Use the following tools to disassemble the cylinder:
MEL1074 – O-ring Seal Hook
Spanner Wrench
Hold the hydraulic cylinder over a drain pan and move the rod in and out slowly to remove the fluid from the cylinder.
Put the base end of the cylinder in a vise.
Use a spanner wrench to loosen the head [Figure 20-21-9].
Remove the head and rod assembly from the cylinder [Figure 20-21-10]. Put the rod end in a vise.
Remove the nut (Item 1), piston (Item 2) and head (Item 3) [Figure 20-21-10].
Piston: Remove the seal (Item 1), and O-ring (Item 2) from the piston (Item 3) [Figure 20-21-11].
Remove the wiper seal (Item 1), and rod seal (Item 2), the back up washer (Item 3), the thin O-ring (Item 4) and
the thick O-ring (Item 5) [Figure 20-21-12] from the head.
