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24
Inner Shaft and Sealhead Removal
Wrap and hold a cloth shop towel tightly over and around the seal
head and wrench.
A small amount of air pressure may be released when the seal head is
completely unthreaded. Do not remove the shop towel from over the
seal head until the seal head is completely unthreaded.
Slowly unthread the seal head while holding the shop towel
firmly
over
the wrench and seal head until the sealhead rotates with no resistance.
Remove the wrench and unthread the sealhead by hand while holding
the towel over the sealhead. Slide the sealhead up and out of the
upper post. Remove the shop towel.
Carefully remove the seal head and inner shaft assembly from the
upper post, and set it aside on a clean shop towel.
⚠WARNING - EYE HAZARD
In the event there is any remaining air pressure inside the upper post
assembly, the shop towel will prevent the internal seal head from
dislodging from the upper post during removal. Failure to do so may
allow the inner seal head and inner shaft to separate from the upper
post assembly at high velocity during disassembly.
Keep your face and eyes away from the seal head while it is being
unthreaded and removed. Wear safety glasses.
Remove the upper post from the vise and pour the hydraulic fluid into
an oil pan or container.
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