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Original Instructions (EN)
MM-858H-P Mortar Mixer
Model No. 68021HD—Serial No. 316000001 and Up
Form No. 3404-698 Rev B
*3404-698* B

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Summary of Contents for Toro MM-858H-P

  • Page 1 Form No. 3404-698 Rev B MM-858H-P Mortar Mixer Model No. 68021HD—Serial No. 316000001 and Up *3404-698* B Register at www.Toro.com. Original Instructions (EN)
  • Page 2 You may contact Toro directly at www.Toro.com for product WARNING safety and operation training materials, accessory information, help finding a dealer, or to register your product. CALIFORNIA Proposition 65 Warning Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Service Dealer or Toro...
  • Page 3: Table Of Contents

    Contents This manual uses 2 words to highlight information. Important calls attention to special mechanical information and Note emphasizes general information worthy of special Safety ................4 attention. Safe Operating Practices........... 4 Safety and Instructional Decals ......... 7 Tire Information Setup ................
  • Page 4: Safety

    Safety • Never let children or untrained people operate or service the equipment. Local regulations may restrict the age of the operator. Improperly using or maintaining the machine can result • The owner/user can prevent and is responsible for in injury. To reduce the potential for injury, comply with accidents or injuries to people or damage to property.
  • Page 5 Preparation – Ensure that the lug nuts are tight and torqued properly. Become familiar with the safe operation of the equipment, – Ensure that the machine is properly secured. operator controls, and safety signs. • Use only accessories and attachments approved by the Operation manufacturer.
  • Page 6 Secure the machine from movement when storing the machine. • Keep all nuts, bolts, screws, and hose clamps securely tightened. Keep equipment in good condition. • Use only genuine Toro replacement parts to ensure that the original standards are maintained.
  • Page 7: Safety And Instructional Decals

    Safety and Instructional Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or lost. 117-2718 130-8322 1. Only use fuel with an 3. Do not use fuel with an alcohol content by volume alcohol content by volume under 10%.
  • Page 8 125-4939 1. Warning—read the 4. Toxic gas inhalation Operator’s Manual. hazard—Don’t run the engine in an enclosed space. 2. Hand and arm 5. Explosion hazard—shut entanglement at the off the engine and keep belt drive; crushing hazard away from flames when of hand;...
  • Page 9: Setup

    Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description Qty. Dump handle Bolt Install the dump handle. Install the tow pole. Tow pole kit (sold separately) Safety chain Install the safety chain. Connecting link 3.
  • Page 10: Installing The Tow Pole

    Installing the Tow Pole Installing the Safety Chain Parts needed for this procedure: Parts needed for this procedure: Tow pole kit (sold separately) Safety chain Connecting link Procedure Procedure Note: The tow pole is purchased separately and includes the nut and bolt needed for installation. Form a hook on the end of a bendable piece of rod or stiff wire, (not included), and install the safety chain as shown in The machine has the following tow pole options:...
  • Page 11: Product Overview

    Controls Product Overview Become familiar with all the controls before you start the engine and operate the machine. Clutch Lever The clutch lever engages and disengages engine power to the paddles (Figure G019875 Figure 7 Belt-drive models Figure 6 1. Rear cowl 6.
  • Page 12 Drum Latch Fuel Valve The drum latch secures the drum to the mix position (upright) The fuel valve (Figure 10) is located underneath the choke for mixing operations and when transporting the machine. lever. Move the lever for the fuel valve to the O position before attempting to start the engine.
  • Page 13: Specifications

    Operation Preparing to Tow the Machine Important: Ensure that your tow vehicle has towing capacity for the weight of the machine. Important: Use a Class 2 or larger receiver. Note: Ensure that your tow vehicle has the appropriate hitch G021 103 Figure 11 to tow the machine;...
  • Page 14 Checking the Tires and Wheels 3. Ensure that the wheel lug nuts are torqued to 108 to 122 N∙m (80 to 90 ft-lb). Service Interval: Before each use or daily—Inspect the tires Note: Check the torque of the wheel lug nuts initially and wheels.
  • Page 15 Hitching a Machine with a Stamped Ball Hitching a Machine with a Forged Ball Coupler Coupler 1. Apply removable thread-locking compound to the 1. Apply chassis grease to the socket of the coupler and the area of the clamp that contacts the ball. threads of the coupler bolt to prevent the coupler handle from coming loose.
  • Page 16 Hitching a Machine with a Pintle Hitch Connecting the Safety Chains to the Coupler Tow Vehicle 1. Hitch the machine as shown in Figure 1. Pull the safety chain through the slots in the keyholes, so that the lengths on each side are equal. 2.
  • Page 17: Extending The Axle

