Form No. 3421-311 Rev A CM-658H-S Concrete Mixer Model No. 68004C—Serial No. 402000000 and Up Model No. 68006C—Serial No. 402000000 and Up Model No. 68007C—Serial No. 402000000 and Up Register at www.Toro.com.
It is a violation of California Public Resource Code Section 4442 or 4443 to use or operate the engine on any forest-covered, brush-covered, or grass-covered land unless the engine is equipped with a spark arrester, as defined in Section 4442, maintained in effective working order or the engine is constructed, equipped, and maintained for the prevention of fire. Dealer or Toro Customer Service and have the model and serial numbers of your product ready.
Installing the Divider Plate ................................ 29 Lubrication .......................................................... 30 Lubricating the Machine.................................... 30 Engine Maintenance ........................................... 30 Servicing the Air Cleaner .................................. 30 Servicing the Engine Oil.................................... 31 Servicing the Spark Plug................................... 33 Cleaning the Spark Arrester..........................
Safety • Read and understand the contents of this Operator’s Manual before you start the engine. Ensure that everyone using this product knows how to use it and understands the warnings. Improper use or maintenance by the operator or owner can result in injury. To reduce the potential for injury, comply with these safety instructions and always pay attention to the safety-alert symbol (Figure 3), which means: Caution, Warning, or Danger—personal safety instruction.
• Do not carry any material in the machine when • • • • • • • – Ensure that the lug nuts are tight and torqued properly. – Ensure that the machine is properly secured. towing. Avoid sudden stops and starts. This can cause skidding or jackknifing. Smooth, gradual starts and stops improves towing. Avoid sharp turns to prevent rolling. Tow only with a vehicle that has a hitch designed for towing. Do not attach towed equipment except at the hitch point. Do not tow the machine faster than 88 km/h (55 mph).
• Ensure that all the guards and shields are securely in place before operating the machine. • If the mixing paddles strike an object or if the machine starts making an unusual noise or vibration, shut off the engine, wait for all moving parts to stop, and empty the drum. Inspect for clogging or damage. Clean, repair, and/or replace any damaged parts. • Do not change the engine governor setting or overspeed the engine. • Do not operate the machine when there is the risk of lightning.
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 missing. decal125-4940 125-4940 1. Warning 3. Engine—shut off 2. Engine—run decal125-8175 decal125-4939 125-8175 125-4939 1. Warning—read the Operator’s Manual. 4. Toxic gas inhalation hazard—Do not run the engine in an enclosed space. 2.
decal130-8322 130-8322 1. Use only fuel with an alcohol content by volume under 10%. 3. Do not use fuel with an alcohol content by volume greater than 10%. 2. Read the Operator's Manual for more information on fuel. decal125-8216 125-8216 1. Read the Operator’s Manual for information on how to tow the machine. 2. Warning—limit towing speed to less than 88 km/h (55 mph). decal132-4041 132-4041 1. Read the Operator's Manual for more information on servicing the machine.
decal132-4042 132-4042 1. Read the Operator's Manual for more information on servicing the machine.
Setup 1 3. Insert the bolt through the holes in the fitting and the pole (Figure 4). 4. Thread the nut onto the bolt and tighten them until they are tight against the frame fitting (Figure 4). Note: If the self-locking nylon insert in the Installing the Tow Pole locknut wears with use, replace the nut with a new Grade 5 or Grade 8 locknut.
5. Align the top rear hole in the front stabilizer leg to the hole past the handle in the front of the tongue (Figure 7). 6. Install the long bolt through the holes and secure it with a nut torqued to 102 N∙m (75 ft-lb); refer to Figure 7. Note: The stabilizer leg pivots rearward on the bolt. If you install the bolt into the wrong hole, the stabilizer leg will not work properly. g021091 7. Figure 5 Insert the clevis pin to lock the front stabilizer leg in position (Figure 7). 1. Support points 3.
Product Overview g035474 Figure 9 End-Dump Models Note: Ensure that approximately equal lengths of g020832 safety chain extend from either side of the front post. Figure 10 Models 68004C, 68006C, and 68009C 1. Engine cowl 6. Tow pole 2. Engine switch 7. Safety-chain keyholes 3. Drum 4. Handwheel 5. Lighting wire harness 12 8. Drum-tilt brake 9. Rubber latch 10.
