Ariens 939300 - ST520 User Manual
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Sno-Thro®

Parts Manual

Models

939001 - ST520E

939002 - ST520

939300 - ST520

00582700 5/06 Printed in USA

THEMANUAL

Before you operate your unit, carefully and completely read manuals supplied with the unit. The contents will provide you with an understanding of safety instructions and controls during normal operation and maintenance.

For your safety and the safety of others always read, understand, and follow all DANGER, WARNING, and CAUTION messages found in manuals and on safety decals.

Hardware descriptions are given in decimals.

Decimals to Fractions

.063

1/16

 

.563

9/16

 

 

 

 

 

.125

1/8

 

.625

5/8

 

 

 

 

 

.188

3/16

 

.688

11/16

 

 

 

 

 

.250

1/4

 

.750

3/4

 

 

 

 

 

.313

5/16

 

.813

13/16

 

 

 

 

 

.375

3/8

 

.875

7/8

 

 

 

 

 

.438

7/16

 

.938

15/16

 

 

 

 

 

.500

1/2

 

1.00

1

 

 

 

 

 

SERVICE ANDREPLACEMENTPARTS

When ordering replacement parts or making service inquiries, know the Model and Serial numbers of your unit and engine.

Numbers are located on the product registration card in the unit literature package. They are printed on a serial number label, located on the frame of your unit.

Record Unit Model and Serial numbers here:

Record Engine Model and Serial numbers here:

UNAUTHORIZED REPLACEMENT PARTS

Use only Ariens replacement parts. The replacement of any part on this vehicle with anything other than an Ariens authorized replacement part may adversely affect the performance, durability, or safety of this unit and may void the warranty. Ariens disclaims liability for any claims or damages, whether warranty, property damage, personal injury or death arising out of the use of unauthorized replacement parts.

PRODUCTREGISTRATION

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. Keep a proof of purchase if you do not register your unit.

Customer Note: If Dealer does not register your product, please fill out, sign and return the product registration card to Ariens or go to www.ariens.com.

YOURSATISFACTIONISIMPORTANT

Questions? Please follow these helpful steps:

1.Refer to the manuals supplied with your unit.

They will guide you through safe and proper operation and maintenance.

They contain specifications on your unit.

If your questions are not answered in these manuals, go to step number two.

2.Contact Your Dealer.

Our dealers will be happy to supply any service or advice required to keep your unit operating at peak efficiency.

A factory trained staff is available to support your equipment needs. They stock genuine Ariens parts and lubricants manufactured with the same precision and skill as the original.

If your questions are not resolved by the support staff, ask for the manager or owner.

When contacting your Dealer supply your model and serial numbers.

TO SPEED PARTS ORDERING:

1.Know the model and serial numbers of your unit.

2.Know the part number required.

3.Know the quantity required.

4.Know the part description.

2

MODELS

TABLEOFCONTENTS

 

Domestic

 

 

 

DECALS

 

Model 939001 (520E)

 

 

5H.P. 20” Sno-Thro

Decals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4

Serial No. 000101 and up

 

 

 

ENGINE ANDDRIVE

 

Model 939002 (520)

 

 

5H.P. 20” Sno-Thro

Engine and Belt Drive . . . . . . . . . . . . . . . . . . . . . . . .

6

Serial No. 000101 and up

 

 

 

FRAME ANDHOUSING

 

International

Handlebars and Controls . . . . . . . . . . . . . . . . . . . . . .

8

 

Auger and Chute . . . . . . . . . . . . . . . . . . . . . . . . . . .

10

Model 939300 (520)

Discharge Chute Crank . . . . . . . . . . . . . . . . . . . . . .

12

5H.P. 20” Sno-Thro

Gearcase and Impeller. . . . . . . . . . . . . . . . . . . . . . .

14

Serial No. 000101 and up

 

 

3

DECALS - 520

Model 939001, 002, 300

5

08000020

1

2

 

 

 

3

4

PS0322

Item

Part No.

Qty.

Description

1

05305100

1

Decal, American Flag

2

08093901

1

Decal, DangerRotating Parts

3

08094000

1

Decal, Danger

4

08000038

1

Decal, Front Panel, ST520

5

08000020

1

Decal, Control Panel - Single Speed

4

NOTES

5

ENGINE ANDBELTDRIVE

Model 939001, 002, 300

 

18

24

7

 

25

 

8

 

 

 

 

 

 

4

26

2

 

6

30

 

 

3

 

 

 

 

 

5

 

 

42

21

 

 

3

3

 

 

27

 

 

 

 

5

6

20

 

 

 

 

5

 

 

 

43

 

23

 

 

 

 

 

 

 

44

 

 

 

12

 

 

 

45

 

 

 

 

 

19

 

 

49

55

 

 

 

 

 

 

 

 

47

 

 

 

 

 

41

 

 

 

 

 

 

 

 

 

52

50

48

 

 

31

 

 

38

54

 

 

 

 

53

51

 

 

 

 

 

 

29

 

 

 

 

 

 

 

 

13

 

 

 

 

 

 

 

37

 

 

46

 

 

 

 

 

35

 

 

17

 

 

 

 

 

 

 

16

 

 

 

 

 

36

 

15

 

 

 

9

 

 

 

 

34

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

39

9

 

 

 

 

 

 

 

47

 

 

 

28

 

 

 

 

 

 

14

 

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

10

32

 

 

 

 

 

 

 

11

 

33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22

 

 

 

PS0330

 

Item

Part No.

