JOHN DEERE SST16,SPIN-STEER LAWN TRACTORS TM1908 PDF MANUAL

JOHN DEERE

WORLDWIDE COMMERCIAL & CONSUMER EQUIPMENT DIVISION

1 908 J ul y 2 004

Spin-Steer Lawn Tractor SST15, SST16 and SST18 TM1908 JULY 2004

TECHNICAL MANUAL

North American Version Litho in U.S.A.

INTRODUCTION Manual Description Introduction

T h i s t e c h n i c a l m a n u a l i s w r i t t e n f oSafety r an experienced technician and contains sections that are specifically for this product. It is a part of a total product support program.

T h e m a n u a l i s o r g a n i z e d s o t h a t a l Specifications l the inform a t iInformation on on a and particular system is kept together. The order of grouping is as follows: •Table

of

Contents

• S p e c i f i c a t i o n s

a n d

• I d e n t i f i c a t i o n

N u m b e r s

•Tools

and

I n f o r m a t i o n

L o c a t i o n

• S c h e m a t i c s

a n d

• T h e o r y

o f

• O p e r a t i o n •

Engine (Kohler)

Materials

• C o m p o n e n t

H a r n e s s e s

Electrical

O p e r a t i o n a n d

D i a g n o s t i c s

D i a g n o s t i c s

•Tests

and

•

R e p a i r

•

O t h e r

Engine (Briggs & Stratton)

Power Train

Adjustments

Steering

NOTE: Depending on the particular section or system being covered, not all of the above groups may be used.

Brakes

The bleed tabs for the pages of each section will align the sections listed on this page. Page numbering is c o n s e c u t i v e f r o m t h e b e g i n n i n g o f Attachments the Safety section through the last section.

with

We appreciate your input on this manual. If you find any errors or want to comment on the layout of the manual Miscellaneous please contact us.

All information, illustrations and specifications in this manual are based on the latest information at the time of publication. The right is reserved to make changes at any time without notice.

COPYRIGHT© 2004 Deere & Co. John Deere Worldwide Commercial and Consumer Equipment Division All rights reserved Previous Editions COPYRIGHT© 2002

Introduction

For the full PDF version of this manual, Please click on the above download PDF button.

SAFETY Be Prepared For Emergencies

Safety

Recognize Safety Information

This is the safety-alert symbol.

When you see this symbol on your machine or in this manual, be alert to the potential for personal injury.

•When you work around fuel, do not smoke or work near heaters or other fire Understand Signal Words precautions and safe hazards.

A signal word - DANGER, WARNING, or CAUTION - is l aEm u i tgh t h e s a f e t y - a l e r t s y m b •oSl t. oDr e A Nf G R mi a db e lnet i ff li ue isd st h ae w a y s es re vdi cwi n most serious hazards. practices. from fire hazards. Do not DANGER or WARNING safety signs are located near ipnr ce isns eu rr ai zt e or puncture specific hazards. General precau t i o n s a r ee dl i sc to endt aoi n e r s .

C A U T I O N s a f e t y s i g n s . C A U T I O N •aMl sa ok ec as lul rs e a m t taecnht ii no en itso c l e a n safety messages in this manual. of trash, grease, and Follow

recommended

Replace Safety Signs

debris.

•Do not

store

can

ignite

• B e

p r e p a r e d

oily

and

rags;

they

burn

Use Handling s p oCare n t a In ne o u s l y .and Servicing Batteries •Keep a first extinguisher •Keep

i f

a

aid kit handy.

emergency

doctors,

f i r e

s t a r t s .

and

fire

numbers

for

ambulance

sd ee rpvai rc tem , h o s p i t a l , a n d t e l e p h o neen. t n e a r y o u r Replace missing or damaged safety signs. See the machine operator’s manual for correct safety sign placement.

f i r e

Prevent Battery Explosions

•Keep sparks, lighted matches, and op from the top of battery. Battery gas c •Never check battery charge by placin across the posts. Use a volt-meter or •Do not charge a frozen battery; it ma b a t t e r y Safety

t o -

1

1 6 ° C

( 6 0 ° F ) .

SAFETY Prevent Acid Burns

Service Machines Safely

• S u l f u r i c a c i d i n b a t t e r y e l e c t r o l y t e i s p o i s o n o u s . I t i s s t r o n g e n o u g h t o b u r n s k i n , e a t h o l e s i n c l o t h i n g , a n d cause blindness if splashed into eyes.

