Operator's Manual

ManualsBrandsToro ManualsSnow ThrowerToro 38644

FormNo.3362-558RevA

PowerMax

Snowthrowers

ModelNo.38624—SerialNo.310000001andUp

ModelNo.38634—SerialNo.310000001andUp

ModelNo.38644—SerialNo.310000001andUp

ModelNo.38654—SerialNo.310000001andUp

Operator'sManual

Introduction

Thissnowthrowerisintendedtobeusedby

residentialhomeownersorprofessional,hired

operators.Itisdesignedprimarilyforremoving

snowfrompavedsurfaces,suchasdriveways

andsidewalks,andothersurfacesfortrafcon

residentialorcommercialproperties.Itisnot

designedforremovingmaterialsotherthansnow,

norisamodelwithapivotingscraperdesignedfor

clearingoffgravelsurfaces.

Readthisinformationcarefullytolearnhowtooperate

andmaintainyourproductproperlyandtoavoidinjury

andproductdamage.Youareresponsibleforoperating

theproductproperlyandsafely.

YoumaycontactTorodirectlyatwww .Toro.comfor

productandaccessoryinformation,helpndinga

dealer,ortoregisteryourproduct.

Wheneveryouneedservice,genuineToroparts,or

additionalinformation,contactanAuthorizedService

DealerorToroCustomerServiceandhavethemodel

andserialnumbersofyourproductready.Figure1

identiesthelocationofthemodelandserialnumbers

ontheproduct.Writethenumbersinthespace

provided.

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhas

safetymessagesidentiedbythesafetyalertsymbol

(Figure2),whichsignalsahazardthatmaycauseserious

injuryordeathifyoudonotfollowtherecommended

precautions.

Figure2

1.Safetyalertsymbol

Thismanualuses2wordstohighlightinformation.

Importantcallsattentiontospecialmechanical

informationandNoteemphasizesgeneralinformation

worthyofspecialattention.

Warning

CALIFORNIA

Proposition65Warning

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

ThissparkignitionsystemcomplieswithCanadian

ICES-002.

Theenclosed

Engine Owner’ s Man ual

issupplied

forinformationregardingtheUSEnvironmental

ProtectionAgency(EPA)andtheCalifornia

EmissionControlRegulationofemissionsystems,

maintenance,andwarranty.Replacementsmaybe

orderedthroughtheenginemanufacturer.

8111LyndaleAvenueSouth

Bloomington,MN55420

Registeratwww.Toro.com.

OriginalInstructions(EN)

PrintedintheUSA

AllRightsReserved

Summary of content (32 pages)

