Repair
10 334599L
5. For Model 19Y298 Only:
Remove piston rod from sleeve, or
remove sleeve from cylinder if only rod
was removed in previous step. Ensure
o-ring inside cylinder is removed.
6. Unscrew piston valve from piston rod.
7. Clean and inspect parts. The piston
has a special thread locking/sealing
patch. Apply thread sealant to the
threads, if needed.
Do not clean or wipe the piston valve
threads. Cleaning the piston valve
threads could destroy the special sealing
patch and cause the piston valve to come
loose during operation, causing a pump
burst and possible serious bodily injury.
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