Sno-Thro ® Owner/Operator Manual Models 932040 - ST5520E 932041 - ST7524E 932042 - ST624E 932140 - ST5520E 932141 - ST7524E 932509 - ST7524 932510 - ST5520 932511 - ST624 U.S. Patents Pending ENGLISH FRANÇAIS ESPAÑOL Transfer model & serial number label from product registration here. Coller l’autocollant du modèle et du numéro de série dans cet encadré. Transferir aquí la etiqueta del modelo y número de serie del registro del producto.
Ariens Company 655 West Ryan Street P.O.
Fred J.
TABLE OF CONTENTS SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 STORAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 SERVICE PARTS. . . . . . . . . . . . . . . . . . . . . . . . . . 24 CONTROLS AND FEATURES . . . . . . . . . . . . . . . 11 ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DELIVERY WARNING: Improper assembly or adjustments can cause serious injury. Customer Note: If you have purchased this product without complete assembly and instruction by your retailer, it is your responsibility to: 2. Understand all Safety Precautions provided in the manuals. 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.
SAFETY DECALS AND LOCATIONS 2. DANGER! ALWAYS replace missing or damaged Safety Decals. Refer to figure below for Safety Decal locations. 1 OS6610 2 3 ROTATING PARTS! ONLY use clean-out tool to clear blockages. NEVER use your hands. High speed impeller rotates below discharge opening. Wait for all moving parts to stop before removing clogs or servicing. 3. DANGER! ROTATING PARTS. Keep clear of auger while engine is running. OS2080 Figure 2 PS0322 • Read Operator’s Manual.
Avoid uneven and rough terrain. DO NOT operate near drop-offs, ditches, or embankments. Unit can suddenly turn over if a wheel is over the edge of a cliff or ditch, or if an edge caves in. Falling snow, fog, etc. can reduce vision and cause an accident. Operate unit only when there is good visibility and light. ROTATING IMPELLER CAN CAUSE SERIOUS INJURY. NEVER ATTEMPT TO UNCLOG OR CLEAN UNIT WHILE ENGINE IS RUNNING.
DO NOT operate on steep slopes. DO NOT clear snow across the face of slopes. Keep all movement on slopes slow and gradual. DO NOT make sudden changes in speed or direction. Use a slow speed to avoid stops or shifts on slopes. Avoid starting or stopping on a slope. DO NOT park unit on a slope unless absolutely necessary. When parking on a slope always block the wheels. ALWAYS shut off engine, remove key, and close fuel shut-off valve or drain fuel when transporting unit on a truck or trailer.
ASSEMBLY WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding. Unfold Handlebar (Figure 4) 1. Remove the lower and loosen the upper wing knobs on the handlebar assembly. 2. Loosen the wing nuts on the shift rod. 3. Put the speed selector lever in the first forward position. WARNING: Dropping or tipping over boxed unit could result in personal injury or damage to unit. 4. Rotate the handlebars into operating position. 5.
2 in. (5.08 cm) 1 1 2 3 2 4 3 4 1 1. Mounting Hardware 2. Discharge Chute 3. Discharge Chute Ring 4. Chute Pedestal Figure 5 OS6610 OS6620 Install Discharge Chute Crank (932041, 042, 141, 509, 510, 511) 1. Chute Crank 2. Crank Support Bracket 3. Pinion Gear 4. Spring Clip 1. If necessary, position the crank support bracket as shown in Figure 6. 2. Slide chute crank through crank support bracket. Figure 6 3. Connect the chute crank to the pinion gear on chute with spring clip.
CONTROLS AND FEATURES 1. Attachment Clutch Lever 2 1 2. Speed Selector 3 3. Traction Drive Clutch Lever 4 4. Chute Crank (932041, 042, 141, 509, 510, 511) 4 5. Muffler Guard (932041, 042, 141, 509, 510, 511) 5 6. Discharge Chute Deflector 6 7. Discharge Chute 8. Impeller 7 26 9. Auger 8 10. Scraper Blade 9 15 11. Auger Gearcase 12. Clean-out Tool 25 13. Oil Fill and Dipstick 14. Gas Tank and Cap 15. Electric Starter (932040, 041, 042, 140, 141) 21 10 24 23 12 11 16.
OPERATION Speed Selector WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding. Position the Speed Selector in the appropriate speed notch to control forward and reverse travel. 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.
Snow Clean-Out Tool (Figure 8) Chute Handle (932040, 140) IMPORTANT: If chute does not stay in set position, adjust as directed in SERVICE AND ADJUSTMENTS on page 18, or repair before operation. WARNING: Hand contact with the rotating impeller is the most common cause of injury associated with snow throwers. Never use your hand to clean out the discharge chute. Rotate the Chute with Discharge Chute Handle. Always stand opposite the direction of snow discharge when rotating the discharge chute.
FILLING FUEL TANK 2. Check Function of Clutches If clutches do not engage or disengage properly, adjust or repair before operation (see SERVICE AND ADJUSTMENTS on page 18). WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding. 3. Check Adjust Axle Lock Fuel Shut-Off Valve Use the axle lock pins to lock or unlock the wheels. Lock both wheels to increase traction; unlock one wheel to allow for easier turning of the unit.
5. Set throttle to proper starting position. Shut Off 6. Insert key into ignition switch and push into RUN position. DO NOT twist key after it is inserted. 1. Release Traction Drive Clutch Lever and allow unit to come to a complete stop. 7. Grasp starter handle and pull rope out slowly until it pulls harder. Let rope rewind slowly. 2. Run Impeller a few minutes after use to prevent freeze-up of Impeller. 8. Pull rope with a rapid continuous full arm stroke. Let rope rewind slowly. 3.