Avoid acid burns by: 1.Filling

batteries

in

2.Wearing

eye

3.Avoiding

breathing

4.Avoiding

spilling

5.Use

proper

a

protection

jump

1.Flush

your

skin

2.Apply

baking

3.Flush

your

or

medical

rubber

when

dripping

large

gloves.

electrolyte

is

added.

electrolyte.

with

p r o c e d uT ri ee . l o n g h a i r b e h i n d y o u r h e a d . D o scarf, loose clothing, or necklace machine tools or moving parts. If water. caught, severe injury could result

or

with

lime

to

water

attention

hR ee l m p onv ee u rt ir na gl isz ea nt dh eo tahc ei d r .j e w e l r y t o a n d e n t a n g l e m e n t i n m o v i n g p a r t s for 10 - 15 minutes.

immediately.

If acid is swallowed: 1.Drink

area.

start

soda

eyes

and

fumes

If you spill acid on yourself:

4.Get

well-ventilated

amounts

of

water

Avoid Injury From Rotating Blades, Augers and PTO Shafts

or

milk.

2.Then drink milk of magnesia, beaten oil.

3.Get medical attention immediately.

eggs,

or

vegetable

Wear Protective Clothing

Keep hands and feet away while m off power to service, lubricate or augers or PTO shafts.

Use Proper Tools

Use tools appropriate to the work procedures can create safety haza only to loosen threaded parts and W e a r c l o s e f i t t i n g c l o t h i n g a n d asna df e tt iyg h e tq euni p na t rdware, use the i nmg e h appropriate to the job.

NOT use U.S. measurement tools o n j pu ar iyr m c ae un st e od r b y s l i p P r o l o n g e d e x p o s u r e t o l o u d n o i sAev oc iadn bcoa du i sl ey i m i nd g e Jv oi ch en D e e r e l o s s o f h e a r i n g . W e a r a s u i t a b l es e h re vai rci en gp aprrtos t emc et ei vt e

s u c h a s e a r m u f f s o r e a r p l u g s t o p r o t e c t a g a i n s t objectionable or uncomfortable loud noises.

Illuminate Work Area Safely Operating equipment safely requires the full attention of the I l ul us m oo un r ews o w r kh i al re e a a d e q u a t operator. Do not wear radio or m i ci n h ae ta ed py h p o r t a b l e s a f e t y l i g h t for working operating machine. machine. Make sure the bulb is en The hot filament of an accidentall spilled fuel or oil.

Safety

-

2

SAFETY Work In Clean Area Before starting a job: 1.Clean work

Using High Pressure Washers area

Directing pressurized water at ele components or connectors, bearin injection pumps or other sensitive may cause product malfunctions. spray at a 45 to 90 degree angle.

and

machine.

2.Make

sure

necessary job. on

you

tools

3.Have

have

to

the

all

do

your

right

parts

Work In Ventilated Area

hand.

Park 4 . R eMachine a d a l lSafely instructions thoroughly; shor tcuts.

do

not

attempt

Engine exhaust fumes can cause s necessary to run an engine in an e the exhaust fumes from the area w Before working on the machine: extension.

1.Lower all equipment to the ground.

If you do not have an exhaust pipe 2 . S t o p t h e e n g i n e a n d r e m o v e t hd eo ok res y .a n d g e t o u t s i d e a i r i n t o t h e 3.Disconnect the battery ground strap.

4.Hang

a

“DO

NOT

OPERATE”

Support Machine Properly Proper Lifting Equipment

and

t a g Warning: in ope r a t o r Proposition s t a t i o n . 65 Warning California

Gasoline engine exhaust from this chemicals known to the State of C birth defects, or other reproducti

Use

Remove Paint Before Welding Or Heating

Avoid potentially toxic fumes and dust. Hazardous fumes can be generated when paint is heated by welding, s o l d e r i n g , o r u s i n g a t o r c h . D o a l l w o r k o u t s i d e o r i n a w e l l ventilated area. Dispose of paint and solvent properly.

Remove paint before welding or heating: If you sand or grind paint, avoid breathing the dust. Wear an approved respirator. If you use solvent or paint stripper, remove stripper with soap and water before welding. Remove solvent or paint stripper containers and other flammable If you must work on a lifted machine or attachment, material from securely support the machine or attachment.minutes before weld Do

not

or

props

support

that

the

machine

may

on

crumble

cinder

blocks,

under

hollow

continuous

tiles,

load.