PAGE 1
Form No. 3362-558 Rev A Power Max® Snowthrowers Model No. 38624—Serial No. 310000001 and Up Model No. 38634—Serial No. 310000001 and Up Model No. 38644—Serial No. 310000001 and Up Model No. 38654—Serial No. 310000001 and Up Operator's Manual Introduction Model No. This snowthrower is intended to be used by residential homeowners or professional, hired operators.
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Safety Caution: Improper use may result in loss of fingers, hands, or feet. Before Operating ? ? Read and understand the contents of this manual before operating the snowthrower Become familiar with all controls and know how to stop the engine quickly . . There is a high-speed impeller close to the opening. Operator 's Position The low-speed auger has a moving pinch point close to the opening. This snowthrower meets or exceeds the B71.
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• • • • – When practical, remove gas-powered equipment from the truck or trailer and refuel it on the ground. If this is not possible, then refuel such equipment on a trailer with a portable container, rather than from a gasoline dispenser nozzle. – Keep the nozzle in contact with the rim of the fuel tank or container opening at all times, until refueling is complete. Do not use a nozzle lock-open device. – Replace gasoline cap securely and wipe up spilled fuel.
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• Always refer to the Operator’s Manual for important details if the snow thrower is to be stored for an extended period. • Perform only those maintenance instructions described in this manual. Before performing any maintenance, service, or adjustment, stop the engine, remove the key, and disconnect the wire from the spark plug. If major repairs are ever needed, contact your Authorized Service Dealer. • Maintain or replace safety and instruction labels, as necessary.
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Safety and Instructional Decals Important: Safety and instruction decals are located near areas of potential danger. Replace damaged decals. 107-3040 1. Cutting dismemberment, impeller and cutting dismemberment, auger hazards—keep bystanders a safe distance from the snowthrower. 106-4525 Reorder part no. 112-6633 1. Fast 2. Forward speeds 3. Slow 4. Reverse speeds 112-6625 Reorder part no. 112-6629 1.
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112-6627 (Models 38634, 38644, and 38654) 1. Left turn control 3. Warning—read the Operator’s Manual. 5. Cutting/dismemberment 7. Auger/impeller hazard, impeller—keep drive—squeeze the lever to away from moving parts; engage; release the lever remove the ignition key and to disengage. read the instructions before servicing or performing maintenance. 6. Thrown object 8. Right turn control hazard—keep bystanders a safe distance from the snowthrower. 2. Traction drive—squeeze 4.
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Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure 1. 2. 3. 4. 5. 6. 7. 8. 9. Description Qty. Use Handle bolts Curved washers Locknuts 4 4 4 Install the upper handle. No parts required – Install the wheel clutch cable ends No parts required – Install the traction control linkage. Carriage bolts Locknuts 2 2 Install the chute control rod. Cable tie 1 Connect the wire to the headlight. No parts required – Fill the engine with oil.
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1. Installing the Upper Handle 4 Handle bolts 4 Curved washers 4 Locknuts 2. Installing the Wheel Clutch Cable Ends Procedure Models 38634, 38644, and 38654 only Procedure 1. Unwrap the cable ends from the lower handle (Figure 5). Note: Do not remove the rubber band on the cables until you have installed the upper handle. 1. Lift and rotate the upper handle and position it over the lower handle (Figure 3).
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3. Installing the Traction Control Linkage Procedure 1. Remove the hairpin cotter and washer from the lower end of the speed control rod and insert the lower end of the rod into the lower link arm so that the bent end of the speed control rod faces rearward (Figure 10). Figure 7 1. Cable clamp (2) Important: Ensure that the curved side of the cable clamp is against the handle and that the cable is routed below the clamp bolt.
PAGE 10
cap down (but do not move the Quick Stick) and rotate the discharge chute until they do. 3. Align the flattened back end of the long chute control rod with the flattened front end of the short rod that extends from the control panel so that they nest together (Figure 14). Figure 12 6. Lift up on the speed control rod and insert the trunnion into the hole in the speed selector lever (Figure 11).