Controls Become familiar with all the controls before you start the engine and operate the machine. Engine Switch When the engine switch on the cowl is in the RUN position, it allows the engine to run. Moving the engine switch to the STOP position shuts off the engine. Engine Controls g019744 Figure 12 g020833 1. Recoil-start handle Figure 11 Models 68007C and 68008C 1. Tongue-mounted tow coupler 8. Drum-tilt brake 2. Safety-chain keyholes 9. Clevis pin 3. Rubber latch 10.
g021103 Figure 14 1. OFF position 2. ON position Recoil-Start Handle g018792 To start the engine, pull the recoil-start handle (Figure 12) quickly to turn the engine over. The engine controls described above must all be set correctly for the engine to start. Figure 13 1. Fuel valve 2. Choke lever 3. Throttle lever Oil-Level Switch Choke Lever The oil-level switch is located inside the engine, and it does not allow the engine to run when the oil level is below the safe operating limit.
Specifications Note: Specifications and design are subject to change without notice. Model 68004 68006 68007 68008 68009 Batch Capacity 0.17 m3 (6.0 ft3) 0.255 m3 (9.0 ft3) 0.255 m3 (9.0 ft3) 0.255 m3 (9.0 ft3) 0.255 m3 (9.0 ft3) Total Volume 0.255 m3 (9.0 ft3) 0.43 m3 (15.1 ft3) 0.43 m3 (15.1 ft3) 0.43 m3 (15.1 ft3) 0.43 m3 (15.
Towing the Machine Preparing the Machine for Towing Before towing the machine, read all the information and perform all the applicable procedures to in this section to ensure safe and proper towing. 1. Shut-off the engine and fuel valve. 2. Empty the drum. 3. Using the handwheel, position the drum so that it is pointing down toward the ground (Figure 16). WARNING Towing the machine at high speed increases the risk of a hitch malfunction and tire failure.
3. Slide the stabilizer leg up in the bracket and align the pin hole of the bracket with the lower hole in the stabilizer leg (Figure 19). 4. Push the clevis pin through the hole in the bracket and the stabilizer leg (Figure 19). 5. Repeat steps 1 through 4 for the other rear stabilizer leg. 6. Lift upward on the tongue so that there is no weight resting on the front stabilizer leg. 7. Pull the clevis pin out from the front stabilizer leg and the tongue (Figure 20). g019741 Figure 18 6.
Hitching the Machine to a Tow Vehicle Your machine is equipped with 1 of the following hitch types; hitch it as described in the appropriate procedure: • Stamped-ball coupler— Hitching a Stamped-Ball Coupler (page 18) • Forged-ball coupler— Hitching a Forged-Ball Coupler (page 18) • Pintle-hitch coupler— Hitching a Pintle-Hitch Coupler (page 19) • Pin-hitch coupler— Hitching a Pin-Hitch Coupler (page 19) Hitching a Stamped-Ball Coupler 1.
Hitching a Pin-Hitch Coupler g035115 Figure 22 g035116 Figure 24 Note: Use a wrench to keep the bolt from spinning. Note: Use a 19 mm (3/4 inch) or 22 mm (7/8 inch) hitch pin. Hitching a Pintle-Hitch Coupler Connecting the Safety Chains to the Tow Vehicle 1. Pull the safety chain through the slots in the keyholes, so that the lengths on each side are equal. 2. Cross both lengths of chain under the tow pole (under the tongue for end-dump models). For side-dump models, refer to Figure 25.
it again to the connecting link to raise it away from the ground. g021177 Figure 25 Side-Dump Models 1. Connecting links g019927 Figure 27 3. Chain crossed under tow pole 2. Keyholes in front post 1. Connecting link 3. Chain link 2. Safety chain mounting point on tow vehicle 4. Chain Connecting and Checking the Lights Machines Equipped with a Light Kit Only 1. Connect the electrical plug of the machine with the electrical plug of the tow vehicle (Figure 28).
C. Operate each turn signal of the tow vehicle in turn. The corresponding turn-signal lights of the machine should illuminate. Preparing to Use the Machine 1. 2. 3. 4. 5. 6. Park the machine on a level surface and disconnect the machine from the tow vehicle. Ensure that all guards and paddles are in place and in good condition. Perform all daily maintenance procedures prescribed in Maintenance (page 28). Chock the front and back of the tires to prevent the machine from moving.
