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Morbark D76SPH 4x4 Product Manual

Stump grinder
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Stump Grinder
WATER
TEMP.
S/N 791 - 0017
SWING SPEED
MANUAL BREAK
BYPASS
PROPEL SPEED
15
10
MANUAL BREAK
20
RPM x 100
RELEASE
5
25
0
TACH
30
HOURS
OIL
ALT.
PRESS.
CUTTER
CONTROL
SPEED
THROTTLE
HEAD
ON
REMOTE
HIGH
UP
OFF
MANUAL
LOW
DOWN
39511-593
Product Manual
Read this manual before using the machine
Diesel Engine #D76SPH 4x4
76340-807
09/2008

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Summary of Contents for Morbark D76SPH 4x4

  • Page 1 Stump Grinder Diesel Engine #D76SPH 4x4 SWING SPEED MANUAL BREAK BYPASS PROPEL SPEED MANUAL BREAK RPM x 100 RELEASE TACH HOURS WATER ALT. TEMP. PRESS. CUTTER CONTROL SPEED THROTTLE HEAD REMOTE HIGH MANUAL DOWN 39511-593 Product Manual S/N 791 - 0017...
  • 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 WARNING! The engine exhaust from this product contains chemicals known to the state of California to cause cancer, birth defects or other reproductive harm. CALIFORNIA Proposition 65 Warning Diesel engine exhaust and some of its constituents are known to the state of California to cause cancer, birth defects, and other reproductive harm.
  • Page 5 If for any reason you need to correspond with us, or any of the Morbark dealers, please have the serial The four distinct sections are Safety, Features, Parts number handy. It is located on the front side of the and Maintenance.
  • Page 6 Contents Section 1 • Safety Section 2 • Features and Functions Section 3 • Parts Section 4 • General Maintenance Section 5 • Index...

  • Page 7: Table Of Contents

    Safety Section 1 Safety, Symbols, Signs, and Terms ......1.2 General ..........1.3 Operator Training .

  • Page 8: Safety, Symbols, Signs, And Terms

    Safety • Symbols, Signs, and Terms Symbols, Signs, and Terms A “Note” indicates important information unrelated to safety. Think Safety Safety is a combination of common sense and alertness at all times when Warning Symbol Graphics handling, operating or servicing the machine. Throughout this manual, and on the decals of your machine, you will find The following symbols indicate a safety alert.

  • Page 9: General

    Safety • General General Figure 1.1 Safety is No Accident Accidents don’t just happen; they are usually caused when people make Personal Protection mistakes, are not properly trained, or do not have full understanding of how the machine operates. It is mandatory that employers/owners have safety and operating procedures Clothing and Gear related to the handling, operation, and maintenance of this machine.

  • Page 10: Operation

    • Water tanks and halon gas extinguishers are recommended. • Communication device (e.g., cell phone, walkie talkie) • Fully stocked first aid kit. (Can be ordered from Morbark P/N 59135-245.) Maintenance • Clean dirt, oil, wood chips, and bark from engine area. Remove debris and accumulated oil, grease, and other flammable material from around the power unit and bearings daily.

  • Page 11: Shutdown

    Safety • General Spectators, Children, and Untrained Individuals Handling • Do not allow children or spectators to operate the machine or play • Do not climb, sit, stand or lay on the machine during operation. near the machine. • Use caution when working and moving around the machine. Walk and maintain balance at all times.

  • Page 12: Safety Label Locations Operator Side

    DISENGAGE ATTEMPTING TO OPERATE THIS MACHINE 39511-459 39511-459 39511-459 39511-458 39511-458 39511-458 HYDRA ULIC OIL THIS RESERVIOR INITALLY FILLED HYDRAULIC MORBARK WITH HYDREX WHEN REFILLING FLUID (P/N 18677-050) RECOMMEND THE SYSTEM MORBARK OR EQUIVALENT HYDREX -40º TO OPERATING RANGE: CHANGE 70ºC (-40º...

  • Page 13: Safety Label Locations: Non-Operator Side

    Safety • Label Locations Safety Label Locations: Non-Operator Side For the Safety of Yourself and Others DANGE R! DO NOT REMOVE THE DECALS FROM FLYING THIS MACHINE MATERIA L They Are Installed to Prevent Injuries 39511 -385 39511-320 Do Not Remove 39511-385 Danger! - Flying Material For the Safety of Yourself and Others DO NOT REMOVE...

  • Page 14: Safety Checkout Procedure

    Safety • Checkout Procedure Safety Checkout Procedure Be sure to check that you have the following items at the beginning of each session or when changing operators: Fuel and oil line connections are securely attached to the fittings and there is no sign of fluid leakage. Tubes and hoses are in good condition. Emergency equipment on work site: Filler caps and drain plugs are securely attached to the machine.

