CM-658H-S Concrete Mixer

Check with your local county or state towing safety regulations before towing the machine.

• To reduce the possibility of an accident while transporting the machine on public roads, ensure that the towing vehicle is mechanically sound and in good operating condition.

• Shut off 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.

• When towing with a pintle hitch, ensure that the eye of the tow pole is the correct dimension for the pintle hook.

• Do not tow without the safety pin inserted into the top of the receiver.

• Inspect the hitch and coupling for wear. Never tow the machine with damaged or defective hitches, couplings, chains, or other components.

• Check the tire air pressure on the towing vehicle and the machine.

• Check the tire tread and sidewall for damage and wear.

• Properly attach the safety chains to the towing vehicle.

• Ensure that the directional and brake lights are working properly (if the machine is equipped with the light kit).

• Ensure that the directional, backup, and brake lights of the tow vehicle are working properly (if equipped).

• Before towing, ensure that your machine is correctly and securely attached to the towing vehicle.

• Ensure that the safety chains are properly secured to the vehicle, and leave enough slack for turning.

• Do not carry any material in the machine when towing.

• Avoid sudden stops and starts. This can cause skidding, or jackknifing. Smooth, gradual starts and stops will improve 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).

• Use caution when backing up; use a spotter outside the vehicle to guide you.

• Do not allow anyone to sit or ride on the machine.

• Disconnect the machine from the tow vehicle before using it.

• Secure the machine from movement before you tow it.

• Place chock blocks underneath the tires to prevent them from rolling while the machine is parked.

Become familiar with the safe operation of the equipment, operator controls, and safety signs.

• Use only accessories and attachments approved by the manufacturer.

• Wear personal protective equipment (PPE) and appropriate clothing, including the following:

  • Hard hat

  • Respirator or dust mask

  • Face shield

  • Safety glasses

  • Hearing protection

  • Substantial, slip-resistant footwear

  • Long pants

  • Shirt with long sleeves that are tight at the wrists

  • Tight-fitting gloves without drawstrings or loose cuffs

• Secure loose clothing, tie back long hair, and do not wear loose jewelry.

• Operating the equipment safely requires the full attention of the operator. Do not wear radio or music headphones while operating the machine.

• Use extra care when handling fuels. They are flammable and the vapors are explosive. Use the following practices when handling fuel:

  • Use only an approved fuel container.

  • Never remove the fuel cap or add fuel with the engine running.

  • Allow the engine to cool before refueling.

  • Do not smoke.

  • Never refuel or drain the machine indoors.

  • Install the fuel cap and tighten it securely.

  • Keep the container nozzle in contact with the tank during filling.

  • Never fill a container while it is inside a vehicle, trunk, pickup bed, or any surface other than the ground.

  • Never store the machine or fuel container inside where there is an open flame, such as near a water heater or furnace.

  • If you spill fuel, wipe it off the engine and equipment.

• Ensure that the machine is on a level surface before operating the machine.

• Chock the tires of the machine to prevent unintended movement.

• Before every use, do the following:

  • Inspect the coupler, ball, and hitch.

  • Ensure that all lights are functioning properly (if equipped).

  • Ensure that the tires are properly inflated as recommended.

  • Ensure that the wheel lug nuts are tight and torqued properly.

  • Ensure that the machine is properly secured.

• Never run the engine in an enclosed or poorly ventilated area.

• Operate the machine only in good lighting conditions.

• Before starting the machine, ensure that there are no persons or obstacles near or under the machine.

• Shut off the engine before leaving the machine for any reason.

  Never leave a running machine unattended. Always shut off the engine and verify that all moving parts have stopped.

• Chock the tires of the machine or keep it attached to the towing vehicle when it is not in use, to prevent it from rolling.

• Avoid prolonged breathing of exhaust fumes. Engine exhaust fumes can cause sickness or death.

• Keep your hands away from any moving parts. Keep your feet away from the tires and the front post.

