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GB - 20

8. Replace attachment drive belt (See Replace 

Attachment Drive Belt on page 18).

9. Check traction drive clutch adjustment. See  

Traction Drive Clutch Adjustment on page 17.

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.

LONG TERM

Clean unit thoroughly with mild soap and low pressure 
water and lubricate (see Maintenance). Touch up all 
scratched painted surfaces.

Remove weight from wheels by putting blocks under 
frame or axle.

When storing unit for extended periods of time, remove 
all fuel from tank and carburetor (run dry). Refer to 
Engine Manual.

STORAGE

WARNING: AVOID INJURY. Read and 
understand the entire Safety section before 
proceeding.

SERVICE PARTS

Order the following parts through your Dealer:

Part No.

Description

00036800

Ariens Hi-Temp Grease (3, 3 oz. 
cartridges)

21533400

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

73202500

240 Volt Starter Kit*

72406500

Front Weight Kit*

*Available in CE countries.

Summary of Contents for 939001 ST520E

Page 1: ...Owner Operator Manual Models 939001 ST520E 939002 ST520 Sno Thro 00582600A 6 06 Printed in USA ENGLISH FRAN AIS...

Page 2: ...ting requirements during the limited warranty period will be honored whether or not the product registration card is returned Keep a proof of purchase if you do not register your unit Customer Note If...

Page 3: ...e 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 Learn applicable rules and law...

Page 4: ...hidden hazards 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 v...

Page 5: ...e 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 grou...

Page 6: ...ep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete Do not use a nozzle lock open device If fuel is spilled on clothing change clothing i...

Page 7: ...from the bottom of the chute pedestal 3 Install discharge chute over opening in the auger housing and secure pedestal to auger housing with hardware removed in step 2 ASSEMBLY WARNING AVOID INJURY Rea...

Page 8: ...o Engine Manual for proper fuel type and tank capacity Check Function of all Controls Ensure unit runs and performs properly Refer to Operation Run in Attachment Belt 1 Start unit in a well ventilated...

Page 9: ...Gearcase 10 Clean out Tool 11 Oil Fill and Dipstick 12 Gas Tank and Cap 13 Electric Starter 939001 14 Recoil Starter Handle 15 Primer Bulb 16 Oil Drain Plug 17 Throttle Engine Stop 18 Ignition Switch...

Page 10: ...y Key Switch has two positions 1 Stop pulled out 2 Run pushed in NOTE DO NOT twist key after it is inserted Primer Bulb Pushing the primer bulb in adds fuel for easier engine start Refer to Starting a...

Page 11: ...trol the distance between the scraper blade and the ground Adjust runners equally to keep blade level with the ground Refer to Pre Start on page 11 for recommended settings FILLING FUEL TANK To add fu...

Page 12: ...utch levers are fully disengaged 5 Push Primer Bulb 2 or 3 times for cold engine NOTE When temperature is below 15 F 26 C additional priming may be needed 6 Insert key into ignition switch on engine a...

Page 13: ...ng unit onto trailer or truck Secure unit chassis to transport vehicle NEVER secure from rods or linkages that could be damaged DO NOT transport machine while engine is running Ariens Dealers will pro...

Page 14: ...urs more often if required Refer to Engine Manual for detailed instructions Run engine just prior to changing oil Warm oil will flow more freely and carry away more contamination Remove the oil drain...

Page 15: ...Runners should be adjusted as conditions require Figure 11 1 Position unit on a hard flat smooth level surface 2 Adjust runners by inserting a spacer of desired thickness under center of scraper blad...

Page 16: ...5 5 8 6 1 4 in 14 3 15 9 cm d Shut off engine e If clutch lever measurement is within specified range no adjustment is necessary If clutch lever measurement is outside the specified range follow steps...

Page 17: ...il attachment clutch lever distance and brake contact are correct IMPORTANT If attachment clutch brake cannot be adjusted within tolerances see your Dealer for repairs 8 Check belt finger clearance Wi...

Page 18: ...using recoil starter handle 7 Separate housing from unit Lower handlebar on floor 8 Remove attachment drive belt from lower pulley Replace Attachment Drive Belt 1 Place new belt onto lower pulley and...

Page 19: ...tween the engine and pulley groove as shown in Figure 23 6 Place new traction drive belt on transmission pulley 7 Push the new traction drive belt onto the grooves in the engine pulley NOTE Slowly pul...

Page 20: ...cate see Maintenance Touch up all scratched painted surfaces Remove weight from wheels by putting blocks under frame or axle When storing unit for extended periods of time remove all fuel from tank an...

Page 21: ...plug Engine problems 1 See Engine Manual Does not drive forward 1 Traction drive cable not adjusted properly 2 Traction belt not functioning 1 Adjust traction drive cable See Traction Drive Clutch Adj...

Page 22: ...ecoil Fuel See Engine Manual Tank Capacity qt L 2 0 1 96 Snow Clearing Width in cm 20 50 8 Chute Rotation Angle 200 Impeller Diameter in cm 12 30 5 Speed RPM Max min 1 1200 Auger Diameter in cm 11 0 2...

Page 23: ...abor and parts except as noted below The duration of this warranty shall be ninety 90 days after the date of purchase or 1000 hours of use whichever comes first if any product is rented or leased 3 Ye...

Page 24: ...uine Ariens or Gravely brand service parts are not covered by this warranty Except as specifically warranted normal maintenance services and normal replacement items such as spark plugs oil oil filter...

Page 25: ......

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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