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APV_SWmini4_GB-2_042020.indd
Single Seat and Change-over Valve
DELTA SWmini4
Instruction manual: GB – rev. 2
GB
APV
12. Service Instructions - Shut-off valve
12.3. Installation of wear parts
1.
Insert the guide bush (8) into the yoke (9). Insert the shaft seal (6)
and press in the slightly greased seat seal (7). See to the correct
mounting direction.
2.
Slightly grease the housing seal (5) and insert it into the groove of
the yoke.
3.
Install the seat seal (3) by means of the assembly tool (see item
15.) in the valve shaft (4).
4.
Place the washer (11) in the yoke (9). Mount the yoke at the
actuator (13).
5.
Slide the valve shaft (4) through the yoke (9) and the actuator (13),
place the centering washer (15) and tighten it with the safety nut
(16). Hold up the centering washer during this process.
6.
Insert the o-ring (20) in the actuator cover.
7.
Fasten the covering cap (17).
Valve design with proximity switch holder:
Fasten actuator screw (19) and proximity switch holder (18).
-
Valve design with control unit:
Fasten control unit (without cover).
Fasten guide rod extension (24) and actuator screw.
Tighten the cover.
12.4. Assembly of valve
1.
Carefully place the valve insert in the housing and slightly screw the
hex. screws (14) M5x12 in the threaded bore (do not tighten). The
housing seal (5) must not be damaged during this process.
2.
Connect compressed air supply.
3. Valve design NC:
Control actuator with air.
Do not reach for movable valve parts!
Risk of injury by sudden valve actuation.
4.
Tighten the hex. screws (14).
5.
Disconnect pneumatic air.
6.
Connect
electric
connections.
Plug proximity switches in their holders and fasten them.
7.
Valve design with steam chamber: Connect parts.
14
9
3
5
4
17
16
15
20
13
yoke
11
8
6
5
7