11
12
13
10
9
12
14
16
17
15
6
19
4
3
5
13
APV_AP1_UK-1_102018.indd
UK
Aseptic Process Valve
DELTA AP1 / APT1
Instruction Manual: UK - rev. 1
APV
11. Service Instructions
11.3.
Disassembly and maintenance of actuator unit
The item numbers refer to the spare parts drawings
AP1, APT1: actuated design RN 01.064.8
-
Design with valve position indicator:
Remove the cover of the valve position indicator (22).
Turn off the actuating pin (24) with the wrench SW4.
Remove the adaptor plug (23) from the actuator cover.
-
Design with proximity switch holder:
Remove the proximity switch (26).
Remove the proximity switch holder (25) from the actuator
cover (10). Turn off the indicator pin (13) with a nipper.
Attention! Do not damage the indicator pin.
1.
Turn off the thread pin (11) and remove the o-ring (12).
2.
Turn the actuator cover (10) with the wrench SW12 off the actuator
(6). Remove the o-ring (9) and the o-ring (12).
3.
Pull the pressure spring (14), disc (16) and piston rod (17) to the top
off the actuator. Remove the piston seal (15) from the piston
4.
Turn off the safety indicator screw (19) with the wrench SW3.
Remove the fan (3) and diaphragm support (4) to the bottom out of
the actuator. Remove the quadring (5).
5.
All seals can be serviced.