Sno-Thro® Owner/Operator Manual Models 938017 - SS522EC 938018 - SS722EC U.S.
TABLE OF CONTENTS Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Troubleshooting . . . . . . . . . . . . . . . . . . . 19 Controls & Features . . . . . . . . . . . . . . . . 10 Accessories . . . . . . . . . . . . . . . . . . . . . . . 19 Operation . . . . . . . . . . . . . . . . . . . . . . . . . 11 Service Parts . . . . . . . . . . . . . . . . . . . . .
DELIVERY • Record Unit Model and Serial numbers here. • Record Engine Model and Serial number here. 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. All claims meeting requirements during the limited warranty period will be honored, whether or not the product registration card is returned.
SAFETY PRACTICES AND LAWS 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. SAFETY ALERTS Practice usual and customary safe working precautions, for the benefit of yourself and others. Understand and follow all safety messages. Be alert to unsafe conditions and the possibility of minor, moderate, or serious injury or death.
SAFETY DECALS AND LOCATIONS ALWAYS replace missing or damaged Safety Decals. Refer to figure 2 below for Safety Decal locations. 2 1 3 OS0157 Figure 2 3. DANGER! 1. DANGER! • Read operator’s manual. • Allow operation only by properly trained adults, never children. • Stop engine and remove ignition key prior to leaving operator’s position for any reason. • Keep all controls, guards and safety devices properly serviced and functional.
Stop engine, remove ignition key, read manual before making any repairs, adjustments. OL4010 SAFETY RULES Read, understand, and follow all safety practices in Owner/Operator Manual before beginning assembly or operating. Failure to follow instructions could result in personal injury and/or damage to unit. ALWAYS remove key and/or wire from spark plug before assembly, maintenance or service. Unintentional engine start up can cause death or serious injury.
Understand: • How to operate all controls. • The functions of all controls. • How to STOP in an emergency. Before starting engine, disengage control(s). Use only approved extension cords and receptacles when starting units equipped with electric starter. DO NOT connect electric starter cord to any wiring system that is not a three-wire grounded system. ALWAYS allow unit and engine to adjust to outdoor temperatures before clearing snow.
If fuel is spilled on clothing, change clothing immediately. Before tipping unit up onto housing, remove fuel so no spills will occur. Ensure unit is secure and will not tip over during maintenance. ALWAYS keep protective structures, guards, and panels in good repair, in place and securely fastened. NEVER modify or remove safety devices. DO NOT change engine governor settings or over-speed engine. Fumes from engine exhaust can cause injury or death. DO NOT run engine in an enclosed area.
Discharge Chute Assembly Discharge Chute Crank Assembly 1. Remove bolt and nut from rear of discharge chute (figure 4). 2. Tip discharge chute up and install hardware just removed. Tighten hardware at rear of discharge chute first, then sides. 3 2 1 4 1. Discharge Chute 2. Rear Bolt and Nut 3. Chute Handle 4. Side Hardware 1. Remove nut from bolt that holds recoil starter handle bracket in place (figure 5). 2.
CONTROLS & FEATURES 2 1 3 4 5 6 22 7 8 9 21 20 19 10 18 17 11 16 15 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22.
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. CONTROLS AND FEATURES See figure 6 for controls and features locations. 2. Pull recoil starter handle. Auger should rotate with the turning of the engine. 3. Release the auger clutch bail. 4.
FILLING FUEL TANK Discharge Chute Crank WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding. Discharge Chute Handle Handlebar Height Adjustment Holes OS2060 Figure 7 Discharge Chute Deflector ALWAYS position discharge chute deflector at a safe angle before starting engine. DO NOT throw snow any higher than necessary. Pull chute deflector handle upward to throw snow lower. Push chute deflector handle downward to throw snow higher.
STOPPING IN AN EMERGENCY Electric Start Immediately release auger clutch bail to stop unit in an emergency. Stop engine, remove key and wait for all rotating parts to stop before leaving operator’s position. NOTE: Electric start models can be started manually (see Manual Start on page 13). 1. Connect extension cord to prongs on starter. IMPORTANT: Prevent damage to unit. Know voltage of your starter and only use matching outlets. 2. Plug extension cord into 120V 3-wire, grounded outlet. 3.
