Operator's Manual

6.Pullthestarterhandlelightlyuntilyoufeel
resistance,thenpullthehandlebriskly(Figure
37).Returnthestarterhandlegently.
g019747
Figure37
7.Aftertheenginestarts,graduallymovethe
chokeleverbacktotheOFFposition.Ifthe
enginestallsorhesitates,movethechokeback
totheONpositionagainuntiltheenginewarms
up.ThenmoveittotheOFFposition.
ShuttingOfftheEngine
Inanemergency,shutofftheenginequicklyby
pressingtheEmergencyShutoffswitchlocatedon
thecowl,holdingituntiltheengineandmovingparts
havestopped.
1.MovethethrottlelevertotheMINposition
(Figure35).
Note:Iftheenginehasbeenworkinghardor
ishot,letitidleforaminutebeforeshuttingoff
theengine.Thishelpstocooltheenginebefore
shuttingitoff.Inanemergency,shutoffthe
engineimmediately.
2.MovetheengineswitchtotheOFFposition.
3.MovethefuelvalvetotheCLOSEDposition,all
thewaytotheleft.
MixingtheMaterial
ConcreteBasics
DANGER
Eyeandskincontactwithconcretematerials
andbreathingthedustinvolvedishazardous
toyourhealth.
•Ensurethatthereisadequateair
ventilation.
•Wearadustmasktopreventinhalationof
dustwhileusingthemachine;refertoSafe
OperatingPractices(page4).
•Avoiddirectcontactofcementand
concretematerialswithskinandeyes.
Note:Followthemanufacturer’sinstructionsthatare
printedonthepackagingoftheproductthatyouare
using.
Concretehasthefollowing4basicingredients:
•Sand
•Gravel
•Portlandcement
•Water
Dependingontheapplication,youcanusedifferent
ratiosofthese4ingredients.Thetypicalratiofor
mixingconcreteis1partPortlandcement,2parts
sand,and3partsgravel.
Therearemanyvariationsofconcretemixrecipes,
dependingontheapplication.Itisimportanttouse
theappropriatequantityofwater.Usingtoolittlewater
resultsindryareasinthemix,butusingtoomuch
waterresultsinweakerconcrete.Theamountofwater
neededvariesdependingonmoisturecontentofthe
sandandgravel.Themixshouldhaveathickness
similartopeanutbutter.
Keepthepouredconcretedampforseveraldaysto
obtainpropercuring.Evaporationresultsinweaker
concrete.Concretecuresthroughhydration,a
reactionbetweenwaterandcement.
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