Operator’s Manual | Manuel de l'utilisateur Model 920402 – Sno-Tek 24E (SN 250000 +) 920406 – Sno-Tek 20 (SN 000101 +) E10 ENGLISH FRANÇAIS 05137300A • 7/17 Printed in USA
TABLE OF CONTENTS WELCOME . . . . . . . . . . . . . . . . . . . . . . 1 SAFETY . . . . . . . . . . . . . . . . . . . . . . . . 2 Practices & Laws . . . . . . . . . . . . . . . . . . Required Operator Training. . . . . . . . . . Safety Alert Symbol . . . . . . . . . . . . . . . . Signal Words . . . . . . . . . . . . . . . . . . . . . Safety Decals . . . . . . . . . . . . . . . . . . . . Safety Rules . . . . . . . . . . . . . . . . . . . . . CONTROLS & FEATURES . . . . . . . . .
WELCOME Congratulations on your purchase and welcome to the Ariens family! Every snow thrower in the Ariens lineup is designed for long-lasting and unsurpassed performance. We are confident your machine will be part of your family for many years to come. Have Questions or Need Assistance? ariensstore.com • ariens.custhelp.com A service guide and a parts manual for your unit are available for free download or purchase at ariens.com.
SAFETY ALERT SYMBOL SAFETY This is the safety alert symbol. It means: • ATTENTION! • YOUR SAFETY IS INVOLVED! When you see this symbol: • BECOME ALERT! • OBEY THE MESSAGE! Read these safety rules and follow them closely. Failure to follow these rules could lead to loss of control of unit, severe personal injury or death to you or bystanders, or result in damage to property or the machine. PRACTICES & LAWS Practice usual and customary safe working precautions.
SAFETY DECALS Keep people away from unit while operating. Keep children out of work area and under watchful care of a responsible adult. The safety decals on your machine are visual reminders of the important safety information in this manual. All messages on your unit must be fully understood and carefully followed. Safety decals on the machine are explained below. Always replace missing or damaged safety decals. Replacement decal information is in the parts manual for your machine.
Complete a walk-around inspection of the unit to understand the unit, your work area and all safety decals. 3. DANGER! Understand how to operate all controls, the functions of all controls and how to STOP in an emergency. Danger! ROTATING PARTS! Keep clear of auger while engine is running. • Read operator’s manual. • Allow operation only by properly-trained adult, never children. • Stop engine and remove ignition key prior to leaving the operator’s position for any reason.
Never attempt to make any adjustments while the engine is running (except when specifically recommended by manufacturer). Always allow unit and engine to adjust to outdoor temperature before clearing snow. Do not run the engine indoors, except when starting the engine and for transporting the snow thrower in or out of the building. Open the outside doors; exhaust fumes are dangerous. Operation Never operate the snow thrower without proper guards, and other safety protective devices in place and working.
Avoid contact with sharp edges; sharp edges can cut. Always refer to operator's manual for important details if the snow thrower is to be stored for an extended period. Do not throw snow higher than necessary. Clearing a Clogged Discharge Chute Hand contact with the rotating auger / impeller inside the discharge chute is the most common cause of injury associated with snow throwers. Never use your hand to clean out the discharge chute. Maintain or replace safety and instruction labels as necessary.
Fuel DO NOT run engine in an enclosed area. Always provide good ventilation. Fumes from engine exhaust can cause injury or death. Fuel is highly flammable and its vapors are explosive. Handle with care. Use only an approved gasoline container with an appropriately-sized dispensing spout. No smoking, no sparks, no flames. Always allow engine to cool before servicing. Never fill fuel tank when engine is running or hot from operation. Never fill or drain fuel tank indoors.
CONTROLS & FEATURES 25 24 23 Model 920402 22 4 8 7 6 26 2 13 10 3 21 1 20 27 14 16 18 12 Model 920406 19 4 11 5 9 8 7 15 1 6 10 3 17 Figure 3 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. Engine Key Engine Run / Stop Switch Primer Bulb Fuel Tank and Cap Fuel Valve Electric Start Button Choke Control Knob Oil Fill / Dipstick Oil Drain Recoil Starter Handle Speed Selector Lever Auger Impeller Shear Bolt (2) Attachment Clutch Lever 2 9 5 16. Traction Drive Clutch Lever 17.
WARNING: Read and understand the Safety section before proceeding. See Figure 3 for all controls and features locations. Figure 5 ENGINE KEY AND RUN / STOP SWITCH ELECTRIC START BUTTON See Figure 4. The removable engine key and the run / stop switch are used together to start the engine. The engine key must be inserted and in the run position for engine to start. Starts a correctly choked engine. CHOKE CONTROL KNOB See Figure 6. Controls airflow to the engine.
