Evoqua WALLACE & TIERNAN S10k, Инструкция по эксплуатации

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60
WT.025.200.000.DE.IM 0517
Maintenance
S10k
6.
6.8.7 Injector W3T171367 (1")
The position numbers refer to the drawing W3T171367.
1 Put the chlorinator out of service, remove all the chlorine gas
out of the tubing.
2 Drain the operation water tubes.
3 Remove gas tubes from the injector. Remove operation water tubes
as far as necessary for removing the tailway from the injector.
Screw out the tailway (marked with a letter)
4 Replace both O-rings. If necessary, screw away the die from
the tip of the tailway and tighten again.
5 Loosen the 6 bolts (width 13 mm, Pos. 15), take away the
cover (13) and put aside, the bolts still in the holes.
6 Remove diaphragm (11) with clamping nut (10, 7, 6) and
spring (9).
7 Unscrew the clamping nut (10) from the valve seat (6).
8 Replace the diaphragm (11), spring (9) and the O-rings (5 and
7). Every two years replace the valve seat (6), every 5 years
replace the clamping nut (10).
9 Assemble diaphragm, valve seat and clamping nut, place
spring. Put aside on a clean cloth.
10 Replace O-ring (12)
11 Replace valve stem with ball head (16) and O-ring (7). Pay
attention not to damage the ball head!
12 Place the diaphragm assembly with spring over the bolts (15)
of the cover and press down to the body (3), turn the gas inlet
to the desired direction and make the bolt holes fit.
Insert the bolts and tighten equally (6 Nm).
13 Turn out the plug (17), replace the O-ring (18).
14 Take out the valve stem (21), replace spring (19) and O-ring
(20), every 2 years replace also stem (21).
15 Turn out plug (22) with large screw driver. Replace O-ring (8).
16 Press out valve seat (1), 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).
17 Place the stem (21) into the plug (17) and screw the plug in.
Check the stem for free movement.
18 Screw in the plug (22) with O-ring (8).
19 Replace the O-ring (27) in the gas inlet.
20 Screw in the tailway and connect to the operation water tube.
Connect the gas line.
21 Check for tightness and function.