Do

work under a machine that is supported solely by a jack.

Follow recommended procedures in this manual.Avoid breathing d components containing asbestos fibers. Inhaled asbestos Lifting heavy components incorrectly can cause severe fibers may injury or machine damage. Follow recommended procedure for removal and installation of components in the Com manual.are brake pads, brake band and lining assemblies, clutch Safety

-

3

SAFETY p l a t e s , a n d s o m e g a s k e t s . T h e a Handle s b e s t Chemical o s u s e Products d i n t hSafely ese components is usually found in a resin or sealed in some way. Normal handling is not hazardous as long as airborne dust containing asbestos is not generated.

Avoid creating dust. Never use compressed air for cleaning.

Avoid brushing or grinding material containing asbestos.

When servicing, wear an approved respirator. A special vacuum cleaner is recommended to clean asbestos. If not available, apply a mist of oil or water on the material containing asbestos. Keep bystanders away from the area.

Direct exposure to hazardous chem injury. Potentially hazardous chem Deere equipment include such ite coolants, paints, and adhesives.

Service Tires Safely

A Material Safety Data Sheet (MSD details on chemical products: phy safety procedures, and emergency Check the MSDS before you start a hazardous chemical. That way you the risks are and how to do the jo procedures and recommended equ

E x p l o s i v e s e p a r a t i o n o f a s e r i o u s i n j u r y o r d e a t h .

Dispose Of Waste Properly

a n d r i m p a r t s c a n c a u s e I m p r o p e r l y d i s p o s i n g o f w a s t e c a n environment and ecology. Potenti Do not attempt to mount a tire w u int l he sJso h yo oe pn e tr i n c l u d n u D he ae vr e e te hq eu i pp rm e q u i p m e n t a n d e x p e r i e n c e t o p ecr of o r m t h e j o b . olant, brake fluid, filters, and b A l w a y s m a i n t a i n t h e c o r r e c t t i r ec opnr teas i snuer res . w D ho e nn o dt r iani fnl iant ge ft lhuei d s . D b e v e r a g e c o i ne el d r s o tr h h ae t am tires above the recommended pressure. Nevn e rt a w t ay mis de r iant k ci n a wheel and tire assembly. The h ag n fc raoum s et h ae n mi .n cDr oe ansoet p o u r w o er l idni tn og acna yn w a t e r s o i n a i r p r e s s u r e r e s u l t i n g i n a t i rd eo w en x p al o ds ri a o inn. , W p r o p e r w a y t o recycle or dispose o structurally weaken or deform the wheel. environmental or recycling center W h e n i n f l a t i n g t i r e s , u s e a c l i p -doena lcehr u . ck and extension hose long enough to allow you to stand to one side and NOT in front of or over the tire assembly. Use a safety cage if available.

Check rims

wheels

or

for

missing

low

lug

t i r e

pressure,

bolts

and

Live With Safety cuts,

bubbles,

damaged

nuts.

Before returning machine to customer, make sure machine is functioning properly, especially the safety systems.

Install all guards and shields.

Safety

-

4

GENERAL VEHICLE SPECIFICATIONS TABLE OF CONTENTS Table of Contents General

Vehicle

Specifications

Fastener Torques..............................................7 M e t r i c F a s t e n e r T o r q u e V a l u e s . . . . . . . . . . . . . . . . . . . . . . 7 I n c h F a s t e n e r T o r q u e General Information..........................................9 V a l u e s . . . . . . . . . . . . . . . . . . . . . . . . . 8 Gasoline ................................. ........................9 G a s roal g ine S ........... . . t. o . . . . . . .e. .. .. .. .. .. .. .. .. .. .. .. 9 E n Number g i n e Locations...............................12 Serial Oil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 E ngine Break-In O . . .i .l .. .. .. .. .. 1. .0. . . . . . . . . . . . . . . . . . . . . .

Chassis Grease. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Hydrostatic Transmission Oil........................11 S y n t h e t i c L u b r i c a n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 A l t e r n a t i tvse. . . . . . . . . . . . . . . . . .

L . . u. .b. .r . i . c. .a. n . . . . . . 11 L u b r i c a n t S t o r a g e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 M i x i n g o ft s . . . . . . . . . . . . . . . . . .

L . . u. .b. .r . i . c. .a. n ........12 Machine Product Identification Number.......12 E ng i n e r .S. e. .r. i. a. .l . . . . . . . . . . . . . .