    2. Lift the machine until the tires are off the ground. 3. Use a jack stand at each support point on the rear frame extension (Figure 21). G019927 Figure 20 1. Connecting link 3. Chain link 2. Safety chain mounting 4.
  • Page 18: Towing The Machine

    Towing the Machine Preparing to Use the Machine • Review all of the safety decals on the machine. WARNING • Use a hard-hat, hearing protection, a shirt with long sleeves that are tight at the wrists, tight-fitting gloves Towing the machine at high speed increases the without drawstrings or loose cuffs, eye protection, and risk of a hitch malfunction and tire failure.
  • Page 19: Adding Fuel

    Closing the Cowl DANGER In certain conditions, fuel is extremely flammable and highly explosive. A fire or explosion from fuel can burn you and others and can damage property. • Fill the fuel tank outdoors, in an open area, when the engine is cold. Wipe up any gasoline that spills.
  • Page 20 Filling the Fuel Tank WARNING Capacity: 5.3 L (1.4 US gallons) Fuel is harmful or fatal if swallowed. Long-term exposure to vapors can cause serious injury and 1. Park the machine on a level surface, shut off the engine, illness. and allow the engine to cool.
  • Page 21: Checking The Engine-Oil Level

    Starting and Shutting Off the Engine Starting the Engine 1. On the engine, move the throttle lever away from the position, 1/3 of the way toward the M position (Figure 27). G020679 Figure 26 1. Maximum fuel level 4. Install the fuel cap securely (Figure 25).
  • Page 22: Controlling The Paddles

    Controlling the Paddles DANGER This machine is capable of amputating hands. • Stay in the operator’s position while the machine is running. • Keep all bystanders a safe distance from the machine. • Stop the machine immediately if any people or animals enter the work area.
  • Page 23: Mixing The Material

    Mixing the Material Mixing a Batch of Material in the Machine DANGER 1. Ensure that there is no old, loose material in the drum that can contaminate the batch of material; refer to Eye and skin contact with concrete materials and Cleaning the Drum (page 24) Dumping the Drum breathing the dust involved is hazardous to your...
  • Page 24: Using The Drum

    Using the Drum Note: This step cleans the paddles and drum between batches and prevents dried material from forming and contaminating the next batch of material. DANGER Contact with the mixing paddles could cause Cleaning the Drum damage or injury. Important: Do not strike on the drum with a shovel, Never put your hands inside the drum while the hammer, or any other device to loosen any accumulated...
  • Page 25 4. Loosen the nuts and bolts that secure the paddle blades 6. Install the grate with the nuts and bolts that you to the paddles (Figure 33). removed in step and tighten the nuts and bolts until they are secure. Note: If necessary, tip the drum to the dump position to access the paddles.
  • Page 26: Maintenance

    Maintenance Important: Before performing any maintenance procedures, first shut off the engine, wait 5 minutes to allow all moving parts to come to a complete stop and cool, and disconnect the spark-plug wire. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval •...
  • Page 27: Premaintenance Procedures

    Premaintenance Procedures Preparing the Machine for Maintenance 1. Park the machine on a level surface. 2. Remove the machine from the tow vehicle. G020752 3. Secure the machine from movement. Figure 36 4. Open the rear cowl; refer to Opening the Cowl (page 18).
  • Page 28: Lubrication

    Lubrication 2. Pump grease into each fitting as follows: • For the pillow-block bearings, pump 1 shot of grease into each fitting (Figure 38). Lubricating the Bearings and • For the trunnions, pump several shots of grease Seals into each fitting until it starts to ooze out of the bearing housing (Figure 38).
  • Page 29: Engine Maintenance

