Installation, Operation and Maintenance Manual
󲷇H-A058-E-12󲷈 Diaphragm Valve, True Union Diaphragm Valve (15-50mm, 1/2”-2”) Pneumatic Actuated Type AI
24
Limit switch: 1LS19-J
Procedure
1) Fully open the valve by controlling volume of air.
2) Fix the stopper [51] with spanner wrench (Stopper
adjustment tool) and use spanner wrench to loosen
nut [52].
3) Loosen the stopper [51].
4) Adjustment for stopper [51]. (See page 22, 5)-10))
5) Fix the lower nut (No.70) [70n] with spanner
wrench and use spanner wrench to loosen the upper
nut (No.70)[70n].
6) Adjust the upper-lower position of limit switch
pushing plate [68].
7) Fix the lower nut (No.70) [70n] and use spanner
wrench to tighten the upper nut (No.70) [70n].
8) Check for the normal operation of limit switch.
(“Open position” and “shut position”)
Limit switch box: BPCR4MVAZ15
Procedure
1) Fully open the valve by controlling volume of air.
2) Fix the nut [52] with spanner wrench and use
spanner wrench to loosen nut [84n].
3) Fix the stopper [51] with spanner wrench (Stopper
adjustment tool) and use spanner wrench to loosen
nut [52].
4) Loosen the stopper [52].
5) Adjustment for stopper [51]. (See page 22, 5)-10))
6) Fix the nut [52] with spanner wrench and use
spanner wrench to tighten the nut [?].
7) Loosen the cover of limit switch box, and remove
the cover.
* Don’t loose O-ring.
8) Adjust the adjustment bolt (open-close side) with
driver (+).
9) Check for the normal operation of limit switch.
(“Open position” and “shut position”)
10) Install the cover of limit switch box.
Adjustment bolt
(Close side)
Adjustment bolt
(Open side)
Limit switch pushing boll
Nut (No.70) [70n]
Limit switch pushing plate [68]
Nut (No.70) [70n]
Stopper [51]
Nut [52]
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