Qty.

Description

 

 

 

 

 

 

1

07100113

2

Tire/Wheel, 4.10-4

 

 

 

 

 

 

 

07100115

2

Tire, 2PR 4.10-4

 

 

 

 

 

 

 

07100116

AR

Wheel

 

 

 

 

 

 

 

07100117

AR

Tube

 

 

 

 

 

 

2

08200130

1 Engine, 5HP Tecumseh LH195SA 120V (001)

 

 

 

 

 

 

08200124

1 Engine, 5HP Tecumseh OH195SA Recoil (300)

 

 

 

 

 

 

08200123

1 Engine, 5HP Tecumseh LH195SA Recoil (002)

 

 

 

 

 

6

 

 

 

ENGINE ANDBELTDRIVE

 

 

 

Model 939001, 002, 300

Item

Part No.

Qty.

Description

3

06435700

3

Washer, Flat Steel .38 x .88 x .083

4

00498300

1

Belt Finger

5

06307400

3

Washer, Locking .312 x .097

6

05947300

2

Bolt, Hex .31-24x .75 Grade 5

7

00497200

1

Belt Cover

8

07412000

2

Screw, Tapping Hex Washer Head .25-20x .50

9

06529700

3

Nut, Locking Center .25-20

10

00490700

1

Shaft, Axle

11

05952700

1

Bolt, Hex .25-20x 2.25 Grade 8

12

05521600

2

Bushing, Flange Hex .75 x .87 x .53 x 1.18

13

08300015

1

Spring, Torsion .067 x .88

14

00490500

1

Weldment, Attachment Idler Arm

15

05947500

1

Bolt-Hex .31-18X1.25Grade 5

16

01213100

1

Bearing Spacer

17

02457400

1

Idler

18

07532000

AR

Key, Push/Pull Tecumseh

19

06441400

2

Washer, Flat Steel .754 x 1.125 x .062

20

07200108

1

V Belt 4L-Section34.63 EL

21

00279100

1

Sheave, Engine

22

00582100

1

Gear, 44 Tooth

23

07200109

1

V-Belt3L-SectionStretch Fit

24

21533400

AR

Plug, Spark (001, 002)

 

21533500

AR

Plug, Spark (300)

25

07531800

AR

Cap, Fuel

26

02483100

1

Cord, Extension 120 V (001)

27

05963600

1

Bolt, Hex .31-24x 1.00 Grade 5

28

06543100

1

Nut, Locking Top Flange .31-18

29

07400010

4

Screw, Tapping .38-16x 1.0 Hex Washer Headw/Vibra-Tite

30

00499500

1

Sheave, Drive

31

05953000

2

Bolt-Hex .25-20X1.75Grade 8

32

05500037

1

Bushing, Sleeve .265 x .625 x .375

33

05717600

1

Ring, Retaining External .250 x .010

34

05500107

1

Bushing, Sleeve .513 x .748 x .475

35

06441100

1

Washer, Flat Steel .52 x .827 x .062

36

05500028

2

Bushing, Polyliner-.50Snap-in326-C

37

06400005

1

Washer, Wave .50 x .75 x .015 .13FRHT

38

00581500

1

Lever, Attachment Clutch

39

00499700

1

Transmission

40

05960900

3

Bolt, Hex .38-16x 3.50 Grade 5

41

05800003

1

Pin, Groove .156 x .875 TYPE H LC

42

02411000

1

Belt Finger

43

06534800

3

Nut, Locking Flange .375-16

44

07412000

2

Screw, Tapping .25-20x .50 Hex Washer Head Thread

45

00495251

1

Bracket, Mount Brake

46

00495300

1

Arm, Brake

47

06436200

4

Washer, Flat Steel .406 x .812 x .065

48

06529600

1

Nut, Locking Center .38-16

49

05958500

1

Bolt, Hex .38-16x 1.75 Grade 5

50

06800001

2

Rivet, Pop .187 x .45 Dome Aluminum

51

00180500

1

Pad, Brake

52

05900030

1

Bolt, Shoulder .31 x .50 .25-20x .438

53

06530100

1

Nut, Locking Flange .250-20

54

08300029

1

Spring, Tension .06 x .46 x 2.00

55

05500106

1

Bushing, Sleeve .385 x .500 x 1.045

7

-HANDLEBARSANDCONTROLS

Model 939001, 002, 300

12

15

15

23 16

13

13

14

21

21 9

11

 

 

 

 

19

 

 

 

 

23

8

 

35

 

 

 

 

 

 

 

 

 

 

 

 

17

 

 

 

15

 

 

29

 

13

13

 

 

28

15

 

 

17

 

 

 

 

24

 

4

 

 

 

14

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

22

20

 

 

 

 

 

 

 

 

 

 

 

18

 

 

 

24

 

 

 

 

 

 

 

 

 

27

 

 

 

 

 

7

26

 

 

 

 

 

25

 

 

 

 

 

 

 

34

31

32

 

 

 

 

30

11

133

5

6

6

2

3

PS0350

8