• Do not operate the machine while ill, tired, or under the influence of alcohol or drugs.

• Ensure that the area is clear of other people or pets before operating the machine. Stop the machine if anyone enters the area.

• Never place your hands or any solid object into the drum when the machine is in operation.

• Do not touch parts which may be hot from operation. Allow them to cool before attempting to maintain, adjust, or service the machine.

• Never move the machine while the engine is running.

• Keep the cowl closed and latched during operation.

• Ensure that all the guards and shields are securely in place before operating the machine.

• If the mixing paddles strike a foreign object or if the machine should start making an unusual noise or vibration, shut off the engine and empty the drum. Wait for all moving parts to come to a complete stop and cool. Vibration is generally a warning of trouble. Inspect for clogging or damage. Clean and repair and/or replace damaged parts.

• Do not change the engine governor setting or overspeed the engine.

• Lightning can cause severe injury or death. If you see lightning or hear thunder in the area, do not operate the machine; seek shelter.

• Before performing maintenance, do the following:

  • Park the machine on a level surface.

  • Shut off the engine. Wait for all movement to stop and remove the spark plug wire before adjusting, cleaning, or repairing.

  • Allow the engine to cool before performing maintenance or storing.

  • Disengage all power and operation controls before making any repairs.

• Never lubricate, service, repair, or adjust the machine while it is running.

• Keep equipment materials clear from the muffler and engine to help prevent fires. Wipe up any spilled oil or fuel.

• Never allow untrained personnel to service the machine.

• Keep your hands, feet, and clothing away from moving parts. If possible, do not make adjustments with the engine running.

• Keep all parts in good working condition and all hardware tightened. Replace all worn or damaged decals.

• Remove any buildup of grease, oil, or debris from the machine.

• Stop the machine, shut off the engine, and inspect the machine if a foreign object enters the drum or causes another obstruction. Make any necessary repairs before starting the machine.

• Do not tamper with safety devices.

• Secure the machine from movement and chock the tires when storing the machine.

• Keep all nuts, bolts, screws, and hose clamps securely tightened. Keep the machine in good condition.

• Use only genuine Toro replacement parts to ensure that the original standards are maintained.

Purchase the tow pole kit (including fasteners) that meets your needs from your Authorized Service Dealer. The machine has the following tow pole options:

1. Remove the bolt and nut from the tow pole (Figure 4).

   

   Figure 4

   1. Tow pole
   2. Front post
   3. Bolt
   4. Bolt hole
   5. Frame fitting
   6. Nut

2. Slide the tow pole forward and align the hole in the pole with the hole in the frame fitting (Figure 4).

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 locknut wears with use, replace the nut with a new Grade 5 or Grade 8 locknut.

The fuel valve (Figure 13) is located underneath the choke lever. Move the lever for the fuel valve to the ON position before attempting to start the engine. When you have finished mixing, shut off the engine and move the fuel-valve lever to the OFF position.

Figure 13

1. Fuel valve
2. Choke lever
3. Throttle lever

Use the choke lever (Figure 13) to start a cold engine. Before pulling the recoil-start handle, move the choke lever to the CLOSED position. Once the engine is running, move the choke lever to the OPEN position. Do not use the choke if the engine is already warmed up or if the air temperature is high.

The throttle lever (Figure 13) controls the speed (rpm) of the engine. It is located next to the choke lever. It sets the engine speed and therefore can increase and decrease the rotation speed of the mixing paddles. For best performance, set this control to the FAST position when mixing material.

The On/Off switch is located on the front of the engine.

• Rotate it to the ON position to start and run the engine.

• Rotate it to the OFF position to shut off the engine.

Figure 14

1. OFF position
2. ON position

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.

The oil-level switch is located inside the engine, and it does not allow the engine to run in the event the oil level is below the safe operating limit.

