Maintenance Of Actuator; Removing The Actuator Screws; Installing The Seals And Assembling The Actuator - SPX FLOW APV DA4 Instruction Manual

APV
APV_DA4_UK-1_102018.indd
fig. 12.1
fig. 12.2
actuator screw
Double Seat Mix Proof Valve
APV DELTA DA4
Instruction Manual: UK - rev. 1

12. Maintenance of Actuator

The item numbers refer to the spare parts drawings
DIN and Inch designs:
20
12.1

Removing the actuator screws

1. Unscrew the two actuator screws (20) with an SW36 socket wrench.
2. Remove the V-seals (24) and O-rings (23).
12.2

Installing the seals and assembling the actuator

1. Install the slightly greased O-rings (23) and V-seals (24) in the
actuator screws (20) (fig. 12.2). Check the correct installation
position of the V-seal (24).
Recommendation for actuator:
Pneumatic grease
(25 ml /tube
2. Place the assembly tool (H338580) on the end of the piston rod.
Screw the actuator screws (20) with a socket wrench SW36 over
the piston rod at both sides of the actuator and fasten them.
20
24
23
RN 502.047.01
- ref.-No. 000 70-01-008/93; H164725)
Assembly tool
for actuator screw (H338580)
UK
23