N ..u . .m . . .b. e ....12 Transaxle Serial General

Vehicle

Number...................... ........12

Specifications

Table

of

Contents

GENERAL VEHICLE SPECIFICATIONS FASTENER TORQUES Fastener Torques

Metric Fastener Torque Values 4.8

Class

M8

12

9.8

10.9

12.9

4.8

8.8

9.8

10.9

12.9

10

12

10

10

5

12.9

10

10

12

MIF

N•m

4.8

8.8

5

4.8Class

M6

4.8

5

Lubricated SIZE

10.9

10

Property Class and Nut Marking s

9.8

12

Property Class and Head Marking s

12.9

8.8

aDry

lb-ft

3.5

8.8

6

or

9.8Class

aLubricated

N•m

4.5

9

lb-ft

6.5

8.5

15

11

22

16

8.5 20

12.9

aDry

aLubricated

lb-ft

N•m

lb-ft

17

15

N•m

11

28

10.9Class

13

32

9.5

24

40

30

11.5

37

19

47

N•m

lb-ft

N•

14.5

35

17

29

21

43

32

55

40

63

M12

40

29

50

37

75

55

95

70

110

80

M14

63

47

80

60

120

150

110

175

M16

100

73

M18

135

100

175

M20

190

140

240

180

375

275

475

350

530

400

675

500

625

460

800

M22

260

190

330

250

510

375

650

475

725

540

925

675

850

625

1075

M24

330

250

425

310

650

475

825

600

925

675

1150

850

1075

800

135

M27

490

360

625

450

950

700

1200

875

1700

1250

1600

115

M30

675

490

850

625

1300

950

1650

1200

M33

900

675

1150

850

1750

1300

M36

1150

850

1450

1075

2250

these

hand

torque

DO

NOT

use

92

190

125

140

260

240

195

175

330

75

55

140

105

130

95

130

225

165

205

150

260

109

275

200

350

225

320

240

400

250

60

28

lb-ft

aD

23

125

80

N•m

aLubricated

M10

88

47

12

aDry

375

2200

1650

275

1350

2850

values

if

a

165

350

1000

1350

2500

2100

70

475

1850

1650

95

440

2300

1850

3200

120

560

1700

3150

2350

different

325

torque

41

2150

2350

4050

300

1

2900

3000

3

When

b

value or tightening procedure is given for a specific values should application. Torque values listed are for general use only head. a do eta a rr ri aa n e - ft ay cp teo rl o . cCkh en cu kt s t it go h tt h n ee sf su lol f t o r q u e Tn i gdh it ne cn l ut o h e±d1 0o%r v se t ec d fasteners periodically. DO NOT use air powered wrenches. value.

Shear bolts are designed to fail under predetermined loads. a “Lubricated” means coated with a lubricant such as Always replace shear bolts with identical grade. engine oil, or fasteners with phosphate and oil coatings.

Fasteners should be replaced with the same grade. Make “Dry” mea sure fastener threads are clean and that you properly start Specif thread engagement. This will prevent them from failing Reference: JDS - G200. when tightening.

General

Vehicle

Specifications

Fastener

Torques

-

7

GENERAL VEHICLE SPECIFICATIONS FASTENER TORQUES Inch Fastener Torque Values 1 or 2b

