6. Maintenance V10k automatic
28
EN
Injector W3T171367 up to 12. incl.
4 Screw out the clamping nut (17) with the
parts connected.
5 Remove the valve stem (21), replace the
o-ring (20).
6 Replace the valve stem (21) every 2 years.
7 Remove the securing clip (47).
8 Remove the clamping screw (17) and
spring (43).
9 Remove the clamping disc (44) and
replace o-ring (18)
10 Replace diaphragm assembly (41, 46, 40,
42, 45). Assemble with clamping screw
(17) and spring (43) and secure with clip
(47).
11 Remove plug (22), replace o-ring (8).
12 Press out valve seat (1) using a round rod,
replace together with o-ring (2). Press in
new seat with o-ring to the stop using a
round rod or plastic tube Ø16 mm with
even front, pay attention that the cone is
on the side of plug (17).
13 Place the stem (21) into the valve stem
guide (42) and screw in the clamping
screw (17) with assembled parts.
14 Screw in plug (22).
15 Replace the o-ring (27) in the gas inlet.
16 Screw in the tailway and connect to the
operation water tubing. Connect the gas
line.
17 Check for tightness and function.
6.4.3 Injector W3T171369 (3/4")
The position numbers refer to the drawing
WAE9828.
1 Put the chlorinator out of service, remove
all the chlorine gas out of the tubing.
Refer to 5.5.
2 Drain the operation water tubes.
3 Remove gas tubes from the injector.
Remove operation water tubes as far as
necessary for removing tailway and nozzle
from the injector.
4 Screw out tailway and nozzle.
5 Replace the o-rings.
6 Screw out inlet screw (1), remove valve
stem (4), replace o-ring (3) and spring
(12). Every two years replace the valve
stem (4)
7 Unscrew union nut (15), if necessary use a
strap wrench. On this injector the thread
of the union nut and the corresponding
thread on the body must not be greased.
Remove existing grease with alcohol.
8 Remove upper body (5).
9 Replace valve stem with ball head (13).
Pay attention not to damage the ball
head!
10 Remove diaphragm assembly (6, 9, 10)
11 Unscrew clamping nut (10) from the valve
seat (6), replace diaphragm (9), o-rings (7
and 14) and spring (11). Replace the valve
seat (6). Assemble (10, 6, 9, 7, 14, and 11),
tighten slightly with tongs.
12 Replace o-ring (8)
13 Place spring (11) on the clamping nut (10)
and place together with the diaphragm
assembly (6, 7, 9, 10, 14) into the body
(16).
14 Place upper body (5) and union nut (15).
Tighten slightly.
15 Turn upper body (5) with the gas inlet to
the desired direction, lock and tighten the
union nut.
16 Place the valve stem with spring (4 with 3
and 12), place o-ring (2) and screw the
inlet screw (1) in.
17 Screw in the nozzle (black with number)
and tailway (white with letter), pay atten-
tion for the flow direction!
18 Connect operation water lines.
19 Replace the o-ring (19) in the gas inlet.
Connect the gas line.
20 Check for tightness and function.
6.4.4 Injector W3T171370 (3/4")
The position numbers refer to the drawing
WAE9829.
1 Put the chlorinator out of service, remove
all the chlorine gas out of the tubing.
2 Drain the operation water tubes.
3 Proceed with actions described in 6.4.3.
Injector W3T171369 up to 12. incl.
4 Unscrew lower union nut (15), if neces-
sary use a strap wrench.
5 Remove bottom cover (20) and spring
(21).
6 Pull out diaphragm assembly with guide
pins (16), if necesary press equally on
both pins from the opposite side.
7 Replace o-rings (17)
8 Unscrew lower clamping nut (10) from the
disk (22).
9 Replace diaphragms (9, 2x) and o-ring (7)
10 Assemble diaphragms with o-ring, disk
and clamping nut. Every 5 years or when
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