Closing the Cowl Opening and Closing the Cowl Opening the Cowl g035135 Figure 32 Adding Fuel g035134 Figure 31 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 tanks outdoors, in an open area, when the engine is cold. Wipe up any fuel that spills. • Never fill the fuel tanks inside an enclosed trailer.
• Do not use gasoline containing methanol. DANGER • Do not store fuel either in the fuel tank or in fuel In certain conditions during fueling, static electricity can be released, causing a spark that can ignite the fuel vapors. A fire or explosion from fuel can burn you and others and can damage property. • Always place fuel containers on the ground away from your vehicle before filling.
Starting the Engine 1. Ensure that the clutch lever is in the OFF position. 2. Move the fuel valve to the OPEN position, all the way to the right (Figure 35). g020679 Figure 34 1. Maximum fuel level g019815 Figure 35 4. Install the fuel cap securely (Figure 33). 5. Wipe up any spilled fuel. 1. Choke lever 2. Fuel valve 3. Performing Daily Maintenance 3. Throttle lever Move the choke lever to the ON position (Figure 35). Note: A warm or hot engine may not require choking.
6. Mixing the Material Pull the starter handle lightly until you feel resistance, then pull the handle briskly (Figure 37). Return the starter handle gently. Concrete Basics DANGER Eye and skin contact with concrete materials and breathing the dust involved is hazardous to your health. • Ensure that there is adequate air ventilation. • Wear a dust mask to prevent inhalation of dust while using the machine; refer to Safe Operating Practices (page 4).
Preparing to Mix Mixing Concrete Important: Do not add more material than the DANGER batch capacity for your specific machine model; refer to Specifications (page 15). This machine is capable of amputating hands. • Keep all bystanders a safe distance away from the machine. 1. Ensure that the tilt brake is fully engaged and that the drum is operating at full speed. • Stop the machine immediately if any people or animals enter the work area. 2. Pour water into the drum. 3.
Cleaning the Drum Important: Do not strike on the drum with a shovel, hammer, or any other device to loosen any accumulated dried materials. 1. While the machine is running, use the handwheel to tilt the drum slightly. 2. Engage the drum-tilt brake to prevent the drum from tilting further and discharging the water. 3. As the drum is rotating, spray it thoroughly with water before the material dries. 4.
Maintenance WARNING Failure to properly maintain the machine could result in premature failure of machine systems causing possible harm to you or bystanders. Keep the machine well maintained and in good working order as indicated in these instructions. Important: Refer to your engine owner's manual for additional maintenance procedures. Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 25 hours • Change the engine oil.
Installing the Divider Plate Disconnecting the Spark-Plug Wire When finished performing maintenance, install the divider plate as follows: Pull the spark-plug wire off the terminal of the spark plug (Figure 38). 1. Guide the divider plate into position against the front cowl. Note: Start with the divider plate tilted slightly back, then tilt it forward while lowering it into position. g019281 Figure 38 1. Spark plug g021102 Figure 40 Removing the Divider Plate 2.
Lubrication Engine Maintenance Lubricating the Machine Servicing the Air Cleaner Service Interval: Monthly—Grease the trunnions and the drum spindle. 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. Grease Type: No. 2 lithium grease. 1. Complete the procedures listed in Preparing the Machine for Maintenance (page 28). 2.
9. 10. Rinse and dry the foam element thoroughly. Dip the foam element in clean engine oil, then squeeze out the excess oil. Note: Excess oil in the foam element restricts the air flow through the element and may reach the paper filter and clog it. 11. Wipe dirt from the base and the cover with a moist rag. Note: Be careful to prevent dirt and debris from entering the air duct leading to the carburetor. 12. Install the air-cleaner elements and ensure that they are properly positioned. 13.
Checking the Engine-Oil Level WARNING Oil may be hot after the engine has been run, and contact with hot oil can cause severe personal injury. Service Interval: Before each use or daily 1. Park the machine on a level surface and shut off the engine. 2. Allow the engine to cool. 3. Disconnect the wire from the spark plug; refer to Disconnecting the Spark-Plug Wire (page 29). 4. Clean around the dipstick. 5. Check the oil level as shown in Figure 44.
