Briggs & Stratton 190700 Series Manual

Briggs

Stratfon

OPERATING

AND

MAINTENANCE

INSTRUCTIONS

MODELS

190700

190707

191700to191707

IIMTHEINTERESTOFSAFETY,DONOTRUNENGINEATEXCESSIVESPEEDS

Operating

engine

excessivespeedsincreases

the

hazard

personalinjury.

DONOT

TAMPERWITHPARTSWHICHWlAY

INCREASE

THE

GOVERNEDSPEED.

Forrotarylawnmowersafety,

USA

StandardSafetySpecifications

for

PowerLawnMowersspecify

maximuinblade

tip

speed

of19,000feet

per

minute,primarily

reduce

the

hazardfromthrownobjects.

Rotarylawnmowermanufacturersselect

the

governed

top

speed

ofthe

enginebased

onthe

length

and

design

ofthe

cutter

blade

and

design

othermowerparts.

Allrotarylawnmowersshould

checked

for

conformance

totheUSA

StandardSafetySpecifications

for

PowerLawnMowers

onblade

tip

speed,

ifthe

engine

repaired

replaced,

orif

mowerparts

are

changed.

Dirt

and

grassclippings,

otherdebris,

coolingfins

governorparts

can

affectenginespeed.

See

cleaninginstruc-

tions

Section

3. CAUTION

TOPREVENTACCIDENTALSTARTINGalwaysremove

the

sparkplugbeforeworking

onthe

engine

equipmentdriven

bythe

engine

removecablefromsparkplug

and

insertterminal

V-notch

cylinderheadcover.

NOTRUNTHE

ENGINE

INAN

ENCLOSEDAREA.Exhaustgasescontaincarbonmonoxide,

odorless

and

deadlypoison.

NOT

FILLGASOLINETANKWHILEENGINE

RUNNING.Spillinggasoline

ona hot

engine

may

cause

fire

explosion.

Section

1 BEFORESTARTING

FILLSUMPWITHOIL- Usea highqualitydeter-

gentoilclassified"ForServiceSCorSDorMS".

Nothingshouldbeaddedtotherecommendedoil.

SUMMER

(Above

40°F.)

UseSAE

not

available.

Use

SAE

10W-30

SAE10W-40

WINTER

(Under

40°F.)

UseSAE5W-20

orSAE

5W-30

not

available.

Use

SAE10WorSAE

10W-30

Below

0°F,

Use

SAE10WorSAE

10W-30

Diluted

10%

withKerosene

DIRECTIONS:Placetheenginelevel.Removecapand

dipstickandfilltofullmarkondipstick.Whencheck-

ingoillevelpushdipstickassemblyfirmlybutslowly

untilcapbottomsontube.Donotoverfill.Dipstick

assemblymustbepushedfullyintotubeatalltimes

whenengineisoperating.Forenginesnotequipped

withextendedoil

fill,

FILLTHEOILSUMPTOOVER-

FLOWING.Pourslowly.Capacity2-1/4pints.

FILLFUELTANK- Useclean,fresh,lead-freeor

leaded"regular"gradeautomotivegasoline.Fill

tankcompletelyI

LOOK

FOR

MODEL,

TYPE

rMi

CI,

NUMBERS

OILFILLHERE

DONOTMIXOILWITHGASOLINE.

FORMNO.270676-62

PRINTEDIN

U.S.A.

BRIGGS

STRATTONCORP.

Milwaukee,Wisconsin53201

Section

STARTING

©BESURETHESTOPSWITCHISAWAYFROiVl

SPARKPLUq,

CAUTION:

ALWAYSKEEPHANDSANDFEETCLEAR

OFMOWERBLADEOROTHERROTATINGMACHINERY.

®OPENFUELVALVE

(T)CHOKETHECARBURETOR

ManualType•

Moveleverindirectionofarrowtofullyclosedchoke

position.

Setgovernorcontrolinnormaloperatingpo-

sition.

b.Choke-A-Matic

Moveleverto"FullChoke"or"Start"position.

Note:Thisshouldfullyclosechokeoncarburetor.If

itdoesnot,remotecontrolmustbere-adjusted.See

"Choke-A-MaticCarburetor"Adjustments,Section4.

Note:A warmenginerequireslesschokingthana cold

engine.

