Operator's Manual

5
Connectingthe
TractorUpperLink
(ModelsSR54-Sand
SR70-S)
Partsneededforthisprocedure:
1
Spring-loadedtoplink
3Linkpin
3Lynchpin
Procedure
1.Mountthespring-loadedtoplinktotheaerator
bracketwith2linkpinsandlynchpins(Figure9)
2.Loosenthelocknutonthetractorupperlink.
Adjusttheupperlinklengthuntilitalignswith
theclevisonthespring-loadedtoplinkofthe
aerator(Figure9).
g010966
Figure9
1.Spring-loadedtoplink
4.Lynchpin
2.Upperlink5.Locknut
3.Linkpin
3.Connectthetractorupperlinktotheclevison
thespring-loadedtoplinkandsecurewithalink
pinandlynchpin(Figure9).
4.Greasethethreadedsteelupperlinktubes.
5.Measurethelengthofthespringinthetoplink.
6.Rotatetheupperlinkuntilthespringis
compressedbyabout13mm(1/2inch)(Figure
9).
7.Tightenthelocknuttosecuretheupperlinkinto
position.
6
VerifyingtheHydraulicTop
LinkSetup
NoPartsRequired
Procedure
•Extendingthehydrauliccylinderincreasesthetine
depth.
•Fullyextendthehydrauliccylindertodetermine
thelocationofthetineheadsandtoverifyifthey
contacttheground.
Note:Onundulatingturf,theoperatorcanadjust
thecylindertomaintaintinedepth(crestingahill)
butitwillbenecessarytohavethetineheadsset
about5cm(2inches)belowground.
•Ifthetineheadscontacttheground,turfdamage
mayoccur.
Ifthetineheadscontacttheground,adjustthe
locationofthecylinderendstomovethetopofthe
aeratorclosertothetractor.
•Ifthetineheadsdonotcontacttheground,
extensionbrackets(includedwithaerator)canbe
installedtothetoplinktomovethetineheads
closertotheground.
Important:WhenconnectingthePTO,besure
thattheaeratorisnotbeingliftedhigherthan
isnecessary.Liftingthemachinetoohighwill
causethePTOshaftknucklestobreak(Figure10).
DonotleavethePTOturningwhentheaerator
israised.YoucanoperatethePTOuptoan
angleof25°,butdonotexceeda35°anglewhen
theaeratorisatitshighestposition;otherwise,
severeshaftdamagemayoccur.
11