Simplicity Walk-Behind (1998) Manual

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Simplicity Walk-Behind (1998) Manual | Manualzz

Mfg. No: 20456x8A

Walk-Behind (1998)

Copyright © Briggs & Stratton. All Rights reserved

25-Feb-2022

Bag Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Handle Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mower Housing Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8

Torque Specification Chart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10

4

6 or

Not F

Reproduction

Copyright © Briggs & Stratton. All Rights reserved

3 25-Feb-2022

Note: Unless noted otherwise, use the standard torque specifications Mfg. No: 20456x8A or

Not F

Reproduction

Copyright © Briggs & Stratton. All Rights reserved

4 25-Feb-2022

1

2

3

071592MA

672614

672069

QTY DESCRIPTION

Frame, Top

Frame Assembly

Bag, Cloth

Not F or Reproduction

Copyright © Briggs & Stratton. All Rights reserved

5 25-Feb-2022

Note: Unless noted otherwise, use the standard torque specifications Mfg. No: 20456x8A or

Not F

Reproduction

Copyright © Briggs & Stratton. All Rights reserved

6 25-Feb-2022

53

66

67

68

30

31

51

52

69

70

--

26

27

28

29

20

23

24

25

17

18

19

22

13

14

15

16

7

8

5

6

3

4

1

2

9

10

11

12

QTY DESCRIPTION

776004

-----

042189MA

672605A

028X49MA

672591

672601A

015X68MA

15X102MA

017X38MA

004X21MA

043615MA

015X84MA

17X137MA

17X124MA

01X153MA

671921E701

672503MA

672600A

17X146MA

0025X6MA

015X88MA

215X17 Z

672611

Housing

Engine *

Stop, Rope (Recoil - Start)

Adjuster, Left Rear Height

Nut, Push

Bracket, Left Handle

Adjuster, Left Front Height

Nut, Flange

Nut, Hex

Washer

Screw

Hub Cap

-(Optional)

Nut, Flange

Washer, Belleville

Washer

Bolt

Blade

Adapter, Blade

Adjuster, Right Front Height or Washer

Bolt, Engine

Nut, Flange

Rod, Pivot

Door, Rear

166X44MA Not F Spring

Guard, Rear

672060MA

672590

672604A

Wheel (Dark Gray)

Reproduction

26X245MA Screw

002X16MA

26X221MA

028X42MA

071495MA

028X64MA

671926

215X18 Z

671927

F-98406

Bolt, Carriage

Screw

Push On Cap

Wingnut

Retainer, Push

Bezel

Pin, Pivot

Deflector, Chute

Instruction Book

Note* Parts are available from an Authorized Service Center. See "Engines, Gasoline" or "Gasoline Engines" in the yellow pages of the telephone directory.

Copyright © Briggs & Stratton. All Rights reserved

7 25-Feb-2022

Note: Unless noted otherwise, use the standard torque specifications Mfg. No: 20456x8A or

Not F

Reproduction

Copyright © Briggs & Stratton. All Rights reserved

8 25-Feb-2022

7

8

12

13

3

4

1

2

14

15

671918E701

671917E701

002X77MA

071294

15X116MA

672550MA

071530MA

671924E700

43628 BC

071372MA

QTY DESCRIPTION

Handle, Upper (Black)

Handle, Lower (Black)

Bolt

Knob, Plastic

Locknut

Engine Stop Cable

Guide, Rope

Engine Stop Lever

Bracket, Stop Lever

Fastener, Cable

Not F or Reproduction

Copyright © Briggs & Stratton. All Rights reserved

9 25-Feb-2022

Hardware Identification & Torque Specifications

Torque Specification Chart

FOR STANDARD METRIC MACHINE HARDWARE (Tolerance ± 20%)

Torque Specification Chart

FOR STANDARD MACHINE HARDWARE (Tolerance ± 20%)

0

Property

Class

5.6

8.8

10.9

12.9

Class 5.6

Class 8.8

Class 10.9

Class 12.9

Size Of

Hardware in/lbs ft/lbs Nm.

in/lbs ft/lbs Nm.

in/lbs ft/lbs Nm.

in/lbs ft/lbs Nm.

