12. Maintenance Of Actuator; Removing The Actuator Screws; Installing The Seals And Assembling The Actuator - SPX FLOW APV D4 Instruction Manual

APV
APV_D4_D4SL_GB-3_022024.indd
fig. 12.: D4 Valve actuator
fig. 12.: D4 SL Valve actuator
24

12. Maintenance of Actuator

The item numbers refer to the spare parts drawings
D4 1,5"-4", DN40-100
D4 6", DN125-150
D4 SL 1,5"-4", DN40-100
19
D4 SL 6", DN125-150
12.1

Removing the actuator screws

1. Remove yoke cover and yoke.
2. Unscrew the two actuator screws (19) with an SW36 socket wrench.
3. Remove the V-seals (20) and O-rings (18).
12.2

Installing the seals and assembling the actuator

1. Install the slightly greased O-rings (18) and V-seals (20) in the
actuator screws (19). Check the correct installation position of the
V-seal (20).
Recommendation for actuator:
Pneumatic grease
(25 ml /tube
19
2. Place the assembly tool (H338580) on the end of the piston rod.
Screw the actuator screws (19) with a socket wrench SW36 over
the piston rod at both sides of the actuator and fasten them.
3. Re-install yoke and yoke cover.
19
19
RN 500.047.01
RN 500.047.03
RN 501.047.01
RN 501.047.03
- ref.-No. 000 70-01-008/93; H164725)
Actuator screw
Assembly tool
for actuator screw (H338580)
GB
20
18
Double Seat Mix Proof Valve
APV DELTA D4 / D4 SL
Instruction Manual: GB - rev. 3