Terex PT-100G Forestry Service Manual page 104

Compact Track Loader
16. Hydraulic Component Service
16-2
4. Use an open end or pipe wrench to turn and
remove the end gland. (fig. 16-2)
End Gland
16-3
5. Use a pry bar or similar device to pull the rod and
piston from the cylinder. (fig. 16-3)
Piston
Ring
16-4
6. Inspect the piston surface, seals and rings for wear
or damage. If any component appears to be dam-
aged in any way, replace it. When inspecting the
piston surface, look for scratches. If any are pres-
ent that are deep enough to catch with your finger-
nail, the piston should be replaced. (fig. 16-4)
Note: Seal imperfections or scratches on the piston, bore or
rod or will cause internal/external leakage and impaired func-
tion. Defective components must be repaired or replaced.
Rod
Ring
Seals
16-2
Cylinder Tube Weldment
16-5
7. With the piston and rod removed from the cylinder,
inspect the cylinder bore for scratches or other
damage. If any are present that are deep enough
to catch with your fingernail, the cylinder tube
weldment should be replaced. (fig. 16-5)
16-6
8. Remove the nut from the rod end. (fig. 16-6)
16-7
9. Support the piston loosely from the underside (fig.
16-7), thread the nut partially on to protect the
threads and tap the rod end with a rubber or dead
blow hammer to free the piston from the rod.
10. Once loose, remove the nut and piston from the
rod.