Case 580SR Service Manual page 661

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Support the cylinder rod (1).
Unscrew and remove the safety screw (8).
Use the wrench 380000725 to loose the cylinder
head (7).
If necessary gently heat the gland carrier to soften
the thread sealant applied during manufacture.
Remove the cylinder head (7) from the cylinder bar-
rel (15) using a plastic hammer. Remove the cylinder
rod (1) and the cylinder head (7).
IMPORTANT: be sure to pull the cylinder rod (1)
straight so as not to damage the sliding surfaces.
Loosen and remove the screw (14). Extract the pis-
ton (11) and the cylinder head (7) from the cylinder
rod (1).
Only if necessary:
Z Remove the wiper ring (3), the seal rings (4) and
(5), the guide bush (6) and the back-up ring (9) with
the O-ring (10) from the cylinder head (7).
Z Remove the piston seal (12) and the piston guide
ring (13) from the piston (11).
SECTION 35 - HYDRAULIC SYSTEM
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