  • Page 15: Lockout Procedure

    Safety • Lockout Procedure Lockout Procedure This machine has been designed so that lockout can be done quickly and WARNING! easily. The steps to lockout the machine are as follows: Moving parts can crush, cause severe injury or death. Always lockout the 1.
  • Page 16 Safety • Lockout Procedure Morbark chippers are custom built to customer specifications. Control panels, power configurations, and other features may differ from each • When two or more employees work on the same equipment, each machine. It is the responsibility of each employer/owner to develop and person is responsible for attaching his/her own lock.

  • Page 17: Crime Prevention

    Safety • Crime Prevention Crime Prevention It has been proven that thieves are hesitant to take items that can be readily identified. Placing signs, decals, and other visible information warning potential • Secure all openings to the storage buildings. thieves that this equipment has been marked and registered with the local law Parking Outdoors enforcement officials may help prevent a possible theft.

  • Page 18: Features And Functions

    Features and Functions Section 2 The Basics: Operator Side ....... . . 2.2 The Basics: Non-Operator Side .

  • Page 19: The Basics: Operator Side

    Features and Function • The Basics The Basics: Operator Side Figure 1 Hydraulic oil tank Muffler Engine control panel Valve bank manifold Grinder arm and control levers assembly SWING SPEED MANUAL BREAK BYPASS PROPEL SPEED RPM x 100 MANUAL BREAK TACH RELEASE HOURS...
  • Page 20 Features and Function • The Basics Hydraulic oil tank Fuel tank Is the compartment where the hydraulic oil is stored and refilled. Is the compartment where the fuel is stored and refilled. Use only diesel fuel. Muffler Fuel gauge and filler cap Helps reduce engine noise.

  • Page 21: The Basics: Non-Operator Side

    Features and Function • The Basics The Basics: Non-Operator Side Figure 2 Hydrostatic Grinder wheel motor Air filter Diesel Hydraulic oil filter pump filter housing engine Hydrostatic pump Grinder wheel Dual Battery box Curtain clamp bar side deflects wheels Chip containment curtain 76340-807 •...

  • Page 22: Diesel Engine

    Features and Function • The Basics Grinder wheel motor Hydrostatic pump Provides power to the grinder wheel. Is the heart of the hydraulic oil flow system. Hydraulic oil flows from the tank to the grinder wheel motor, valve bank manifold and back to Hydrostatic pump filter the tank.
  • Page 23 Features and Function • Diesel Engine Diesel Engine Figure 3 RPM x 100 TACH HOURS WATER ALT. TEMP. PRESS. 76340-807 • 09-08...
  • Page 24 Features and Function • Diesel Engine Safety Function The diesel engine is the source of power for the machine. The use and WARNING! maintenance of the diesel engine will be explained on the following pages. Below is a list of important features to know: Loose clothing, long hair, dangling jewelery may get Muffler entangled in moving part and cause serious injury.
  • Page 25 Features and Function • Diesel Engine Figure 4 Do not engage the starter for more than DECREASE 10 seconds. Failure to follow these instructions can cause the starter motor to burn out. RPM x 100 Tachometer TACH 2. Adjust the throttle by moving the throttle INCREASE HOURS Hour meter...
  • Page 26 Features and Function • Diesel Engine Air Filter: A clean air filter is critical to machine performance and life. The Figure 5 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: Hydrostatic Pump

    Features and Function • Hydrostatic Pump Hydrostatic Pump Figure 8 Hydrostatic pump filter Transmission section Primary section Hoses leading to various parts of the machine Hydrostatic Pump: Operator Side Hydrostatic Pump: Non-Operator Side See Figure 10 for pump hose schematic 2.10 76340-807 •...
  • 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: Hydrostatic Pump Connections: Operator Side

    Features and Function • Hydrostatic Pump Hydrostatic Pump Connections: Operator Side Figure 10 RPM x 100 TACH HOURS WATER ALT. TEMP. PRESS. Manifold return Hydrostatic pump Hydrostatic pump Manifold in hose hose out from suction hose out return hose out out from side of from hydraulic tank from side of pump...

  • Page 30: Hydrostatic Pump Connections: Non-Operator Side

    Features and Function • Hydrostatic Pump Hydrostatic Pump Connections: Non-Operator Side Figure 11 Feeder hose out Case drain hose Return hose out Hydrostatic pump Pump inlet hose from side of out from side of from grinder wheel filter hoses go in and out from hydraulic pump to grinder pump to grinder...

