Pull the piston rod until fully extended.
Check oil level. It should be about 145 mm (5.7 in.).
Push the piston rod all the way down and install the bottom valve assembly.
With the bottom valve assembly installed, check that the piston rod is fully
extended.
Hold the cartridge octagonal nut to prevent rotation.
Use a similar tool in the octagonal recess of the bottom valve assembly.
Tighten the bottom valve assembly to 29 Nm (21.4 ft/lb) using a wrench.
Hold the cartridge with the piston rod end pointing downwards as shown in the
gure.
Pump the piston rod up and down a dozen times to help oil reach all points of
the unit.
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