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6. Filling the Engine with Oil Procedure Your snowthrower comes with oil in the engine crankcase. Note: Before starting the engine, check the oil level and add oil if necessary. Figure 16 1. Cable clip Use automotive detergent oil with an API service classification of SF, SG, SH, SJ, SL, or higher. Refer to your engine owner’s manual. 2. Deflector cable 7. Hold the blue trigger cap down and rotate the Quick Stick in a circle to ensure that the chute and deflector operate smoothly.
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9. Checking the Traction Drive Operation Procedure If the traction drive is not properly adjusted, the snowthrower may move in the direction opposite of what you intended, causing injury and/or property damage. Carefully check the traction drive and adjust it properly, if necessary. Figure 19 1. Start the engine; refer to Starting the Engine. 2. Move the speed selector to Position R1; refer to Operating the Speed Selector. 3. Squeeze the left hand (traction) lever to the hand-grip (Figure 20). 2.
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B. Disconnect the trunnion from the speed selector lever (Figure 11). C. Turn the trunnion upward (counterclockwise) on the speed control rod (Figure 11). D. Connect the trunnion to the speed selector lever (Figure 11). 7. If you made any adjustments, repeat this procedure until no adjustments are required.
PAGE 14
Fill the fuel tank with fresh unleaded regular gasoline from a major name-brand service station (Figure 24). Important: To reduce starting problems, add fuel stabilizer to the fuel all season, mixing it with gasoline less than 30 days old. Do not add oil to the gasoline. Figure 26 1. Ignition key 4. Firmly push in the primer with your thumb 2 times (15°F or -9°C or above) or 4 times (below 15°F or -9°C), holding the primer in for a second before releasing it each time (Figure 27). Figure 24 1.
PAGE 15
The electrical cord can become damaged, causing a shock or fire. Thoroughly inspect the electrical cord before using the snowthrower. If the cord is damaged, do not operated the snowthrower. Replace or repair the damaged cord immediately. Contact an Authorized Service Dealer for assistance. Figure 28 Important: To prevent damaging the electric starter, run it in short cycles (5 seconds maximum, then wait one minute before trying to start it again).
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2. Wait for all moving parts to stop before leaving the operating position. 3. Remove the ignition key. 4. Close the fuel shutoff valve by rotating it clockwise (Figure 32). Figure 33 2. To stop the traction drive, release the traction lever. Using the Wheel Clutch Levers Models 38634, 38644, and 38654 only Figure 32 The wheel clutch levers allow you to momentarily disengage the drive to one or both wheels with the traction drive lever still engaged.
PAGE 17
Operating the Auger/Impeller Drive 1. To engage the auger/ impeller drive, squeeze the right hand (auger/ impeller) lever to the handgrip (Figure 37). Figure 35 Momentarily squeezing and releasing the left or right wheel clutch lever also allows for steering adjustments to keep the snowthrower going in a straight line, especially in deep snow. Figure 37 Squeezing both wheel clutch levers simultaneously disengages the drive to both wheels.
PAGE 18
Operating the Quick Stick™ Moving the Chute Deflector Hold the blue trigger cap down to use the Quick Stick to move the discharge chute and the chute deflector. Release the trigger cap to lock the discharge chute and chute deflector into position (Figure 38). Hold the blue trigger cap down and move the Quick Stick forward to lower the chute deflector; move it rearward to raise the chute deflector (Figure 40).
PAGE 19
Engage the auger/impeller to clear any remaining snow from inside the housing. Rotate the Quick Stick to prevent it from freezing. Stop the engine, wait for all moving parts to stop, and remove all ice and snow from the snowthrower. • If the engine slows down under a load or the wheels slip, shift the snowthrower into a lower gear. • If the front of the snowthrower rides up, shift the snowthrower into a lower gear. If the front continues to ride up, lift up on the handles.
PAGE 20
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 2 hours • Inspect the traction cable and adjust it if necessary. • Inspect the auger/impeller cable and adjust it if necessary. After the first 5 hours • Change the engine oil. Before each use or daily • Check the engine oil level and add oil if necessary.
PAGE 21
Checking and Adjusting the Skids and Scraper Checking and Adjusting the Skids Service Interval: Yearly—Check the skids and the scraper and adjust them if necessary. Service Interval: Yearly—Check the skids and adjust them if necessary. All models except model 38654 Model 38654 only Check the skids and the scraper to ensure that the auger does not contact the paved or gravel surface. Adjust the skids and the scraper as needed to compensate for wear.