.Ji^)START

ENGINE

RewindStarter

Graspstartergripasillustratedandpulloutcordrap-

idly.

Repeatifnecessarywithchokeopenedslightly.When

enginestartsopenchokegradually.

b.RopeStarter

Windthestarterropearoundthepulleyindirection

shownbyarrow.Pulltheropewitha quickfullarm

stroke.

Repeatifnecessarywithchokeopenedslightly.When

enginestartsopenchokegradually.

c.ElectricStarter

Pressstarterbuttononpoweredequipment.Whenen-

ginestartsopenchokegradually.

CAUTION:

The110voltelectricstarterisequipped

witha three-prongplugforyoursafety.Ifa longer

cordisuseditshouldalsohavethree-prongandthree-

holeplugs.

Iftheoutletorreceptacleisthetwo-holetype,ana-

daptermustbeused.Togetpropergrounding,fasten

thegroundleadontheadaptertosomethingelectric-

allygrounded,suchasthemetalboxontheendofa

groundedmetalconduit.

OpeningFuelValve

ManualType b.Choke-A-Matic

RewindStarter b.RopeStarter

PROPERUSEOF

ADAPTERON

110VOLT

APPLICATION

3PRONGPLUG GROUNDWIRE

ProperGrounding

FORMNO.270676-62 2

Section

2 STARTIIMG(cont'd)

SPECIAL

LOW

TEMPERATURESTARTIIMG PROCEDURE

Turnneedlevalve

carburetor,

1/8

turncounterclock-

wisefromnormalsummeradjustment.Note:

fueldrips

outof

carburetorwhiletrying

startengine,

the

engine

isoverchoked.Pullstarterseveraltimes

pushstarterbuttonwithchokeopen.

2.Be

sure

tousethe

proper

weight

ofoilfortheair

temperatureexpected.

Disconnect

all

externalloads.

Any

V-beltdrivesmust

bere-

moved

loosened

that

the

belts

are

standingstill

for

satisfactoryoperationbelowfreezing.Starter,motor

andbattery

are

designed

start

the

engineonly.

Keepbattery

and

enginewarm

possible.

Ifitisnot

possible

keep

the

entireunitwarm,there

isa big

advantage

keeping

the

batterywarmuntil

itis

required

forstarting.

warmbatt

ryhas

muchmorestartingcapacitythan

coldbattery.

STOPENGINE

ManualChoke

Push

the

stopswitchagainst

endof

spark

plug.

Choke-A-Matic

Movecontrollever

"Stop"position.

ManualType

Choke-A-Matic

Section

3 MAINTENANCE

MjCHECK

OIL

LEVELbeforestartingengine

and

after

^every

hours

operation.

sure

oil

level

main-

tained

FULLPOINT

OVERFLOWING

orto

FULL

MARK

dipstick.

(T^CHANGEOIL

afterfirst

hours

operation. There-

afterchange

oil

every

hours

operation.Remove

oildrainplug

and

drain

oil

whileengine

warm.

Re-

placedrain

plug.

Removedipstick

oroil

fillerplug

andrefillwith

newoilof

propergrade.Replacedip-

stick

plug.

CLEAN

AIR

CLEANER

and

re-oilelementevery

hours

undernormalconditions.

Remove

two

screws

and

lift

off

complete

air

cleaner

assembly.

Removescreen

and

spacersfromfoamelement.

3.Removefoamelementfrom

air

cleanerbody.

—Washfoamelement

kerosene

liquiddeter-

gent

and

water

removedirt.

B—Wrapfoam

cloth

and

squeeze

dry.

C—Saturatefoam

engine

oil.

Squeeze

remove.

D-Assembleparts-fasten

carburetorwithscrew.

Whenassemblingmakecertain

thelipofthe

foamele-

mentextendsoveredge

oftheair

cleanerbody.

The

foamelement

lip

willform

protective

seal.

CHECKINGOIL

OILLEVEL

Check

Oil

Level Change

Oil

TANGS

«Sinomn

Cleaning

Air

Cleaner

Section

MAINTENANCE

(cont'd)

(T)CLEANCOOLINGSYSTEM

Grass,chaff

dirt

may

clog

theair

coolingsystem,especiallyafterprolonged

servicecutting

dry

grasses.

avoidoverheating

and

enginedamage,remove

the

blowerhousing

and

clean

theareashown.Thisshould

bea

regularmaintenance

operation.

