Spirax Sarco PN 3000 Series, Инструкция по установке и обслуживанию

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3.561.5275.201 13
5.3 PN4000 Series
5.3.1 Diaphragm Kit - How to Fit
Remove actuator from valve as described in
Section 5.1. Loosen and remove housing screws (16) and remove housing lid (1), as described
in Section 5.2.1.
Using two spanners whilst holding actuator spindle (5), loosen plate locknut (6). Remove
diaphragm clamp (10) and diaphragm (2).
Refit new diaphragm reassembling all items in reverse order. Using two spanners, whilst holding
actuator spindle tighten plate lock nut. Refer to Table 1 for torque rating.
While supporting the actuator spindle so that the diaphragm sits evenly in the lower housing, refit
top housing and securing nuts and bolts, as described in Section 5.2.1.
5.3.2 Spring Kit - How to Fit
Remove actuator from valve as described in
Section 5.1. Loosen and remove housing screws (16) and remove housing lid (1), as described
in Section 5.2.1.
Using two spanners whilst holding actuator spindle (5), loosen plate locknut (6). Remove
diaphragm clamp (10), diaphragm (2), diaphragm plate (3), spacer (7) and "O" ring (8).Remove
springs taking note of their location.. Replace new springs locating in the same position of the
previous set.
Refit all other items in reverse order. Using two spanners, whilst holding actuator spindle tighten
plate lock nut. Refer to Table 1 for torque rating.
While supporting the actuator spindle so that the diaphragm sits evenly in the lower housing, refit
top housing and securing nuts and bolts, as described in Section 5.2.1.
5.4 PN3000 & PN4000 Series
5.4.1 Stem Seal Kit - How to Fit
Remove actuator from valve as described in Section 5.1.
Remove top housing and dismantle as descrIbed in Section 5.2, removing all components
including springs and diaphragm plate clamp.
Withdraw actuator spindle. Remove "V" ring (12) taking care not to damage spindle bearing (11).
Smear new "V" ring with silicon grease and replace. Refit actuator spindle taking care not to
damage "V" ring or bearing. Re-assemble components in reverse order. Refer to Section 5.2.1
or 5.3.1 for longer housing bolts fitted. Refit actuator as described in Section 3 and recommission
as described in Section 4.
Fig. 6