log splitter away from children and others not
qualied to use it.
WARNING! Stay of clear of all moving parts!
4
Electric Log Splitter
»
Operator’s Manual
Safety
|

YS0952PM00 - 2002
Your YARDMAX log splitter comes completely assembled and contains the following:
1. Log Splitter
2. Operator’s Manual
CONTENTS SUPPLIED
19
5
|
Contents Supplied

YS0952PM00 - 2002
KNOW YOUR MACHINE
FEATURES AND CONTROLS
Switch Box
Switch
Motor
Wheels for Minor Moving ONLY
Control Lever Guard
Hydraulic Control Lever
Log Retaining Plates
Log Pusher
Work Table
Support Leg
Bleed Screw
Wedge
Lift Handle
Oil Drain Bolt w/ Dipstick
BLEED SCREW
Failure to loosen the bleed screw will keep the
sealed air in the hydraulic system compressed.
Continuous air compression and decompression
will blow out the seals of the hydraulic system and
cause permanent damage to the log splitter.
Before operating your log splitter, loosen the bleed
screw enough to allow air to freely ow in and out of
the oil tank.
Air flow through the bleed screw hole should be
detectable when the log splitter is in use.
Before moving the log splitter, make sure the bleed
screw is tightened to avoid oil leakage.
6
Electric Log Splitter
»
Operator’s Manual
Know Your Machine
|

YS0952PM00 - 2002
MAX PRESSURE LIMITING SCREW
Do not adjust the max pressure limiting screw!
Max pressure was preset at the factory by a qualied
mechanic using professional tools.
Unauthorized resetting will prevent the hydraulic
pump from providing enough splitting pressure or
RESULT IN SERIOUS INJURY AS WELL AS DAMAGE
TO THE MACHINE.
This log splitter is a home use model. It is designed for operating
under ambient temperatures between +5°C and 40°C and for
installation at altitudes no more than 1000m above M.S.L. The
surrounding humidity should be less than 50% at 40°C. It can
be stored or transported under ambient temperatures between
-25°C and 55°C.
For your safety, your log splitter is equipped with a “ZHB”
control system that requires both hands of the operator. The
left hand controls the hydraulic control lever while the right
hand controls the pushbutton switch. The log splitter will stop
if the lever or pushbutton are released. Only after the lever
and pushbutton are released will the log ram return to its
starting position.
If the log does not begin to split after 5 seconds
of operation, release both controls. The motor or
hydraulic fluid may overheat and damage your
log splitter.
Your YARDMAX log splitter is designed to operate in
temperatures between 40°F and 100°F and at altitudes below
3,200 ft (above sea level). The surrounding humidity should
be less than 50% at 100°F. It can be stored or transported in
temperatures between -10°F and 130°F.
Conrm that you have a US Standard, 3 pin grounded, Type B 15
AMP (NEMA 5-15).
Check that the electric circuit is grounded, adequately protected,
and that it corresponds with the power, voltage, and frequency of
the motor.
ELECTRICAL REQUIREMENTS
APPLICATION CONDITIONS
TWO-HANDED OPERATIONOPERATING CONDITIONS
OPERATION
LEFT HAND RIGHT HAND
Max Pressure
Limiting Screw
7
|
Know Your Machine & Operation

YS0952PM00 - 2002
ADJUSTING THE RETURN STOP
LOADING A LOG
If you are having trouble splitting a very hard piece of wood,
simply rotate your log 90° and try splitting it from that direction.
If the log cannot be split, then its hardness exceeds the machine's
capacity.
Do not split logs on the upper part of the blade.
This could break the blade or damage the
machine.
SPLIT HARD WOOD
2-STAGE CONTROL
When loading a log, place hands on the sides of the log, not the
ends. Make sure logs will not twist, rock, or slip while being split.
If you are splitting a pile of shorter logs, you may want to prevent
the pusher plate returning all the way back to start, as this will
speed up future operations.
To adjust the pusher plate position:
1. Extend the ram fully. When the ram is at full extension, release
the push button switch, but keep the control lever pressed
down to prevent the ram from returning.
Do not put any logs on the log splitter at this stage.
2. Loosen the handwheel on the return stop.
3. Slide the stop to the desired position, moving the stop toward
the splitter to shorten the stroke.
4. Tighten the handwheel on the return stop to lock it into
positon.
5. Make sure your hands are clear of the ram, and release the
control lever.
The ram should return as far as the stop will allow.
1 2
3 4
The splitting force and speed are governed by the 2-stage control
lever. Push the lever to POSITION 1 to advance (faster) to the log
using less splitting force. Don’t split the logs at POSITION 1. Push
the lever all the way to POSITION 2 to apply maximum splitting
force and slower speed to split logs. These stages can be changed
simply by moving the lever to one position or the other.
SPLIT LOG
POSITION 1 POSITION 2
ADVANCE to LOG
8
Electric Log Splitter
»
Operator’s Manual
Operation
|

