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Summary of Contents for Morbark MXD86 Track
- Page 1 Stump Grinder Product Manual MXD86 Track RPM x 100 TACH HOURS WATER ALT. TEMP. PRESS. S/N H793 - 0042 Read this manual before using the machine...
- Page 2 PLACE PLACE MORBARK MORBARK PARTS SAFETY VIDEO VIDEO HERE HERE...
- Page 3 All rights reserved. This book is protected by copyright. No part of this book may be reproduced in any form or by any means including photocopying, or utilized by any information storage and retrieval system without written permission from Morbark Inc. Printed in the United States of America.
- Page 4 MANUAL REVISION LOG Revision: Date Issued: Pages Affected: Description of Changes: March 28, 2016 Initial Release Sept. 3, 2019 4.25 Part number item 7 WARNING! The engine exhaust from this product contains chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm.
- Page 5 If for any reason you need to correspond with us, or The four distinct sections are Safety, Features, Parts, any of the Morbark dealers, please have the serial and Maintenance. If you need specific safety and number handy. It is located on the front side of the maintenance information regarding a feature of the tank mount on the front of the stump grinder.
- Page 6 Contents Section 1 • Safety Section 2 • Features and Functions Section 3 • General Maintenance Section 4 • Parts...
- Page 7 Safety Section 1 General ..........1.1 Operator Training .
- Page 8 Safety • Symbols, Signs, and Terms Symbols, Signs, and Terms Warning Symbol Graphics Think Safety Throughout this manual, and on the decals of your machine, you will find Safety is a combination of common sense and alertness at all times when many types of safety symbols.
- Page 9 Safety • General General Personal Protection Clothing and Gear Before You Begin Reading this manual and understanding the machine’s operation and • Wear proper personal protective equipment at all times dangers is mandatory for every person who has contact with this machine.
- Page 10 Safety • General General Operation Standards: continued • Never transport flammable liquids on the machine. If you need to • If the stump grinder is attached to a truck or van, make sure the hitch transport them, carry them separately is secure and the safety chains are properly attached •...
- Page 11 • Do not operate the machine on uneven or unstable surfaces and ground Modifying • Any modifications to the machine must be approved by Morbark, Inc. • Do not operate the machine on steep inclines Unauthorized modifications may void the warranty •...
- Page 12 Failure to READ and UNDERSTAND the Operators Manual Could Result in Death or Serious Injury. Operators and Parts Manuals are in this container. If doucuments are lost, contact your RPM x 100 Morbark dealer for replacements. 39511-399 TACH HOURS WATER ALT.
- Page 13 T his reservoir was initi ally filled w ith MORBARK HYDREX XV hydraulic fluid Whe n refilling t he system we recommend MORBARK HYDREX XV hydra ulic fluid o r equival e n t. OPER ATING R ANGE -40° to 17 0° F (-40° to 77° C) If temperature exceeds 170°...
- Page 14 Safety • Label Locations Safety Label Locations: Valve Bank Manifold 39511-623 39511-623 39511-623 Swing Speed SWING SPEED 39511-444 76347-812 • 10-15...
- Page 15 Safety • Lockout Procedure Lockout Procedure 2. Raise the grinder arm until the hole in the center pivot is fully WARNING! exposed. Insert the safety pin into the hole until it is completely thru, centered, and each end rests on the center pivot side plates. Moving parts can crush, cause severe injury or death.
- Page 16 Safety • Crime Prevention Crime Prevention By following the advice on this page, you can reduce vandalism, Parking Outdoors discourage theft, and help recover the machine if it is stolen. • Park out of sight • Remove the ignition key and battery Record Identification Numbers •...
- Page 17 Safety • Checkout Procedure Safety Checkout Procedure Be sure to go through the following checklist at the beginning of each The machine is set up on a flat surface session or when changing operators. All spectators are at a safe distance from operation All safety labels and placards are clean and legible.
- Page 18 Features and Functions Section 2 The Basics: Operator Side ....... . . 2.1 The Basics: Non-Operator Side .
- Page 19 Features and Function • The Basics The Basics: Operator Side Muffler Hydraulic oil tank Engine control panel Valve bank manifold Grinder arm and control levers assembly RPM x 100 TACH HOURS WATER ALT. TEMP. PRESS. Grinder wheel Grinder wheel belt guard Optional Manual Optional remote...
