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®
Sno-Thro
Owner/Operator Manual
Models
938017 - SS522EC
938018 - SS722EC
U.S. Patents
5758436 and 5966846
03392200 5/08
ENGLISH
Printed in USA
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TABLE OF CONTENTS Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Troubleshooting . . . . . . . . . . . . . . . . . . . 19 Controls & Features . . . . . . . . . . . . . . . . 10 Accessories . . . . . . . . . . . . . . . . . . . . . . . 19 Operation . . . . . . . . . . . . . . . . . . . . . . . . . 11 Service Parts . . . . . . . . . . . . . . . . . . .
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� Record Unit Model and Serial numbers DELIVERY here. Customer Note: If you have purchased this product without complete assembly and instruction by your retailer, it is your responsibility to: � Record Engine Model and Serial number here. 1. Read and understand all assembly instructions in this manual. If you do not understand or have difficulty following the instructions, contact your nearest Ariens Dealer for assistance. Make sure PRODUCT REGISTRATION all assembly has been properly
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SAFETY PRACTICES AND LAWS WARNING: To avoid injury to hands Practice usual and customary safe working and feet, always disengage clutches, precautions, for the benefit of yourself and shut off engine, and wait for all others. Understand and follow all safety movement to stop before unclogging messages. Be alert to unsafe conditions and or working on snow thrower. the possibility of minor, moderate, or serious Keep hands and feet away from injury or death. Learn applicable rules and au
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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 1. DANGER! 3. DANGER! � Read operator’s manual. � Allow operation only by properly trained Read Owner/Operator manual. adults, never children. � Stop engine and remove ignition key prior to leaving operator’s position for any reason. OL1801 � Keep all controls, guards and safety devices properly serviced and functional. Stop engine and re
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DO NOT operate unit without wearing Stop engine, remove ignition adequate winter outer garments. Wear key, read manual before making adequate safety gear, including safety any repairs, adjustments. glasses with side shields, and protective gloves. Wear proper footwear to improve footing on slippery surfaces. OL4010 DO NOT wear loose clothing or jewelry and tie back hair that may get caught in rotating SAFETY RULES parts. Protect eyes, face and head from objects that Read, understand,
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Understand: DO NOT operate on steep slopes. DO NOT clear snow across the face of slopes. Keep all � How to operate all controls. movement on slopes slow and gradual. DO � The functions of all controls. NOT make sudden changes in speed or � How to STOP in an emergency. direction. Use a slow speed to avoid stops or Before starting engine, disengage control(s). shifts on slopes. Avoid starting or stopping on a slope. Use only approved extension cords and receptacles when starting units equip
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If fuel is spilled on clothing, change clothing Keep all hardware properly tightened. immediately. Maintain or replace safety and instruction Before tipping unit up onto housing, remove labels, as necessary. fuel so no spills will occur. Ensure unit is NEVER store unit with fuel in fuel tank, inside secure and will not tip over during a building where any ignition sources are maintenance. present such as hot water heaters, space ALWAYS keep protective structures, guards, heaters, or clot
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Discharge Chute Assembly Discharge Chute Crank Assembly 1. Remove bolt and nut from rear of 1. Remove nut from bolt that holds recoil discharge chute (figure 4). starter handle bracket in place (figure 5). 2. Tip discharge chute up and install 2. Pull the chute crank assembly up so hole hardware just removed. Tighten in chute crank bracket fits behind/under hardware at rear of discharge chute first, lower handle bar and over bolt end. then sides. NOTE: DO NOT pull chute crank bracket past t
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CONTROLS & FEATURES 2 1. Auger Clutch Bail 1 3 2. Handlebar 4 3. Discharge Chute Crank 5 4. Handlebar Wing Knob 5. Spark Plug Access Cover 6 22 6. Discharge Chute Handle 7 7. Exhaust 8 8. Discharge Chute Deflector 9 9. Auger Housing 10. Auger 11. Ignition Switch 21 12. Fuel Level Indicator 13. Starter Button 14. Choke Control Knob 20 15. Power Cord 16. Primer Bulb 19 10 17. Scraper Blade 18 17 18. Cowl 19. Discharge Chute 11 16 20. Chute Deflector Handle 21. Fuel Tank and Cap 15 22. Recoil St
