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Gas Log Splitter
Operator's Manual
MODEL NUMBER
YU3266
YU3666
YU4066
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.
READ AND UNDERSTAND THE ENTIRE MANUAL BEFORE OPERATING MACHINE
FOR YOUR SAFETY
Save This Manual for Future Reference
Tame the Great Outdoors
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Summary of Contents for YARDMAX YU3266
- Page 1 Save This Manual for Future Reference Gas Log Splitter Operator’s Manual MODEL NUMBER YU3266 YU3666 YU4066 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.
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Page 2: Table Of Contents
Up for the job? YARDMAX is. 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. - Page 3 DISCLAIMER the state of California to cause cancer and birth defects YARDMAX reserves the right to discontinue, change, or other reproductive harm. For more information, go to and improve its products at any time without notice www.P65Warnings.ca.gov.
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Page 4: Specifications
SUPPORT Have questions about your YARDMAX equipment? Call us at 847-327-0566 or 844-YARDMAX, email us at support@yardmax.com, or contact us via your favorite social media site. SPECIFICATIONS Model # YU3266 YU3666 YU4066 Splitting Force* 32 ton 35 ton 40 ton Log Capacity 26"... - Page 5 Gas Log Splitter Operator’s Manual » Model # YU3266 YU3666 YU4066 Pump Size 14 GPM 14 GPM 18 GPM Hydraulic Cylinder Bore 4.5” 4.75” 5” Hydraulic Cylinder Stroke 24" 24" 24" Hydraulic Rod Diameter 1.75" 2" 2" Cylinder Cycle Time* 15.3 seconds...
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Page 6: Symbols
SYMBOLS The rating plate on your machine may show symbols. These represent important information about the product or instructions on its use. Never remove partially split wood from the wedge with your hands. Fingers may Read these instructions carefully. become trapped between the split wood. Keep hands and feet away from Wear eye protection. -
Page 7: Safety
Gas Log Splitter Operator’s Manual » LOG LIFT TABLE ATTACHMENT ( SOLD SEPARATELY) Read and follow the lift table assembly steps and operating instructions in owner's manual. Wrong direction of the log may cause roll and fall when rise. When the wedge is extended and not fully return back, do not pull the control lever outwards, otherwise the log lift table attachment may suddenly drop down, risks of falling the log, damage and injury. - Page 8 Keep children, pets, and other people not using the unit away Regularly check to see that keys and adjusting wrenches are from the work area. Be alert and shut off unit if anyone enters removed from the machine area before starting it. A wrench or work area.
- Page 9 Gas Log Splitter Operator’s Manual » HYDRAULIC SYSTEM SAFETY engine is running or when the engine is hot. Do not operate the machine with known leaks in the fuel system. The hydraulic system of the machine requires careful inspection along with the mechanical parts. Be sure to replace frayed, kinked, Loosen the fuel tank cap slowly to relieve any pressure in the tank.
- Page 10 HORIZONTAL OPERATING POSITION Do not straddle or step over the log splitter during operation. Do not reach or bend over the log splitter to pick up a log. When stabilizing a log with the left hand, remove your hand when the wedge contacts the log or serious injury may occur.
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Page 11: Unpacking The Container
Gas Log Splitter Operator’s Manual » UNPACKING THE CONTAINER Use the screwdriver and hammer to open all the side locks. Remove all the polywood plates. Remove all the loose parts on the bottom pallets. Use scissors or a knife to cut all the straps. (See Figure 1a) Figure 1a Figure 1b Unpacking the Container... -
Page 12: Contents Supplied
CONTENTS SUPPLIED Your YARDMAX log splitter comes partially assembled and contains the following: Heavy lifting required. Some of the components in these assembly instructions are heavy and can't be lifted by one person safely. Please plan to assemble this product when another person can be available to help. - Page 13 Gas Log Splitter Operator’s Manual » 1. Beam with Cylinder 2. Reservoir with Engine Log Lift Table Attachment ( Sold Separately) 3. Beam Lock Bracket 15. Log lift table attachment-main table 4. Pivot Bracket 16. Log lift table attachment-side table 5.