Before connecting the machine to your tow vehicle, ensure that your vehicle is prepared as follows:

• Ensure that your tow vehicle has towing capacity for the weight of the machine; refer to Specifications.

• Use a Class 2 or larger receiver.

• Ensure that your tow vehicle has the appropriate hitch to tow the machine; options include a 50 mm (2 inch) ball hitch or a pintle hitch.

• If the machine is equipped with a trailer-light kit, ensure that the electrical connector of the tow vehicle is compatible with the electrical connector of the machine. The machine uses a standard 4-pin, flat plug. If your tow vehicle has a different type of plug, obtain an adapter from an automotive parts store.

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).

   

   Figure 16

   1. Drum pointing down
   2. Drum-tilt brake engaged
   3. Tow pole bolted in place

4. Lock the drum into position by pushing down the drum-tilt-brake handle (Figure 17).

   

   Figure 17

   Drum-Tilt Brake

   1. Unlocked position
   2. Locked position

5. Close the engine cowl and secure the cowl latches (Figure 18).

   

   Figure 18

6. Inspect the tires; refer to Inspecting the Tires.

End-dump models have a front stabilizer leg and 2 rear stabilizer legs.

Raise the stabilizer legs before towing the machine.

1. Adjust the machine so that there is no weight resting on the rear stabilizer legs.

2. Pull the clevis pin out from 1 of the rear stabilizer legs and the bracket (Figure 19).

   

   Figure 19

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).

   

   Figure 20

   1. Remove the clevis pin.
   2. Rotate the stabilizer leg up.
   3. Install the clevis pin.

8. Rotate the front stabilizer leg up into the tongue (Figure 20).

9. Push the clevis pin through the rearward hole in the tongue and the front stabilizer leg (Figure 20).

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

• Forged-ball coupler—Hitching a Forged-Ball Coupler

• Pintle-hitch coupler—Hitching a Pintle-Hitch Coupler

• Pin-hitch coupler—Hitching a Pin-Hitch Coupler

Hitching a Pintle-Hitch Coupler

Figure 23

Hitching a Pin-Hitch Coupler

Figure 24

Note: Use a 19 mm (3/4 inch) or 22 mm (7/8 inch) hitch pin.

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. For end-dump models, refer to Figure 26.

   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.

   

   Figure 25

   Side-Dump Models

   1. Connecting links
   2. Keyholes in front post
   3. Chain crossed under tow pole
   

   Figure 26

   End-Dump Models

   1. Connecting links
   2. Keyholes
   3. Chain crossed under tongue
   4. Chain

3. Connect each length of chain to the safety chain mounting point on the tow vehicle with the connecting links (Figure 27).

   Important: Ensure that the chain has enough slack for turning around corners when towing the machine.

   Note: For side-dump models, 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.

   Note: For end-dump models, connect the connecting links to the appropriate links in the safety chain (Figure 27). If the excess chain hangs too low and touches the ground, connect it again to the connecting link to raise it away from the ground.

   

   Figure 27

   1. Connecting link
   2. Safety chain mounting point on tow vehicle
   3. Chain link
   4. Chain

1. Connect the electrical plug of the machine with the electrical plug of the tow vehicle (Figure 28).

   

   Figure 28

   Note: The machine uses a standard 4-pin, flat plug. If your tow vehicle has a different type of plug, obtain an adapter from an automotive parts store.

2. Ensure that the tow vehicle is in the NEUTRAL position, engage the parking brake, and start the engine.

3. Test the lights as follows:

   1. Turn on the headlights of the tow vehicle.

      The tail lights of the machine should illuminate.

   2. Press the brake pedal of the tow vehicle.

      The brake lights of the machine should illuminate.

   3. Operate each turn signal of the tow vehicle in turn.

      The corresponding turn-signal lights of the machine should illuminate.

• For best results, use only clean, fresh (less than 30 days old), unleaded gasoline with an octane rating of 87 or higher ((R+M)/2 rating method).

