MTD Series 550 Operator's Manual
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Safe Operation
Practices • Set-Up • Operation
• Maintenance
• Service • Troubleshooting
• Warranty
L
Log Splitter
m Model Series 550
MTD LLC, P.O. BOX 361131 CLEVELAND, OHiO 44136-0019
PrintedIn USA
FormNo.769-04973A
(June9, 2010)

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Summary of Contents for MTD Series 550

  • Page 1 Safe Operation Practices • Set-Up • Operation • Maintenance • Service • Troubleshooting • Warranty Log Splitter m Model Series 550 MTD LLC, P.O. BOX 361131 CLEVELAND, OHiO 44136-0019 PrintedIn USA FormNo.769-04973A (June9, 2010)
  • Page 2: Serial Number

    Choose from the options below: Visit us on the web at www.mtdproducts.com Call a Customer Support Representative at (800) 800-7310 or (330) 220-4683 Write us at MTD LLC • RO. Box 361131 • Cleveland, OH • 44136-0019...
  • Page 3: Important Safe Operation Practices

    ImportantSafeOperation Practices WARNING! This symbol points out important safety instructions which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate this machine. Failure to comply with these instructions may result in personal injury.
  • Page 4 13. Ifyour m achine isequipped withaninternal combustion Never fuel machine indoors. engine and isintended foruse near a ny unimproved forest, Never remove gas cap or add fuel while the engine brush, orgrass covered land, theengine exhaust should b e hot or running. equipped withaspark arrester.
  • Page 5: Spark Arrestor

    When splitting in the vertical position, stabilize the log Do not alter this machine in any manner, alterations such before moving the control handle. Split as follows: as attaching a rope or extension to the control handle, or adding to the width or height of the wedge may result in Place log on the end plate and turn until it leans...
  • Page 6: Safety Symbols

    Safety Symbols This page depicts and describes safety symbols that may appear on this product. Read, understand, and follow all instructions on the machine before attempting to assemble and operate. READ THE OPERATOR'S MANUAL(S) Read, understand, and follow all instructions in the manual(s) before attempting assemble and operate...
  • Page 7: Assembly And Setup

    Assembly & Set-Up Contents of Carton One Log Splitter One Tongue Assembly One Operator's Manual One Engine Operator's Manual WARNING! Use extreme caution unpacking this Remove the spring clip and clevis pin from the jack stand on the tongue and then pivot the jack stand towards machine.
  • Page 8 Align the holes in the tongue with the holes in the tank Disconnect the dislodger from the beam weld bracket by bracket and secure with the hardware just removed. See removing the six hex screws. See Fig. 3-4. Fig. 3-2. NOTE:The high pressure hose, which runs from the gear pump to the bottom of the control valve, must be above the tongue assembly.
  • Page 9: Gasand Oil Fill-Up

    Lift and slide the cylinder up to the top of beam and into Set-Up the weld brackets. See Fig. 3-6. Gasand Oil Fill-Up Service the engine with gasoline and oil as instructed ,linder the engine manual packed with your log splitter. Read the instructions carefully.
  • Page 10 Check the fluid level using the dipstick. See Fig. 3-8. Do not overfill. NOTE:Approved fluids include Shell Tellus ®32 Hydraulic Fluid, Dexron ® III/Mercon ®automatic transmission fluid, Pro-Select AW-32 Hydraulic Oil or IOWAW-ISO viscosity grade 32 hydraulic oil. It is not recommended that fluids be mixed, to top offthe reservoir...
  • Page 11: Controls And Features

    Controls a nd Features g Dislodger iorizontal Control Handle_ Beam Lock Tongue Tray Plate Vertical Beam Lock Figure 4=1 Log Dislodger See the Engine Operator's Manual for the location and function The log dislodger is designed to remove any partially split wood of the controls on the engine.
  • Page 12: Operation

    Operation Starting the Engine Usingthe LogSplitter Operating Positions WARNING! Read, understand and follow instructions and warnings on the machine and in Place the log splitter on flat, dry, solid ground. this manual before operating. Block the front and back of both wheels. See Fig. 5-I. WARNING! Wear leather work gloves, safety shoes, Vertical...
  • Page 13 To lock the beam in the vertical position, pull out Usingthe Control Handle on the vertical beam lock and rotate it to secure the The control handle has three positions. See Fig. 5-4. beam. See Fig. 5-2. To Return Wedge i...
  • Page 14: Splitting The Wood

    Splitting the Wood Transporting the LogSplitter Start the engine as instructed in the Engine Operator's Lower the beam to its horizontal position. Make certain the manual included with the log splitter. beam is locked securely with the horizontal beam lock. Place the log against the end plate and only split the wood Remove the spring clip and clevis pin from the jack stand.
  • Page 15: Operating Tips

    OperatingTips Always: Use clean fluid and check the fluid level regularly. Use an approved hydraulic fluid. Approved fluids include Shell Tellus ®32 Hydraulic Fluid, Dexron ® III / Mercon ® automatic transmission fluid, Pro-Selecg MAW-32 Hydraulic Oil or 10WAW-ISO viscosity grade 32 hydraulic oil.
  • Page 16: Maintenance And Adjustments

    Maintenance& Adjustments WARNING! Carefully unthread the inlet filter and clean it with Do not make any adjustments without first stopping the engine, disconnecting the spark penetrating oil. See Fig. 6-1. plug wire and grounding it against the engine. Always wear safety glasses during operation while performing any adjustments...
  • Page 17 Refill the reservoir within range marked on the dipstick. Adjustments See Fig. 6-2. Raisingand Lowering the Beam Dipstick Use the control handle to run the wedge up and down the beam 6 to 8 times to circulate the hydraulic fluid, which will warm and thin the fluid.
  • Page 18: Gib Adjustment

    Gib Adjustment Periodically remove and replace the gibs -- spacers -- between the wedge assembly and the back plate. NOTE:The gibs may be rotated and/or turned over for even wear. Loosen the lock nuts under each back plate and slide the gibs out.
  • Page 20: Troubleshooting

    Troubleshooting Problem Cause Remedy Engine runs erratic Log Splitter running with CHOKE applied. Move choke lever to OFF position. Spark plug wire loose. Connect and tighten spark plug wire. Blocked fuel line or stale fuel. Clean fuel line; fill tank with clean, fresh gasoline.
  • Page 21 Problem Cause Remedy See authorized service dealer. Slow cylinder shaft speed 1. Gear sections damaged. while extending 2. Excessive pump inlet vacuum. Make certain pump inlet hoses are clear and retracting unblocked-use short, large diameter inlet hoses. See authorized service dealer. 3.
  • Page 22: Illustrated Parts List

    IllustratedPartsList i 73...
  • Page 23 Refl Refl Part Number Description Part Number Description 710-04484 918-0769A Hex Washer Screw, %0-18 x .750 Hydraulic Cylinder 712-04065 727-04166 Flange Lock Nut, 3/8-16 Hydraulic Tube 710-I018 781-04179-0637 Hex Cap Screw, I/2-20x 2.75 Log Tray 981-04040A-0637 737-0192 90 Degree Solid Adapter Frame Assembly 710-0521 Control Valve...
  • Page 24: Limited Warranty

    MANUFACTURER'S LiMiTED WARRANTY The limited warranty set forth below is given by MTD LLC with c. Routine maintenance items such as lubricants, filters, blade respect to new merchandise purchased and used in the United States sharpening, tune-ups, brake adjustments, clutch adjustments,...

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