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Page 14: Assembly
ASSEMBLY This log splitter was partially assembled at the factory. To assemble your machine follow the below instructions. WHEELS Assistant holds the engine, while the other person assembles the wheel opposite of the engine first. At least two people are needed to move the reservoir outside of the pallet. - Page 15 Gas Log Splitter Operator’s Manual » Insert the cotter pin through the hole in the axle. Bend open After the beam and cylinder assembly is in the and spread the prongs in opposite directions so the axle nut vertical position, a helper is needed to prevent will not come off (make sure the tire spins freely).
- Page 16 PIVOT BRACKET Align the pivot bracket on the beam assembly to the pivot mount on the tank weldment and insert the beam pivot pin Align the holes in the pivot bracket with the holes on the beam and washer. (See Figure 7b) and insert and tighten bolts, spring washers, and flat washers.
- Page 17 Gas Log Splitter Operator’s Manual » Hold the lifting handle and slowly lower the beam. It will lock LOG CRADLES automatically. Double check to make sure the beam bracket 1. Align the holes on the right log cradle to the holes on the beam is locked onto the beam.
- Page 18 Log Lift Table Attachment ( Sold Separately) For the assembly of the log cradles, there are two Preparation mounting holes to choose from, as shown the inner hole and the outer hole in Figure 10c, the 1. Remove the right log cradle before assembling the log lift adjustment angle is 17.5°...
- Page 19 M12x55 (x2) Gas Log Splitter Operator’s Manual » Ejector Rod Assembly 1. Remove the two sets of hexagon recessed head screw M12x55 that fix the guide slide plate with the wedge. (See Figure 13a) M6x20 (x2) M12x55 (x2) Cable Fixing Plate Figure 14a M6 X 20 2.
- Page 20 Handle and Cable Assembly Slide-rail Assembly 1. Use a plier to pull down the spring pin and insert the slide- 1. Disassemble the original long control lever (See Figure 15, rail through the fixed guide rail until the two bolt holes on illustration 1), assemble the shorter log lift table control the slide-rail are fully exposed.
- Page 21 Main Table Gas Log Splitter Operator’s Manual » Connecting Plate Assembly 4. Assemble the right support leg with the main table. Tighten with bolts, washers and nuts. (See Figure 18b, 1. Assemble the connecting plate onto the tank, taking care illustration 4) to ensure the correct bending direction of the plate.
- Page 22 Log Lift Table Attachment Assembly Swing Arm Assembly 1. Remove the long bushing and short bushing from the 1. The front hole of the swing arm is fixed to the short shaft rotating shaft before assembly. (See Figure 19a) on the side of the left leg with bushing, washer and cotter pin.
- Page 23 Gas Log Splitter Operator’s Manual » Log Lift Table Attachment height Adjustment 1. Loosen the lock nut, adjust the table angle adjustment bolt backward to increase the length of the ejector rod, and the table tilts upward; On the contrary, adjust the table angle adjustment bolt forward to shorten the length of the ejector rod, and the table will tilt down.
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Page 24: Know Your Machine
KNOW YOUR MACHINE FEATURES AND CONTROLS Log Table (Sold Separately) Log Lift Table Attachment (Sold Separately) 2-Position Log Cradle Log Stripper Reservior Cylinder Lifting Handle Manual Tube Beam Lock Bracket Beam Assembly Hydraulic Breather/Dipstick Support Leg 2” Ball Hitch Coupler Safety Chains Hydraulic Pump Control Valve... - Page 25 Gas Log Splitter Operator’s Manual » Engine On/Off Switch Recoil Starter Handle Throttle Control Choke Control Fuel Shut-Off Valve 2-POSITION LOG CRADLE BEAM ASSEMBLY The log cradles are designed to catch the log after it is split. The U-beam structural design is significantly stronger than a typical I-beam design.