- Page 20 Features and Function • The Basics Hydraulic oil tank Track manifold Is the compartment where the hydraulic oil is stored and refilled. Provides power to the tracks. Muffler Manual box Helps reduce engine noise. Provides a place for the product literature to be stored. Use the manual to refer to safety information, features and functions, parts, and Engine control panel and control levers maintenance.
- Page 21 Features and Function • The Basics The Basics: Non-Operator Side Hydrostatic pump filter Grinder wheel motor Air filter Diesel Hydraulic oil filter housing engine Grinder wheel Hydrostatic pump side deflects (behind battery box) Battery box 76347-812 • 10-15...
- Page 22 Features and Function • The Basics Grinder wheel motor Provides power to the grinder wheel. Hydrostatic pump filter Helps keep hydraulic oil in the hydrostatic pump clean. Air filter housing Holds the air filter and enhances the efficiency of the machine by helping to keep the engine clean.
- Page 23 Features and Function • Diesel Engine Diesel Engine RPM x 100 TACH HOURS WATER ALT. TEMP. PRESS. 76347-812 • 10-15...
- Page 24 If you are unsure about the regulations in your area, check with local fire agencies before beginning work. Your Morbark dealer can provide information about a spark arrestor suitable for use with the power unit installed in this machine.
- Page 25 Features and Function • Diesel Engine Follow these steps to operate the engine: Starting the Engine RPM x 100 Tachometer 1. Turn the key to the START position. TACH HOURS Hour meter NOTE: If the engine does not start, allow the starter and moving parts in the engine to stop.
- Page 26 Features and Function • Diesel Engine Air Filter: A clean air filter is critical to machine performance and life. The need to replace the air filter depends on the amount that the machine is used and the environment it is used in. During periods of heavy use, and/or a dirty environment, the filter should be checked before every use and changed if necessary.
- Page 27 Features and Function • Hydrostatic Pump Hydrostatic Pump Hydrostatic pump filter Transmission section Primary section Hoses leading to various parts of the machine Hydrostatic Pump: Operator Side Hydrostatic Pump: Non-Operator Side 2.10 76347-812 • 10-15...
- Page 28 Features and Function • Hydrostatic Pump Safety The hydrostatic pump circulates hydraulic oil from the hydraulic oil tank to the grinder wheel motor and valve bank manifold. The valve bank manifold WARNING! distributes the oil to the drive (propel) system, grinder arm, steering, and optional plow.
- Page 29 Morbark parts and service, the solution to your problems. Buying your parts elsewhere just does not pay. To keep your equipment performing at its peak use GENUINE MORBARK PARTS 800-255-8839 800-832-5618 fax www.morbark.com 2.12 76347-812 • 10-15...
- Page 30 Features and Function • Valve Bank Controls Valve Bank Manifold Safety The grinder arm swing flow control knob regulates the grinder arm’s WARNING! freedom of movement. When the flow is completely open, the grinder arm can swing quickly from left to right. To reduce this freedom of swing, reduce the flow rate by turning the knob to the left.
- Page 31 Features and Function • Hydraulic Oil and Diesel Fuel Tanks Hydraulic Oil and Diesel Fuel Tanks Hydraulic oil Hydraulic oil filler cap gauge Hydraulic tank Hydraulic oil gauge Hydraulic oil filter Fuel filler cap Fuel gauge Fuel tank 2.14 76347-812 •...
- Page 32 RPM x 100 TACH Features and Function • Hydraulic Oil and Diesel Fuel Tanks HOURS WATER ALT. TEMP. PRESS. Safety The filter and shutoff valve for the fuel tank are inside the housing for the engine. In an emergency, the engine can be shut off by closing the fuel shutoff valve.
- Page 33 Features and Function • Grinder Wheel Grinder Wheel Center the machine with the stump Grinder Grinder wheel wheel teeth Threaded insert Keeper block Nylok bolt Position wheel off to the side of the stump Multi-tip Tooth 2.16 76347-812 • 10-15...
- Page 34 Features and Function • Grinder Wheel Safety 5. Make a pass across the stump and lower the grinder arm for the next pass. Grinding may be done in both directions. WARNING! 6. Whenever there is a break in operation, lower the throttle and The grinder wheel turns at high revolutions per minute disengage the grinder wheel.
- Page 35 Features and Function • Grinder Wheel Drive Belt and Motor Grinder Wheel Drive Belt and Motor Grinder wheel drive belt motor Grinder wheel belt tension adjustment bolt Grinder wheel drive POINT belt guard bolts Moving parts can crush and cut. Grinder wheel Follow lockout procedures before servicing.
