Operator's Manual

whentousetheuppermountingholes,referto
ConnectingthePTOShaft.
SR54andSR54-SAeratorsonly
Note:Thehitchpinsandlynchpinsareshipped
installedontheSR54andSR54-SAerators.
4.Securethelowerlinkarmstotheaeratormounting
pinswithlynchpins(
Figure3).
Figure3
1.Aeratormountingpin3.Lynchpin
2.Lowerlink
SR48,SR70,SR70-S,SR72andSR75Aerators
only
5.Securethelowerlinkarmstotheaeratormounting
bracketswithhitchpinsandlynchpins(
Figure4).
Figure4
1.Hitchpin3.Lowerlink
2.Aeratormountingbracket4.Lynchpin
3
Connectingthe
HydraulicTopLink
(ModelsSR48,SR54,SR70,
SR72andSR75)
Partsneededforthisprocedure:
1Hydraulictoplink
1
Hydraulichose,3–1/2feet
1
Hydraulichose,2–1/2feet
2Extensionbracket
1Rotationalbracket
2Hosequickcouplings
Procedure
Note:Makesurethesuppliedcouplingsarecorrectfor
thetractor.Ifnot,itwillbenecessarytocontactthe
tractormanufacturertoobtainthecorrectcouplings.
Thetractormustbeequippedwithadoubleactingspool
valvewithanoperatorcontrolleverandtwo1/2inch
(12.7mm)quick-releasecouplingsattherearofthe
tractor.Twoquickcouplingshavebeenprovidedtot
tothehydraulictoplinkhoses(1/2–14NPTFhoseend
threadsize).
Thissectionwillbeusedtoinstallthehosesand
determinetheneedfortheextensionorrotationblocks.
Thisinformationwillhelptodeterminethedepthrange
oftheaerator.
1.Securetheconnectinglinkendofthehydraulictop
linktothetractorwiththepinssuppliedwiththe
tractor(
Figure5).Positionthehydraulictoplinkso
therodendistowardtheaerator.Thecylinderports
shouldbepositionedtowardthetractor'sauxiliary
powerhydraulics.
Note:Ifthehydrauliccylindermustbepositioned
withtheportsfacingupward,usetherotationalblock
insteadofthestandardmountingblocktoreposition
thecylinder(
Figure5).A90degreehydraulictting
maybeusedinsteadoftherotationalblock(ttings
arenotsupplied).
Installtherotationalblockasfollows:
A.Removethecotterpinandpinsecuring
thestandardconnectinglinktothecylinder
10