SPX APV DELTA SDU4, Руководство по эксплуатации, Страница: 17 / 39

12
10. Service Instructions
III. Actuator
Spare parts list RN: 01.054.86
a. Remove the air hoses from the actuator.
b. Take the inner hexagon screws out of the adapter (24) of the
control unit.
c. Screw off the two seal screws (1) by holding against the actuator by
a strap wrench. Remove the O-rings (3) as well as the V-seals (2).
IV. Installation of seals and assembly of actuator
a. Install the slightly greased O-ring (3) and the V-seal (2) in the seal
screw (1).
See to the correct direction of installation of the V-seal.
b. Push the seal screws over the piston rod at both sides of the
actuator and tighten them.
c. Fasten the adapter for the control unit and the yoke at the actuator.
Attention: Observe the position of the adapter.
d. Install the air hoses.
Double Seal Change-Over Valves
Delta SDU 4
Operating Manual Rev. 1
UK