• Ethanol: Gasoline with up to 10% ethanol (gasohol) or 15% MTBE (methyl tertiary butyl ether) by volume is acceptable. Ethanol and MTBE are not the same. Gasoline with 15% ethanol (E15) by volume is not approved for use. Never use gasoline that contains more than 10% ethanol by volume, such as E15 (contains 15% ethanol), E20 (contains 20% ethanol), or E85 (contains up to 85% ethanol). Using unapproved gasoline may cause performance problems and/or engine damage which may not be covered under warranty.

• Do not use gasoline containing methanol.

• Do not store fuel either in the fuel tank or in fuel containers over the winter unless you use a fuel stabilizer.

• Do not add oil to gasoline.

Important: To reduce starting problems, add fuel stabilizer to the fuel all season, mixing it with fuel less than 30 days old; run the machine dry before storing it for more than 30 days.Do not use fuel additives other than a fuel stabilizer/conditioner. Do not use fuel stabilizers with an alcohol base such as ethanol, methanol, or isopropanol.

5.3 L (1.4 US gallons)

1. Park the machine on a level surface, shut off the engine, and allow the engine to cool.

2. Clean around the fuel cap and remove it (Figure 33).

   

   Figure 33

   1. Fuel cap

3. Add fuel to the fuel tank until the level is at the maximum fuel level (Figure 34).

   Important: This space in the tank allows fuel to expand. Do not fill the fuel tank completely full.

   

   Figure 34

   1. Maximum fuel level

4. Install the fuel cap securely (Figure 33).

5. Wipe up any spilled fuel.

Note: Follow the manufacturer’s instructions that are printed on the packaging of the product that you are using.

Concrete has the following 4 basic ingredients:

• Sand

• Gravel

• Portland cement

• Water

Depending on the application, you can use different ratios of these 4 ingredients. The typical ratio for mixing concrete is 1 part Portland cement, 2 parts sand, and 3 parts gravel.

There are many variations of concrete mix recipes, depending on the application. It is important to use the appropriate quantity of water. Using too little water results in dry areas in the mix, but using too much water results in weaker concrete. The amount of water needed varies depending on moisture content of the sand and gravel. The mix should have a thickness similar to peanut butter.

Keep the poured concrete damp for several days to obtain proper curing. Evaporation results in weaker concrete. Concrete cures through hydration, a reaction between water and cement.

1. Read all the recommendations from Safe Operating Practices before using the machine.

2. Ensure that the machine is on level ground and the surrounding area is clear of obstacles.

3. Remove the machine from the tow vehicle.

4. Secure the machine from movement.

5. Use the handwheel to move the drum into an upright, slightly tilted position to allow access for pouring materials into the drum.

   Note: This position also allows the mixing paddles to mix the materials more effectively.

6. Push the drum-tilt brake down to lock the drum into position and avoid accidentally dumping the material.

7. Start the engine. Allow the engine to warm up at idle for 2 minutes; refer to Starting the Engine.

   Important: If you need to shut off the machine quickly, use the engine switch/speed-control handle (as equipped) located on the cowl; refer to Engine Switch.

8. Use the engine throttle lever/speed-control handle (as equipped), to control the speed of the engine and drum.

9. Close the engine cowl.

Important: Do not add more material than the batch capacity for your specific machine model; refer to Specifications.

1. Ensure that the tilt brake is fully engaged and that the drum is operating at full speed.

2. Pour water into the drum.

3. Add the concrete ingredients as follows:

   • If you are using pre-mixed concrete, add the required amount of dry pre-mix.

   • If you are mixing sand, gravel, and cement, add them as follows:

     1. Add the required amount of gravel.

        Note: Adding water and gravel before cement and sand allows the mix left in the drum from the previous batch to be tumbled off the drum and paddles and into the next batch.

