15
Parker Hannifin Corporation
Helac/Cylinder Division
Enumclaw, Washington USA
www.helac.com
Helical, Hydraulic Rotary Actuators
L20 Series Service & Repair Manual
Catalog HY34-1120
Disassembly
Disassembly
20. Remove the outside diameter piston seal
(202) from the piston.
21.
Remove the inside diameter piston seal
(200).
19.
Remove the O-ring (206) from its groove
in the end cap (04) and shaft (02).