(T^CLEAN

FUELSYSTEM

Drain

and

cleanfueltank.

(T)CLEANSPARKPLUG

Clean

and

reset

gapat.030"

every

100

hours

operation.

CAUTION:

Blastcleaning

sparkplugs

machines

that

use

abrasivegrit

isnot

recommended.Sparkplugs

should

cleaned

scraping

wirebrushing

and

washingwith

commercialsolvent

gasoline.

WITHINHEAVY

LINECLEAR

ALL

CEBRIS

CleanCoolingSystem

Section

4 ADJUSTMENTS

CARBURETORADJUSTMENTS

Minorcarburetoradjustment

maybe

required

com-

pensate

for

differences

fuel,

temperature,altitude

and

load.

ToAdjustCarburetorTurnneedlevalveclockwise

until

justcloses.Caution:Valve

maybe

damaged

byturning

itintoofar.

Nowopenneedlevalve

1-1/8

turnscounterclockwise.

Closeidlevalve

samemanner

and

open

1-1/8

turns.

Thisinitialadjustmentwillpermit

the

engine

tobe

started

and

warmed

prior

finaladjustment.

IDLESPEED

ADJUSTINGSCREW

NEEDLEVALVE

FinalAdjustmentTurnneedlevalve

untilenginemisses(leanmixture).Thenturn

itout

pastsmoothoperat-

ingpointuntilenginerunsunevenly(richmixture).

Now

turnneedlevalve

tothe

mid-pointbetweenrich

and

lean

the

enginerunssmoothly.Holdthrottle

idleposition

andset

idlespeedadjustingscrewuntilfastidle

obtained

(1750RPM).

Holdthrottle

idleposition

and

turnidlevalve

(lean)

andout

(rich)untilengineidles

smoothly.Thenresetidlespeedadjustingscrew

thatengineidles

at1750RPM.

Releasethrottle

engine

shouldacceleratewithouthesitation

sputtering.

enginedoes

not

accelerateproperly,

the

carburetorshould

bere-adjusted

toa

slightlyrichermixture.

ADJUSTMENTS

(cont'd)

CHOKE-A-MATICCARBURETORCONTROLS

ADJUSTMENT

Properchoke

and

stopswitchoperation

dependent

uponproperadjustment

remotecontrols

onthe

pow-

eredequipment.

ToCheckOperation

Choke-A-MaticControls;

Moveremotecontrollever

"Choke"position.

The

carburetorchokeshould

closed.

Moveremotecontrol

"Stop"position.Governor

controllevershouldmakefullcontactwithstop

switch.

SPEEDCONTROLADJUSTMENTS

Thecorrectoperatingspeedrange

is1800to

3600

RPM.

Idlespeed

is1750RPM.

There

are

severaltypes

speedcontrols

theseengines.Select

the

control

yourengine.

increaseenginespeedmovecontrol

indirection

arrow.

ToAdjust:

Placeremotecontrollever

equipment

FAST(high

speed)position.Loosencontrolcasingclampscrew

"C".

Movecontrolcasing

"A"and

wireuntillever

"E"

lines

withbottomedge

tang

"F".

Tighten

casingclampscrew

"C".

GENERALINFORMATION

Theseengines

are

singlecylinder,L-head,air-cooledtype

MODELSERIES

190700

190707

and

191700

191707

Bore

Stroke2-3/4"

Displacement

19.44cu.in.

Horsepower

8.0H.P.max.

@ 3600

RPM

Torque

(Ft.Lbs.)12.7max.@

2500

RPM

Thehorsepowerratingslistedabove

are

established

inaccordancewith

the

Society

AutomotiveEngi-

neersTestCode-J607.

For

practicaloperation,

the

horsepowerloadingshould

not

exceed

85%of

these

ratings.Enginepowerwilldecrease

3V2%for

each

1,000feetabove

sea

level

and1 % for

each

10°

above

60°

TUNE-UPSPECIFICATIONS

SparkPlugType

A.C.

AutoliteChampion

ShortPlugCS-45

A7NCJ-8

LongPlugGC-46

A71J-8

SparkPlug

Gap030"

IgnitionPoint

Gap020"

IntakeValveClearance

005"- .007"

ExhaustValveClearance

009"-

.011"

STORAGEINSTRUCTIONS

Engines

tobe

storedover

daysshould

complete-

lydrained

fuel

prevent

gum

depositsforming

essentialcarburetorparts,fuelfilter,fuellines

and

tank.