     2. Add the required amount of Portland cement.

     3. Add the required amount of sand.

4. Allow the drum to turn while the mix reaches the appropriate consistency.

1. Shut off the engine and allow it to cool completely.

2. Park the machine on a level surface.

3. Remove the machine from the tow vehicle.

4. Secure the machine from movement.

5. Disconnect the spark-plug wire.

Pull the spark-plug wire off the terminal of the spark plug (Figure 38).

Figure 38

1. Spark plug

If your model has a divider plate, you may need to remove it before performing some maintenance procedures:

1. Open the cowl.

2. Use a wrench to remove the 4 bolts that secure the divider plate to the front cowl.

   Note: Retain the fasteners for installing the divider plate.

   

   Figure 39

3. To remove the divider plate, lift it upward and tilt it back so that it clears various components.

When finished performing maintenance, install the divider plate as follows:

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.

   

   Figure 40

2. Align the bolt holes in the divider plate and the front cowl.

3. Install each of the 4 bolts and hand-tighten them to prevent cross-threading.

4. Tighten the bolts with a wrench until they are secure.

Grease Type: No. 2 lithium grease.

1. Complete the procedures listed in Preparing the Machine for Maintenance.

2. Clean around each grease fitting with a rag and lift the plastic cap off the grease fitting (Figure 41).

3. Use a grease gun to lubricate the grease fittings of both trunnions and the drum spindle with No. 2 lithium grease (Figure 41).

4. Wipe up any excess grease.

Figure 41

Important: Do not lubricate the pinion gear and ring gear. Lubrication causes them to collect abrasive materials and accelerate wear.

Important: Do not operate the engine without the air-filter assembly; extreme engine damage will occur.

1. Shut off the engine and wait for all moving parts to stop.

2. Disconnect the wire from the spark plug; refer to Disconnecting the Spark-Plug Wire.

3. Remove the nut that secures the cover ().

   

   Figure 42

   1. Cover nut
   2. Cover
   3. Wing nut
   4. Foam element
   5. Paper element
   6. Base

4. Remove the cover.

   Note: Be careful to prevent dirt and debris from falling into the base.

5. Remove the foam and paper elements from the base ().

6. Remove the foam element from the paper element ().

7. Inspect the foam and paper elements and replace them if they are damaged or excessively dirty.

   Note: Never try to brush dirt off the paper element; brushing forces the dirt into the fibers.

8. Clean the foam element in warm, soapy water or in a nonflammable solvent.

   Note: Do not use fuel to clean the foam element because it could create a risk of fire or explosion.

9. Rinse and dry the foam element thoroughly.

10. 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. Securely install the cover with the nut.

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.

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.

4. Remove the divider plate (if equipped); refer to Removing the Divider Plate.

5. Remove the 2 nuts (8 mm) and remove the muffler from the cylinder (Figure 49).

   

   Figure 49

   1. Deflector (if applicable)
   2. Protector
   3. Screw (6 mm)
   4. Muffler
   5. Exhaust pipe
   6. Nut (8 mm)
   7. Gasket
   8. Bolt (8 mm)
   9. Spark arrester
   10. Screws (5 mm)
   11. Exhaust port
   12. Screw (4 mm)

6. Remove the 3 screws (4 mm) from the exhaust deflector, and remove the deflector (Figure 49).

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. Use a brush to carefully remove carbon deposits from the spark-arrester screen (Figure 50).

   Note: Replace the spark arrester if it has breaks or holes.

   

   Figure 50

   1. Screen
   2. Brush

10. Install the spark arrester, muffler protector, exhaust deflector, and muffler in the reverse order of disassembly.

11. Install the divider plate (if equipped); refer to Installing the Divider Plate.

Underneath the fuel valve is a sediment cup to catch dirt in the fuel.

1. Park the machine on a level surface and shut off the engine.

2. Ensure that the engine and the exhaust system surfaces are cool.

3. Move the lever of the fuel valve to the OFF position, all the way to the left (Figure 51).

4. Unscrew the sediment cup (Figure 51).

5. Remove and retain the fuel filter and O-ring (Figure 51).

   Note: Do not clean the O-ring in solvent.

