g010840
Figure40
1.Aeratorhitchpin7.Tractorlinkpin
2.Hydraulictoplink
8.Clevisandlynchpin
3.Rotationalblock
9.2-1/2foothydraulichose
4.Connectinglink10.3-1/2foothydraulichose
5.3inchextensionblock11.Hosequickcouplings
6.5inchextensionblock12.Tractorhydraulicports
AdjustingtheHeadReturn
Springs
Youcanadjusttheheadreturnspringstoincreaseor
decreasethetension.Movingthespringtowardthe
frontoftheaeratorincreasesthespringtension,thus
increasingthedistancebetweenthespringmounting
posts.
1.DisengagethePTOandengagetheparking
brake.
2.Shutofftheengineandremovethekey.
3.Releasethespringtensiontothelinkagearm.
4.Removethenutsecuringthespringmounting
postbolttothelinkagearm(Figure41orFigure
42).
g024284
Figure41
SR72
1.Springmountingpost3.Spring
2.Bolt
g024285
Figure42
SR54,SR54-S,SR70andSR70-S
1.Springmountingpost3.Spring
2.Bolt
5.Removethemountingpostboltandthe
mountingpostfromthelinkagearmandreinsert
themintotheanotheradjustmenthole(Figure
41orFigure42).
6.Installthenutsecuringthespringmountingpost
bolttothelinkagearm.
7.Connectthespringtensiontothelinkagearm.
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