Ariens 939001  ST520E Owner's/Operator's Manual

Ariens 939001 ST520E Owner's/Operator's Manual

Ariens lawn mower user manual

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Sno-Thro
Owner/Operator Manual
Models
939001 – ST520E
939002 – ST520
®
ENGLISH
FRANÇAIS
00582600A 6/06
Printed in USA

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Table of Contents
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Summary of Contents for Ariens 939001 ST520E

  • Page 1 Sno-Thro Owner/Operator Manual Models 939001 – ST520E 939002 – ST520 ENGLISH FRANÇAIS ® 00582600A 6/06 Printed in USA...
  • Page 2: Table Of Contents

    WARRANTY......23 INTRODUCTION PRODUCT REGISTRATION The Ariens dealer must register the product at the time of purchase. Registering the product will help the company process warranty claims or contact you with the latest service information.
  • Page 3: Safety

    Ariens Dealer for assistance. Make sure all assembly has been properly completed. NOTE: To locate your nearest Ariens Dealer, go to www.ariens.com on the internet. WARNING: Improper assembly or adjustments can cause serious injury.
  • Page 4: Safety Rules

    1. WARNING! Read Owner/Operator Manual. OL1801 Keep people away from unit while operating. Keep children out of work area and under watchful care of a responsible adult. OL4370 Never direct discharge towards persons or property that may be injured or damaged by thrown objects.
  • Page 5 NEVER operate unit after or during the use of medication, drugs or alcohol. Safe operation requires your complete and unimpaired attention at all times. NEVER allow anyone to operate this unit when their alertness or coordination is impaired. DO NOT operate unit without wearing adequate winter outer garments.
  • Page 6 Keep unit free of ice or other debris. Clean up oil or fuel spills. This product is equipped with an internal combustion type engine. DO NOT use unit on or near any unimproved, forest-covered or brush covered land unless exhaust system is equipped with a spark arrester meeting applicable local, state or federal laws.
  • Page 7: Assembly

    WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding. WARNING: Dropping or tipping over boxed unit could result in personal injury or damage to unit. PACKAGE CONTENTS 1. Discharge Chute 3. Sno-Thro Unit 2. Discharge Chute 4. Literature Pack with Handle (939001, 002) Extra Shear Bolts Figure 3...
  • Page 8 Check Tire Pressure Check tire pressure and adjust to the pressure listed on tire sidewall. Check Auger Gearcase Oil Check oil level in auger gearcase (see Check Auger Gearcase on page 14). Check Engine Crankcase Oil IMPORTANT: The engine is shipped with 5W-30 oil in crankcase.
  • Page 9: Controls And Features

    Figure 6 CONTROLS AND FEATURES 1. Attachment Clutch Lever 2. Traction Drive Clutch Lever 3. Chute Handle (939001, 002) 4. Discharge Chute Deflector 5. Discharge Chute 6. Impeller 7. Auger 8. Scraper Blade 9. Auger Gearcase 10. Clean-out Tool 11. Oil Fill and Dipstick 12.
  • Page 10: Operation

    WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding. WARNING: To avoid injury to hands and feet, always disengage clutches, shut off engine, and wait for all movement to stop before unclogging or working on snow thrower. Keep hands and feet away from auger and impeller.
  • Page 11: Filling Fuel Tank

    To clear the discharge chute: 1. Shut off the engine. 2. Wait 10 seconds and make sure impeller blades have stopped rotating. 3. Remove the snow clean-out tool (1) from the auger housing and use it to remove the clog from the discharge chute.
  • Page 12: Snow Removal

    TO STOP IN AN EMERGENCY Immediately release both control levers to stop unit in an emergency. Stop engine, remove key and wait for all rotating parts to stop before leaving operator’s position. STARTING AND SHUT OFF WARNING: FAILURE TO FOLLOW INSTRUCTIONS could result in personal injury and/or damage to unit.
  • Page 13: Maintenance