8. Wipe up any spilled oil. Servicing the Spark Plug Service Interval: Every 100 hours/Every 6 months (whichever comes first)—Check the spark plug. Every 300 hours/Yearly (whichever comes first)—Replace the spark plug. Spark Plug Specifications Type: NGK BPR6ES or equivalent g019749 Figure 47 Gap: 0.7 to 0.8 mm (0.028 to 0.031 inch) Note: Use a 21 mm (13/16 inch) spark-plug wrench for removing and installing the spark plug. Checking the Spark Plug Removing the Spark Plug 1.
Installing the Spark Plug Cleaning the Spark Arrester Important: Ensure that the gap between the side Service Interval: Every 100 hours and center electrodes is correct before installing the spark plug. 1. Note: A spark arrester is available as an option. If you require a spark arrester, contact your Authorized Service Dealer. Genuine Toro spark arresters are approved by the USDA Forestry Service. Thread the spark plug clockwise into the spark-plug hole by hand.
7. Remove the screws (5 mm and 6 mm) from the muffler protector, and remove the muffler protector (Figure 49). 8. Remove the screws (4 mm) from the spark arrester, and remove the spark arrester from the muffler (Figure 49). 9. Drive System Maintenance Tire Air Pressure Use a brush to carefully remove carbon deposits from the spark-arrester screen (Figure 50). The following table shows the appropriate air pressure for the tires as installed at the factory.
Belt Maintenance Checking the Drive-Belt Tension Service Interval: Every 20 hours—Check the drive-belt tension and adjust it as necessary. Replace the drive belts if they show any signs of wear, cracks, glazing, or damage. g020836 Figure 51 1. Example of tire wear caused by underinflation The drive belts should each have 1 cm (13/32 inch) of flex when applying 6.8 kg (15 lb) of pressure, at mid-span (Figure 54). g010293 Figure 52 1. Example of tire wear caused by overinflation 2.
4. Remove the divider plate; refer to Removing the Divider Plate (page 29). 5. Lay a straightedge along 1 drive belt, from 1 pulley to the other (Figure 54). 6. 7. 7. Note: When the belts have the appropriate amount of tension, torque the 4 nuts and bolts to 24 N∙m (18 ft-lb) each. With your finger, push on the belt with 6.8 kg (15 lb) of pressure, midway between the pulleys (Figure 54). 8. Measure the distance from the belt to the straightedge.
Replacing the Light Bulbs Replacing the Side-facing Bulbs 1. Replacing the Rear-facing Side Bulbs Use a screwdriver to remove the 2 screws from the small rectangular lens on the side of the light (Figure 57). 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 56). g020830 Figure 57 g020829 Figure 56 2. Remove the lens (Figure 56). 3.
Replacing the Center Bulbs Cleaning Models 68007C and 68008C only Cleaning the Machine Note: Each center bulb is integrated into the lens. 1. Push 1 of the tabs over that holds the lens assembly in place, and pull the lens away from the rest of the center-light assembly (Figure 58). Regular cleaning and washing with mild detergent and water increases the life span of the machine. Clean the machine after each use before the dirt hardens.
Storage 8. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged. For storage over 30 days, prepare the machine as follows: 9. Paint all scratched or bare metal surfaces with paint available from your Authorized Service Dealer. 1. Remove dirt and grime from the external parts of the entire machine, especially the engine. Clean dirt and debris from the outside of the engine cylinder-head fins and blower housing.
Troubleshooting Problem The engine does not start. Possible Cause 1. The engine switch on the cowl is in the STOP position. 1. Press the engine switch to the RUN position. 2. The fuel valve is in the OFF position. 2. Move the fuel-valve lever to the ON position. 3. Close the choke when starting a cold engine. 4. Open the choke when starting a hot engine. 5. Turn the switch to the ON position. 3. The choke is open. 4. The choke is closed. 5. The engine On/Off switch is in the OFF position. 6.
Notes:
California Proposition 65 Warning Information What is this warning? You may see a product for sale that has a warning label like the following: WARNING: Cancer and Reproductive Harm—www.p65Warnings.ca.gov. What is Prop 65? Prop 65 applies to any company operating in California, selling products in California, or manufacturing products that may be sold in or brought into California.