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Page 26: Operation
THROTTLE CONTROL CHOKE CONTROL The choke control is used to choke the carburetor and The throttle control regulates the speed of the engine and will shut off the engine when it is moved to the assist in starting the engine. The choke control slides STOP position. - Page 27 Gas Log Splitter Operator’s Manual » STARTING ENGINE STOP ENGINE 1. Make sure the control lever is in the neutral position. Return the cylinder to fully retracted position or home position. Move the Throttle lever to SLOW ( ). Move the engine switch to OFF.
- Page 28 CONVERSION BETWEEN HORIZONTAL SPLITTING POSITION AND VERTICAL SPLITTING POSITION Forward Position Reverse Position Neutral Position Horizontal Beam Lock Horizontal Position Figure 22a Lifting Handle Reverse Position Neutral Position Forward Position Rotating Position Figure 22b STUCK LOG PROCEDURE If a log does not split completely and becomes stuck on the wedge, never attempt to remove it by modifying the splitter or adding attachments to the splitter.
- Page 29 Gas Log Splitter Operator’s Manual » Log Lift Table Attachment Operation (If equipped) 1. When the log lift table attachment is flush with the beam, pull the control lever of the control valve outward while pushing it Wedge Log Lift Attachment forward.
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Page 30: Transporting
TRANSPORTING MOVING BY HANDS 3. Make sure hitch is in good working order. 4. Check safety chains. Two safety chains must be used while The log splitter is heavy. It can crush and cause towing. Cross safety chains under the coupler, allowing only serious injury if it rolls out of control or tips over. -
Page 31: Maintenance
Gas Log Splitter Operator’s Manual » MAINTENANCE Inspect and maintain the log splitter before each use. If the ADD HYDRAULIC OIL TO OIL TANK log splitter has been used previously, it must be inspected and 1. Make sure the log splitter is on a flat, level surface. maintained before each subsequent use. -
Page 32: Storage
STORAGE Follow the instructions below for storing your log splitter between Always drain fuel from the tank in an outdoor, well- uses. ventilated area. 1. Retract the wedge completely to keep the rod protected from Stay away from sources of heat, flame, or sparks corrosion. -
Page 33: Troubleshooting
Gas Log Splitter Operator’s Manual » TROUBLESHOOTING Problem Cause Remedy 1. Purge air by extending and retracting the 1. Air in the hydraulic oil system wedge several times until motion is smooth 2. Debris lodged in beam guides Wedge movement is 2. -
Page 34: Parts Diagram
PARTS DIAGRAM Parts Diagram YU3266PM09 - 2402... - Page 35 Gas Log Splitter Operator’s Manual » YU3266/YU3666 PARTS LIST Description Description Description Pin 35x59 36 Pressure Spring 71 Dipstick Bridge Pin 37 Pin 6x40 72 Wheel Washer 22 Hose Clamp 40 38 Washer 4 73 Dust Cap Hex Socket Head Cap Screw M6x20 1...
- Page 36 Parts Diagram YU3266PM09 - 2402...
- Page 37 Gas Log Splitter Operator’s Manual » YU4066 PARTS LIST Description Description Description Pin 35x59 36 Pressure Spring 71 Dipstick Bridge Pin 37 Pin 6x40 72 Wheel Washer 22 Hose Clamp 40 38 Washer 5 73 Dust Cap Hex Socket Head Cap Screw M6x20 1 39 Nut M10 74 Axle Nut M22 Right-Angle Fitting...
- Page 38 # Log Lift Table Attachment ( Sold Separately) 14# 15# 20# 4# 3# 41#40# 38# 37# LOG LIFT TABLE ATTACHMENT ( SOLD SEPARATELY) PARTS LIST Description Description Ejector Rod 21# Bending Plate U-shaped Plate 22# Connecting Plate Round Head Bolt M10x40 23# Bolt M10x20 Nut M10 24# Spring Washer 10...
- Page 39 Gas Log Splitter Operator’s Manual » YU3266PM09 - 2402...
- Page 40 Tame the Great Outdoors ® 847-327-0566 or 844-YARDMAX | support@yardmax.com...
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