Tips for Operation Snow is best removed as soon as possible after a snow fall. To clear an area, run unit in an overlapping series of paths. For large areas, start in the middle and throw snow to each side, so snow is not cleared more than once. ALWAYS direct snow away from area to be cleared and with direction of the wind. IMPORTANT: DO NOT overload unit capacity by attempting to clear snow at too fast a rate. TRAVELING TO ANOTHER WORK AREA 1. Release auger clutch bail to disengage auger. 2.
SERVICE AND ADJUSTMENTS 3. Remove auger drive pulley. 4. Remove old belt. WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding. Install (Figure 8) SERVICE POSITION 1. 2. 3. 4. Install new belt on drive pulley and idlers. Install drive belt on auger drive pulley. Install auger drive pulley on unit. Connect extension spring to idler arm/brake. 5. Adjust drive belt (see Drive Belt Adjustment on page 16). 6. Install cowl. Place unit on a flat level surface.
DISCHARGE CHUTE DEFLECTOR ADJUSTMENT If discharge chute deflector does not stay in position while throwing snow, adjust chute by tightening fasteners (figure 10). Fasteners Figure 10 Measure Bail Spring Length With Auger Clutch Bail Disengaged OS0181 DRIVE BELT ADJUSTMENT WARNING: Improper adjustment could result in death or serious injury. Auger brake MUST DISENGAGE when clutch is engaged. Auger brake MUST STOP AUGER WITHIN 5 SECONDS of releasing auger clutch bail.
3. Loosen belt finger and rotate until there is 1/32 – 1/16 in. (0.8 – 1.6 mm) gap between belt finger and drive belt. 4. Tighten belt finger. 5. Recheck gap between belt finger and drive belt. Adjust belt finger until there is 1/32 – 1/16 in. (0.8 – 1.6 mm) gap between belt finger and drive belt. 6. Go to Check Auger Stopping Time next. Check Auger Stopping Time WARNING: Improper adjustment could result in death or serious injury. Auger brake MUST DISENGAGE when clutch is engaged.
STORAGE FUEL SYSTEM WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding. SHORT TERM IMPORTANT: NEVER spray unit with high pressure water or store unit outdoors. Run with attachment clutch engaged a few minutes after each use to free unit of any loose or melting snow. Inspect unit for visible signs of wear, breakage or damage. Keep all nuts, bolts and screws properly tightened and know unit is in safe working condition. Store unit in a cool, dry protected area.
TROUBLESHOOTING PROBLEM Engine will not crank/start PROBABLE CAUSE CORRECTION 1. Key not in RUN position. 2. Fuel tank empty. 3. Clogged fuel filter. 1. Turn key to RUN position. 2. Fill fuel tank. 3. Replace fuel filter. See Engine Manual. 4. Contact your Ariens Dealer. 4. Faulty electric starter or wire connections. Engine stops 1. Out of fuel. 2. Improperly mixed or contaminated fuel. 3. Faulty spark plug. 4. Clogged fuel filter. 1. Fill fuel tank (see Filling Fuel Tank on page 12). 2.
SPECIFICATIONS Model Number 938017 938018 Description SS522EC SS722EC Engine - Tecumseh (Two-Cycle) TH139SA TH139SP 5 (3.73) 7 (5.22) Engine Power – hp (kW) at Maximum RPM 3950 ± 150 -1 Fast Idle Speed – RPM (min ) Displacement – in. (cc) 8.46 (139) Fuel See Engine Manual. Fuel to Oil Mix 50:1 Fuel Tank Capacity – qt. (L) 1.2 (1.1) Electric Start 120V Snow Clearing Width – in.
Three-Year Limited Sno-Thro® Warranty Ariens Company (Ariens) warrants to the original purchaser that Ariens Sno-Thro products will be free from defects in material and workmanship for a period of three years after the date of purchase. An authorized Ariens dealer will repair any defect in material or workmanship, and repair or replace any defective part, subject to the conditions, limitations and exclusions set forth herein.
Limitations • • Batteries are warranted only for a period of 12 months after date of purchase, on a prorated basis. For the first 90 days of the warranty period, a defective battery will be replaced free of charge. If the applicable warranty period is more than 90 days, Ariens will cover the prorated cost of any defective battery, for up to 12 months after the date of purchase.
Ariens Company 655 West Ryan Street Brillion, WI 54110-1072 920-756-2141 Fax 920-756-2407 www.ariens.