YS0952PM00 - 2002
Release both controls.
After the log ram moves back to its starting position and
completely stops, insert a wood wedge under the jammed log.
Start the log splitter to push the wood wedge completely under
the jammed log.
Repeat above procedure with sharper-sloped wood wedge
until the log is completely freed.
FREEING A JAMMED LOG
Never try to knock a jammed log off the splitter
with your hand or another object. This could
damage the tool or cause the log to y up and hit
someone.
9
|
Freeing a Jammed Log

YS0952PM00 - 2002
REPLACING HYDRAULIC OIL
Replace the hydraulic oil in your YARDMAX log splitter after
every 150 hours of use. Follow these steps to replace it:
Make sure all moving parts stop and the log splitter
is unplugged.
Unscrew the oil drain bolt with dipstick to remove it.
Tip the log splitter so the oil drain plug is higher than the
motor and rell with 1.72 gallon (7 qt) of fresh hydraulic oil.
Clean the surface of the dipstick and put it back in the oil tank
while keeping the log splitter vertical.
Make sure the level of the relled oil is between the two
grooves on the dipstick.
Tip the log splitter so the motor end is higher than the oil drain
plug, and drain oil over a 3- gallon container.
Disassemble the log tray table before replacing
the hydraulic oil.
MAX
MIN
10
Electric Log Splitter
»
Operator’s Manual
Replacing Hydraulic Oil
|

YS0952PM00 - 2002
Over time your YARDMAX log splitter wedge will dull. If you notice decreased performance, we recommend sharpening the wedge using
a ne-toothed le, smoothing any burrs or crushed areas along the cutting edge. For questions about sharpening the wedge, call us at
844-YARDMAX.
SHARPENING THE WEDGE
The following hydraulic oils or equivalents are recommended for
your log splitter's hydraulic transmission system:
10W AW32
ASLE H-150
ISO 32
Clean the oil drain bolt with dipstick before screwing it
back in. Tighten it to avoid leakage before setting the log
splitter down.
Periodically check oil level to ensure it is between
the two grooves on the dipstick. Refill with oil if it
becomes low.
11
|
Replacing Hydraulic Oil & Sharpening the Wedge

YS0952PM00 - 2002
WIRING DIAGRAM PLUMBING DIAGRAM
TROUBLESHOOTING
Problem Cause Remedy
Fails to split logs
1. Log is improperly positioned
2. The sizes or hardness of the log
exceeds the capacity of the machine
3. Wedge cutting edge is dull
4. Oil leaks
5. Adjustment was made on max
pressure limiting screw
1. Refer to LOADING A LOG section (p. 8) for
proper log loading instructions
2. Reduce the log sizes before splitting
3. Refer to Sharpening the Wedge section to
sharpen the cutting edge
4. Locate leak(s) and contact YARDMAX
5. Contact YARDMAX
Log ram moves
inconsistently,
making unfamiliar
noises or vibrations
Lack of hydraulic oil and excessive air
in the hydraulic system
Check oil level for possible oil relling
Contact YARDMAX
Oil leaks around
stroke limiter or from
other points
1. Air sealed in hydraulic system while
operating
2. Bleed screw is not tightened before
moving the log splitter
3. Oil drain bolt with dipstick is
not tight
4. Hydraulic control valve assembly
and/or seal(s) worn
1. Loosen bleed screw by 3-4 rotations before
operating the log splitter
2. Tighten the bleed screw before moving the
log splitter
3. Tighten the oil drain bolt with dipstick
4. Contact YARDMAX
Ram moves slowly
and stops prior to
the end
Log splitter may not be level Ensure the log splitter is on a level surface
12
Electric Log Splitter
»
Operator’s Manual
Troubleshooting
|