   

   Figure 51

   1. Fuel valve—Off position
   2. O-ring
   3. Fuel filter
   4. Sediment cup

6. Clean the fuel filter and sediment cup using a nonflammable solvent, and dry it carefully.

7. Wipe the O-ring with a clean, dry cloth.

8. Install the fuel filter in the bottom of the carburetor (Figure 51).

9. Align the O-ring in to the groove in the sediment cup and install the sediment cup to the fuel-valve housing.

10. Move the lever of the fuel valve to the ON position (all the way to the right) and check for leaks. If it leaks, replace the O-ring.

The following table shows 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.

The DOT tire information is located on the side of each tire. This information gives load and speed ratings. Replacement tires should have the same or better ratings

Note: Ensure that any tires installed on your machine meet or exceed the weight requirements of your machine as listed in Specifications.

1. Visually inspect the tires for damage and wear (Figure 52 and Figure 53).

   

   Figure 52

   1. Example of tire wear caused by underinflation
   

   Figure 53

   1. Example of tire wear caused by overinflation

2. Ensure that the tires are inflated to the correct air pressure; refer to Tire Air Pressure.

   Important: The most common cause of tire trouble is under-inflation. Maintain full air pressure.

Torque the wheel lug nuts initially and after towing.

Torque the wheel lug nuts 108 to 122 N∙m (80 to 90 ft-lb), in the sequence shown in Figure 54.

Figure 54

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 55).

Figure 55

Drive Belts

1. Flex of 1 cm (13/32 inch)
2. Straightedge

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.

4. Remove the divider plate; refer to Removing the Divider Plate.

5. Lay a straightedge along 1 drive belt, from 1 pulley to the other (Figure 55).

6. With your finger, push on the belt with 6.8 kg (15 lb) of pressure, midway between the pulleys (Figure 55).

7. Measure the distance from the belt to the straightedge. The distance should be approximately 1 cm (13/32 inch) as shown in Figure 55.

   Note: If the belt tension needs adjustment, refer to Adjusting the Drive-belt Tension.

8. Install the divider plate; refer to Installing the Divider Plate.

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.

4. Remove the divider plate; refer to Removing the Divider Plate.

5. Loosen the 4 nuts and bolts that secure the engine to the engine mounting plate (Figure 56).

   

   Figure 56

   1. Engine-mounting nuts and bolts (4 each)

6. Slide the engine left to increase tension on the drive belt or right to decrease tension.

7. Check the drive-belt tension; refer to Checking the Drive-Belt Tension.

   Note: When the belts have the appropriate amount of tension, torque the 4 nuts and bolts to 24 N∙m (18 ft-lb) each.

8. Install the divider plate; refer to Installing the Divider Plate.

Note: The machine has 2 drive belts. Remember to buy 2 belts for replacement.

1. Complete steps 1 through 5 in Adjusting the Drive-belt Tension.

2. Slide the engine to the right to decrease the belt tension.

3. Remove the drive belts from the pulleys.

4. Install the new drive belts on the pulleys.

5. Slide the engine to the left until the belts have the correct tension; refer to Adjusting the Drive-belt Tension.

6. Torque the 4 mounting nuts and bolts to 24 N∙m (18 ft-lb) each (Figure 56).

7. Install the divider plate; refer to Installing the Divider Plate.

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.

Remove dirt and grime from the external parts of the entire machine, especially the engine. Clean dirt and concrete materials from the outside of the engine.

Ensure that the fuel cap and the oil-fill cap/dipstick are secure to avoid getting water in the engine.

Use care when using a high-pressure sprayer because it can damage the safety decals, instruction signs, and the engine.

Important: Lubricate the bearings and seals after cleaning; refer to Lubricating the Machine.