DeZurik G-SERIES Руководство - Страница 8

Просмотреть онлайн или скачать pdf Руководство для Контроллер DeZurik G-SERIES. DeZurik G-SERIES 12 страниц. Lift, turn and reseat used on ptw & pfw tapered plug valves
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DeZURIK

Cylinder Operated G-Series Actuator

Disassembling Actuator

7. Mark the teeth of the rack and gear as shown in

Figure 3 and lift the gear sector out of the actuator;

be careful not to lose the actuator drive key.

8. Remove the nuts from the end of the rack rod.

9. Remove the screws or nuts fastening the cylinder

assembly to the housing and carefully remove the

cylinder assembly by sliding it away from the

actuator until the rack rod clears the actuator

housing.

10. Remove the rack from the housing.

11. Remove the rack bearing (if noticeable wear to

bearing) by prying it from the actuator housing.

12. Scribe corresponding lines on the valve and

adapter to be used for alignment during actuator reassembly.

13. Remove the screws fastening the adapter to the valve, and then lift the actuator and adaptor off

the valve.

14. Lift the rest of the actuator and the adapter off the valve.

Reassembling Actuator

Install new bearings and seals in the adapter and cover if necessary. See Figure 4 for proper

placement.

D10082

(Continued)

Figure 4 – Location of Actuator Seals and Bearings

Page 8

Figure 3 – Scribe Marks

October 2012