    Engine Maintenance Servicing the Air Cleaner Service Interval: Before each use or daily—Inspect the air-cleaner elements. Every 50 hours—Clean the air-cleaner elements. Clean them more frequently in dusty operating conditions. Every 300 hours/Yearly (whichever comes first)—Replace the paper air-cleaner element. Replace it more frequently in dusty operating conditions.
  • Page 30: Servicing The Engine Oil

    13. Securely install the cover with the nut. Servicing the Engine Oil Toro Premium Engine Oil is available from your Authorized Toro Dealer. Important: Use 4-cycle engine oil that meets or exceeds the requirements for API service category SJ, SL, SM, or higher .
  • Page 31: Servicing The Spark Plug

    Changing the Engine Oil Service Interval: After the first 25 hours Every 100 hours WARNING Oil may be hot after the engine has been run, and contact with hot oil can cause severe personal injury. Avoid contacting the hot engine oil when you drain 1.
  • Page 32 Checking the Spark Plug Important: Do not clean the spark plug. Always replace the spark plug when it has: a black coating, worn electrodes, and oily film, or cracks. Note: If you see light brown or gray on the insulator, the engine is operating properly.
  • Page 33: Servicing The Spark Arrester

    Note: Replace the spark arrester if it has breaks or holes. Service Interval: Every 100 hours Note: A spark arrester is available as an option. If you require a spark arrester, contact your Authorized Toro Service Dealer. Genuine Toro spark arresters are approved by the USDA Forestry Service.
  • Page 34 Removing the Engine (page 33). 1. Engine deck 4. Frame 2. Pivot 5. Nut 7. Using a spring-removal tool (Toro Part No. 92-5771), 3. Rear hinge bracket 6. Bolt install the tension spring to the anchor bracket on the engine deck (Figure 49).
  • Page 35: Fuel System Maintenance

    Fuel System 10. Move the lever of the fuel valve to the O position (all the way to the right) and check for leaks. If it leaks, Maintenance replace the O-ring. Draining the Fuel Tank Cleaning the Fuel-Sediment 1. Remove the engine; refer to Removing the Engine (page 33).
  • Page 36: Belt Maintenance

    Belt Maintenance A. Move the clutch lever to the O position. B. Loosen the nuts and bolts that secure the engine to the engine deck (Figure 56). Servicing the Belts—Belt-drive Models Inspecting the Belts Service Interval: After the first 25 hours—Inspect the belts and adjust as necessary.
  • Page 37: Replacing The Belts-Belt-Drive Models

    E. If needed, pivot the engine on the engine deck until the engine pulley and the idler pulley are aligned to the straightedge (Figure 57). F. Tighten the nuts and bolts that secure the engine to the engine deck to a torque of 18 N∙m (13 ft-lb). G.
  • Page 38 Adjusting the Belt Guide Checking the Clutch Operation Note: To access the belt guide, remove the divider plate; Service Interval: Every 40 hours—Check the clutch refer to Removing the Divider Plate (page 27). operation Guide air gap: 2.5 to 4.0 mm (3/32 to 5/32 inch) Important: The paddles must not rotate in an empty drum when the clutch lever is in the O position.
  • Page 39: Aligning The Pulleys

    Aligning the Pulleys Cleaning 1. Remove the divider plate; refer to Removing the Divider Plate (page 27). Cleaning the Machine 2. Place a straightedge across the face of the engine pulley Regular cleaning and washing with mild detergent and water and the idler pulley (Figure 61).
  • Page 40: Storage

    10. Paint all scratched or bare metal surfaces with paint Storing the Machine available from your Authorized Toro Dealer. For storage over 30 days, prepare the machine as follows: 11. Store the machine in a clean, dry garage or storage area.
  • Page 41: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The engine does not start. 1. The fuel-valve lever is in the O 1. Move the fuel-valve lever to the O position. position. 2. The choke is closed 2. Open the choke when starting a hot engine.
  • Page 42 Notes:...
  • Page 43 Notes:...
  • Page 44 Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company. Australian Consumer Law: Australian customers will find details relating to the Australian Consumer Law either inside the box or at your local Toro Dealer.

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