SAE Gra de and Head Markings

8

5.2

5.1

5

8.2

No Marks

5

2

SAE Gra de and Nut Markings

8

No Marks MIF

Grade

1Grade

Lubricated SIZE 1/4

3.7

5/16

14

7/16

22

9/16

lb-ft

36

5/8

67

3/4

120

87

7/8

190

140

1

50

7

9

15

25

18

16

27

20

35

26

44

33

35

53

45 62

150

9.5

20

31

85

lb-ft

11

20

60

N•m

15

22

39

N•m

44

67

5.5

32

50

55

N•m

13.5

10

28

21

26

50

36

35 63

lb-ft 17

80

58

100

75

63

110

80

120

90

150

115

125

90

155

115

175

130

225

70

105

78

135

100

170

125

215

160

215

190

140

240

175

300

225

375

280

140

240

175

490

360

lb-ft

N•

12.5

52

95

190

N•m

aD

46

56

175

aLubricated

70

85

41

12

aDry

75

110

240

26

8.2

lb-ft

9

12

or

aLubricated

7.5

6

8

aDry

4.5

13

42

5.2Grade

3.5

17

25

or

lb-ft

7

28

5.1

N•m

10

16

48

4.7

5,

aLubricated

5.5

10

33

aDry

2.8

7.7

3/8

1/2

N•m

2bGrade

625

160

160 300

425

450

225

310

700

550

500

400

875

65

290

210

360

270

290

210

360

270

725

540

925

675

1050

750

1300

97

1-1/8

470

300

510

375

470

300

510

375

900

675

1150

850

1450

1075

1

1-1/4

570

425

725

530

570

425

725

530

1300

950

1-3/8

750

550

950

700

750

550

950

700

1700

1250

1-1/2

1000

725

1250

DO

NOT

use

these

925 hand

990

725

torque

1250

930

values

if

2250 a

1650

1200

2150

1650

different

2050

1550

2850

2700

2100

torque

1500 20

3600

Tighten

value or tightening procedure is given for a specific value. application. Torque values listed are for general use only a “Lubricated” means coated with a lubricant such as and include a ±10% variance factor. Check tightness of engine oil, or fasteners with phosphate and oil coatings. fasteners periodically. DO NOT use air powered wrenches.

“Dry” means plain or zinc plated (yellow dichromate Shear bolts are designed to fail under predetermined loads. Specif Always replace shear bolts with identical grade. b “Grade 2” applies for hex cap screws (Not Hex Bolts) up Fasteners should be replaced with the same grade. Make to 152 mm sure fastener threads are clean and that you properly start screws ove thread engagement. This will prevent them from failing bolts and w R eh feenr et ni g ch e :t eJ nDi Sn g- . G 2 0 0 When bolt and nut combination fasteners are used, torque values should be applied to the NUT instead of the bolt head.

General

Vehicle

Specifications

Fastener

Torques

-

8

GENERAL VEHICLE SPECIFICATIONS GENERAL INFORMATION

RFG (reformulated) gasoline is acc designed for use of regular unlead (that were designed for leaded fue accelerated valve and seat wear.

General Information Gasoline

c CAUTION: Avoid Injury! Gasoline is HIGHLY FLAMMABLE, handle it with care.

DO NOT refuel machine while: •Indoors, always fill gas tank outdoors; •Machine is near an open flame or sparks; •Engine is running, STOP engine;

MIF

•Engine is hot, allow it to cool sufficiently first; • smoking.

IMPORTANT: Avoid damage! California Proposition 65 Warning: Gasoline engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Help prevent fires: •Fill gas tank to bottom of filler neck only; •Be sure fill cap is tight after fueling;

Gasoline Storage

•Clean up any gas spills IMMEDIATELY;

IMPORTANT: Avoid damage! Keep all dirt, scale, •Keep machine clean and in good repair - free water or other foreign material out of gasoline. of excess grease, oil, debris, and faulty or damaged parts.

Keep gasoline stored in a safe, protected area. Storage of of machines g a s Any o l istorage ne in a c l e awith n , gas p rleft o pinetank rly marked (“UNLEADED G A Sshould OLIN E ” ) P O L Y E T H Y L E N E be in an area that is well ventilated toP L A S T I C c o n t a i n e r WIT H O U igniting T any m e t by a lansopen creen or filter is recommended. DO prevent possible of fumes N flame O T or u sspark, e d this e - iincludes c e r s any t o appliance attempt to remove water from gasoline o r dwith e paepilot n dlight. on fuel filters to remove water from gasoline.

Use a water separator installed in the storage tank outlet. prevent B E To SU R E tfire o or p rexplosion o p e r l caused y d i sbyc STATIC ard unstable or contaminated g a s ELECTRIC o l i n e .DISCHARGE W h e n during s t o rfueling: ing the machine or gasoline, it is r e c •ONLY o m muse e na d e d approved that you add John Deere Gasoline clean, Conditioner and Stabilizer (TY15977) or an equivalent to t h e POLYETHYLENE g a s o l i n ePLASTIC . B E fuel S U container R E t o and follow directions on container or filter. a n dfunnel t o WITHOUT p r o p e any r l ymetal d i sscreen card empty container.

To avoid engine damage:

•DO

NOT

mix

oil

with

gasoline;Engine

Oil

•ONLY use clean, fresh unleaded gasoline with an Use the appropr octane rating (anti-knock index) of 87 or higher;temperature range during the period between •fill gas tank at the end of each day's operation to help recommen prevent condensation from forming tank;premature engine failure.

