Service Instructions - Actuator; Maintenance Of Actuator; Dismantling Of Seals; Installation Of Seals And Assembly Of Actuator - SPX FLOW APV DELTA SDMS4 Instruction Manual

APV
APV_SDMS4_UK-0_112017.indd
seal screw
piston rod
fig. 13.3.
seal screw
19

13. Service Instructions - Actuator

13.1.

Maintenance of Actuator

See spare parts drawing and spare parts list
Actuator:
v-seal
1. Remove the air hoses from the actuator.
o-ring
2. Remove the inner hexagon screws from the adapter of the
control unit.
- Remove the adapter.
13.2.

Dismantling of seals

air connection
1. Unscrew the two seal screws with a wrench SW 30 while holding
up the actuator with a strap wrench.
2. Remove o-rings and v-seals.
13.3.

Installation of seals and assembly of actuator

v-seal
1. Install the slightly greased o-rings and v-seals in the seal screws
(fig. 13.3).
o-ring
See to the right direction of installation of the v-seal.
2. Slide the seal screws over the piston rod at both sides of the
actuator and tighten them.
3. Fasten the adapter of the control unit and the yoke on the actuator.
Attention:
Attention:
4. Fasten the air hoses.
RN 01.054.86
Observe the position of the adapter.
Consider the required valve design NC or NO
during the installation of the adapter and the
yoke.
NC (FS) = normally closed
NO (FH) = normally open
Double seal valve with diaphragm and ,,fan support"
UK
DELTA SDMS4
Instruction Manual UK-rev.0