M12

M14

M16

M18

M20

M22

M24

M27

M3

M4

M5

M6

M7

M8

M10

M30

M33

M36

M39

5.88

.56

13.44

1.28

26.4

2.50

44.64

4.3

5.2

7.1

7.7

10.5

15

26

21

36

42 58

64 88

89 121

126 171

169 230

217 295

320 435

435 590

590 800

759 1030

988 1340

13.44

30.72

60.96

7.3

12.1

17.7

35

61

101

147

202

290

390

497

733

995

1349

1740

2249

1.28

2.90

5.75

9.9

16.5

24

48

83

132

200

275

390

530

375

995

1350

1830

2360

3050

1032

1401

1902

2441

3163

287

405

559

708

19.2

43.44

5.97

10.3

16.9

25

50

86.2

136

210

550

745

960

1400

117

185

285

390

1.80

4.10

8.10

14

23

34

67

1900

2580

3310

4290

22.92

2.15

52.56

4.95

7.15

9.7

12.1

16.5

19.9

29

59

27

40

81

103 140

162 220

250 340

346 470

486 660

656 890

840 1140

1239 1680

1681 2280

2278 3090

2935 3980

3798 5150

The guides and ruler furnished below are designed to help you select the appropriate hardware.

10 20 30 40 50 60 70 80 90 100

Nut, M8

Body

Diameter

Body Length

Screw, M8- 1.25 x 25

0

Thread

Diameter (mm)

Inside

Diameter (in)

Threads per inch

1/4

Nut, 1/2-16

1/2

3/4

1

1/4

Thread

Diameter (mm)

Body

Diameter

1/2

3/4

Distance between threads (mm)

Threads per inch

Body

Length (mm)

Body

Length (in)

2

Screw, 1/2- 16 x 2

1/4

1/2

3/4

3

1/4

1/2

3/4

4

Hardware

Grade

No

Marks

SAE Grade 2

Size Of in/lbs

Hardware ft/lbs Nm.

SAE Grade 5 in/lbs ft/lbs Nm.

SAE Grade 8 in/lbs ft/lbs Nm.

8-32

8-36

10-24

10-32

1/4-20

1/4-28

5/16-18

5/16-24

3/8-16

3/8-24

7/16-14

7/16-20

1/2-13

1/2-20

9/16-12

9/16-18

5/8-11

5/8-18

3/4-10

3/4-16

7/8-9

7/8-14

1-8

1-12

19

20

27

31

66

76

140

7.6

8.6

11 15.0

12

20

23

30

35

50

55

65

75

90

100

160 217.6

180 244.8

155

220

240

2.1

2.3

3.1

3.5

16.3

27.2

31.3

40.8

47.6

68.0

74.8

88.4

102.0

122.4

136

190.4

210.8

299.2

326.4

30

31

43

49

8

19

30

35

50

55

75

90

110

3.4

3.5

4.9

5.5

10.9

10 13.6

17 23.1

25.8

40.8

47.6

68.0

74.8

102.0

122.4

149.6

41

43

60

68

12

14

25

29

45

50

70

34.0

61.2

68.0

95.2

80 108.8

110 149.6

120 163.2

150 204.0

4.6

4.9

6.8

7.7

16.3

19.0

34.0

120 163.2

150 204.0

180 244.8

260 353.6

300 408.0

170

220

240

231.2

299.2

326.4

386 525.0

420 571.2

400 544.0

440 598.4

600 816.0

660 897.6

580 788.8

900 1,244.0

640 870.4

1,000 1,360.0

NOTES

1. These torque values are to be used for all hardware excluding: locknuts, self-tapping screws, thread forming screws, sheet metal screws and socket head setscrews.

2. Recommended seating torque values for locknuts: a. for prevailing torque locknuts - use 65% of grade 5 torques.

b. for flange whizlock nuts and screws - use 135% of grade 5 torques.

3. Unless otherwise noted on assembly drawings, all torque values must meet this specification.

Common Hardware Types

Hex Head Capscrew

Washer

Standard Hardware Sizing

When a washer or nut is identified as 1/2” (M8), this is the Nominal size , meaning the inside diameter is 1/2 inch

(8mm metric thread diameter); if a second number is present it represents the threads per inch (distance between threads).

When bolt or capscrew is identified as 1/2 - 16 x 2” (M8 - 1.25 x 50), this means the Nominal size , or body diameter is 1/2 inch (8mm metric thread diameter), the second number,16, represents the threads per inch, (distance between threads). The final number is the body length of the bolt or screw, 2 inches (50mm).

Carriage Bolt

Wrench & Fastener Size Guide

Lockwasher

Hex Nut

1/4” Bolt or Nut

Wrench—7/16”

M6 Bolt or Nut

Wrench—10mm

5/16” Bolt or Nut

Wrench—1/2”

M8 Bolt or Nut

Wrench—13mm

3/8” Bolt or Nut

Wrench—9/16”

M10 Bolt or Nut

Wrench—17mm

7/16” Bolt or Nut

Wrench (Bolt)—5/8”

Wrench (Nut)—11/16”

1/2” Bolt or Nut

Wrench—3/4”

M12 Bolt or Nut

Wrench—19mm

M14 Bolt or Nut

Wrench—22 mm

Copyright © Briggs & Stratton. All Rights reserved

25-Feb-2022

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