•keep

up

with

specified

service

inside

a

intervals.The

partially

filled

following

recom

John

Deere

Use of alternative oxygenated, gasohol blended, unleaded •TURF gasoline is acceptable as long as:•PLUS - 4® - SAE 10W-30; •the

ethyl

or

grain

alcohol

blends

DO

NOT

exceed

10%

The

followin

by volume or,based on their specified temperature range: •methyl tertiary butyl ether (MTBE) blends DO NOT •TORQ exceed 15% by volume.

•PLUS - 4® - SAE 10W-40; General

Vehicle

Specifications

General

Information

-

9

-

GARD

GENERAL VEHICLE SPECIFICATIONS GENERAL INFORMATION John Deere BREAK-IN ENGINE OIL is also recommended for Other oils may be used if above John Deere oils are not non-John Deere engines, both available, provided they meet one of the following aluminum and cast iron ty specifications: pes.

• S A E 1 0 W - 4 0 - A P I S e r v i c e C l a s s i Tf h i cea tf o i ol lnos w Si n G g o Jr ohhi ng hDeer e; r e o i l •TORQ - GARD SUPREME® - SAE 30.

Classification SG or higher; is also recommended as 10W-30 - API Service Classifications SG or higher; break-in engine oil: 30 - API Service Classification SC or higher.

•TORQ - GARD SUPREME® - SAE 5W-30.

API

Service

a

If the above recommended John Deere oils are not available, use a break-in engine oil meeting the following IMPORTANT: Avoid damage! After the break-in specification during the first John 5 period, h o uuse r s the (m a xDeere i m uoil mthat ) oisf recommended ofor p ethis r aengine. tion: SAE 10W-30

•SAE

5W-30

-

Classification

API SE

Service or

higher.

•SAE 5W-30 - CCMC Specification G4 or

higher.

PREFERRED

SAE 5W-30

BREAK-IN OIL

SAE 10W-40

•SAE

-

SAE 30

•SAE

5W-30

SAE 5W-30

•SAE

AIR TEMPERATURE MIF

Engine Break-In Oil IMPORTANT: Avoid damage! ONLY use a quality break-in oil in rebuilt or remanufactured engines for PREFERRED the first 5 hours (maximum) of operation. DO NOT use oils with heavier viscosity weights than SAE 5WAIR TEMPERATURE 30 or oils meeting specifications API SG or SH, MIF these oils will not allow rebuilt or remanufactured o break-in h n D eproperly. ere Dealers: You may want to cross-reference the enginesJ to following publications to recommend the proper oil for your The following John Deere oil is PREFERRED:customers: •John

Deere

BREAK-IN

ENGINE

OIL.•Module

DX,ENOIL4

in

JDS-G135;

John Deere BREAK-IN ENGINE OIL is formulated with •Section 530, special additives for aluminum and cast iron type engines Mercha to allow the power cylinder components (pistons, rings, and •Lubrication Sales Manual PI7032. liners as well) to “wear-in” while protecting other engine components, valve train and gears, from abnormal wear.

Engine rebuild instructions should be followed closely to determine if special requirements are necessary.

General

Vehicle

Specifications

General

Information

-

10

GENERAL VEHICLE SPECIFICATIONS GENERAL INFORMATION Chassis Grease

Hydrostatic Transmission Oil

U s e t h e f o l l o w i n g g r e a s e b a s e d oT n r ae ts u r e h et shee a i r tme amc p h ei n are r a n g e . O p e r a t i n g o u t s i d e o f t h e er q eu co e n dwe i dt hg r e i pmpm ed a a s ien taei r n a l t e m p e r a t u r e r a n g e m a y c a u s e p rw em i l i us rc e s . e ta t u r e f a d brake transmission.

IMPORTANT: Avoid damage! ONLY use HY-GARD® J20D oil in this transmission. Mixing of two viscosity IMPORTANT: Avoid damage! ONLY use a quality grade oils is NOT RECOMMENDED. DO NOT use grease in this application. DO NOT mix any type “F” automatic transmission fluid. other greases in this application. DO NOT use any BIO- GREASE in this application.

