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Toro 68021HD, Operator'S Manual

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Toro 68021HD Operator'S Manual Download Page 7

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

125-8175

1.

Read the

Operator’s Manual

for information on greasing

the machine.

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.

130-8322

1.

Only use 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.

7

 

Summary of Contents for 68021HD

Page 1: ...Form No 3404 698 Rev B MM 858H P Mortar Mixer Model No 68021HD Serial No 316000001 and Up Register at www Toro com Original Instructions EN 3404 698 B ...

Page 2: ...ing the US Environmental Protection Agency EPA and the California Emission Control Regulation of emission systems maintenance and warranty Replacements may be ordered through the engine manufacturer Introduction This machine is designed to mix mortar plaster fireproofing material grout and other small grained Portland cement products A vehicle equipped with an appropriate pintle hitch or ball hitc...

Page 3: ...ending the Axle 17 Towing the Machine 18 Preparing to Use the Machine 18 Opening and Closing the Cowl 18 Adding Fuel 19 Checking the Engine Oil Level 21 Starting and Shutting Off the Engine 21 Controlling the Paddles 22 Mixing the Material 23 Using the Drum 24 Adjusting the Paddle Blades 24 Maintenance 26 Recommended Maintenance Schedule s 26 Premaintenance Procedures 27 Preparing the Machine for ...

Page 4: ...operator The owner user can prevent and is responsible for accidents or injuries to people or damage to property Towing Check with your local county or state 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 that the towing vehicle is mechanically sound and in good operating condition Shut ...

Page 5: ...ure that the tires are properly inflated as recommended Ensure that the lug nuts are tight and torqued properly Ensure that the machine is properly secured Operation Never run an engine in an enclosed or poorly ventilated area Only operate the machine in good lighting conditions Before starting the machine make sure that there are no persons or obstacles near or under the machine Shut off the engi...

Page 6: ...rvice the machine Keep 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 and inspect the machine if a foreign object enters the drum or causes another obstruction Make any nec...

Page 7: ...175 1 Read the Operator s Manual for information on greasing the machine 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 130 8322 1 Only use 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 f...

Page 8: ...he belt drive crushing hazard of hand entanglement hazard of hand at the shaft keep hands away from moving parts keep all guards and shields in place 5 Explosion hazard shut off the engine and keep away from flames when refueling 3 Entanglement hazard at paddles shut off the engine and wait for all moving parts to stop before performing maintenance 8 ...

Page 9: ...procedure 1 Dump handle 2 Bolt 2 Nut Installing the Dump Handle to the Drum 1 Cut the cable ties to remove the dump handle from the underside of the grate 2 Position the dump handle so that the bolt holes align with the bolt holes in the drum Figure 3 G022150 Figure 3 3 Insert the 2 bolts through the bolt holes in the dump handle and the drum Figure 3 4 Install a nut onto each bolt and tighten the...

Page 10: ...w 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 3 Installin...

Page 11: ...Chute 4 Bag splitter 9 Safety chain keyhole 14 Cowl latch 5 Dump handle 10 Drum latch Controls 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 7 G019875 1 Figure 7 Belt drive models 1 Clutch lever 11 ...

Page 12: ... 10 1 Fuel valve 3 Throttle lever 2 Choke lever Choke Lever Use the choke lever Figure 10 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 Throttle Lever The throttle lever Figure 10 c...

Page 13: ...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 to tow the machine options include a 50 mm 2 inch ball hitch or a pintle hitch Note If the machine is equipped with a trailer light kit ensure that the electrical connector of the tow vehicle ...

Page 14: ...pect the tires for damage and wear Figure 13 and Figure 14 G020836 Figure 13 1 Example of tire wear caused by underinflation Figure 14 1 Example of tire wear caused by overinflation 2 Ensure that the tires are inflated to a maximum of 241 kPa 35 psi Important Always check the information on the actual tires for the correct air pressure requirement Important The most common cause of tire trouble is...

Page 15: ...ug of the machine Hitching a Machine with a Forged Ball Coupler 1 Apply removable thread locking compound to the threads of the coupler bolt to prevent the coupler handle from coming loose Important Apply thread locking compound as needed in the future 2 Apply chassis grease to the socket of the coupler and the area of the clamp that contacts the ball 3 Install hitch the machine as shown in Figure...

Page 16: ...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 1 2 3 G021177 Figure 19 1 Connecting links 3 Chain crossed under tow pole 2 Keyholes in front post 3 Connect each length of chain to the safety chain mounting point on the tow vehicle with the connecting links Figure 20 Important Ensure that the chain has...

