Piper SENECA II - Cleaning, Inspection and Repair; Disassembly

7-62. DISASSEMBLY.
a. Gar-Kenyon cylinder number 17000. (Refer to Figure 7-18.)
1. Remove the cylinder from its mounting bracket as per Paragraph 7-61.
2. To disassemble the cylinder, first remove the piston rod assembly by unscrewing the fitting(8)
from the cylinder.
3. The piston rod assembly may be disassembled by first removing the retaining ring (2) securing
the sleeve (3) and then removing the spring (4), piston (6), seal (7), fitting (8), and, if desired,
the large return spring (11).
4. Remove the O-rings from the piston and fitting.
b. Cleveland cylinder number 10-27. (Refer to Figure 7-19.)
1. Remove the cylinder from its mounting bracket per Paragraph 7-61.
2. To disassemble the cylinder, first remove the piston rod assembly by removing the retaining
ring (10) from the annular slot in the cylinder housing (1). Draw the piston rod assembly from
the cylinder.
3. The piston rod assembly may be disassembled by first removing the roll pin (15), spring (2),
and then the piston assembly (3), seal (5) and packing gland (7) and, if desired, the large return
spring (11).
4. Remove the O-rings from the piston and packing gland.
c. Cleveland cylinder number 10-30. (Refer to Figure 7-20.)
1. Remove the cylinder from its mounting bracket per Paragraph 7-61.
2. To disassemble the cylinder, first remove the piston rod assembly by removing the retaining
ring from the annular slot in the cylinder housing (1). Draw the piston rod assembly from the
cylinder.
3. The piston rod assembly may be disassembled by first removing the retaining ring (2), sleeve
(3), spring (4), and then the piston assembly, O-ring (5), and gland (8), and if desired, the
return spring (13).
4. Remove the O-rings from the piston and packing gland.
7-63. CLEANING, INSPECTION AND REPAIR.
a. Clean cylinder components with a suitable solvent and dry thoroughly.
b. Inspect interior walls of cylinder for scratches, burrs, corrosion, etc.
c. Inspect general condition of fitting threads.
d. Inspect piston for scratches, burrs, corrosion, etc.
e. Repairs to the cylinder are limited to polishing out small scratches and burrs, and replacing seal and
O-rings.
PIPER SENECA II SERVICE MANUAL
VII - LANDING GEAR AND BRAKE SYSTEM 04/30/07
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