PAGE 22
set the skids far enough down to prevent the auger blades from contacting the ground. 2. Loosen or tighten the turnbuckle to adjust the pin until it is the proper gap from the front edge of the slot. Note: The pivoting scraper on the snowthrower is not recommended for use on gravel surfaces. But if you must use the snowthrower on a gravel surface, adjust the skids further down to prevent the pivoting scraper from picking up rocks. 3. Tighten the jam nut (Figure 46). 6.
PAGE 23
Checking the Auger Gearbox Oil Level Service Interval: Yearly—Check the auger gearbox oil and add oil if necessary. 1. Move the snowthrower to a level surface. 2. Clean the area around the pipe plug (Figure 50). Figure 48 1. Tab 2. 1/16 inch (1.5 mm) 4. If the auger/impeller cable is not properly adjusted, do the following steps: 5. Loosen the jam nut (Figure 49). Figure 50 3. Remove the pipe plug from the gearbox. 4. Check the oil level in the gearbox.
PAGE 24
Lubricating the Hex Shaft Service Interval: Yearly—Lubricate the hex shaft. Lightly lubricate the hex shaft yearly with automotive engine oil (Figure 53). Figure 51 1. Using SAE 30 at outdoor temperatures below 40°F (4°C) will result in hard starting. 2. Using 10W-30 at outdoor temperatures above 80°F (27°C) may result in increased oil consumption; therefore, check the oil level more frequently in these circumstances. Figure 53 1. Hex shaft 2. Aluminum friction plate 3.
PAGE 25
Replacing the Spark Plug Service Interval: Every 100 hours—Replace the spark plug. Use a Champion QC12YC or equivalent spark plug. Note: To access the spark plug, you must first remove the upper snow hood (Figure 55). Figure 56 3. Thumb screw 1. Spark-plug wire 2. Bracket Figure 55 1. Choke knob 2. Upper snow hood 5. Clean around the base of the spark plug (Figure 56). 3. Ignition key 4. Screw (2) 6. Remove and discard the old spark plug.
PAGE 26
Adjusting the Discharge Chute Latch Note: The latch is spring loaded and will naturally move into the teeth of the gear (Figure 60). 4. Remove any slack in the cable by pulling the cable conduit rearward. If the discharge chute does not lock into the desired position or does not unlock so that you can move it to another position, adjust the discharge chute latch. 1. Remove the fastener on the gear cover (Figure 58), lift the front of the cover up, and slide it back and out of the way. 5.
PAGE 27
Storage • Gasoline vapors can explode. • Do not store gasoline more than 30 days. Figure 63 • Do not store the snowthrower in an enclosure near an open flame. • Allow the engine to cool before storing it. 4. Insert a new bulb into the back of the headlight (Figure 64). Preparing the Snowthrower for Storage 1. On the last refueling of the year, add fuel stabilizer to fresh fuel as directed by the engine manufacturer. 2.
PAGE 28
areas before painting, and use a rust preventative to prevent the metal parts from rusting. 17. Tighten all loose screws, bolts, and locknuts. Repair or replace any damaged parts. 18. Cover the snowthrower and store it in a clean, dry place out of the reach of children. Allow the engine to cool before storing it in any enclosure. Removing the Snowthrower from Storage 1. Remove the spark plug and spin the engine rapidly using the starter to blow the excess oil from the cylinder. 2.
PAGE 29
Troubleshooting Problem Possible Cause Electric starter does not turn (electric-start models only) 1. The power cord is disconnected at the outlet or the snowthrower. 1. Connect the power cord to the outlet and/or the snowthrower. 2. The power cord is worn, corroded, or damaged. 3. The power outlet is not energized. 2. Replace the power cord. 1. The key is not in the ignition or is in the Stop position. 1. Insert the key into the ignition and turn it to the On position. 2.
PAGE 30
Problem Possible Cause Corrective Action 7. The auger/impeller drive belt is worn or broken. 7. Replace the auger/impeller drive belt; refer to www.Toro.com for servicing information or take the snowthrower to an Authorized Service Dealer. Discharge chute either does not lock into place or does not move 1. The discharge chute latch is not properly adjusted. 1. Adjust the discharge chute latch. Snowthrower does not properly clear the snow off the surface 1.
PAGE 31
Notes: 31
PAGE 32
The Toro Total Coverage Guarantee A Three-Year Limited Warranty (45 Day Limited Warranty for Commercial Use) Conditions and Products Covered Power Max Two-Stage Snowthrowers Owner Responsibilities The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to repair the Toro Product listed below if used for residential purposes*, if defective in materials or workmanship or if it stops functioning due to the failure of a component for the period liste