Drainfueltankcompletely.

Operateengineuntilgasoline

carburetor

com-

pletelyconsumed.

c.Whileengine

stillwarm,drain

oil

fromcrankcase.

Refillwithfresh

oil.

Removespark

plug,

pourlounce(2

or3

tablespoons)

ofSAE-30

oil

intocylinder

and

crankslowly

dis-

tribute

oil.

Replacespark

plug.

e.Cleandirt

and

chafffromcylinderheadfins

and

blowerhousing.

(See

Section

3).

Section

SERVICE

REPAIRINFORMATION

Ifservice

repair

needed,contact

Authorized

Briggs

StrattonServiceCenter.

serve

you

prompt-

and

efficiently,

the

ServiceCenterwillneed

the

model,

type

and

codenumber

yourengine.

(See

Section

7).

EachAuthorizedServiceCentercarries

stock

originalBriggs

Strattonrepairparts

andis

equipped

withspecialservicetools.Trainedmechanicsassure

expertrepairservice

onall

Briggs

Strattonengines.

Yournearestservicecenter

listed

inthe

'YellowPages'

under"Engines,Gasoline"

"GasolineEngines".

Heisone

ofover13,000authorized

deal-

ersavailable

serve

vou.

FORREPAIRS

AND

SERVICECONTACT

THEDEALERDISPLAYINGTHISSIGN

Section

WARRANTY SAVETHISSECTION

FOR

YOURRECORD

BRIGGS

STRATTONENGINEWARRANTY

For

ONE

YEARfrompurchasedate,Briggs

StrattonCorp.willreplace

for

the

originalpurchaser,FREE

OFCHARGE,

any

part,

parts,founduponexaminationbyanyFactoryAuthorizedServiceCenter,

the

Factory

Milwaukee,Wisconsin,

tobe

DEFECTIVE

MATERIALAND/ORWORKMANSHIP.

Alltransportationcharges

partssubmitted

for

replacementunderthisWarrantymust

borne

purchase--.

There is no oiher Warranty express or

implied.

Briggs & Stratfon

Corp.

shall in no event be liable for

consequential damages. /

BRIGGS

STRAHONCORP.

SHIELY

PRESIDE'NT

NOTE:

Tne

Briggs

StrattonEngineWarrantydoes

not

coverbreakage

parts

damage

parts

due

abuse

failure

the

recommendedmaintenanceprocedures.

The

warrantyalsoexcludes

any

accessories,controls

orequipmentwhich

arenot

manufactured

Briggs

StrattonCorporation.

Ifwarrantyservice

neededcontactyournearestAuthorizedServiceCenter.

For

PromptAttentionyourcenter

willneed

know

the

enginemodel,type

and

codenumber,

the

troubleexperienced

andthe

totalnumber

hours

theengine

hasrun.

you

differwith

the

decision

ofa

ServiceCenter

ona

warrantyclaim,

askthe

ServiceCenter

tosubmit

all

supportingfacts

tothe

Factory

for

review.

Ifthe

Factorydecidesthatyourclaim

justified,

you

will

fullyreimbursed

for

thoseitemsaccepted

defective.

FILL

THE

REQUIREDINFORMATION

FOR

YOURRECORD:

(SeeDecal

BlowerHousing

for

Model,Type

and

CodeNumber)

EngineModel

No./'j^Z^S-

yJ^Pf

^7^^ ~^ ^

DealerPurchasedFrom

y^^OyO^

/l^r^

.40^^^

^,4k^ZfCe^—

Type

Equipment

Code

No.T^lOMM—

Date

-^ayMI9y^

Name

Trademark

EquipmentManufacturer

3RIGGS

STRATTONENGINES

ARE

MADEUNDER

ONEOR

OFTHE

FOLLOWING

PATENTS:

2,669,3222,796,453

3.114.85

3,149.6183,194,2243,252,449

DESIGN

2,693,789

2,999,491

3,118,4333,165,0943,236,9373,276.439

D-191.806D-196,017D-197,175D-213,476

2.693,791

2,999,562

3,144,0973.168,936

3,242,741

3.378.099

OTHER

P A T E NT

P E N

N G

3,415.237

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