    ALWAYS direct snow away from area to be cleared and with direction of the wind. Ariens Dealers will provide any service or adjustments which may be required to keep your unit operating at peak efficiency. Should engine service be required, contact an Ariens dealer or an authorized engine manufacturer's service center.
  • Page 14: Maintenance Schedule

    2. Add lubricant if required. Allow oil to drain to level of plug and replace plug. IMPORTANT: Use only Ariens special gear lubricant L-2 (Part Number 00008000). Gearcase filler plug may require an application of Loc-Tite® 565 thread sealant with repeated servicing.
  • Page 15: Service And Adjustments

    IMPORTANT: DO NOT allow grease or oil to get on the belts. NOTE: Apply Ariens Hi-Temp Grease or equivalent to the lubrication fittings. See SERVICE PARTS on page 20. Sno-Thro should be lubricated (Figure 10) at beginning of season or every 25 operating hours.
  • Page 16: Discharge Chute

    For Replacement: 1. Align shear bolt holes in auger with shear bolt holes in the shaft. 2. Drive shear bolt through hole (if shear bolt was broken this will drive remaining part from shaft). 3. Secure shear bolt with nut. NOTE: DO NOT overtighten the shear bolt.
  • Page 17 1. Attachment Clutch Cable 2. Jam Nut 3. Adjustment Barrel Figure 16 3. Check attachment clutch lever measurement and tighten the jam nut on the attachment clutch cable adjustment barrel when the clutch lever measurement is in range. Proceed to step 6. NOTE: If clutch cannot be adjusted to the specified range with the cable adjustment alone, perform steps 4 –...
  • Page 18 To adjust traction clutch (Figure 19): 1. Loosen jam nut on traction clutch cable adjustment barrel. Turn adjustment barrel up the cable to decrease the distance between clutch lever and handlebar. Turn the adjustment barrel down the cable to increase the distance between clutch lever and handlebar.
  • Page 19 1. Attachment Drive Belt 2. Engine Sheave 3. Traction Drive Belt 4. Attachment Idler Nut 5. Attachment Belt Idler 6. Belt Finger Figure 21 1/8 to 3/16 in. (3.2–4.8 mm) 1. Belt Finger 2. Belt Figure 22 TRACTION DRIVE BELT REPLACEMENT NOTE: Housing and frame must be tipped apart and attachment drive belt removed from engine sheave in order to change traction drive belt (Figures 20 and 21).
  • Page 20: Storage

    Spark Plug (939001, 002) 07200108 Impeller Belt 07200109 Stretch Fit Traction Belt 53200500 Shear Bolts ACCESSORIES See your authorized Ariens dealer to add the additional accessories available to your Sno-Thro. Part No. Description 73203100 Slicer Bar* 72200600 120 Volt Starter Kit...
  • Page 21: Troubleshooting

    PROBLEM PROBABLE CAUSE Engine will not 1. Fuel tank is empty. crank/start. 2. Build up of dirt and residue around governor/carburetor. 3. Key Switch not in run position. 4. Electric starter not functioning. Engine stops. 1. Out of fuel. 2. Mechanical jam in blower rake or impeller.
  • Page 22: Specifications

    SPECIFICATIONS Model Number Description Engine - Tecumseh Engine Power – hp (kW) at Maximum RPM Fast Idle Speed-RPM (min Displacement - in. (cc) Electric Start Fuel Tank Capacity - qt. (L) Snow Clearing Width - in. (cm) Chute Rotation Angle Impeller Diameter - in.
  • Page 23: Warranty

    1000 hours of use, whichever comes first, if any product is rented or leased. Ariens Company • 655 W. Ryan St, P.O. Box 157 • Brillion, WI 54110-0157• (920) 756-2141 • www.ariens.com Warranties 3-Year Limited Sno-Thro Warranty...
  • Page 24 (12) months after the date of purchase. Ariens may from time to time change the design of its products. Nothing contained in this warranty shall be construed as obligating Ariens to incorporate such design changes into previously manufactured products, nor shall such changes be construed as an admission that previous designs were defective.
  • Page 26 Ariens Company 655 West Ryan Street P.O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 www.ariens.com...

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