Toro Groundsmaster 1200 - Page 66

DisassemblyoftheCuttingUnitLiftCylinder(continued)
IMPORTANT
Preventdamagewhenclampingthecylinder’sbarrelintoavise;
clamponthebarrelclevisonly.Donotcloseviseonbarrel.
2.Mounttheliftcylinderinviseequippedwiththesoftjawsbyclampingin
thebarrelclevis.
3.Removethe2setscrewsfromthecollarandremovethecollarfromthe
cylinderbarrel.
4.Extractshaftassembly(7)withhead(8)andpiston(2)bycarefullytwisting
andpullingtheshaft.
IMPORTANT
Whensecuringshaftinavise,clampontheshaftclevisonly.Donot
clampvisejawsagainsttheshaftsurface.
5.Mountshaftsecurelyinavisebyclampingontheclevisoftheshaft.Remove
thelocknut(1)fromtheshaft.Slidetheshaftandheadofftheshaft.
6.Removethepistonseal(4),andO-rings(3and5)fromthepiston(2).
RemovetheO-ring(9),back-upring(10),dustseal(13),squareO-ring(14)
andBTseal(12)fromthehead(8).
7.Washpartsincleansolvent.Drypartswithcompressedair.Donotwipeparts
drywithpapertowelsorcloth.Lintinahydraulicsystemwillcausedamage.
8.Carefullyinspecttheinternalsurfaceofbarrelfordamage(deepscratches,
out-of-round,etc.).Replaceentirecylinderifanyparts(otherthanseals)
aredamaged.
AssemblyoftheCuttingUnitLiftCylinder
1.Ensurethatallpartsarecleanbeforeassembly.
2.CoatnewO-rings,pistonsseal,rodseal,back-upringanddustsealwith
cleanhydraulicoil:
A.Installthepistonseal(4),andO-rings(3and5)tothepiston(2).
B.Installtheback-upring(10),BTseal(12),O-ring(9)anddustseal(13)
tothehead(8).
IMPORTANT
Whensecuringtheshaftinvise,clampontheshaftclevisonly.Do
notclampvisejawsagainsttheshaftsurface.
3.Mountshaftsecurelyinaviseequippedwithsoftjawsbyclampingonthe
shaftclevis:
A.Coatshaftwithcleanhydraulicoil.
B.Slideexternalcollar(11),headassembly(8)andpistonassemblyonto
theshaft.
HydraulicSystem:ServiceandRepairs
Page4–12
Groundsmaster®1200Pull-BehindRotaryMower
18235SLRevA