Page 17: ...o 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 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 G020019 1 Figure 21 1 Support point 2 4 Remove the bolts and nuts...

Page 18: ...udden starts and stops while towing the machine Preparing to Use the Machine Review all of the safety decals on the machine Use a hard hat hearing protection a shirt with long sleeves that are tight at the wrists tight fitting gloves without drawstrings or loose cuffs eye protection and a dust mask or respirator A mesh visor alone does not provide sufficient eye protection supplement with protecti...

Page 19: ... full Add fuel to the fuel tank until the level is 6 to 13 mm 1 4 to 1 2 inch below the bottom of the filler neck This empty space in the tank allows fuel to expand Never smoke when handling fuel and stay away from an open flame or where fuel fumes may be ignited by a spark Store fuel in an approved container and keep it out of the reach of children Never buy more than a 30 day supply of fuel Do n...

Page 20: ...e fuel system which causes hard starting Important Do not use fuel additives containing methanol or ethanol Add the correct amount of fuel stabilizer conditioner to the fuel Note A fuel stabilizer conditioner is most effective when mixed with fresh fuel To minimize the chance of varnish deposits in the fuel system use fuel stabilizer at all times Filling the Fuel Tank Capacity 5 3 L 1 4 US gallons...

Page 21: ...he way toward the MAX position Figure 27 G019815 1 2 3 Figure 27 1 Choke lever 3 Throttle lever 2 Fuel valve 2 Move the lever of the fuel valve to the ON position all the way to the right Figure 27 3 Position the choke lever as follows To start a cold engine move the choke lever to the CLOSED position all the way to the left Figure 27 To start a warm engine move the choke lever in the OPEN positio...

Page 22: ... before stopping 1 Ensure that the choke lever is in the OFF position Figure 27 2 Move the throttle lever to the MIN position Figure 27 3 Rotate the engine switch to the OFF position 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...

Page 23: ... Cleaning the Drum page 24 and Dumping the Drum page 24 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 Move the clutch lever to the OFF position 3 Start the engine Note Allow the engine to warm up at 2 3 throttle for 1 to 2 minutes 4 Set the throttle lever on the engine to the MAX position 5 Move the clutch leve...

Page 24: ...clockwise until the drum latch locks the drum in the upright position Figure 31 6 After discharging a batch of material clean the drum refer to Cleaning the Drum page 24 Note This step cleans the paddles and drum between batches and prevents dried material from forming and contaminating the next batch of material Cleaning the Drum Important Do not strike on the drum with a shovel hammer or any oth...

Page 25: ...metal paddle blades so that the outer edge is 3 to 6 mm 1 8 to 1 4 inch from the outer edge of the wipers Figure 34 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 Figure 34 1 Wiper 4 Paddle blade 2 3 to 6 mm 1 8 to 1 4 inch 5 Carriage bolt 3 Wiper bar 6 Install the grate with the nuts and bolt...

Page 26: ...0 to 90 ft lb after towing Clean the drum between mixing batches of material Lubricate the trunnions Every 40 hours Inspect the belts and adjust as necessary Check the clutch operation Every 50 hours Clean the air cleaner elements Clean them more frequently in dusty operating conditions Every 100 hours Change the engine oil Check the spark plug Clean the spark arrester Clean the fuel sediment cup ...

Page 27: ...vider Plate 1 Unlatch and open the cowl refer to Opening the Cowl page 18 2 Use a wrench to remove the 4 bolts that secure the divider plate to the front cowl Note Retain the bolts for installing the divider plate G020752 Figure 36 3 To remove the divider plate lift it upward and rotate it counterclockwise so that it clears various engine components Installing the Divider Plate 1 Guide the divider...

Page 28: ...h grease fitting with a rag and lift the plastic cap off the grease fitting Figure 38 1 2 3 G020684 1 2 3 G020685 Figure 38 1 Pillow block bearings 3 Front trunnion 2 Rear trunnion 2 Pump grease into each fitting as follows For the pillow block bearings pump 1 shot of grease into each fitting Figure 38 For the trunnions pump several shots of grease into each fitting until it starts to ooze out of ...

Page 29: ...he Spark Plug Wire page 27 3 Remove the nut that secures the cover Figure 39 G020216 1 2 3 4 5 6 Figure 39 1 Cover nut 4 Foam element 2 Cover 5 Paper element 3 Wing nut 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 Figure 39 6 Remove the foam element from the paper element Figure 39 7 Inspect the f...

Page 30: ...gine oil that meets or exceeds the requirements for API service category SJ SL SM or higher Crankcase Capacity 1 1 L 1 2 US qt Important If the oil level in the crankcase is too low or too high and you run the engine you may damage the engine This type of damage is not covered by the warranty Note Use SAE 10W 30 for general use You can use the other viscosities shown in the chart when the average ...