The following oil is RECOMMENDED The following John Deere grease is PREFERRED: •HY-GARD J20D OIL •HIGH-TEMPERATURE EP GREASE® - JDM J13E4, John Deere Dealers: You may want NLGI Grade 2. following publications to recomme •GREASE-GARD™ - JDM J13E4, NLGI Grade 2.

customers:

o dpur l ee f eDr Xr ,eEdN JOoI h Ln 2 iDne e JD O t h e r g r e a s e s m a y b e u s e d i f a b •oM ve r eS - G 1 3 5 ; grease is not available, provided they meet the following •Section 530, Lubricants & Hydraul specification: Merchandise Sales Guide; •John

Deere

Standard

JDM

J 1 3 E 4 •, L N u Lb G r iI c G a tr iaodne S2 a. l e s

Manual

PI7032.

Synthetic Lubricants

Synthetic lubricants may be used i if they meet the applicable perfor (industry classification and/or mil shown in this manual.

JDM J13E4 NLGI Grade 2

The recommended air temperature lubricant change intervals should in the operator’s manual.

Avoid mixing different brands, gra manufacturers blend additives in t specifications and performance req different oils can interfere with th these additives and degrade lubric

Alternative Lubricants

Conditions in certain geographical States and Canada may require dif recommendations than the ones pr manual or the operator's manual. C Deere Dealer, or Sales Branch, to o lubricant recommendations.

AIR TEMPERATURE MIF

John Deere Dealers: You may want to cross-reference the following publications to recommend the proper grease for your customers: •Module

DX,GREA1

in

JDS-

G135; •Section 530, Lubricants & Hydraulics, of the John Deere Merchandise Sales Guide; General Vehicle •Lubrication Sales Manual P17032.

IMPORTANT: Avoid damage! Use of alternative lubricants could cause reduced life of the component.

If alternative lubricants are to be used, it is recommended that the factory fill be thoroughly removed before switching to any alternative lubricant.

Specifications

General

Informatio

GENERAL VEHICLE SPECIFICATIONS SERIAL NUMBER LOCATIONS Lubricant Storage

Engine Serial Number

All machines operate at top efficiency only when clean lubricants are used. Use clean storage containers to handle all lubricants. Store them in an area protected from dust, moisture, and other contamination. Store drums on their sides. Make sure all containers are properly marked as to their contents. Dispose of all old, used containers and their contents properly.

Mixing of Lubricants In general, avoid mixing different brands or types of lubricants. Manufacturers blend additives in their lubricants to meet certain specifications and performance requirements. Mixing different lubricants can interfere with the proper functioning of these additives and lubricant p r o p e r t i e s w h i c h w i l l d o w n g r a d e t h e i r i n t e n d e d s p e c i f i e dM X 1 4 7 4 performance.

Picture Note: Briggs and Stratton Engines

Serial Number Locations Machine Product Identification Number When ordering parts or submitting a warranty claim, it is IMPORTANT that the machine product identification number (PIN) and component serial numbers are included.

The location of the PIN and component serial numbers are shown.

MX10553

Picture Note: Kohler Engine Located on right side

of

engine.

Transaxle Serial Number

MX1475

Located

on

right

side

of

frame.

MX8551

Located

(stamped)

General

Vehicle

on

top-front-center

Specifications

Serial

of

transaxle

Number

Locat

ENGINE - BRIGGS AND STRATTON TABLE OF CONTENTS Table of Contents Engine

-

Briggs

and

Stratton

Specifications.................................................15 Engine Specifications............. ......................15 Tests and Adjustments Specifications..........15 Diagnostics.....................................................19 Repair Specifications.............

Tests and Adjustments..................................26 .......................16 Torque Specifications............. ......................18 Engine Diagnostics................. ......................19 Throttle Cable Repair...............................................................33 Adjustment................. ...........26 C h jo uk set m Cable A . .d . . . . . . . . . . e. 2n 6t . . . . . . . . . . . . . . . . .

Governor Adjustment................. ..................27 C a rj u b u r e teonr t . . . . . . . . . . . . . . . . .

A . .d . . . . . s. t. .m ......28 Valve Clearance Adjustment................. .......29 F u se tl . .S. h T e . . u. . t. o . . f. f. . .S. o. .l . e. .n. o . . i. d. . .

29 Compression

Assemble Piston Rod etc.............................

