Form No. 3390-595 Rev A MM-650E-S and MM-850E-S Mortar Mixer Model No. 68012C—Serial No. 315000001 and Up Model No. 68018C—Serial No. 315000001 and Up Model No. 68019C—Serial No. 315000001 and Up G020896 Register at www.Toro.com.
You may contact Toro directly at www.Toro.com for product and accessory information, help finding a dealer, or to register your product. WARNING CALIFORNIA Proposition 65 Warning This product contains a chemical or chemicals known to the State of California to cause cancer, birth defects, or reproductive harm. Use of this product may cause exposure to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Cleaning the Machine..............................................32 Storage ........................................................................33 Storing the Machine................................................33 Troubleshooting ...........................................................34 Schematics ...................................................................35 This manual uses 2 words to highlight information.
Safety Department of Transportation if in the U.S.) towing safety regulations, before towing the machine. • In order to reduce the possibility of an accident while transporting the machine on public roads, make sure the towing vehicle is mechanically sound and in good operating condition. • Shut down the engine before transporting the machine. • When towing with a ball hitch, ensure that the ball hitch you are using is the proper size for the hitch coupler on the machine.
– Hard hat Operation – Respirator or dust mask • Never run the machine in a poorly ventilated or enclosed area without proper respiratory protection. Dust from materials being mixed can be very harmful to operators and bystanders. – Face shield or safety glasses – Hearing protection – Safety shoes • Only operate the machine in good lighting conditions. – Long pants • Before starting the machine, make sure that there are no persons or obstacles near or under the machine.
Maintenance and Storage • Before performing maintenance, do the following: – Park the machine on level ground. – Stop the motor. Wait for all movement to stop before adjusting, cleaning, or repairing. – Let the motor cool before performing maintenance or storing the machine. – Unplug the machine before making any repairs. • Never lubricate, service, repair, or adjust the machine while it is running. • Keep equipment materials clear from the motor. • Never allow untrained personnel to service the machine.
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. 125–8175 1. Read the Operator’s Manual for information on greasing the machine. 127–1652 125–8216 1. Read the Operator’s Manual for information on how to tow the machine. 2. Warning—limit towing speed to less than 55 mph / 88 km/h. 7 1. Warning—read the Operator’s Manual. 3.
Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure 1 2 3 4 Description Use Qty. Dump handle Bolt Nut 1 2 2 Install the dump handle. Tow pole kit (sold separately) 1 Install the tow pole.
Note: If the self-locking nylon insert in the locknut wears with use, replace the nut with a new Grade 5 or Grade 8 locknut. 4. Install a nut onto each bolt, and tighten them by hand to prevent cross-threading. 5. Tighten the nuts with a wrench while using another wrench to keep the bolts from spinning.
2. Insert the connecting link through the chain link until the connecting link snaps closed. 2. Place the license plate holder onto the left lamp assembly and secure them to the left bracket using 2 nuts as shown in Figure 7. 3. Repeat steps 1 and 2 to install the other connecting link in the other end of the safety chain. Note: Place the terminal for the wiring harness on the outside prong of the wiring harness before securing the nut (Figure 7).
Installing the Front Light Assemblies Routing the Wiring Harness 1. Feed the smaller section of the wiring harness up through the horizontal post below the drum, as shown in Figure 11. 1. Secure the wiring harness to the rear of the machine using 2 cable clamps, 2 bolts, and 2 nuts as shown in Figure 9. 1 2 3 4 g027861 Figure 11 Figure 9 1. Bolt 2. Cable clamp 3. Nut 4. Wiring harness 2. Route the wiring harness along the left side of the frame as shown in Figure 10. 1.
Drum Latch Product Overview 3 1 2 The drum latch secures the drum to the mix position (upright) for mixing operations and when transporting the machine. 4 5 6 7 18 17 8 9 10 11 16 15 14 13 12 G020897 Figure 13 1 G019877 1. Rear cowl 2. Front cowl 3. Grate 4. Bag splitter 7. Clutch lever 8. Drum latch 9. Front post 10. Tow pole 13. Drum 14. Chute 15. Axle Figure 15 1. Drum latch 16. Wheel assembly 5. Dump handle 11. Lighting wiring 17. Light (2) harness 6. Grate lifter arm 12.
Motor Controls Rotate the On/Off switch to the On position to start and run the motor. Rotate the On/Off switch to the Off position to stop the motor. The following motor controls are found on all models: 1 3 Figure 17 1. Thermal-overload protector reset button 3. Power cord 2. On/Off switch g020669 Motor On/Off Switch Figure 18 The On/Off switch (Figure 18) allows the operator of the machine to start and stop the motor. This switch is located on the front of the motor.