Page 31: ... of the used oil at a certified recycling center 6 Remove the dipstick Figure 43 and slowly pour oil into the fill hole until the oil reaches the upper limit mark bottom edge of the oil fill hole on the dipstick 1 2 3 4 G019746 Figure 43 1 Oil fill hole 3 Oil level upper limit 2 Dipstick 4 Oil level lower limit 7 Replace and secure the dipstick 8 Wipe up any spilled oil Servicing the Spark Plug Se...

Page 32: ...to 0 7 to 0 8 mm 0 028 to 0 031 inch B A g027479 Figure 46 Installing the Spark Plug Important Ensure that the gap between the side and center electrodes is correct before installing the spark plug 1 Thread the spark plug clockwise into the spark plug hole by hand Note Avoid cross threading the spark plug with the threads of the spark plug hole 2 Rotate the spark plug clockwise using a 21 mm 13 16...

Page 33: ...ctor Figure 47 5 Remove the screw 4 mm from the spark arrester and remove the spark arrester from the muffler Figure 47 6 Use a brush to carefully remove carbon deposits from the spark arrester screen Figure 48 Note Replace the spark arrester if it has breaks or holes 1 2 G019332 Figure 48 1 Screen 2 Brush 7 Install the spark arrester muffler protector exhaust deflector and muffler in the reverse ...

Page 34: ...engine deck to the rear frame of the machine Note The drive pulley on the engine must align forward 2 Align the pivot on the engine deck with the forward hinge bracket Figure 51 3 Slide the engine deck forward and the pivot into the forward hinge bracket Figure 51 4 Align the rear hinge bracket with the pivot on the engine deck hinge Figure 51 5 Lift up on the rear edge of the engine deck and slip...

Page 35: ...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 52 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 ...

Page 36: ... to the ON position 2 Measure the air gap between the engine deck and the roller on the clutch Figure 55 G019976 1 2 3 Figure 55 1 Engine deck 3 Clutch air gap 2 5 to 6 5 mm 3 32 to 1 4 inch 2 Clutch roller 3 If the measured air gap is not within the specified range adjust the gap as follows A Move the clutch lever to the OFF position B Loosen the nuts and bolts that secure the engine to the engin...

Page 37: ...ward belt forward and off the idler pulley Figure 59 2 3 4 1 G020012 Figure 59 1 Engine pulley 3 Idler pulley 2 Forward belt 4 Rear belt 5 Slip the rear belt rearward and off the idler pulley Figure 59 6 Slip the belts off the engine pulley 7 Remove the belts from the machine Installing the Belts 1 Ensure that the clutch lever is in the OFF position 2 Align the rear belt to the rear groove in the ...

Page 38: ... the belts with the clutch lever in the ON position Note If the air gap between the belt guide and both belts cannot be attained then one of the belts is too long C Tighten the bolt that secures the belt guide to the engine Figure 60 D Check the clutch operation refer to Checking the Clutch Operation page 38 5 Install the divider plate refer to Installing the Divider Plate page 27 Checking the Clu...

Page 39: ...lley are aligned to the straight edge Figure 61 D Tighten the setscrews and locknuts that secure the idler pulley to the idler shaft Figure 61 4 Install the divider plate refer to Installing the Divider Plate page 27 Cleaning Cleaning the Machine 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 harden...

Page 40: ... the engine and run it until it stops E Choke the engine F Start and run the engine until it does not start again 3 Clean the sediment cup refer to Cleaning the Fuel Sediment Cup page 35 4 Service the air cleaner refer to Servicing the Air Cleaner page 29 5 Change the engine crankcase oil refer to Changing the Engine Oil page 31 6 Remove the spark plug and check the condition refer to Removing the...

Page 41: ...lter element s 2 The engine contains bad old fuel 2 Drain the fuel tank and carburetor Refuel with fresh gasoline 3 There is water or contamination in the fuel 3 Drain the fuel tank and carburetor Refuel with fresh gasoline 4 The fuel line is restricted 4 Clean the fuel filter and sediment cup 5 The choke is closed 5 Open the choke 6 The spark plug is worn or has buildup on the electrodes 6 Check ...

Page 42: ...Notes 42 ...

Page 43: ...Notes 43 ...

Page 44: ...m failure to perform required maintenance and or adjustments Product failures which result from operating the Product in an abusive negligent or reckless manner Parts subject to consumption through use unless found to be defective Examples of parts which are consumed or used up during normal product operation include but are not limited to belts wipers spark plugs tires filters gaskets wear plates...

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