Case 580SR Service Manual page 665

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Support the cylinder rod (2) and use the wrench
380000722 to loosen the cylinder head (6).
If necessary gently heat the gland carrier to soften
the thread sealant applied during manufacture.
Remove the stop ring (7)
Extract the cylinder head (6) from the cylinder barrel
(14) by tapping it with a plastic hammer. Remove the
cylinder rod (2) and the cylinder head (6).
IMPORTANT: be sure to pull the cylinder rod (2)
straight so as not to damage the sliding surfaces.
Loosen and remove the screw (13).
Extract the piston (10) and the cylinder head (6) from
the cylinder rod (2).
Only if necessary:
Z remove the wiper ring (3), the seal rings (4) and (5),
the back-up ring (8) with the O-ring (9) from the cyl-
inder head (6);
Z remove the piston seal (11) and the piston guide
ring (12) from the piston (10).
SECTION 35 - HYDRAULIC SYSTEM
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