ATTACHMENT CLUTCH LEVER (RIGHT SIDE) DISCHARGE CHUTE ROTATION LEVER See Figure 8. Controls auger / impeller movement. See Figure 10. Rotates discharge chute left or right to control snow discharge. Figure 8 TRACTION DRIVE CLUTCH LEVER (LEFT SIDE) See Figure 9. Allows unit to travel forward and in reverse. Figure 10 DISCHARGE CHUTE DEFLECTOR LEVER Model 920402 See Figure 11. Moves discharge deflector up or down to control height of snow discharge.
MANUAL DISCHARGE CHUTE DEFLECTOR EMERGENCY STOPPING Model 920406 See Figure 12. Moves discharge deflector up or down to control height of snow discharge. Loosen wing knob and move discharge chute deflector handle up or down to control snow throw height. Tighten wing knob in desired position. 1. Release both clutch levers. 2. Set engine switch to stop position and remove engine key from unit. 3. Wait for all moving parts to stop before leaving operator’s position. BEFORE OPERATING UNIT 1.
7. Recoil Start: Pull recoil starter handle. a. Grasp handle and pull rope out slowly until it pulls harder. b. Pull handle firmly and quickly with a rapid, continuous full-arm stroke. Repeat until engine starts. If engine does not start, see Troubleshooting on page 22. c. Let handle rewind slowly after engine starts. DO NOT let handle snap against engine. 8. Gradually turn choke off as engine warms. 9. Electric Start: Disconnect power cord from outlet and then from starter.
Check Clutch Cable Adjustments * Your Ariens dealer can provide service and adjustments to keep your unit operating at peak efficiency. Contact an authorized engine manufacturer’s service center for engine service. SERVICE POSITION Annually • • • • Change Engine Oil ** General Lubrication • • Check Auger Gearcase Oil • • * After first use. ** Refer to engine manual for instructions. See Figure 14. WARNING: AVOID INJURY.
CHECK FASTENERS Check for loose hardware. 2 CHECK CLUTCH CABLE ADJUSTMENTS 3 Auger / impeller must stop within 5 seconds when attachment clutch lever is released. Wheels must stop quickly when traction drive clutch lever is released. If clutches do not engage or disengage correctly, see Adjust Attachment Clutch & Brake on page 18 or Adjust Traction Drive Clutch on page 20. Refer to the service guide for your unit for more information about clutch repairs.
AUGER SHAFT Use the following key for all lubrication procedures. Grease Oil * = Lubricate on Both Sides TRACTION DRIVE 1. Place unit in service position (see Figure 14) and remove bottom cover. 2. Lubricate as shown in Figures 16 and 17. * See Figure 18. 1. Remove shear bolt nuts and bolts. 2. Apply grease at the grease zerks. 3. Hand rotate auger on auger shaft. 4. Align shear bolt holes in auger with shear bolt holes in shaft. 5. Insert bolts through holes. 6. Secure bolts with nuts. 7.
ADJUST SKID SHOES See Figure 19. To adjust skid shoes: 1. Place unit on a hard, flat surface. 2. Place a spacer under each scraper blade end. • Use two 3 mm (1/8") thick spacers for hard, smooth surfaces. • Use two 13 mm (1/2") thick spacers for uneven or gravel surfaces. 3. Loosen skid shoe hardware and lower skid shoes to contact surface. Adjust both shoes equally. Figure 20 ADJUST DISCHARGE CHUTE DEFLECTOR LEVER Model 920406 See Figure 21. Deflector must stay in selected position while throwing snow.
ADJUST DISCHARGE CHUTE DEFLECTOR LEVER ADJUST DISCHARGE CHUTE Model 920402 See Figure 22. If deflector does not stay in selected position, tighten the nut under the control panel. See Figure 24. If discharge chute does not stay in selected position, tighten nut on carriage bolt. Figure 22 Figure 24 If deflector does not follow full range of travel: 1. Position deflector control in the rear-most position. 2. Adjust nuts on chute cable. See Figure 23.
1 2 3 4 3 1 2 1. 2. 3. 4. Shift Rod Adjustment Pivot Pin Speed Selector Arm Hairpin Figure 25 ADJUST ATTACHMENT CLUTCH & BRAKE WARNING: AVOID INJURY. Improper adjustment could result in unexpected movement of auger and impeller causing death or serious injury. AUGER / IMPELLER MUST STOP within 5 seconds when attachment clutch lever is released. 1. Attachment Clutch Cable 2. Cable Adjustment Barrel 3. Jam Nut Figure 26 5.
