Assembly(Figure157)(continued)
A.Ifroddiameteris16mm(0.630in),torquelocknutfrom41to47N·m
(30to35ft-lb).
B.Ifroddiameteris19mm(0.750in),torquelocknutfrom82to94N·m
(60to70ft-lb).
5.Lubricateheadandpistonwithhydraulicoil.Carefullyslideshaftassembly
intocylinderbarrel.
IMPORTANT
Preventdamagewhenclampingthecylinder’sbarrelintoavise;
clampontheclevisonly.Donotcloseviseenoughtodistortthe
barrel.
6.Mountliftcylinderinavisewithsoftjaws.Secureheadinbarrel:
A.Alignretainingringholeintheheadwiththeaccessslotinthebarrel.
B.Inserttheretainingringhookintotheholeandrotateheadclockwiseuntil
theretainingringiscompletelypulledintothebarrelandtheringends
arecovered.
C.Applysiliconesealertobarrelaccessslot.
Groundsmaster
®
4500-D/4700-D
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HydraulicSystem:ServiceandRepairs
19245SLRevA