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OPERATION 2. Pull recoil starter handle. Auger should WARNING: AVOID INJURY. Read rotate with the turning of the engine. and understand the entire Safety 3. Release the auger clutch bail. section before proceeding. 4. Pull recoil starter handle again. Auger must not rotate as engine turns. WARNING: To avoid injury to hands IMPORTANT: If belt squeals when auger and feet, always disengage clutches, clutch bail is engaged, auger may be frozen. shut off engine, and wait for all Immediately
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FILLING FUEL TANK Discharge Chute Crank WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding. Discharge IMPORTANT: Two cycle engines require that Chute Handle oil be mixed with fuel. Failure to mix oil with fuel will result in seizure and severe damage to engine. DO NOT use gasohol or gasoline containing alcohol. See Engine Manual for correct type of fuel/oil mixture. 1. ALWAYS place unit in open or well- ventilated area. Handlebar 2. Stop engine and
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STOPPING IN AN EMERGENCY Electric Start NOTE: Electric start models can be started Immediately release auger clutch bail to stop manually (see Manual Start on page 13). unit in an emergency. 1. Connect extension cord to prongs on Stop engine, remove key and wait for all starter. rotating parts to stop before leaving IMPORTANT: Prevent damage to unit. Know operator’s position. voltage of your starter and only use matching outlets. STARTING AND SHUTTING OFF 2. Plug extension cord into 120V
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Tips for Operation TRAVELING TO ANOTHER WORK Snow is best removed as soon as possible AREA after a snow fall. 1. Release auger clutch bail to disengage To clear an area, run unit in an overlapping auger. series of paths. For large areas, start in the 2. Press down on handlebar enough to middle and throw snow to each side, so snow raise front of unit slightly off the ground is not cleared more than once. and push or pull unit. ALWAYS direct snow away from area to be cleared and with dire
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SERVICE AND ADJUSTMENTS 3. Remove auger drive pulley. WARNING: AVOID INJURY. Read and understand the entire Safety 4. Remove old belt. section before proceeding. Install (Figure 8) 1. Install new belt on drive pulley and idlers. SERVICE POSITION 2. Install drive belt on auger drive pulley. Place unit on a flat level surface. 3. Install auger drive pulley on unit. DRIVE BELT REPLACEMENT 4. Connect extension spring to idler arm/brake. Remove (Figure 8) 5. Adjust drive belt (see Drive Belt 1.
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DISCHARGE CHUTE DEFLECTOR ADJUSTMENT If discharge chute deflector does not stay in position while throwing snow, adjust chute by tightening fasteners (figure 10). Fasteners Measure Bail Spring Length With Auger Clutch Bail Disengaged Figure 10 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. Adjust Auger Contr
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3. Loosen belt finger and rotate until there is 1/32 – 1/16 in. (0.8 – 1.6 mm) gap WARNING: Auger MUST NOT rotate between belt finger and drive belt. when the auger clutch bail is disengaged. 4. Tighten belt finger. 5. Recheck gap between belt finger and 1. Start unit. drive belt. Adjust belt finger until there is 2. Engage auger clutch bail for 5 seconds. 1/32 – 1/16 in. (0.8 – 1.6 mm) gap IMPORTANT: Auger MUST STOP within 5 between belt finger and drive belt. seconds of disengaging aug
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STORAGE FUEL SYSTEM WARNING: AVOID INJURY. Read Gasoline left in the fuel system for extended and understand the entire Safety periods without a stabilizer will deteriorate, section before proceeding. resulting in gum deposits in the system. These deposits can damage the carburetor SHORT TERM and the fuel hoses, filter and tank. Prevent IMPORTANT: NEVER spray unit with high deposits from forming in the fuel system pressure water or store unit outdoors. during storage by adding a quality
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TROUBLESHOOTING PROBLEM PROBABLE CAUSE CORRECTION 1. Key not in RUN position. 1. Turn key to RUN position. Engine will 2. Fuel tank empty. 2. Fill fuel tank. not 3. Clogged fuel filter. 3. Replace fuel filter. See Engine crank/start Manual. 4. Faulty electric starter or wire 4. Contact your Ariens Dealer. connections. 1. Out of fuel. 1. Fill fuel tank (see Filling Fuel Tank Engine on page 12). stops 2. Drain fuel tank and refill with new 2. Improperly mixed or contaminated fuel. fuel/oil
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SPECIFICATIONS Model Number 938017 938018 Description SS522EC SS722EC Engine - Tecumseh (Two-Cycle) TH139SA TH139SP Engine Power – hp (kW) at Maximum RPM 5 (3.73) 7 (5.22) -1 3950 ± 150 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. (cm) 22 (56) Chute Chute Rotation Angle 220° Discharge Chute Crank Yes Discharge Chute Handle Yes Auger Speed – RPM 1430