YS0952PM00 - 2002
PARTS DIAGRAM
13
|
Parts Diagram

YS0952PM00 - 2002
No. Description QTY.
1 Nut 4
2 Snap Washer 22 1
3 Washer 10x2 1
4 Valve Rod 1
5 O-Ring 8.75x1.8 1
6 Safety Valve Spring basis 1
7 O-Ring 11.2x2.65 3
8 Safety Valve Spring 1
9 Safety Valve 1
10 Cylinder Cover - Left 1
11 Safety Valve 1
12 O-Ring 10.6x1.8 2
13 Safety Valve Core Adjusting Spring 1
14 Adjusting Spring Basis 1
15 Stud 4
16 Cylinder 1
17 Piston 1
18 Piston Ring 70 1
19 O-Ring 35.5x3.55 1
20 Restoring Spring 1
21 Circlip 40 1
22 Snap Washer 1
23 O-ring 38.7x2.65 1
24 O-ring 64.4x3.1 2
25 O-ring 7x1.9 1
26 Bleed Screw M5x12 1
27 Wear-resisting Belt 127x4x2 1
28 O-Ring 40 1
29 Piston Seal 40 1
30 Piston Rod Weldment 1
No. Description QTY.
31 Hex. Bolt M8x20 2
32 Moving Handle 1
33 Washer 16 2
34 Nut M16 2
35 Copper Washer 12 4
36 Safety Valve 1
37 O-Ring 17x1.8 5
38 Screw M10x8 2
39 Steel Ball 8.5 1
40 Valve Rod Restoring Spring 1
41 O-Ring 16x2.65 1
42 Valve Base 1
43 Intake Hose 1
44 Connection Hose 1
45 Cylinder Cover Guard 1
46 Lever Nut 1
47 Lever Head 1
48 Lever 1
49 Carriage Nut M10 3
50 Seperating Plate 1
51 Bolt M8x16 12
52 Washer 21
53 Body Cover - Right 1
54 Tube Frame 1
55 Cylinder Cover - Right 1
56 Dipstick Washer 14 1
57 Dipstick 1
58 Guard Cover - Right 1
59 Guard Cover - Left 1
60 O-Ring 10.6x2.65 2
PARTS LIST
14
Electric Log Splitter
»
Operator’s Manual
Parts List
|

YS0952PM00 - 2002
No. Description QTY.
61 Wheel Cover A 2
62 Wheel Shaft Snap Ring A 16 2
63 Wheel A 2
64 Wheel Shaft Frame 1
65 Nut M8 5
66 Nut M10 4
67 Hex. Bolt M8x35 1
68 Log Pusher 1
69 Washer 6 4
70 Cross Headed Screw M6x12 4
71 Body Cover - Left 1
72 Hex. Bolt M10x30 4
73 Plastic Insert - Upper 1
74 Plastic Insert - Lower 1
75 Drawing Weldment 1
76 Support Leg 1
77 Thin Nut M16 2
78 Spring Washer 16 2
79 O-Ring 10.6x2.65 2
80 O-Ring 46.2x1.8 2
81 Gear Shaft Snap Washer 10 2
82 Steel Ball 2.5 1
83 Bolt 8.8 M8x55 6
84 Spring Washer 8 9
85 Bolt 8.8 M8x30 3
86 Pump Cover 1
87 Sleeve Bearing 4
88 Gear Shaft 1
89 Pin 2.5x4 1
90 Gear 2
No. Description QTY.
91 Pin 8x24 2
92 Gear Housing Plate 1
93 Motor Support Shoe - Right 1
94 Motor Cover 1
95 Motor Support Shoe - Left 1
96 Seal FB11x26x7 1
97 Motor Assembly 1
15
|
Parts List

YS0952PM00 - 2002 16
Electric Log Splitter
»
Operator’s Manual
|

YS0952PM00 - 2002
17

YS0952PM00 - 2002 18
Electric Log Splitter
»
Operator’s Manual

847-327-0566 or 844-YARDMAX | [email protected]
yardmax.com
Tame the Great Outdoors®