  • Page 31: Hydraulic Oil And Diesel Fuel Tanks

    Features and Function • Hydraulic Oil and Diesel Fuel Tanks Hydraulic Oil and Diesel Fuel Tanks Figure 12 Hydraulic oil Hydraulic oil filler cap gauge Hydraulic tank Hydraulic oil gauge Hydraulic oil filter Hydraulic oil shutoff valves position Off position 2.14 76340-807 •...
  • Page 32 Features and Function • Hydraulic Oil and Diesel Fuel Tanks Safety On the top of the tanks are a gauge and filler cap. The gauges show you WARNING! the amount of oil, or fuel, that is in the tank. Before adding hydraulic oil, allow the machine to cool down.

  • Page 33: Valve Bank Controls

    Features and Function • Valve Bank Controls Valve Bank Controls Note: figure 20 (page 2.29) shows the valve bank controls and grinder arm interaction Move handle towards you Move handle towards you Top handles control the grinder arm Move handle towards to go forward.
  • Page 34 Features and Function • Valve Bank Controls The adjustable flow control valves are located on the front of the valve Safety bank. From left to right they are the manual brake bypass, grinder swing flow control manual brake release, , and propel (speed) flow control. WARNING! Use the manual brake bypass and manual brake release when you need to override the brake system.

  • Page 35: Grinder Arm

    Features and Function • Grinder Arm Grinder Arm Figure 15 Control handle Control handle in down position in right position Grinder arm in left position Grinder arm in up position HOURS 0 0 0 0 HOURS 0 0 0 0 Side View Overhead View Control handle...
  • Page 36 Features and Function • Grinder Arm Safety To control the rate of swing, adjust the grinder arm swing flow control knob. When the valve is completely open, the grinder arm swings quickly. WARNING! Turning the flow control knob to the left and starting at a slower speed is recommended.

  • Page 37: Grinder Wheel

    Features and Function • Grinder Wheel Grinder Wheel Figure 16 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 2.20 76340-807 •...
  • Page 38 Features and Function • Grinder Wheel 3. Set the throttle to high. Safety WARNING! 4. On the remote control, move the joystick towards Grinder Down. The grinder wheel will start as you lower the grinder arm The grinder wheel turns at high revolutions per minute 5.

  • Page 39: Grinder Wheel Drive Belt And Motor

    Features and Function • Grinder Wheel Drive Belt and Motor Grinder Wheel Drive Belt and Motor Figure 17 Grinder wheel drive belt motor Grinder wheel drive Grinder wheel belt belt guard bolts tension adjustment bolt Grinder wheel drive belt guard Grinder wheel drive belt Sprocket...
  • Page 40 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 41: Dual Wheels

    Features and Function • Dual Wheels Dual Wheels Figure 18 Wheel nut Mounting screw Mount hub Wheel bolt Spacer hub Original tire Second tire Cotter pin Castle nut Drive motor spindle 2.24 76340-807 • 09-08...
  • Page 42 Features and Function • Dual Wheels Safety Maintenance Check wing nut tightness before every use. Check tread wear and replace WARNING! tires if necessary. Regularly check tire pressure. Tires should be inflated to 32 pounds per square inch (psi). Under inflated tires may cause instability. The machine could tip over or move in an unexpected manner causing serious injury or death.

  • Page 43: Battery

    Features and Function • Battery Battery Figure 19 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 44: Optional Remote Control

    Features and Function • Optional Remote Control Remote Control Safety Moves grinder arm Shuts engine down WARNING! (Can be used up or down) up and down Push up and hold for Moves blade (plow) Moves grinder arm 4-5 secs to engage up and down When using the remote control always pay complete side to side...

  • Page 45: Optional Clic Dual Wheels

    Features and Function • Optional Clic Dual Wheels Clic Wheels 1-2 in. Coupling Cases Coupling Disk Bolts Connecting Cases Coupling Disks Adapting Nuts Adapting Bolts Wheel Lug Spacer Segments with Roundhead Bolts Clic Wheel Locking Lever Unlock Lock 2.28 76340-807 •...
  • Page 46 Features and Function • Optional Clic Dual Wheels Safety Note: The connecting cases have to be bolted on against the travel of the wheel. They are clearly marked left or right on the connectin case. WARNING! 5. Attach the coupling disks with the coupling disc bolts. Under inflated tires may cause instability.

  • Page 47: Optional Plow

    Features and Function • Optional Plow Plow Figure 21 Safety WARNING! Moves plow up and down Never put any part of your body underneath the plow during operation or maintenance. The plow may cause serious injury if body parts are caught underneath it. Cylinder SWING SPEED Function...

  • Page 48: Specifications

    Features and Function • Specifications Specifications SWING SPEED MANUAL BREAK BYPASS PROPEL SPEED RPM x 100 MANUAL BREAK TACH RELEASE HOURS WATER ALT. TEMP. PRESS. 64 ” 160” Tank Capacities General Power Options Cutter Wheel Diesel Fuel ..10 gal Length .
  • Page 49 2.32 76340-807 • 09-08...

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