Checking the Tires and Wheels Operation Service Interval: Before each use or daily—Inspect the tires and wheels. Important: Before operating, remove any debris from the machine. Ensure that the area is clear of people. WARNING Preparing to Tow the Machine Failure to maintain correct tire pressure may result in tire failure and loss of control, resulting in property damage and serious injury or death. Important: Ensure that your tow vehicle has towing capacity for the weight of the machine.
Hitching a Machine with a Stamped Ball Coupler (optional kit) the appropriate air pressure for the tires as installed at the factory. Important: Always check the information on the actual tires for the correct air pressure requirement. 1. Apply chassis grease to the socket of the coupler and the area of the clamp that contacts the ball. 2. Oil the pivot points and sliding surfaces of the coupler with SAE 30 motor oil. Important: The most common cause of tire trouble is under-inflation.
Hitching a Machine with a Pintle Hitch Coupler (optional kit) Note: Stow the excess chain inside the bottom of the front post by pushing it into the keyholes and latching the appropriate links into the keyhole slots. 1. Remove the pin from the pintle hitch and open it (Figure 24). 2. Cross both lengths of chain under the tow pole. Note: Crossing the chains decreases the chances of the front of the machine dropping to the ground if the hitch does not hold the connection. 2 1 3 G021 177 Figure 25 1.
Adjusting the Axle Width Connecting the Lighting Wire Harness Connect the electrical plug of the machine with the electrical plug of the tow vehicle as shown in Figure 27. WARNING Mechanical or hydraulic jacks may fail to support the machine and cause serious injury. Use jack stands when supporting the machine. 1. Align a jack with an adequate lift height and weight capacity under the axle; refer to Specifications (page 13). G020828 Figure 27 2. Lift the machine until the tires are off the ground.
• Ensure that all guards are in place and in good condition. • Slide each side of the axle inward to the narrow position (Figure 29). • Ensure that the paddles are in place and in good • Slide each side of the axle outward to the wide condition. (tow) position (Figure 29). • Check all the grease fittings to ensure that the machine 6. Align the holes of the inner axle with the holes of the outer axle. is properly lubricated. • When preparing to mix material: 7.
Opening and Closing the Cowl Powering the Machine Opening the Cowl Connecting to a Power Source 1. At the side of the machine where the front cowl and rear cowl meet, grasp the latch and pull it off from the latch anchor on the rear cowl (Figure 30). A DANGER Contact with water while operating the product could cause electric shock, causing injury or death. B • Do not handle the plug or the machine with wet hands or while standing in water.
Powering the Machine with a Portable Generator 4. On the side of the junction box for the motor, press the reset button for the thermal-overload protector (Figure 31). When using a portable generator as an electrical source, ensure that it meets the following power-output specifications: Model Voltage Amperes Kilowatts Frequency/ Phase 68012C 115 V / 230 V 19 A / 9.5 A 2.2 to 2.3 kW 60 Hz / single 68018C 115 V / 230 V 19 A / 9.5 A 2.2 to 2.
Using the Clutch Lever Mixing a Batch of Material in the Machine Move the clutch lever clockwise to engage the clutch, and counterclockwise to disengage the clutch (Figure 32). 1. Ensure that there is no old, loose material in the drum that can contaminate the batch of material; refer to Cleaning the Drum (page 22) and Dumping the Drum (page 22), then return the drum to the upright position. Note: Ensure that the drum is in the mix position (upright) and the drum latch is engaged. 2.
Using the Drum 6. After discharging a batch of material, clean the drum; refer to Cleaning the Drum (page 22). DANGER Note: This step will clean the paddles and drum between batches and prevent dried material from forming, and contaminating the next batch of material. Contact with the mixing paddles could cause damage or injury. Never put your hands inside the drum at any time.
3. Loosen the nuts and bolts that secure the paddle blades to the paddles (Figure 36). Note: If necessary, tip the drum to the dump position to access the paddles. 1 2 G022160 Figure 36 4. Move the paddle blades to the preferred position, and tighten the nuts and bolts to secure the blades to the paddles. Note: Ensure that the clutch lever is in the Off position, and rotate the paddles as needed. 5.
Maintenance Important: Before performing any maintenance procedures, first stop the motor, wait 5 minutes to allow all moving parts to come to a complete stop and cool, and unplug the power cord. Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 10 hours • Check the tension of the drive chain, and adjust it as needed. After the first 25 hours • Inspect the belts and adjust as necessary. Before each use or daily • Inspect the tires and wheels.
Lubrication Installing the Divider Plate 1. Guide the divider plate into position against the front cowl. Lubricating the Bearings and Seals Note: Start with the divider plate rotated slightly counterclockwise, and then rotate it clockwise while lowering it into position. Ensure that the divider plate is not backward. Service Interval: After each use—Lubricate the trunnions. Monthly—Lubricate the pillow-block bearings.