- Page 36 Features and Function • Grinder Wheel Drive Belt and Motor Safety Before operating the machine, check the alignment and tension of the WARNING! grinder wheel drive belt. Make sure the sprockets are correctly aligned and the shafts are parallel. Failure to have proper alignment and tension results in reduced performance and excessive wear on the belt.
- Page 37 Features and Function • Tracks Tracks Press button to Press button to move tracks in TRACKS IN POWER ON/OFF TRACKS IN move tracks out LT TRACK FWD CREEP MODE ON DRIVE FAST RT TRACK FWD CUTTER ENGAGE LT TRACK REV CREEP MODE OFF CUTTER DISENGAGE DRIVE SLOW RT TRACK REV...
- Page 38 Features and Function • Tracks Safety The rate the machine moves is controlled by the remote, there are four different speeds. WARNING! Here are some operating tips: Operating the machine when the track is not • Keep both tracks equally loaded and evenly supported on the ground completely supported may result in the machine tipping over and cause serious injury or death.
- Page 39 Features and Function • Remote Control Remote Control Operating the machine is managed by manipulating the joysticks on the remote control. Safety For reliable radio operation, stay within working radius. (For individual WARNING! working distance refer to your OEM Manual.) When using the remote control always pay complete Specified operating ranges are based upon line-of-sight conditions.
- Page 40 Features and Function • Battery Battery Safety WARNING! The battery generates explosive gas during normal operation. Keep ignition sources (e.g., sparks, cigarettes, flames) away at all times. Battery acid can cause severe burns. Wear protective clothing and face shield when handling the battery or exposed to it.
- Page 41 Features and Function • Optional Plow Optional Plow Safety WARNING! CUTTER DISENGAGE BLADE UP ENGINE STOP Never put any part of your body underneath the plow during operation or maintenance. The plow may cause Moves plow serious injury if body parts are caught underneath it. up and down Function BLADE DOWN...
- Page 42 Features and Function • Specifications Specifications RPM x 100 TACH HOURS WATER ALT. TEMP. PRESS. 69 ” 175” General Power Options Cutter Wheel Tank Capacities Diesel Fuel ..23 gal Length ... . . 175 in. Cat .
- Page 43 General Maintenance Section 3 Maintenance Overview ........3.2 Lubrication .
- Page 44 General Maintenance Maintenance Overview Routine Lubrication Schedule As has been presented throughout this manual, preventive maintenance Start on your Stump Grinder is very important. It affects safety and Description Hrs. performance, increases the life of critical parts, results in less down time, Grinder Arm and increases productivity.
- Page 45 General Maintenance • Lubrication Lubrications Points Grinder Arm Cylinder Lateral Grinder Arm Clevis Assembly Grinder Arm Upper Grinder Wheel Retainer Assembly Bearings Upper Pivot Arm Lower Pivot Arm Grinder Pivot Side Plates Plow Mounting Bracket Track Drive 76347-812 •10-15...
- Page 46 General Maintenance • Bolts and Torque Bolts and Torque Making sure that all the bolts are regularly checked and tightened to the • Do not use the torque values shown in this chart in place of those proper torque is critical. The chart below shows the proper torque specified in other sections of the manual relative to the bolt size and type.
- Page 47 General Maintenance • Bolts and Torque Grade 8 - Course Thread Grade 8 - Fine Thread Size Clamp Load Plain Plated Size Clamp Load Plain Plated 1/4-20 (.250) 2,850 12 ft-lb 9 ft-lb 1/4-28 (.250) 3,263 14 ft-lb 10 ft-lb 5/16-18 (.3125) 4,725 25 ft-lb...
- Page 48 General Maintenance • Belt Tension Belt Tension Always use a sonic tension meter when checking the tension of the belt. WARNING! Incorrect belt tension will lead to rapid wear and failure. Included below is an overview of the use of the Gates Model 507 sonic tension meter. Refer to the manufacturers manual for complete instructions.
- Page 49 General Maintenance • Belt Tension To use the sonic tension meter: 5. Press the MASS key and enter “7.9”. 1. Press the MEASURE key and the green LED light will begin flashing. 6. Press the WIDTH key and enter “68.0”. Tap the belt span to make the belt span vibrate.
