g337972
Figure22
1.Barrelnut3.Lowerjamnut
2.Upperjamnut4.Adjustmentcable
2.Tightenthelowerjamnutin3mm(1/8inch)
increments.
Note:Ahighernumberofbarrel-nutthreads
belowthebracketincreasesthetensiononthe
belt.
Important:Donotoveradjustthetension.
3.Engagethedriveleverandverifythatthespring
extends3to6mm(1/8to1/4inch);adjustthe
jamnutagainasneeded.
4.Tightenthebottomjamnut.
5.Ifthemowerstilldoesnotproperlyengageafter
adjustingthecable,adjustthejamnutforthe
secondcableunderthemowerdeck.
g337971
Figure23
1.Jamnut
MowerMaintenance
ReplacingtheMowerLine
ServiceInterval:Beforeeachuseordaily—Check
themowerlines.Replacetheline
whenitishalftheoriginallength.
Usea4mm(0.155inchdiameter)mowerline,witha
lengthof55cm(21-1/2inches).
Important:Donotallowthelinelengthstovary
morethan2.5cm(1inch).Otherwise,themower
headmaynotbebalancedandvibrateduring
operation.
Note:Keepthemowerlinemoisttoextenditslife,
maintainexibility,andeasereplacement.Storeextra
lineinwater.
1.Removethewornmowerlinefromtheline
retainer.
2.Cutnewmowerlineto55cm(21-1/2inches)or
usingthelengthguide(Figure24)asfollows:
A.Place1endofthelineat1markonthe
shield.
B.Bendthelinealongtheraisedportionofthe
shieldtothesecondmark.
C.Cutthelineatthesecondmark.
g338089
Figure24
1.Lengthguide
3.Threadtheendsofthenewmowerlinethrough
theouterloops(Figure25).
4.Crosstheendsoverthelineretainerandthreat
themthroughthecenterhole.
5.Ensurethattheendsofthelineareeven.
18