Check Attachment Idler Arm Roller Clearance 1. Place unit in service position and remove bottom cover. 2. Engage attachment clutch and check the clearance between the frame and plastic roller on the lower end of the attachment idler arm. Roller should be 12.7 mm – 22.2 mm (1/2" – 7/8") from the frame. See Figure 28. Figure 29 Check Attachment Brake 1 1. Attachment Idler Arm Roller 2. Frame Figure 28 2 • If roller is 12.7 mm – 22.2 mm (1/2" – 7/8") from frame, no further adjustment is required.
ADJUST TRACTION DRIVE CLUTCH See Figure 32. If unit does not drive correctly, adjust traction clutch to compensate for friction disc wear. 1. Stop engine, remove key and wait for all moving parts to stop and for hot parts to cool. 2. Disconnect spark plug wire. 3. Loosen jam nut on traction cable adjustment barrel, and then turn adjustment barrel down to shorten cable and remove cable slack. 2 1 1 Measure here. 2 1. Brake Arm and Pad 2.
2 1 1. Swing Gate Tab 2. Stop Hole Figure 33 5. Reconnect spark plug wire.
TROUBLESHOOTING Problem Probable Cause Engine switch is in off position. Engine key is not in unit. Choke is off. Fuel valve is closed. Fuel tank is empty. Engine is not primed. Correction Push switch to on position. See Engine Key and Run / Stop Switch on page 9. Insert key. See Engine Key and Run / Stop Switch on page 9. Turn choke control knob to on position. See Choke Control Knob on page 9. Open valve. See Fuel Valve on page 9. Fill tank with fuel. See Before Operating Unit on page 11.
TROUBLESHOOTING Problem Probable Cause Shear bolts are broken. Attachment clutch / brake is not adjusted correctly. Impeller is frozen in place. Ice or debris is obstructing auger. Correction See Replace Shear bolts on page 16. See Adjust Attachment Clutch & Brake on page 18. Move unit to a warm place to thaw. Stop engine, remove key and wait for moving parts to stop. Check for and remove obstruction before restarting.
STORAGE WARNING: AVOID INJURY. Read and understand the Safety section before proceeding. SHORT TERM 1. Run auger / impeller for a few minutes to remove loose or melting snow to prevent impeller from freezing. 2. Tighten all hardware to correct specifications. 3. Inspect unit for visible signs of wear or damage. Repair as needed. 4. Apply a light layer of oil or anti-rust compound on bare metal areas. 5. Prepare fuel system for storage. NOTICE: Ariens recommends using a quality fuel stabilizer in all fuel.
SPECIFICATIONS Model Number 920402 920406 Description Sno-Tek 24E Sno-Tek 20 Engine Sno-Tek 208 Sno-Tek 136 Gross Torque* – N•m (lb-ft) 12.9 (9.5) 9.5 (7.0) Displacement – cm3 (in3) 208 (12.7) 136 (8.3) Maximum RPM – No load 3600 ± 100 Electric Start 120V N/A Fuel Tank Capacity – liter (qt) 1.4 (1.5) Chute Chute Rotation Angle 205° Rotation Control Deflector Control 2.5X Quick Turn In-dash Lever Manual Auger Snow Clearing Width – cm (in) 61.0 (24.0) 50.8 (20.
Sno-Thro®, Sno-Tek® and Finishing Tool Equipment Limited Warranty Warranty Ariens Company (Ariens) warrants to the original purchaser that Ariens, Gravely, Parker, and Countax ® ® brand chore-performing equipment (including Sno-Thro and Sno-Tek equipment) purchased on or after 1/1/2016 will be free from defects in material and workmanship for the time period noted in the chart below.
Exceptions and Limitations The chart below details special exceptions to this warranty: Warranty Code Warranty Period Use 1 Year All None Commercial These components are not covered when used commercially. Maximum 2 Years All Warranty is limited to 2 years for consumer use. (1 year for warranty code "PD".) Except as noted above, these components are covered for defect, not for wear. Maximum 2 Years All Warranty is limited on idlers to 2 years for consumer use.
Exclusions – Items Not Covered by This Warranty • Parts that are not genuine Ariens, Gravely, Parker or Countax service parts are not covered by this warranty and may void the warranty. • Damages resulting from the installation or use of any part, accessory, or attachment which is not approved by the Ariens Company for use with product(s) identified herein are not covered by this warranty.
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