2. Pump grease into each fitting as follows: • For the pillow-block bearings, pump 1 shot of grease into each fitting (Figure 39). 1 • For the trunnions, pump several shots of grease into each fitting until it starts to ooze out of the bearing housing (Figure 39). Important: Pump grease in slowly and carefully to prevent damage to the bearing seals. 3. Wipe up any excess grease. Lubricating the Motor Bearings G021584 Figure 41 Service Interval: Every 6,000 hours 1.
Belt Maintenance A. Move the clutch lever to the Off position; refer to Controlling the Paddles (page 20). Servicing the Belts B. Inspecting the Belts Loosen the nuts and bolts that secure the motor to the motor deck (Figure 43). 1 1 Service Interval: After the first 25 hours—Inspect the belts and adjust as necessary. Every 40 hours—Inspect the belts and adjust as necessary. 1. Remove the divider plate; refer to Removing the Divider Plate (page 24). 2.
3 2 1 1 2 G021601 Figure 45 1. Nut 4 5 6 7 2. Belt guide 4. Slip the forward belt forward and off the idler pulley (Figure 46). 8 g020663 Figure 44 1. Motor pulley 5. Idler shaft 2. Idler pulley 6. Jam nut 3. Belt 4. Belt guide 7. Setscrew 8. Straightedge 2 1 3 4 E. If needed, pivot the motor on the motor deck until the motor pulley and the idler pulley are aligned to the straightedge (Figure 44). F.
4. Slip the rear belt over the idler pulley and align the belt to the rear pulley groove. B. 5. Slip the forward belt over the motor pulley and align the belt to the forward pulley groove. Rotate the belt guide up or down until there is an air gap of 2.5 to 4.0 mm (3/32 to 5/32 inch) between the guide and each belt (Figure 47). 6. Check the belt tension; refer to step 1, step 2, and step 3 in Adjusting the Belt Tension (page 27).
Drive Chain Maintenance 2 1 Checking and Adjusting the Drive Chain Service Interval: After the first 10 hours Every 50 hours The drive chain should have 5 to 10 mm (7/32 to 13/32 inch) of flex when applying 6.8 kg (15 lb) of pressure at mid-span. Checking the Drive-chain Tension 1. Remove the divider plate; refer to Removing the Divider Plate (page 24). 3 4 5 6 2. Place a straightedge along the chain from 1 sprocket to the other (Figure 49). g020667 Figure 48 1. Motor pulley 4. Idler shaft 2.
1 Replacing the Light Bulbs 2 3 Replacing the Rear-facing Bulbs 4 Note: The left rear-facing bulb also illuminates license plate. 1. Use a screwdriver to remove the 4 screws from the large square lens on the light (Figure 52). G021602 Figure 50 1. Drive chain 3. Bolts (4) 2. Pillow-block bearings 4. Idler pulley 3. Slide the pillow-block bearings, along with the idler pulley and small sprocket, to the right to increase the chain tension, or to the left to decrease the chain tension.
Cleaning 2. Remove the lens (Figure 53). 3. Pull the bulb out of the socket (Figure 53). Cleaning the Machine 4. Push a new 168 bulb into the socket (Figure 53). 5. Install the lens and the 2 screws (Figure 53). Regular cleaning and washing will increase the life span of the machine. Clean the machine after each use, before the dirt hardens. Ensure that the motor is unplugged. Use care when using a high-pressure sprayer because it can damage warning decals, instruction signs, and the motor.
Storage Storing the Machine For storage over 30 days, prepare the machine as follows: 1. Move the On/Off switch to the Off position, and unplug the power cord. 2. Remove dirt and grime from the external parts of the entire machine, especially the motor. Important: You can wash the machine with mild detergent and water. 3. Grease the machine; refer to Lubricating the Bearings and Seals (page 25) and Lubricating the Drive Chain (page 26). 4. Check and tighten all bolts, nuts, and screws.
Troubleshooting Problem The electric motor will not start. Possible Cause Corrective Action 1. The connector for the machine is not plugged into a power source. 1. Plug the connector into a socket or an extension cord from an electrical source. 2. The thermal-overload protection for the motors is activated. 3. The current protector for the electrical source is open. 4. The machine is plugged into an electrical source less than 115 volts or greater than 230 volts. 5.
Schematics G021587 Electric Motor Schematic (Rev.
The Toro Warranty A limited warranty (see warranty periods below) Conditions and Products Covered The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly warrant your Toro Concrete, Masonry, and Compaction Equipment Products listed below to be free from defects in materials or workmanship. This warranty covers the cost of parts and labor, but you must pay transportation costs. for that part.