- Page 50 -67º exists. If you are unsure about the regulations in your area, check with local fire agencies before beginning work. Your Morbark dealer can provide infor- mation about a spark arrestor suitable for use with the power unit installed in this machine.
- Page 51 General Maintenance • Air Filter Air Filter A clean air filter is critical to the performance of the Stump Grinder and 4. Inspect the old filter for evidence of dust leakage and gasket sealing the life of the engine. Dirt inside the engine will ruin it. The filter should problems.
- Page 52 General Maintenance • Fuel Fuel Fuel Specifications DANGER Use No. 2-D diesel fuel (reference ASTM D975) under normal operating conditions. In extremely cold conditions No. 1-D diesel fuel is Ignition sources (e.g: lit cigarettes, open flame, sparks, recommended. Refer to the engine OEM manual for specific information excessive heat) will ignite diesel fuel and result in burns regarding the type of fuel to use.
- Page 53 General Maintenance • Hydraulics Hydraulics The quality of old hydraulic oil can be assessed by sight, smell, touch, WARNING! and sound. If there is a color shift, bad aroma, or you feel grit in a sample, then the fluid is degrading. Another indication that the fluid should be checked is an increase in the sound level of the operating The hydraulic pump and oil are hot during operation system.
- Page 54 General Maintenance • Track Tracks The tension of the track should be checked every 10 to 15 hours of WARNING! machine use. To adjust the tension of the track follow these steps: 1. Position the machine on a flat surface and raise it until the track is Operating the machine when the track is not completely off the ground.
- Page 55 General Maintenance • Grinder Wheel Teeth Grinder Wheel Multi Tip After a grinder wheel tooth is removed from the slot, check the following: • The groove on top of the keeper plate. This locates the tooth and you should WARNING! replace the tooth if damaged •...
- Page 56 General Maintenance • Grinder Wheel Teeth Grinder Wheel Tomahawk Teeth To change or replace a grinder wheel tooth: 1. If necessary, for quick and easy dirt and wood removal from the socket WARNING! head bolt, use a dull (so it does not grab) 1/2” drill bit in your cordless drill and finish cleaning with a sharp object.
- Page 57 General Maintenance • Grinder Wheel Teeth Green Tap & Turn Teeth Fitting the teeth: 1. Install teeth with the carbide facing down. WARNING! 2. Insert the tooth’s shank in to the pockets bore (see figure 1.) The shank will go into the pockets bore a short way before stopping. Before checking or replacing the grinder wheel teeth, shut down the machine and perform the lockout 3.
- Page 58 General Maintenance • Grinder Wheel Teeth Green Teeth with Nut Fitting the teeth: 1. Install teeth with the carbide facing down. WARNING! 2. Insert the tooth’s shank in to the pockets bore (see figure 1.) Thread nut onto the top portion of the tooth, turn hand tight. Repeat Before checking or replacing the grinder wheel teeth, until all teeth are installed.
- Page 59 General Maintenance • Grinder Teeth, New River, Option New River WARNING! To change, or replace, a Side tooth: 1. Remove the nut and grasp the tooth with a suitable device and Do not operate the grinding wheel if the grinding teeth remove by working it until it is loose.
- Page 60 General Maintenance • Corrosion & Oil Viscosity Corrosion Oil Viscosity Guide Corrosion is a possible problem in the cylinder rods and the diesel Single Multi engine. The cylinder rods are chrome plated. They should be checked for Viscosity Temperature Viscosity pitting and rust.
- Page 61 General Maintenance • Remote Control System Remote Control System WARNING! TRACKS IN POWER ON/OFF TRACKS IN Electrical shock or arc flash may result in serious injury. LT TRACK FWD CREEP MODE ON CUTTER ENGAGE DRIVE FAST RT TRACK FWD Disconnect all power before making any wiring connections to the receiver.
- Page 62 General Maintenance • Remote Control System Remote Control System Trouble Shooting Guide Symptom Check Corrective Action Nothing happens when the transmitter is Are the batteries OK? Check that batteries are good, or replace if bad. turned on. Are the batteries installed correctly? Check that the batteries are installed correctly.
- Page 63 Morbark’s behalf Disclaimer of Warranties. This Warranty is in lieu of all other in connection with the sale of any equipment covered by this Warranty.
- Page 64 Warranty Claims Morbark, Inc. is committed to making sure that your machine is 3. Install the new part and send the defective part to Morbark, Inc. • Attach the Morbark, Inc. invoice received for the replacement operational and productive at all times. We carry an extensive part.
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