50 Cylinder Bore Inspection................... ...........52 Cylinder Bore Honing........................ ...........52 Cylinder Bore Cleaning..................... ...........53 Resizing Cylinder Bore........................... .....53 Flywheel Removal and Installation..............5 4 Crankshaft Removal and Installation...........55 Magneto Bearing Inspection................... .....57 PTO and Cam Bearing Inspection...............58 Breather Valve Service....................... .........59 Oil Pump Removal...................... .................60 Starting Motor Removal and Installation................. ............61 Starting Motor Disassembly ........................62 Starting Motor Assembly..................... .........64 Starting Motor Pinion Gear Replacement............... .............65

Test............................ ............30 Without Cylinder Leak Tester.......................3 0 With Cylinder Leak Tester......................... ...30 Engine - Briggs and Stratton Table of Contents Engine Oil Pressure Test............................ .31 Ignition Armature Air

ENGINE - BRIGGS AND STRATTON SPECIFICATIONS Specifications Engine Specifications Engine Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SST16 and SST18 Make. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Briggs and Stratton Series. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Vanguard V-Twin Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Gasoline Stroke/Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .................4 Engine Model Number: SST16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303777 SST18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350777 Horsepower: SST16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.9 kW (16 hp) SST18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.4 kW (18 hp) Displacement: SST16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 480 cm3 (29.3 cu in.)

SST18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 570 cm3 (34.8 cu in.)

Bore and Stroke: SST16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 mm (2.68 in.)

SST18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 mm (2.84 in.)

SST16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 mm (2.60 in.)

SST18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 mm (2.76 in.)

Cooling Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air Cooled Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pressurized Oil Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Full Flow Filter (w/o By-Pass Valve) Engine Oil: With Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 L (1.6 qt) Without Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.4 L (1.5 qt) Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Paper with outer foam element Muffler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Horizontal discharge below frame Fuel Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Replaceable (In-Line Type) Aspiration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Normal

Tests and Adjustments Specifications Spark Plug Gap. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.76 mm (0.030 in.) Slow Idle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1500 ± 100 rpm Fast Idle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3350 ± 50 rpm Crankcase Vacuum (minimum). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.2 cm H2O (4 in. H2O) Intake Vacuum (minimum). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 cm Hg (13 in. Hg) Valve Clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.10 0.16 mm (0.004 - 0.006 in.) Valve Guide Depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.7 mm (0.281 in.) Oil Pump Operating Pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 - 517 kPa (10 - 75 psi) Engine

-

Briggs

and

Stratton

Specifications

-

15

ENGINE - BRIGGS AND STRATTON SPECIFICATIONS Repair Specifications Valves: Valve Guide: Standard Dimension. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.01 - 6.02 mm (0.236 - 0.237 in.)

Wear Limit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.05 mm (0.238 in.)

Valve Stem Standard Dimension: Intake. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.94 - 5.96 mm (0.234 - 0.235 in.)

Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.94 - 5.95 mm (0.234 - 0.235 in.)

Valve Stem Wear Limit: Intake. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.92 mm (0.233 in.)

Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.91 mm (2.328 in.)

Valve Seat Width. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 - 1.6 mm (0.047 - 0.062 in.) Valve Margin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.8 mm ( 0.030 in.) Valve Face Angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45° Valve Seat Narrowing Angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30° Cylinder Bore, Pistons and Rings: SST16 Cylinder Bore: Standard Dimension. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68.0 - 68.025 mm (2.677 - 2.678 in.)

Wear Limit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68.065 mm (2.6795 in.)

SST18 Cylinder Bore: Standard Dimension. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72.0 - 72.025 mm (2.835 - 2.836 in.)

Wear Limit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72.065 mm (2.837 in.)

Piston Pin: Standard Dimension. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.07 - 17.08 mm (0.672 - 0.673 in.)

Wear Limit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.06 mm (0.672 in.)

Piston Pin Bore: Standard Dimension. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.09 - 17.10 mm (0.673 - 0.674 in.)

Wear Limit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17.12 mm (0.674 in.)

Ring End Gap: Standard Dimension. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.20 - 0.40 mm (0.008 - 0.016 in.)

Wear Limit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.76 mm (0.030 in.)

Compression Ring Groove Wear Limit (New Ring Installed). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.10 mm (0.004 in.) Oil Ring Groove Clearance Wear Limit (New Ring Installed). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.20 mm (0.008 in.)

Connecting Rod and Crankshaft: Connecting Rod Crankpin: Standard Dimension. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37.06 - 37.08 mm (1.459 - 1.460 in.)

Wear Limit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37.11 mm (1.461 in.)

Engine

-

Briggs

and

Stratton

Specifications

-

16

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