MAINTENANCE 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. MAINTENANCE SCHEDULE WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding.
CHANGE ENGINE OIL Change oil after first 2 hours of operation, thereafter change oil every 25 hours (more often if required). Refer to Engine Manual for detailed instructions. Auger Shaft Run engine just prior to changing oil. Warm oil will flow more freely and carry away more contamination. Remove the oil drain plug from the rear of the unit and tip the unit back to help drain all the oil. NOTE: To grease auger shaft, remove shear bolt nuts, and shear bolts.
SERVICE AND ADJUSTMENTS WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding. 1 RUNNERS Runners should be adjusted as conditions require (Figure 14). 1. Position unit on a hard, flat, smooth level surface. 2 2 2. Adjust runners by inserting a spacer of desired thickness under center of scraper blade, loosen runner hardware, slide runners to flat surface. Allow 1/8 in. (3 mm) between scraper blade and hard smooth surfaces. Allow 1-1/4 in.
e. Shift speed selector into the first reverse speed. f. Engage the traction clutch. Unit should move backward. g. Shut off unit. 7. Adjust pivot pin on the shift rod as needed so unit travels forward when speed selector lever is in first forward position and backward when speed selector is in first reverse position. DISCHARGE CHUTE If chute does not stay in position while operating, tighten nut on carriage bolt at pivot point to increase tension on spring (Figure 17). 8.
6. Replace chute crank and secure with spring pin (932041, 042, 141, 509, 510, 511). CAUTION: Always support Sno-Thro frame and housing when loosening the cap screws holding them together. Never loosen cap screws while unit is in service position. 7. Replace belt cover and secure with cap screws. IMPORTANT: To avoid bending bottom cover, when tipping unit apart, support handlebars firmly or tip unit up on housing and remove bottom cover by removing four cap screws before separating unit.
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 19 and 20). 1 CAUTION: Always support Sno-Thro frame and blower housing when loosening the cap screws holding them together. Never loosen cap screws while unit is in service position. 1. Remove attachment drive belt (See Remove Attachment Drive Belt on page 19). 2 2.
8. Replace belt cover. Attachment Clutch Lever 9. Check that auger/impeller stops within 3 seconds after attachment clutch/impeller brake lever is released. 6 in. - 7 in. (15,2 cm - 17,8 cm) TRACTION DRIVE CLUTCH ADJUSTMENT If drive slips, adjust traction clutch to compensate for friction disc wear. To test traction clutch (Figure 23): 1. Put unit in first forward speed. Figure 23 2. Without engine running, push unit forward while slowly moving the traction drive clutch lever toward the handlebar.
12. Slide friction disc assembly and hex shaft to the right until the left end of shaft is clear of left bearing. Tap lightly if necessary, to loosen. The shaft slides out of the small pinion gear and washer. 3 4 5 2 13. Carefully lift shaft and friction disc out of unit. As you remove the assembly, the washers between the bearing and sliding forks will be loose. Do not lose the washers. 1 6 11 5 1 2 3 4 6 11 5 10 9 7 8 1. Traction Clutch Cable 2. Shift Rod 3. Attachment Control Cable 4.
6. Reinstall the bearing cap/bushing on the right side of frame. SERVICE PARTS 7. Reinstall roll pins in shaft. Be sure pins are centered in shaft. Order the following parts through your Dealer: Part No. Description 8. Connect the pivot pin to the speed selector arm with the hardware removed in step 6 of Remove Friction Disc on page 23 00036800 Stens Mix Hi-Temp Grease (3, 3 oz. cartridges) 21533400 Spark Plug (932040, 140) 21533500 Spark Plug (932041, 042, 141, 509, 510, 511) 11.
TROUBLESHOOTING PROBLEM Engine will not crank/start. Engine stops. PROBABLE CAUSE CORRECTION 1. Fuel tank is empty. 1. Fill fuel tank. 2. Fuel shut-off valve closed. 2. Open fuel shut-off valve. 3. Build up of dirt and residue around governor/carburetor. 3. Clean area around governor/carburetor. 4. Key Switch not in run position. 4. Put Key Switch into run position. 5. Electric starter not functioning. 5. Check for a bad starter or connections. 1. Out of fuel. 1. Fill fuel tank. 2.
SPECIFICATIONS Model Number 932040 932041 932042 ST624E Description ST5520E ST7524E Engine - Tecumseh LH195SP OH195SP OH195SA Engine Power – hp (kW) at Maximum RPM 5.5 (4.1) 7.5 (5.6) 6.0 (4.5) 932140 932141 932509 ST5520E ST7524E ST7524 LH195SP OH195SP 5.5 (4.1) 7.5 (5.6) Fast Idle Speed-RPM (min-1) 3600 ± 150 Displacement - in. (cc) 11.88 (195) Electric Start 120V 120V 120V Fuel 120V 120V 932510 932511 ST5520 ST624 OH195SA OH195SA 7.5 (5.6) 5.5 (4.1) 6.0 (4.
Ariens Limited Warranties 2-Year Limited Lawn and Garden Consumer Warranty Ariens Company (Ariens) warrants to the original purchaser that Ariens and Gravely brand consumer products manufactured by Ariens Company will be free from defects in material and workmanship for a period of two (2) years after the date of purchase, and that Ariens 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.
Exceptions, Limitations, Exclusions These warranties are subject to the following conditions, limitations, and exclusions: To obtain warranty service, the following conditions must be met: The following items are excluded from this warranty: • The purchaser must perform the maintenance and minor adjustments explained in the owner’s manual. • Engines and engine accessories are covered only by the engine manufacturer’s warranty and are not covered by this warranty.
Ariens Company 655 West Ryan Street P.O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 www.ariens.
