Service
6 332922D
5. Remove piston rod from sleeve, or remove sleeve
from cylinder. Mark IV, Mark VII, and APX 6200
models: Remove sleeve spacer (230) from sleeve.
6. Unscrew piston valve from piston rod. Clean and
inspect parts. The piston has a special thread lock-
ing/sealing patch. Do not remove the patch. The
patch allows four disassembly/assembly procedures
before it is necessary to apply thread sealant to the
threads.
7. Remove packings and glands from piston rod.
COMPONENT RUPTURE HAZARD
To reduce the risk of serious injury from pressurized
fluid, never use sharp or pointed tools to remove
sleeve. If the sleeve cannot be removed easily, return
the sleeve and cylinder to a Graco distributor for
removal.
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